VHF FM TRANSCEIVER
TK-2102G
SERVICE MANUAL
© 2008-8 PRINTED IN JAPAN
( )
B51-8841-00 N 554
Knob (CH)
(K29-5278-03)
Helical antenna
(T90-1036-15)
Knob (VOL)
(K29-5255-03)
Plastic cabinet assy
(A02-4049-03)
CONTENTS
GENERAL.....................................................2
SYSTEM SET-UP.........................................2
REALIGNMENT ...........................................3
DISASSEMBLY FOR REPAIR ......................5
CIRCUIT DESCRIPTION ..............................6
SEMICONDUCTOR DATA.........................10
COMPONENTS DESCRIPTION.................11
PARTS LIST ...............................................12
EXPLODED VIEW......................................19
PACKING....................................................20
ADJUSTMENT ..........................................21
PC BOARD
TX-RX UNIT (X57-6020-10) .................26
SCHEMATIC DIAGRAM ............................30
BLOCK DIAGRAM .....................................34
LEVEL DIAGRAM ......................................36
OPTIONAL ACCESSORIES
KNB-14 (Ni-Cd BATTERY)....................37
KNB-15A (Ni-Cd BATTERY).................37
KNB-20N (Ni-MH BATTERY) ...............37
SPECIFICATIONS ...................BACK COVER
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TK-2102G
REALIGNMENT
1. Modes
4. PC Mode
4-1. Preface
User mode
The transceiver is programmed by using a personal com-
puter, a programming interface (KPG-22/22A), USB adapter
(KCT-53U) and programming software (KPG-55D (ver.4.00 or
later)).
Data programming mode
PC test mode PC tuning mode
PC mode
The programming software can be used with a PC. Fig-
ure 1 shows the setup of a PC for programming.
Mode
Function
User mode
For normal use.
4-2. Connection Procedure
Used for communication between the trans-
ceiver and PC.
1. Connect the transceiver to the personal computer with
the interface cable and USB adapter (when the interface
cable is KPG-22A, the KCT-53U can be used.).
PC mode
Data programming Used to read and write frequency data and
mode
other features to and from the transceiver.
Notes:
•
Used to check the transceiver using the PC.
This feature is included in the FPU.
PC test mode
You must install the KCT-53U driver in the computer to
use the USB adapter (KCT-53U).
•
When using the USB adapter (KCT-53U) for the first time,
plug the KCT-53U into a USB port on the computer with
the computer power ON.
2. How to Enter Each Mode
Mode
User mode
PC mode
Operation
Power ON
2. When the POWER is switched on, user mode can be en-
tered immediately. When the PC sends a command, the
transceiver enters PC mode.
Received commands from PC
When data is transmitting from the transceiver, the red
LED lights.
3. Getting Acquainted
Channel
When data is received by the transceiver, the green LED
lights.
selector
Antenna
Rotate to select
channels1 ~ 16.
LED indicator
Lights red while
transmitting.
Notes :
•
•
•
The data stored in the personal computer must match
the Model Name when it is written into the EEPROM.
Do not press the [PTT] key during data transmission or
reception.
Change the transceiver to PC mode, then attach the in-
terface cable.
Lights green while
receiving a signal.
Flashes red when
the battery voltage
is low while
Power switch/
Volume control
Turn clockwise
to switch ON the
transceiver. To
switch OFF the
transceiver, turn
counterclockwise
until a click
transmitting.
Speaker
4-3. KPG-22/KPG-22A Description
Microphone
sounds. Rotate
to adjust the
volume level.
(PC programming interface cable : Option)
The KPG-22/22A is required to interface the transceiver
with the computer. It has a circuit in its D-sub connector
(KPG-22: 25-pin, KPG-22A: 9-pin) case that converts the RS-
232C logic level to the TTL level.
PTT (Push-To-
Talk) switch
Press, then
The KPG-22/22A connects the SP/MIC connector of the
transceiver to the RS-232C serial port of the computer.
speak into the
microphone to
call a station.
Release to
4-4. KCT-53U Description (USB adapter : Option)
The KCT-53U is a cable which connects the KPG-22A to
a USB port on a computer.
When using the KCT-53U, install the supplied CD-ROM
(with driver software) in the computer. The KCT-53U driver
runs under Windows 2000 or XP.
Speaker/
microphone
jacks
receive.
Monitor key
Battery pack
(KNB-15A)
Press and hold to
turn the squelch
OFF. You will
hear background
noise. Release
to turn the
squelch back ON.
3
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TK-2102G
REALIGNMENT
4-5. Programming Software Description
4-6. Programming with PC
The KPG-55D (ver.4.00 or later) is the programming
software for the transceiver supplied on a CD-ROM. This
software runs under Windows 2000, XP or Vista (32-bit) on
a PC.
If data is transferred to the transceiver from a PC with
the KPG-55D (ver.4.00 or later), the data for each set can be
modified.
Data can be programmed into the EEPROM in RS-232C
format via the SP/MIC jack.
In this mode the PTT line operate as RXD data line.
KPG-22 or KPG-22A or
KPG-22A+KCT-53U
PC
Illustration is KPG-22
KPG-55D
(ver.4.00 or later)
+
–
+
–
Gray
Gray/Black
1.5D-XV Lead wire
1.5D-XV Shield wire
SP
MIC
Tuning cable
(E30-3216-05)
PC
PC
PC
D-SUB
(25-pin)
D-SUB
(9-pin)
USB
KCT-53U
KPG-22
KPG-22A
KPG-22A
Transceiver
Transceiver
Transceiver
Fig. 1
4
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TK-2102G
DISASSEMBLY FOR REPAIR
Removing the case assembly from the chassis
1. Remove the two knobs q, cushion w and three round
nuts e.
Removing the TX-RX unit from the chassis
■
■
1. Remove the eleven screws u.
2. Remove the VOL/CH FPC from the TX-RX unit connector
(CN400) i.
2. Remove the two screws r.
3. Expand the right and left sides of the bottom of the case
assembly, then Iift and remove the chassis from the case
assembly t.
3. Remove the solder from the antenna terminal using a
soldering iron, then lift the unit off o.
4. Remove the waterproof packing ! and cushion ! from
the antenna connector.
Note: The cushion cannot be reused. Affix a new cush-
ion when you remove the cushion.
5. Remove the two screws ! and remove the antenna con-
nector.
:
:
.
@
Note: When reassembling the unit in the chassis, be
sure to solder the antenna terminal.
;
.
;
.
8
Antenna
terminal
=
>
ꢀ
>
>
ꢀ
ꢀ
>
>
>
>
ꢀ
>
4. Taking care not to cut the speaker lead y, open the
>
chassis and case assembly.
2
CN400
B
Removing the lever
■
1. Press down the lever on the lower case !, insert a small
flat-head screwdriver into the space between the case
and lever, open the case carefully !and lift the lever off.
Note: Do not force to remove the lever from the case.
ꢀ
Lever knob
ꢀ
Case assembly
5
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TK-2102G
CIRCUIT DESCRIPTION
The PLL circuit in the transmitter generates the neces-
sary frequencies. Fig. 1 shows the frequencies.
1. Frequency Configuration
The receiver utilizes double conversion. The first IF is
38.85MHz and the second IF is 450kHz. The first local oscil-
lator signal is supplied from the PLL circuit.
CF
450kHz
ANT
MCF
RF
AMP
AF
AMP
SP
ANT SW
IF SYSTEM
38.4MHz
38.85MHz
X3
multiply
12.8MHz
TCXO
RX
TX
PLL
VCO
MIC
AMP
MIC
PA
AMP
TX
AMP
Fig. 1 Frequency configuration
(L208, L209 and L210). After the signal is amplified (Q203),
the signal is filtered through a band pass filter (L203 and
L214) to eliminate unwanted signals before it is passed to
the first mixer. Band pass filters (L208, L209, L210, L203
and L214) have varactor diodes (D203, D204, D205, D202
and D201).
The voltage of these diodes are controlled by to track the
MPU (IC403) center frequency of the band pass filter. (See
Fig. 2)
2. Receiver
The receiver is double conversion superheterodyne, de-
signed to operate in the frequency range of 150 to 174MHz.
The frequency configuration is shown in Fig. 1.
1) Front-end RF Amplifier
An incoming signal from the antenna is applied to an RF
amplifier (Q203) after passing through a transmit/receive
switch circuit (D102 and D103 are off) and a band pass filter
CF200
ANT
RF AMP
Q203
MIXER
Q202
MCF
XF200
IF AMP
Q201
AF PA AMP
IC302
BPF
BPF
D102, D103
ANT SW
AF AMP
LPF, HPF
IC300
IF, MIX, DET
IC200
SP
TUNE
X3
multiply
Q1
APC
TCXO
WIDE/NARROW SW
Q303
IC403
MPU
1st Local OSC
(PLL)
Fig. 2 Receiver section configuration
through a 450kHz ceramic filter (CF200) to further eliminate
unwanted signals before it is amplified and FM detected in
IC200.
2) First Mixer
The signal from the RF amplifier is heterodyned with the
first local oscillator signal from the PLL frequency synthe-
sizer circuit at the first mixer (Q202) to create a 38.85MHz
first intermediate frequency (1st IF) signal. The first IF signal
is then fed through two monolithic crystal filters (MCFs :
XF200) to further remove spurious signals.
4) AF Amplifier
The recovered AF signal obtained from IC200 is amplified
by IC300 (1/4), filtered by the IC300 low-pass filter (2/4) and
IC300 high-pass filter (3/4) and (4/4), and de-emphasized
by R303 and C306. The AF signal is then passed through a
WIDE/NARROW switch (Q303). The processed AF signal
passes through an AF volume control and is amplified to a
sufficient level to drive a loud speaker by an AF power am-
plifier (IC302).
3) IF Amplifier
The first IF signal is amplified by Q201, and then enters
IC200 (FM processing IC). The signal is heterodyned again
with a second local oscillator signal within IC200 to create
a 450kHz second IF signal. The second IF signal is then fed
6
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TK-2102G
CIRCUIT DESCRIPTION
XF200:L71-0522-05
Item
CF200:L72-0958-05
Rating
Item
Nominal center frequency
6dB band width
Rating
450kHz
Nominal center frequency
Pass band width
40dB stop band width
Ripple
38.850MHz
5.0kHz or more at 3dB
20.0kHz or less
6.0kHz or more
50dB band width
Ripple
12.5kHz or less
1.0dB or less
2.0dB or less at fo 4kHz
6.0dB or less
Insertion loss
4.0dB or less
Insertion loss
Guaranteed attenuation
Terminal impedance
80dB or more at fo -910kHz
Guaranteed attenuation
Terminal impedance
35.0dB or more at fo 100kHz
610 /3PF
2.0k
Ω
Ω
the microprocessor (IC403). IC403 determines whether to
output sounds from the speaker by checking whether the
input voltage is higher or lower than the preset value.
To output sounds from the speaker, IC403 sends a high
signal to the MUTE and AFCO Iines and turns IC302 on
through Q302, Q304, Q305, Q306 and Q307.(See Fig. 3)
5) Squelch
Part of the AF signal from the IC enters the FM IC again,
and the noise component is amplified and rectified by a filter
and an amplifier to produce a DC voltage corresponding to
the noise level.
The DC signal from the FM IC goes to the analog port of
IC200
IC300
FM IF IC
IF AMP
IC302
AF PA AMP
AF AMP
Q302
SW
Q307
SW
DET
LPF
HPF
SP
HPF
AMP
DET
Q304, 305, 306
SW
IC301
LPF
QT/DQT
Q303
W/N SW
IC403
MPU
Fig. 3 AF amplifier and squelch
6) Receive Signaling
3. PLL Frequency Synthesizer
The PLL circuit generates the first local oscillator signal
for reception and the RF signal for transmission.
QT/DQT
300 Hz and higher audio frequencies of the output signal
from IF IC are cut by a low-pass filter (IC301). The resulting
signal enters the microprocessor (IC403). IC403 determines
whether the QT or DQT matches the preset value, and con-
trols the MUTE and AFCO and the speaker output sounds
according to the squelch results.
1) PLL
The frequency step of the PLL circuit is 5 or 6.25kHz.
A 12.8MHz reference oscillator signal is divided at IC1 by
a fixed counter to produce the 5 or 6.25kHz reference fre-
quency. The voltage controlled oscillator (VCO) output signal
is buffer amplified by Q6, then divided in IC1 by a dual-mod-
ule programmable counter . The divided signal is compared
in phase with the 5 or 6.25kHz reference signal in the phase
comparator in IC1. The output signal from the phase com-
parator is filtered through a low-pass filter and passed to the
VCO to control the oscillator frequency. (See Fig.4)
7
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TK-2102G
CIRCUIT DESCRIPTION
D2 in transmit mode and D3 and D4 in receive mode). The
2) VCO
T/R pin is set high in receive mode causing Q5 and Q7 to
turn Q4 off, and turn Q3 on . The T/R pin is set low in trans-
mit mode. The outputs from Q3 and Q4 are amplified by Q6
and sent to the buffer amplifiers.
The operating frequency is generated by Q4 in transmit
mode and Q3 in receive mode. The oscillator frequency is
controlled by applying the VCO control voltage, obtained
from the phase comparator, to the varactor diodes (D1 and
PLL IC IC1
Q4
TX VCO
D1, 2
Q2
RF AMP
5kHz/6.25kHz
I/N
LPF
Q6
BUFF AMP
PLL DATA
PHASE
COMPARATOR
CHARGE
PUMP
REF OSC
Q3
RX VCO
D3, 4
Q5, 7
T/R SW
I/M
5kHz/6.25kHz
12.8MHz
Fig. 4 PLL circuit
5C
3) Unlock Detector
If a pulse signal appears at the LD pin of IC1, an unlock
condition occurs, and the DC voltage obtained from D7, R1,
and C1 causes the voltage applied to the UL pin of the mi-
croprocessor to go low. When the microprocessor detects
this condition, the transmitter is disabled, ignoring the push-
to-talk switch input signal. (See Fig.5)
R1
IC1
IC403
D7
LD
UL
C1
PLL IC
MPU
Fig. 5 Unlock detector circuit
4. Transmitter
1) Transmit Audio
2) QT/DQT Encoder
The modulation signal from the microphone is amplified
by IC500 (1/2), passes through a pre-emphasis circuit, and
amplified by the other IC500 (1/2) to perform IDC operation.
The signal then passes through a low-pass filter (splatter
fiIter) (Q501 and Q502) and cuts 3kHz and higher frequen-
cies. The resulting signal goes to the VCO through the VCO
modulation terminal for direct FM modulation. (See Fig. 6)
A necessary signal for QT/DQT encoding is generated by
IC403 and FM-modulated to the PLL reference signal. Since
the reference OSC does not modulate the loop characteris-
tic frequency or higher, modulation is performed at the VCO
side by adjusting the balance. (See Fig. 6)
Q501, 502
LPF
(SPLATTER FILTER)
VR501
MAX
DEV
IC500 (1/2)
IC500 (1/2)
IDC
MIC
AMP
PRE-EMPHASIS
D5, Q4
VCO
MIC
Q503
SW
VR500
BALANCE
IC403
X1, IC1
QT/DQT
REFERENCE
OSC
TO
(TCXO)
MUTE
Fig. 6 Transmit audio and QT/DQT encoder
8
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TK-2102G
CIRCUIT DESCRIPTION
3) VCO and RF Amplifier
4) ANT Switch and LPF
The transmit signal obtained from the VCO buffer am-
plifier Q100, is amplified by Q101. This amplified signal is
passed to the power amplifier, Q102 and Q105, which con-
sists of a 2-stage FET amplifier and is capable of producing
up to 5W of RF power. (See Fig.7)
The RF amplifier output signal is passed through a low-
pass filter network and a transmit/receive switching circuit
before it is passed to the antenna terminal. The transmit/
receive switching circuit is comprised of D101, D102, D103
and D104. D102 and D103 turned on (conductive) in trans-
mit mode and off (isolated) in receive mode.
ANT
DRIVE AMP
Q102
AMP
Q101
ANT SW
D101,104
LPF
FINAL AMP
Q105
5T
APC
Q109
DET
SW
IC100
Q103,104
B SW
ANT SW
D102,103
B
Q106
SW
5T
APC
RX
Q108
SW
TH100
5T
5T
SW
Q107
Fig. 7 APC system
5) APC
5. Power Supply
The automatic power control (APC) circuit stabilizes the
transmitter output power at a predetermined level by sens-
ing the drain current of the final amplifier Field Effect Tran-
sistor (FET) . The voltage comparator, IC100 (2/2), compares
the voltage obtained from the above drain current with a
reference voltage which is set using the microprocessor.
An APC voltage proportional to the difference between the
sensed voltage and the reference voltage appears at the
output of IC100 (1/2). This output voltage controls the gate
of the FET power amplifier, which keeps the transmitter
output power constant. The transmitter output power can
be varied by the microprocessor which in turn changes the
reference voltage and hence, the output power.
A 5V reference power supply [5M] for the control circuit
is derived from an internal battery. This reference is used
to provide a 5V supply in transmit mode [5T], a 5V supply in
receive mode [5R], and a 5V supply common in both modes
[5C] based on the control signal sent from the microproces-
sor.
6. Control System
The IC403 MPU operates at 7.37MHz . This oscillator has
a circuit that shifts the frequency according to the EEPROM
data.
6) Thermal Protection Circuit
When the thermistor (TH100) reaches about 80˚C, the
protection circuit turns on Q107 to protect transmitting final
amplifier (Q105) from the over heating.
9
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TK-2102G
SEMICONDUCTOR DATA
Microprocessor: 38268MCA060GU (TX-RX unit IC403)
Pin No. Port Name I/O
Function
Variable capacity tune control
NC
Pin No. Port Name I/O
Function
1,2
3
VC1,VC2
NC
O
I
Control of power supply (5M) for
everything except the
microprocessor and EEPROM
L : Power supply ON
61
5MC
O
QT/DQT external circuit center point
input
4
TIBI
I
62
63
64
65
66
AFCO
RX
O
O
O
O
O
AF amp power suppIy H : ON
TX/RX VCO select H : RX
Green LED control H : Lit
Red LED control H : Lit
5
6
7
8
9
TI
I
I
QT/DQT signal input
Busy input
BUSY
BATT
NC
GLED
RLED
SAVE
l
Battery voltage detection
NC
l
Save control H : Save off
VCCN
O
Frequency regulation output
Mute control
67
68
69
MUTE
5RC
O
O
O
TX : Auto power control D/A output
RX : BPF tuning D/A output
H : MIC mute, L : AF mute
10
APC
O
Reception power suppIy control
L : on
11~14 NC
I
O
O
l
NC
15
16
17
18
BEEP
Beep output
Transmission power suppIy control
H : on
5TC
TO
QT/DQT output
70~88 NC
O
l
NC
NC
PTT
NC
89
90
VCC
Microprocessor power supply, 5V input
I
[PTT] key input connected to RXD
A/D conversion reference voltage ;
connected to Vcc
RS-232C output connected to SP/
MIC test (REM)
VREF
AVSS
l
l
19
20
TXD
RXD
O
I
A/D converter power supply ; con-
nected to Vss
RS-232C input connected to [PTT]
line
91
92~95 NC
96~100 NC
O
I
NC
NC
21
22
23
NC
l
l
NC
SELF
MONl
Self program L : disable
I
I
[MONl] key input
NC
24~27 NC
FET : 2SK2596-E (Q102)
28~31 ENC3~ENC0
l
Encode input (channel select)
Power detection control
Reset input
Absolute Maximum Ratings (Ta=25°C)
32
33
34
35
36
37
38
39
40
41
42
INT0
RST
l
Item
VDSS
VGSS
ID
Pch*
3W
Tch
Tstg
I
Rating 17V
10V 0.4A
150°C -45~+150°C
NC
I
NC
*Tc=25°C
NC
O
l
NC
XIN
7.3728MHz oscillator
7.3728MHz oscillator
GND
XOUT
VSS
O
I
FET : 2SK2595-E (Q105)
Absolute Maximum Ratings (Ta=25°C)
SHIFT
PABC
WNRC
WNTC
O
O
O
O
l
Beat shift H : shift on
Final supply H : on
Audio reference sensitivity L : narrow
MAX Dev. control Narrow: H
NC
Item
VDSS
VGSS
ID
Pch*
20W
Tch
Tstg
Rating 17V
10V 1.1A
150°C -45~+150°C
*Tc=25°C
43~46 NC
47
48
49
SDA
l/O EEPROM data line
SCL
UL
O
I
EEPROM clock line
PLL unlock detection pin L : unlock
50~54 NC
l
NC
55
56
57
58
DT
CK
NC
LE
O
O
O
O
O
Common data output
Common clock output
NC
PLL IC enable H : latches
NC
59,60 NC
10
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TK-2102G
COMPONENTS DESCRIPTION
TX-RX unit (X57-6020-10)
Ref. No.
Part Name
Description
Phase locked loop system
Automatic power control
IF system
Ref. No.
Q503
Part Name
Transistor
Description
MIC mute/ AGC
DC switch
IC1
IC
IC
IC
IC
IC
IC
IC
IC
IC
IC
IC
IC
IC100
IC200
IC300
IC301
IC302
IC400
IC401
IC402
IC403
IC404
IC500
Q1
Q504
Transistor
Variable capacitance
diode
D1~4
D5
Frequency control
TX modulation
Audio amp active filter
Active filter
Variable capacitance
diode
Audio power AMP
Reset switch
EEPROM
D6
Diode
Diode
Diode
Current steering
Unlock detect
RF switch
D7
D100
Voltage detect
Microprocessor
Voltage regulator
MIC AMP/Limiter
Tripler
D101~104 Diode
Antenna switch
RF switch
D200
Diode
Variable capacitance
diode
D201~205
BPF tuning
D300
D400
D401
D500
D501
D502
D505
Diode
LED
Limiter
Transistor
Transistor
FET
TX
Q2
RF AMP
LED
Busy
Q3
VCO RX
Diode
Diode
Diode
Zener diode
AGC detect
MIC mute/AGC switch
Reverse protection
APC voltage limiter
Q4
FET
VCO TX
Q5
FET
DC switch
Q6
Transistor
Transistor
Transistor
Transistor
Transistor
FET
RF buffer AMP
DC switch
Q7
Q8
Ripple filter
Q100
Q101
Q102
Q103
Q104
Q105
Q106
RF AMP
TX pre-drive
TX drive
FET
DC switch
Transistor
FET
DC switch
TX final
FET
DC switch
Temperature protection
switch
Q107
Transistor
Q108,109 Transistor
DC switch
Q200
Q201
Q202
Q203
Q300
Q302
Transistor
Transistor
FET
DC switch
IF AMP
Mixer
FET
Mixer RF AMP
Active filter
Audio mute switch
DC switch
Transistor
FET
Q303~306 Transistor
Q307 FET
Q400~402 Transistor
Audio mute switch
DC switch
Q403
Q404
Q405
Transistor
Transistor
FET
Beat shift switch
DC switch
DC switch
Q406~408 Transistor
Q500 FET
Q501,502 Transistor
DC switch
DC switch
Active filter
11
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TK-2102G
PARTS LIST
#!0!#)4/23
C C 4 5 T H 1 H 2 2 0
J
s #APACITOR VALUE
010 = 1pF
CC45
Color*
1
2
3
4
5
6
2
L
2
0 = 22pF
Multiplier
1 = Type ... ceramic, electrolytic, etc.
2 = Shape ... round, square, etc.
3 = Temp. coefficient
4 = Voltage rating
5 = Value
100 = 10pF
101 = 100pF
6 = Tolerance
102 = 1000pF = 0.001μF
103 = 0.01μF
2nd number
1st number
s 4EMPERATURE COEFFICIENT
1st Word
Color*
C
L
P
R
S
T
U
2nd Word
G
H
J
K
Black Red Orange Yellow Green Blue Violet
–80 –150 –220 –330 –470 –750
ppm/°C
±30
±60
±120 ±250 ±500
ppm/°C
0
Example : CC45TH = –470±60ppm/°C
s 4OLERANCE ꢀ-ORE THAN ꢁꢂP&
Code
ꢀ,ESS THAN ꢁꢂP&
Code
(pF) ±0.1 ±0.25 ±0.5 ±1
C
D
G
J
K
M
X
Z
P
No code
±5 ±10 ±20 +40 +80 +100 More than 10μF : –10~+50
–20 –20 –0 Less than 4.7μF : –10~+75
B
C
D
F
G
(%) ±0.25 ±0.5 ±2
±2
s 6OLTAGE RATING
2nd word
1st word
A
B
C
D
E
F
G
H
J
K
V
0
1
2
3
1.0 1.25 1.6 2.0 2.5 3.15 4.0 5.0 6.3 8.0
10 12.5 16 20 25 31.5 40 50 63 80
–
35
–
100 125 160 200 250 315 400 500 630 800
1000 1250 1600 2000 2500 2150 4000 5000 6300 8000
–
s #HIP CAPACITORS
s $IMENSION
(EX) C C 7 3
F
3
S L 1 H 0 0 0
J
Refer to the table above.
1 = Type
L
1
2
4
5
6
7
T
(Chip) (CH, RH, UJ, SL)
2 = Shape
3 = Dimension
4 = Temp. coefficient
5 = Voltage rating
6 = Value
(EX) C K 7 3
F
3
F
4
1 H 0 0 0
Z
7
W
1
2
5
6
(Chip) (B, F)
Chip capacitor
7 = Tolerance
Code
L
W
T
Empty
5.6±0.5
4.5±0.5
4.5±0.5
5.0±0.5
3.2±0.4
2.0±0.3
Less than 2.0
Less than 2.0
Less than 2.0
A
2%3)34/23
s #HIP RESISTOR ꢀ#ARBON
B
C
4.5±0.5 1.25±0.2 Less than 1.25
(EX) R D 7 3
E
3
B
4
2 B 0 0 0
J
D
3.2±0.4
2.5±0.3
Less than 1.5
1
2
5
6
7
E
3.2±0.2
1.6±0.2 Less than 1.25
(Chip) (B, F)
F
2.0±0.3 1.25±0.2 Less than 1.25
G
1.6±0.2
0.8±0.2
Less than 1.0
s #ARBON RESISTOR ꢀ.ORMAL TYPE
H
1.0±0.05 0.5±0.05
0.5±0.05
(EX) R D 1 4
B
3
B
4
2 C 0 0 0
J
Chip resistor
1
2
5
6
7
Code
L
W
T
1.0
E
F
3.2±0.2
1.6±0.2
1 = Type
5 = Rating wattage
6 = Value
2.0±0.3 1.25±0.2
1.6±0.2 0.8±0.2
1.0±0.05 0.5±0.05
1.0
2 = Shape
G
H
0.5±0.1
0.35±0.05
3 = Dimension
4 = Temp. coefficient
7 = Tolerance
s 2ATING WATTAGE
Code Wattage Code Wattage Code Wattage
1J
2A
2B
1/16W
1/10W
1/8W
2C
2E
2H
1/6W
1/4W
1/2W
3A
3D
1W
2W
12
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TK-2102G
PARTS LIST
✽ New Parts. indicates safety critical components.
Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.
L : Scandinavia
K : USA
P : Canada
Y : PX (Far East, Hawaii)
Y : AAFES (Europe)
T : England
X : Australia
E : Europe
M : Other Areas
TK-2102G (Y50-6410-XX)
TX-RX UNIT (X57-6020-10)
New
Desti-
nation
New
Ref. No. Address
parts
Desti-
Ref. No. Address
Parts No.
Description
Parts No.
Description
nation
parts
59
60
1C
2C
✽
W08-0598-15
W09-0940-25
CHARGER
BATTERY ASSY
ACCESSORY
ACCESSORY
TK-2102G
1
2
1A
3B
✽
A02-4049-03
A82-0034-03
PLASTIC CABINET ASSY
REAR PANEL
4
5
2D
1D
B09-0351-03
B62-2103-00
CAP (SP/MIC)
INSTRUCTION MANUAL
ACCESSORY
✽
TX-RX UNIT (X57-6020-10)
7
8
2B
3B
E04-0449-05
E23-1183-04
RF COAXIAL RECEPTACLE(SMA)
RELAY TERMINAL (BATT-)
D400
D401
B30-2156-05
B30-2157-05
LED (RED)
LED (YELLOW)
9
1A
3B
-
3B
1B
G01-0881-04
G10-1288-04
G11-2583-04
G11-2588-14
G11-4478-04
COIL SPRING (BATT RELEASE)
FIBROUS SHEET (CHASSIS)
SHEET (HOLDER)
RUBBER SHEET (CHASSIS)
SHEET (CH)
C1
C2,3
C4
C5
C6
CK73GB1C104K
CC73GCH1H101J
CK73GB1C104K
CS77AA0J4R7M
CC73GCH1H101J
CHIP C
CHIP C
CHIP C
CHIP TNTL 4.7UF
CHIP C
0.10UF
100PF
0.10UF
K
J
K
10
11
12
13
✽
✽
6.3WV
J
100PF
15
16
17
18
19
3B
3B
3B
2B
2A
G13-1709-04
G13-1763-04
G13-1867-14
G13-1959-04
G13-1985-04
CUSHION(VOL)
C7
C8
C9
C10
C12
CK73GB1H102K
CK73FB1C224K
CC73GCH1H130J
CC73GCH1H470J
CK73FB1C224K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
0.22UF
13PF
47PF
0.22UF
K
K
J
J
K
CUSHION (TERMINAL BATT+)
CUSHION (TERMINAL BATT-)
CUSHION (RECEPTACLE)
CUSHION (X400)
21
22
23
24
25
2B
3B
2B
2A
2B
G13-1986-04
G13-2069-24
G53-0791-03
G53-0842-13
G53-0860-04
CUSHION (VR501)
CUSHION (HOLDER)
PACKING (SP/MIC)
PACKING (SP)
C14
C15
C16
C17
C18
CC73GCH1H130J
CS77AA1A6R8M
CC73GCH1H680J
CK73GB1H331K
CS77AA1DR68M
CHIP C
CHIP TNTL 6.8UF
CHIP C
CHIP C
CHIP TNTL 0.68UF
13PF
J
10WV
J
K
68PF
330PF
PACKING (CHASSIS)
20WV
27
2B
G53-1528-04
PACKING (SMA)
C19,20
C23
C24
C25
C26
CK73GB1H103K
CS77AA0J100M
CK73GB1H681K
CK73GB1H471K
CC73GCH1H121J
CHIP C
CHIP TNTL 10UF
CHIP C
CHIP C
CHIP C
0.010UF
K
6.3WV
30
31
1D
2D
H25-0085-04
H25-2012-04
PROTECTION BAG (100/200/0.07)
PROTECTION BAG (75/100/0.08)
680PF
470PF
120PF
K
K
J
33
34
35
36
37
1A
2B
2D
2D
1B
J19-1572-04
J19-5344-13
J21-4493-04
J29-0734-05
J69-0345-04
HOLDER (BATT RELEASE)
HOLDER (VOL/CH)
C27
C28
C29-31
C32
C33
CK73GB1H102K
CC73GCH1H330J
CK73GB1H102K
CC73GCH1H101J
CC73GCH1H390J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
33PF
1000PF
100PF
39PF
K
J
K
J
J
SP/MIC HOLDER
BELT CLIP
ACCESSORY
ACCESSORY
RING (VOL,CH)
39
2B
J82-0059-15
FPC
C34
C35
C36
C37
C38
CC73GCH1HR75B
CC73GCH1H060D
CC73GCH1H180J
CC73GCH1H050B
CC73GCH1H180J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.75PF
6.0PF
18PF
5.0PF
18PF
B
D
J
B
J
41
42
43
44
45
1B
1A
1A
1B
1A
K29-5255-03
K29-5274-03
K29-5275-23
K29-5278-03
K29-5337-03
KNOB (VOL)
BUTTON KNOB (MONI)
BUTTON KNOB (PTT)
KNOB (CH)
LEVER KNOB (BATT RELEASE)
C39
C40,41
C42
C43,44
C45,46
CK73GB1H103K
CK73GB1H102K
CK73GB1H103K
CC73GCH1H0R5B
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.010UF
1000PF
0.010UF
0.5PF
K
K
K
B
K
A
B
C
D
E
2B
1B
1B
3A
3B
N09-2438-05
N14-0581-44
N14-0804-24
N30-2606-48
N79-2030-48
BINDING HEAD SCREW (SMA)
CIRCULAR NUT (VOL,CH)
CIRCULAR NUT (SMA)
PAN HEAD MACHINE SCREW
PAN HEAD TAPTITE SCREW
✽
✽
1000PF
C47
C48
C49
C50
C51
CC73GCH1H330J
CC73GCH1H100D
CK73GB1H102K
CS77AA0J4R7M
CC73GCH1H680J
CHIP C
CHIP C
CHIP C
CHIP TNTL 4.7UF
CHIP C
33PF
10PF
1000PF
J
D
K
F
47
2A,2B
2D
N83-2005-48
N99-0396-15
PAN HEAD TAPTITE SCREW
SCREW SET
ACCESSORY
6.3WV
J
49
51
2B
2B
R31-0647-05
S60-0424-25
VARIABLE RESISTOR
ROTARY SWITCH
68PF
C100
C101,102
C103
C104-107
C108
CC73GCH1H150J
CK73GB1H102K
CC73GCH1H220J
CK73GB1H102K
CC73GCH1H120J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
15PF
1000PF
22PF
1000PF
12PF
J
K
J
K
J
53
54
1A
2D
T07-0369-15
T90-1036-15
SPEAKER
HELICAL ANTENNA ACCESSORY
56
58
1C
1C
✽
W08-0479-25
W08-0558-35
AC ADAPTER (AC 120V) ACCESSORY
AC ADAPTER (AC 230V) ACCESSORY
K
M
C109
CK73GB1H102K
CHIP C
1000PF
K
13
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TK-2102G
PARTS LIST
TX-RX UNIT (X57-6020-10)
New
Desti-
New
parts
Desti-
nation
Ref. No. Address
Parts No.
Description
Ref. No. Address
nation
Parts No.
Description
parts
C110
C111,112
C113
C114-116
C118-120
CK73GB1C104K
CK73GB1H102K
CC73GCH1H200J
CK73GB1H102K
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.10UF
1000PF
20PF
1000PF
1000PF
K
K
J
K
K
C241
C243
C245,246
C247
C248
CC73GCH1H040B
CC73GCH1H020C
CK73GB1H102K
CC73GCH1H200J
CC73GCH1H080D
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
4.0PF
2.0PF
1000PF
20PF
B
C
K
J
8.0PF
D
C121
C123
C124
C125
C126
CK73EB1C105K
CK73GB1H103K
CK73GB1H102K
CK73GB1C104K
CC73GCH1H560J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1.0UF
K
K
K
K
J
C249-251
C252
C253
C254
C255
CK73GB1H102K
CC73HCH1H180J
CK73HB1H102K
CC73GCH1H1R5C
CC73GCH1H160J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
18PF
1000PF
1.5PF
16PF
K
J
K
C
J
0.010UF
1000PF
0.10UF
56PF
C127
C128
C129
C130,131
C132
CS77AA1A6R8M
CC73GCH1H150G
CC73GCH1H100C
CK73GB1H102K
CK73GB1H471K
CHIP TNTL 6.8UF
10WV
C256
C257
C259
C260
C261
CK73GB1H102K
CC73GCH1H1R5C
CC73GCH1H200J
CK73GB1H102K
CC73GCH1H150J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
1.5PF
20PF
1000PF
15PF
K
C
J
K
J
CHIP C
CHIP C
CHIP C
CHIP C
15PF
10PF
1000PF
470PF
G
C
K
K
C133
C134
C135
C136
C137
CK73GB1H102K
CC73GCH1H101J
CC73GCH1H270J
CC73GCH1H390J
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
100PF
27PF
39PF
1000PF
K
J
J
J
K
C262-264
C266
C267
C300
C301
CK73HB1H102K
CK73HB1A104K
CK73GB1C104K
CK73GB1H822K
CK73GB1E183K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
0.10UF
0.10UF
8200PF
0.018UF
K
K
K
K
K
C138
C139
C140
C141
C142
CC73GCH1H100D
CK73GB1H102K
CC73GCH1H100D
CK73GB1H471K
CC73GCH1H220J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
10PF
1000PF
10PF
470PF
22PF
D
K
D
K
J
C302,303
C304
C305
C306
C307
CK73GB1C104K
CS77AA0J100M
CK73GB1H103J
CK73GB1C473K
CS77AA0J100M
CHIP C
CHIP TNTL 10UF
CHIP C
CHIP C
CHIP TNTL 10UF
0.10UF
K
6.3WV
J
K
0.010UF
0.047UF
6.3WV
C143
C144
C146
C147
C200
CC73GCH1H080D
CC73GCH1H090D
CC73GCH1H200J
CC73GCH1H100D
CS77AA0J100M
CHIP C
CHIP C
CHIP C
CHIP C
8.0PF
9.0PF
20PF
10PF
D
D
J
D
C308
C309
C311
C312
C313
CK73GB1H562K
CK73GB1H103J
CS77AA0J100M
CK73GB1H103J
CK73FB1A105K
CHIP C
CHIP C
CHIP TNTL 10UF
CHIP C
CHIP C
5600PF
0.010UF
K
J
6.3WV
J
K
0.010UF
1.0UF
CHIP TNTL 10UF
6.3WV
C201
C202
C203
C204
CK73GB1H103K
CC73GCH1H270J
CK73GB1H471K
CK73GB1H472K
CC73GCH1H391J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.010UF
27PF
470PF
4700PF
390PF
K
J
K
K
J
C314
C316
C318
C319
CK73GB1H102K
CK73GB1H103J
CK73GB1C333K
CK73GB1C473K
CK73GB1C333J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
1000PF
K
J
K
K
J
0.010UF
0.033UF
0.047UF
0.033UF
C205,206
C320,321
C207
C208
C209
C210
C211
CK73GB1C104K
CC73GCH1H270J
CK73GB1C104K
CK73GB1H103K
CK73GB1C104K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.10UF
27PF
0.10UF
0.010UF
0.10UF
K
J
K
K
K
C322
C327
C330
C331
C332
CK73FB1E104K
CK73GB1C104K
CC73GCH1H101J
CK73FB1C474K
CS77AA0J100M
CHIP C
CHIP C
CHIP C
CHIP C
0.10UF
0.10UF
100PF
K
K
J
K
0.47UF
CHIP TNTL 10UF
6.3WV
C212
C213
C214
C215
C216
CC73GCH1H150J
CK73GB1C104K
CK73GB1H103K
CC73GCH1H100D
CC73GCH1H020C
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
15PF
J
C333
C334
C335
C336
C337
CK73GB1A474K
CC73GCH1H221J
CK73GB1C473K
CK73GB1H103K
CS77CC0J101M
CHIP C
CHIP C
CHIP C
CHIP C
0.47UF
220PF
0.047UF
0.010UF
K
J
K
K
0.10UF
0.010UF
10PF
K
K
D
C
2.0PF
CHIP TNTL 100UF
6.3WV
C217
C218
C219
C220
C221
CK73GB1H103K
CK73GB1H102K
CC73GCH1H100C
CK73HB1H102K
CK73GB1H103K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.010UF
1000PF
10PF
1000PF
0.010UF
K
K
C
K
K
C338
C400
C402-404
C406,407
C408
CC73GCH1H560J
CK73GB1C104K
CK73GB1H102K
CK73GB1H102K
CS77AA0J100M
CHIP C
CHIP C
CHIP C
CHIP C
56PF
J
K
K
K
0.10UF
1000PF
1000PF
CHIP TNTL 10UF
6.3WV
C222
C223
C224,225
C233
C234
CC73HCH1H050B
CC73GCH1H020C
CK73GB1C104K
CC73HCH1H080B
CC73HCH1H300J
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
5.0PF
2.0PF
0.10UF
8.0PF
30PF
B
C
K
B
J
C409
C410
C411
C412
CC73GCH1H030C
CK73GB1H102K
CK73GB1H471K
CC73GCH1H100D
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
3.0PF
C
K
K
D
K
1000PF
470PF
10PF
C413,414
1000PF
C235
C236
C237
C238
C239
CK73GB1C104K
CK73HB1H102K
CC73GCH1H060B
CC73GCH1H200J
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.10UF
1000PF
6.0PF
20PF
1000PF
K
K
B
J
C415
C416
C417
C418
CC73GCH1H100D
CK73GB1H102K
CK73EF1C105Z
CK73GB1H103K
CK73GB1H103K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
10PF
1000PF
1.0UF
0.010UF
0.010UF
D
K
Z
K
K
K
C420,421
14
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TK-2102G
PARTS LIST
TX-RX UNIT (X57-6020-10)
New
parts
Desti-
New
parts
Desti-
Ref. No. Address
Parts No.
Description
Ref. No. Address
Parts No.
L40-6891-86
L33-0744-05
L33-0745-05
L40-1085-92
L40-4775-92
Description
nation
nation
C422
C423
C424
C425
C427
CK73HB1E103K
CK73GB1H102K
CK73FB1A105K
CK73HB1E103K
CK73GB1H102K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
0.010UF
1000PF
1.0UF
0.010UF
1000PF
K
K
K
K
K
L8,9
L10
L11
L12
L13
SMALL FIXED INDUCTOR (6.8UH)
SMALL FIXED INDUCTOR
SMALL FIXED INDUCTOR
SMALL FIXED INDUCTOR (100NH)
SMALL FIXED INDUCTOR (47NH)
C429,430
C500,501
C502
C503
C504
CK73FB1A105K
CK73GB1C273K
CK73GB1H392K
CK73GB1C333K
CS77AA0J4R7M
CHIP C
CHIP C
CHIP C
CHIP C
1.0UF
K
K
K
K
L14
L15
L16,17
L100
L101
L92-0140-05
L40-6891-86
L40-2285-38
L40-8275-92
L40-6875-92
CHIP FERRITE
0.027UF
3900PF
0.033UF
SMALL FIXED INDUCTOR (6.8UH)
SMALL FIXED INDUCTOR (220NH)
SMALL FIXED INDUCTOR (82NH)
SMALL FIXED INDUCTOR (68NH)
CHIP TNTL 4.7UF
6.3WV
C505
C506
C507
C508
C509
CK73FB1A105K
CK73GB1H471K
CS77CP0G2R2M
CK73GB1H103K
CK73GB1H332K
CHIP C
CHIP C
CHIP TNTL 2.2UF
CHIP C
CHIP C
1.0UF
470PF
K
K
4WV
K
K
L102
L103
L104
L105
L107
L92-0140-05
L40-2775-92
L41-1098-40
L92-0149-05
L40-3375-54
CHIP FERRITE
SMALL FIXED INDUCTOR (27NH)
SMALL FIXED INDUCTOR (1000NH)
CHIP FERRITE
0.010UF
3300PF
SMALL FIXED INDUCTOR (33NH)
C510
C511
C512
C513
C514
CC73GCH1E821J
CK73GB1C473K
CK73GB1H332K
CC73GCH1E681J
CK73GB1C473K
CHIP C
CHIP C
CHIP C
CHIP C
CHIP C
820PF
J
K
K
J
K
L108
L109
L110
L111
L112
L34-4548-05
L92-0149-05
L34-4594-05
L34-4547-05
L41-2295-39
AIR-CORE COIL
CHIP FERRITE
AIR-CORE COIL
AIR-CORE COIL
0.047UF
3300PF
680PF
0.047UF
SMALL FIXED INDUCTOR (2.2UH)
C515
C516
C517
C518
C519
CK73GB1H103K
CC73GCH1H100D
CK73GB1H102K
CK73GB1E223J
CS77AA0J4R7M
CHIP C
CHIP C
CHIP C
CHIP C
0.010UF
10PF
1000PF
0.022UF
K
D
K
J
L113
L114
L115
L117
L118
L34-4550-05
L34-4548-05
L34-4549-05
L34-4548-05
L41-1092-44
AIR-CORE COIL
AIR-CORE COIL
AIR-CORE COIL
AIR-CORE COIL
CHIP TNTL 4.7UF
6.3WV
SMALL FIXED INDUCTOR (1UH)
C520
C521
C522
C523
C524
CK73GB1E223J
CK73GB1H102K
CK73FB1E104K
CS77CP0G2R2M
CK73GB1C273K
CHIP C
CHIP C
CHIP C
CHIP TNTL 2.2UF
CHIP C
0.022UF
1000PF
0.10UF
J
K
K
4WV
K
L200
L201
L202
L203
L204
L41-5685-39
L41-8285-39
L40-1285-38
L41-5678-03
L41-7588-40
SMALL FIXED INDUCTOR (0.56UH)
SMALL FIXED INDUCTOR (0.82UH)
SMALL FIXED INDUCTOR (120NH)
SMALL FIXED INDUCTOR (56NH)
SMALL FIXED INDUCTOR (750NH)
✽
✽
0.027UF
C525
C526
C527
C528
C529
CK73GB1C104K
CK73GB1H471K
CS77AA0J100M
CK73GB1H102K
CK73FB1H102K
CHIP C
CHIP C
CHIP TNTL 10UF
CHIP C
CHIP C
0.10UF
470PF
K
K
L208,209
L210
L211
L212
L212
L41-5678-03
L41-4778-03
L40-3375-92
L34-4554-05
L34-4850-15
SMALL FIXED INDUCTOR (56NH)
SMALL FIXED INDUCTOR (47NH)
SMALL FIXED INDUCTOR (33NH)
COIL
✽
✽
6.3WV
K
K
1000PF
1000PF
COIL
C530
C531
C532
C533
CC73HCH1H221J
CC73GCH1H221J
CK73GB1H471K
CK73GB1C104K
CHIP C
CHIP C
CHIP C
CHIP C
220PF
220PF
470PF
0.10UF
J
J
K
K
L214
L215
L400
L401
L41-5678-03
L41-5685-39
L40-2281-86
L92-0140-05
L40-2281-86
SMALL FIXED INDUCTOR (56NH)
SMALL FIXED INDUCTOR (0.56UH)
SMALL FIXED INDUCTOR (0.22UH)
CHIP FERRITE
L402,403
SMALL FIXED INDUCTOR (0.22UH)
TC1
TC2
TC201
C05-0384-05
C05-0383-05
C05-0371-05
CERAMIC TRIMMER CAPACITOR (10PF)
CERAMIC TRIMMER CAPACITOR (6PF)
CERAMIC TRIMMER CAPACITOR (10PF)
L500
L501,502
X1
X400
XF200
L92-0140-05
L92-0149-05
L77-1877-15
L77-1761-15
L71-0522-05
CHIP FERRITE
CHIP FERRITE
TCXO
CRYSTAL RESONATOR (7.3728MHZ)
MCF (38.85MHZ)
101
2B
✽
E23-1182-04
E40-5998-15
E11-0703-05
F53-0130-05
F53-0392-05
RELAY TERMINAL (BATT+)
PIN ASSY
PHONE JACK (2.5/3.5)
FUSE (3A)
✽
✽
CN400
J500
F500
F500
106
2B
N78-2640-48
PAN HEAD TAPTITE SCREW
FUSE (3A)
CP1
R1
R2
R3
R4
RK75GB1J102J
RK73GB2A154J
RK73GB2A102J
RK73GB2A100J
RK73GB2A472J
CHIP-COM 1.0K
J
J
J
J
J
1/16W
1/10W
1/10W
1/10W
1/10W
102
103
2B
2B
G13-1867-14
G53-0862-04
CUSHION (TERMINAL BATT+)
PACKING (TERMINAL BATT+)
CHIP R
CHIP R
CHIP R
CHIP R
150K
1.0K
10
104
105
2B
2B
J19-1571-04
J30-1249-04
HOLDER (TERMINAL BATT+)
SPACER (TERMINAL BATT+)
4.7K
R5
R6
R7
R8
R9
RK73GB2A000J
RK73GB2A102J
RK73GB2A000J
RK73GB2A334J
RK73GB2A681J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
1.0K
0.0
330K
680
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
CF200
L1
L2
L4
L5
L72-0958-05
L92-0140-05
L41-8295-39
L40-4781-86
L40-5681-86
CERAMIC FILTER
CHIP FERRITE
SMALL FIXED INDUCTOR (8.2UH)
SMALL FIXED INDUCTOR (0.47UH)
SMALL FIXED INDUCTOR (0.56UH)
✽
R10
R11
R12
RK73GB2A151J
RK73GB2A473J
RK73GB2A274J
CHIP R
CHIP R
CHIP R
150
47K
270K
J
J
J
1/10W
1/10W
1/10W
L6
L7
L40-6891-86
L92-0140-05
SMALL FIXED INDUCTOR (6.8UH)
CHIP FERRITE
15
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TK-2102G
PARTS LIST
TX-RX UNIT (X57-6020-10)
New
Desti-
New
parts
Desti-
nation
Ref. No. Address
Parts No.
Description
Ref. No. Address
nation
Parts No.
Description
parts
R13
RK73GB2A151J
RK73GB2A101J
RK73GB2A103J
RK73GB2A683J
RK73GB2A104J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
150
100
10K
68K
100K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R212
R213
R214
R215
R216
RK73GB2A330J
RK73GB2A000J
RK73GB2A103J
RK73GB2A271J
RK73HB1J104J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
33
0.0
10K
270
100K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/16W
R14
R15
R16
R17
R18
R19
R20
R21
R22
RK73GB2A271J
RK73GB2A473J
RK73GB2A102J
RK73GB2A104J
RK73GB2A271J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
270
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R217
R220
R222
R223
R225
RK73HB1J000J
RK73GB2A561J
RK73GB2A000J
RK73HB1J101J
RK73GB2A102J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
560
0.0
100
1.0K
J
J
J
J
J
1/16W
1/10W
1/10W
1/16W
1/10W
47K
1.0K
100K
270
R23
R24
R25
R26
R27
RK73GB2A124J
RK73GB2A104J
RK73GB2A681J
RK73GB2A472J
RK73GB2A102J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
120K
100K
680
4.7K
1.0K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R226
R228
R229
R230
R231
RK73GB2A104J
RK73GB2A470J
RK73GB2A471J
RK73GB2A104J
RK73GB2A151J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
100K
47
470
100K
150
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R28 ,29
R100
R101
R102
R103
RK73GB2A000J
RK73GB2A332J
RK73GB2A103J
RK73GB2A221J
RK73GB2A102J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R232
R233
R237
R238,239
R240
RK73GB2A470J
RK73HB1J104J
RK73HB1J104J
RK73GB2A104J
RK73GB2A000J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
47
J
J
J
J
J
1/10W
1/16W
1/16W
1/10W
1/10W
3.3K
10K
220
1.0K
100K
100K
100K
0.0
R104
R105,106
R107
R108
R109
RK73GB2A101J
RK73GB2A332J
RK73GB2A392J
RK73GB2A152J
RK73GB2A100J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
100
3.3K
3.9K
1.5K
10
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R241
R242
R243
R244
R245
RK73GB2A154J
RK73HB1J104J
RK73HB1J683J
RK73GB2A104J
RK73HB1J104J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
150K
100K
68K
100K
100K
J
J
J
J
J
1/10W
1/16W
1/16W
1/10W
1/16W
R110
R112
R114
R115
RK73GB2A331J
RK73GB2A180J
RK73GB2A154J
RK73GB2A473J
RK73GB2A470J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
330
18
150K
47K
47
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R300
R301,302
R303
R304
R305
RK73GH2A913D
RK73GB2A562J
RK73GB2A332J
RK73GB2A105J
RK73GB2A183J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
91K
D
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
5.6K
3.3K
1.0M
18K
R116,117
R118
R119
R120
R121
R122
RK73GB2A000J
RK73GB2A472J
RK73GB2A332J
RK73GB2A473J
RK73GB2A681J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R306
R307
R308
R309
R311
RK73GB2A124J
RK73GB2A473J
RK73GB2A103J
RK73GB2A474J
RK73FB2B000J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
120K
47K
10K
470K
0.0
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/8W
4.7K
3.3K
47K
680
R123
R124
R125
R126
RK73GB2A000J
RK73GB2A561J
RK73GB2A332J
RK73GB2A681J
RK73GB2A271J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R312
R313
R314
R315
R316
RK73GB2A123J
RK73GB2A104J
RK73GH2A474D
RK73GH2A394D
RK73GB2A274J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
12K
J
J
D
D
J
1/10W
1/10W
1/10W
1/10W
1/10W
560
3.3K
680
270
100K
470K
390K
270K
R127,128
R130-132
R133-138
R140
R141
R142
RK73EB2ER39K
RK73GH2A154D
RK73GB2A103J
RK73GB2A473J
RK73GB2A105J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.39
150K
10K
47K
1.0M
K
D
J
J
J
1/4W
R317
R318
R320
R321
R322
RK73GH2A274D
RK73GB2A184J
RK73GB2A473J
RK73GB2A223J
RK73GH2A224D
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
270K
180K
47K
22K
220K
D
J
J
J
D
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
1/10W
R143
R144
R145
R146
RK73GB2A000J
RK73GB2A331J
RK73GB2A184J
RK73GB2A104J
RK73GB2A331J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
0.0
330
180K
100K
330
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R323
R324
R325
R326
R327
RK73GB2A104J
RK73GB2A562J
RK73GB2A104J
RK73GH2A562D
RK73GB2A000J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
100K
5.6K
100K
5.6K
0.0
J
J
J
D
J
1/10W
1/10W
1/10W
1/10W
1/10W
R147,148
R200
R201
R202
R203,204
R205
RK73GB2A100J
RK73GB2A102J
RK73GB2A394J
RK73GB2A332J
RK73GB2A153J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
10
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R328
R329
R330
R331
R332
RK73GB2A102J
RK73GB2A000J
RK73GB2A473J
RK73GB2A222J
RK73GB2A151J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
1.0K
0.0
47K
2.2K
150
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
1.0K
390K
3.3K
15K
R206
R207
R208
R209
RK73GB2A474J
RK73GB2A104J
RK73GB2A684J
RK73GB2A272J
RK73GB2A471J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
470K
100K
680K
2.7K
470
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R333
R334
R335
R336
R338
RK73GB2A474J
RK73GB2A100J
RK73GB2A563J
RK73GB2A333J
RK73GB2A473J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
470K
10
56K
33K
47K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R210,211
16
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TK-2102G
PARTS LIST
TX-RX UNIT (X57-6020-10)
New
parts
Desti-
New
parts
Desti-
Ref. No. Address
Parts No.
Description
Ref. No. Address
Parts No.
Description
nation
nation
R339
R340
R341
R400
R401
RK73GB2A822J
RK73GH2A124D
RK73GB2A104J
RK73GB2A334J
RK73GB2A104J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
8.2K
J
D
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R527
R528
R529
R530
R531
RK73GH2A163D
RK73GB2A754J
RK73GB2A183J
RK73GB2A101J
RK73HB1J000J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
16K
750K
18K
100
0.0
D
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/16W
120K
100K
330K
100K
R402
R403
R404
R405
R406
RK73GB2A221J
RK73GB2A181J
RK73GB2A000J
RK73GB2A102J
RK73GB2A222J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
220
180
0.0
1.0K
2.2K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R532
R533
R534
R535
R536
RK73GB2A821J
RK73GB2A104J
RK73GB2A182J
RK73GB2A471J
RK73HB1J102J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
820
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/16W
100K
1.8K
470
1.0K
R407
R408
R409
R410
R411
RK73GB2A102J
RK73GB2A104J
RK73GB2A102J
RK73GB2A822J
RK73GB2A224J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
1.0K
100K
1.0K
8.2K
220K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R537
R538
R539
R540
R541
RK73HB1J101J
RK73GB2A101J
RK73HB1J000J
RK73FB2B000J
RK73GB2A472J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
100
100
0.0
0.0
4.7K
J
J
J
J
J
1/16W
1/10W
1/16W
1/8W
1/10W
R412
R413
R414,415
R416
R417
RK73GB2A100J
RK73GB2A102J
RK73GB2A473J
RK73GB2A472J
RK73GB2A100J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
10
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R542
R548
VR1
VR500
VR501
RK73GB2A000J
RK73GB2A332J
R32-0736-05
R32-0736-05
R32-0732-05
CHIP R
CHIP R
0.0
3.3K
J
J
1/10W
1/10W
1.0K
47K
4.7K
10
SEMI FIXED VARIABLE RESISTOR
SEMI FIXED VARIABLE RESISTOR
SEMI FIXED VARIABLE RESISTOR
R418
R419
R420
R421
R422
RK73GB2A222J
RK73GB2A000J
RK73GB2A102J
RK73HB1J473J
RK73GB2A272J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
2.2K
0.0
1.0K
47K
2.7K
J
J
J
J
J
1/10W
1/10W
1/10W
1/16W
1/10W
S402,403
MIC500
S70-0414-05
T91-0651-15
TACT SWITCH
MIC ELEMENT
D1-4
D5
D6,7
D100-104
D200
1SV283F
1SV214-F
MA2S111-F
HSC277
VARIABLE CAPACITANCE DIODE
VARIABLE CAPACITANCE DIODE
DIODE
DIODE
DIODE
R423
R424,425
R426
R427
R428
RK73HB1J473J
RK73GB2A332J
RK73GB2A822J
RK73GB2A102J
RK73GB2A272J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
47K
J
J
J
J
J
1/16W
1/10W
1/10W
1/10W
1/10W
3.3K
8.2K
1.0K
2.7K
HSC277
D201-205
D300
D500
D501
D502
HVC350B
DA221
1SS372F
DAN222
1SR154-400
VARIABLE CAPACITANCE DIODE
DIODE
DIODE
DIODE
DIODE
R429
R430
R431
R432
RK73GB2A821J
RK73GB2A101J
RK73GB2A000J
RK73GB2A103J
RK73GB2A153J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
820
100
0.0
10K
15K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
R433,434
D505
UDZW4.7(B)
ZENER DIODE
R435
R500,501
R502
R503
R504
RK73GB2A103J
RK73GB2A472J
RK73GB2A823J
RK73GB2A682J
RK73GB2A223J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
10K
4.7K
82K
6.8K
22K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
IC1
MB15A02PFV2E1
NJM2904V-ZB
TA31136FNG
NJM2902V-ZB
NJM2904V-ZB
MOS-IC
MOS-IC
MOS-IC
MOS-IC
MOS-IC
IC100
IC200
IC300
IC301
R505
R506
R507
R508
R509
RK73GB2A682J
RK73GB2A821J
RK73GB2A472J
RK73GB2A102J
RK73GB2A124J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
6.8K
820
4.7K
1.0K
120K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
IC302
IC400
IC401
IC401
IC402
TA7368FG
BD4840G-TR
AT24C08A10SU18
CAT24WC08JI18
R3111N451C-F
MOS-IC
MOS-IC
ROM IC
ROM IC
MOS-IC
✽
✽
R510
R511
R512
R513
RK73GB2A332J
RK73GB2A103J
RK73GB2A185J
RK73GB2A153J
RK73GB2A333J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
3.3K
10K
1.8M
15K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
IC403
IC404
IC500
Q1
38268MCA060GU
XC6201P502PR
NJM2100V-ZB
2SC4649(N,P)
2SC5108(Y)F
MICROPROCESSOR IC
MOS-IC
MOS-IC
TRANSISTOR
TRANSISTOR
R514,515
33K
Q2
R516
R517
R518
R519,520
R521
RK73GB2A103J
RK73GB2A185J
RK73GB2A154J
RK73GB2A333J
RK73GB2A332J
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
10K
J
J
J
J
J
1/10W
1/10W
1/10W
1/10W
1/10W
Q3,4
Q5
Q6
Q7
Q8
✽
2SK1875-F(V)
2SJ243-A
2SC5108(Y)F
UMC4N
FET
FET
TRANSISTOR
TRANSISTOR
TRANSISTOR
1.8M
150K
33K
3.3K
2SC4617(S)
R522
R523
R524
R525
R526
RK73GB2A182J
RK73GB2A682J
RK73GB2A513J
RK73GB2A152J
RK73GH2A153D
CHIP R
CHIP R
CHIP R
CHIP R
CHIP R
1.8K
6.8K
51K
1.5K
15K
J
J
J
J
D
1/10W
1/10W
1/10W
1/10W
1/10W
Q100
Q101
Q102
Q103
Q104
2SC5108(Y)F
2SC4988-E
2SK2596-E
2SK1824-A
UFMMT717
TRANSISTOR
TRANSISTOR
FET
FET
TRANSISTOR
✽
17
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TK-2102G
PARTS LIST
TX-RX UNIT (X57-6020-10)
New
Desti-
New
parts
Desti-
nation
Ref. No. Address
Parts No.
Description
Ref. No. Address
nation
Parts No.
Description
parts
Q105
Q106
Q107
Q108
Q109
2SK2595-E
FET
FET
2SK1824-A
DTC114TE
DTC114EE
DTA144EE
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
Q200
Q201
Q202,203
Q300
Q302
DTA114EE
2SC4649(N,P)
3SK318
2SC4617(S)
2SK1824-A
DIGITAL TRANSISTOR
TRANSISTOR
FET
TRANSISTOR
FET
Q303
Q304
Q305
Q306
Q307
DTA144EE
DTC144EE
2SA1362-F(GR)
DTC144EE
2SK1588-AZ
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
TRANSISTOR
DIGITAL TRANSISTOR
FET
Q400,401
Q402
Q403
DTC114EE
DTA114YE
DTC144EE
UMG3N
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
DIGITAL TRANSISTOR
TRANSISTOR
Q404
Q405
UPA672T-A
FET
Q406
Q407
Q408
Q500
FP210
UMG3N
DTA123JE
2SK1824-A
2SC4617(S)
TRANSISTOR
TRANSISTOR
DIGITAL TRANSISTOR
FET
Q501,502
TRANSISTOR
Q503
2SC4919
TRANSISTOR
Q504
TH100
TH500
DTA143ZE
157-503-65001
157-302-65801
DIGITAL TRANSISTOR
THERMISTOR
THERMISTOR
18
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TK-2102G
EXPLODED VIEW
A
B
C
44
13
43
37
B
41
42
1
2
3
37
B
1
9
53
9
33
704
45
Fx3
703
Fx3
Fx3
24
21
X57
Fx2
19
104
27
23
X57
X57
A
105
X57
102
TX-RX
unit
7
X57
A
18
34
103
101
F
X57
106
51
39
25
49
15
22
12
10
700
2
Dx2
16
8
A
: N09-2438-05
: N14-0581-44
: N14-0804-24
17
B
C
D
E
F
E
M2.6 x 6 : N30-2606-48
M2 x 3
M2 x 5
: N79-2030-48
: N83-2005-48
702
701
Parts with the exploded numbers larger than 700 are not supplied.
19
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TK-2102G
PACKING
C
D
5
Instruction manual
(B62-2103-00)
711
59 Charger
(W08-0598-15)
56 AC adapter (AC 120V)
(W08-0479-25):K
58 AC adapter (AC 230V)
(W08-0558-35):M
1
2
3
30 Protection bag
(H25-0085-04)
715
54 Helical antenna
(T90-1036-15)
713
47 Screw set
(N99-0396-15)
4
Cap (SP/MIC)
(B09-0351-03)
712
35 SP/MIC holder
(J21-4493-04)
60 Battery assy
(W09-0940-25)
31 Protection bag
(H25-2012-04)
36 Belt clip
(J29-0734-05)
714
Parts with the exploded numbers larger than 700 are not supplied.
20
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TK-2102G
ADJUSTMENT
Test Equipment Required for Alignment
Test Equipment
Major Specifications
150 to 174MHz
Frequency modulation and external modulation
–127dBm/0.1µV to greater than –47dBm/1mV
Frequency Range
Modulation
Output
1. Standard Signal Generator
(SSG)
Input Impedance
50
Ω
2. Power Meter
Operation Frequency
Measurement Capability
150 to 174MHz or more
Vicinity of 10W
3. Deviation Meter
4. Digital Volt Meter (DVM)
5. Oscilloscope
Frequency Range
150 to 174MHz
Measuring Range
Input Impedance
10mV to 10V DC
High input impedance for minimum circuit loading
DC through 30MHz
6. High Sensitivity
Frequency Counter
Frequency Range
Frequency Stability
10Hz to 1000MHz
0.2ppm or less
7. Ammeter
5A
Frequency Range
Voltage Range
50Hz to 10kHz
1mV to 10V
8. AF Volt Meter (AF VTVM)
Frequency Range
Output
50Hz to 5kHz or more
0 to 1V
9. Audio Generator (AG)
Capability
Input Level
3% or less at 1kHz
50mV to 10Vrms
10. Distortion Meter
11. Spectrum Analyzer
12. Tracking Generator
Measuring Range
DC to 1GHz or more
Center Frequency
Output Voltage
50kHz to 600MHz
100mV or more
13. 8 Dummy Load
Approx. 8 , 3W
Ω
Ω
5V to 10V, approx. 3A
Useful if ammeter equipped
14. Regulated Power Supply
The following parts are required for adjustment
Coaxial antenna connector
1. Antenna connector adapter
The antenna connector of this radio uses an SMA termi-
nal.
Use an antenna connector adapter [SMA(f) – BNC(f) or
SMA(f) – N(f)] for adjustment. (The adapter is not provided
as an option, so buy a commercially-available one.)
2. Jig (chassis) for adjustment(part number A10-1392-03)
Use the jig as follows:
■
JIG
1. Insert the coaxial antenna connector into the jig.
2. Place the unit on the jig and fix it with 12 screws q.
3. Solder the antenna terminal to the terminal of the unit.
Note: Supply power from an external power supply.
Relay terminal : +
Relay terminal
(
)
Jig (chassis) : –
UNIT
:
:
:
:
:
21
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TK-2102G
ADJUSTMENT
Controls
Preparations for tuning the transceiver
Before attempting to tune the transceiver, connect the
unit to a suitable power supply.
Whenever the transmitter is tuned, the unit must be con-
nected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with
Channel
selector
Antenna
Power switch/
Volume control
LED indicator
a 8 dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during tuning.
Ω
Speaker
Microphone
Adjustment Frequency
■
K,M
TEST CH
RX (MHz)
TX (MHz)
150.00000
162.00000
173.97500
Low
Center
High
150.10000
162.10000
173.90000
Adjustment Points
PTT switch
Monitor key
L212
Speaker/
microphone
jacks
TC201
R225
TP2
TC1
TC2
Foil side view
TC201: Band-pass filter waveform adjustment
L212: AF level adjustment
Frequency
TC1:
TC2:
TP2:
Transmit VCO lock voltage adjustment
Receive VCO lock voltage adjustment
Band-pass filter test point
The set has been adjusted for the frequencies shown in
the following table. When required, re-adjust them follow-
ing the adjustment procedure to obtain the frequencies you
want in actual operation.
SP
MIC
CV
Frequency
■
CH
RX (MHz)
162.10000
150.10000
173.90000
162.50000
162.55000
162.60000
162.55000
162.65000
-
TX (MHz)
162.00000
150.00000
173.97500
162.50000
162.55000
162.60000
162.55000
162.65000
-
VR501
1
CH
IC403
VR1
2
3
VR500
4
ANT
Component side view
5
6
7
ANT:
CH:
SP:
Antenna connector
Channel selector
Speaker jack
8
9~16
MIC:
CV:
Microphone jack
VCO lock voltage adjustment terminal
VR500: DQT waveform adjustment
VR501: MAX DEV adjustment
Note: To fine tune the frequency when not using a
computer, adjust VR1.
22
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TK-2102G
ADJUSTMENT
Common Section
Measurement
Adjustment
Method
Item
Condition
Specifications / Remarks
Test-
Unit Terminal Unit Parts
equipment
1. Setting
1) BATT terminal voltage: 7.5V
2) SSG standard modulation
[Wide]
MOD: 1kHz, DEV: 3kHz
[Narrow]
MOD: 1kHz, DEV: 1.5kHz
2. VCO lock
voltage
RX
1) TEST CH: High
2) TEST CH: Low
Power
meter
DVM
TX-RX ANT
CV
TX-RX TC2
TX-RX TC1
3.8V
0.1V
Check
3.8V
0.7V or more
0.1V
3. VCO lock
voltage
TX
1) TEST CH: High
PTT: ON
2) TEST CH: Low
PTT: ON
Check
0.7V or more
Transmitter Section
Measurement
Adjustment
Item
Condition
Specifications / Remarks
Test-
equipment
Unit Terminal Unit Parts Method
1. Frequency
adjust
1) TEST CH: Center
PTT: ON
Frequency TX-RX ANT
counter
Program- Center frequency
Note: After replacing the
TCXO (X1) align frequency.
ming
50Hz
software:
KPG-55D
(Windows
version:
ver.4.00
or later)
2. DQT/QT
Balance
1) TEST CH: Center
PTT: ON
Power
meter
TX-RX VR500 Adjust the demodu-
lation wave into a
Deviation
meter
square wave.
Oscillo-
scope
3. RF Power
1) TEST CH: Low
BATT terminal voltage: 7.5V
PTT: ON
Power
meter
Ammeter
Program- 5.1W
ming
software:
KPG-55D
(Windows
version:
0.1W
1.6A or less
ver.4.00
or later)
4. Max
Deviation
1) TEST CH: Center
AG: 1kHz/120mV
Deviation meter filter
LPF: 15kHz
Power
meter
Deviation
meter
ANT
TX-RX VR501 4.2kHz
(According to the
larger +,-)
0.1kHz
SP/MIC
connec-
tor
[Wide]
HPF: OFF
PTT: ON
Oscillo-
scope
AG
AF VTVM
[Narrow]
2) TEST CH: Center
PTT: ON
Check
1.8kHz~2.2kHz
23
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TK-2102G
ADJUSTMENT
Measurement
Adjustment
Item
5. MIC
Condition
Specifications / Remarks
Test-
Unit Terminal Unit Parts
Method
Check
equipment
1) TEST CH: Center
AG: 1kHz/12mV
PTT: ON
Power
meter
Deviation
meter
TX-RX ANT
SP/MIC
connec-
tor
2.2kHz~3.8kHz
Sensitivity
[Wide]
Oscillo-
scope
AG
AF VTVM
[Narrow]
2) TEST CH: Center
PTT: ON
1.1kHz~1.9kHz
0.03kHz
6. QT
Deviation
1) TEST CH: High
QT: 67.0Hz
LPF: 3kHz
Power
meter
Deviation
meter
ANT
Program- 0.90kHz
ming
software:
[Wide]
HPF: OFF
KPG-55D
PTT: ON
Oscillo-
scope
(Windows
version:
AG
AF VTVM
ver.4.00
or later)
[Narrow]
2) TEST CH: High
PTT: ON
0.43kHz
0.85kHz
0.03kHz
0.03kHz
7. DQT
Deviation
1) TEST CH: High
DQT: D023N
LPF: 3kHz
[Wide]
HPF: OFF
PTT: ON
[Narrow]
2) TEST CH: High
PTT: ON
0.40kHz
0.03kHz
8. Battery
Warning
Level
1) BATT terminal voltage: 5.8V
DVM
ANT
BATT
termi-
nal
Adjust the adjust-
ment value until the
LED starts to blink.
The LED must blink.
24
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TK-2102G
ADJUSTMENT
Receiver Section
Measurement
Adjustment
Method
Item
Condition
Specifications / Remarks
Test-
Unit Terminal Unit Parts
equipment
1. BPF wave
adjust
1) TEST CH: Center
Spectrum analyzer setting
Center frequency: 160MHz
Span: 100MHz
Spectrum TX-RX ANT
TX-RX TC201 Adjust the waveform
as shown in Fig.1.
analyzer
Tracking
generator
TP2
RBW: 100kHz
VBW: 10kHz
ATT: 0dB
REF: -20dBm
TG level: -40dBm
2. AF Level
1) TEST CH: Center
SSG output: -53dBm (501µV) Oscillo-
SSG MOD: 3kHz
SSG
ANT
L212 Adjust to the maxi-
mum AF level.
SP/MIC
connec-
tor
[Wide]
scope
AF VTVM
Distortion
meter
[Narrow]
2) TEST CH: Center
SSG output: -53dBm (501µV)
SSG MOD: 1.5kHz
3. Sensitivity
[Wide]
1) TEST CH: Low, Center, High
SSG output: -116dBm
(0.35µV)
Check
12dB SINAD or more
SSG MOD: 3kHz
[Narrow]
2) TEST CH: Center
SSG output: -116dBm
(0.35µV)
SSG MOD: 1.5kHz
4. Squelch
Tight
1) TEST CH: Center
MONI: ON
Program- Adjust the adjust-
The squelch must close.
ming
ment value until the
software: squelch closes.
2) Level 9
SSG output: -116dBm
(0.35µV)
KPG-55D
(Windows
version:
ver.4.00
or later)
SSG MOD: 3.0kHz
5. Squelch
Open
1) TEST CH: Center
MONI: ON
2) Level 3
SSG output: -123dBm
(0.158µV)
SSG MOD: 3.0kHz
REF -20.0 dBm
10dB/
ATT 0dB
A_blank B_view
162.0 MHz
BPF-Wave
MKR
K,M
TG LEVEL
-40dBm
RBW
100 kHz
VBW
10 kHz
SWP
200 ms
CENTER
SPAN 100.0 MHz
K, M
160.0MHz
Fig. 1
25
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A
B
C
D
E
F
G
H
I
J
TK-2102G PC BOARD
1
2
TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09)
R341
Q306
C336
+
C332
3
C330 R332
C411
R509
Q305
IC302
4
4
3
R504
R503
R408
IC402
R404
C400
5
1
1
5
+
R501
C500
R327
IC400
3
4
R418 R500
5
25
1
100
26
C415
L403
6
C412
R514
C509
IC403
C409 R409
C413
C505
C507
R510 R511
R520
7
50
76
51
75
Q402
+
C408
Q504
R507
R416
R405
R401
8
O
IC404
L401
G
IC401
C502
R541
I
CV
9
AF
J79-0166-09
10
11
12
Ref. No. Address Ref. No. Address Ref. No. Address
IC100
IC302
IC400
IC401
IC402
IC403
IC404
IC500
Q103
Q104
4O
4I
Q106
Q107
Q108
Q109
Q304
Q305
Q306
Q307
Q402
Q403
4M
4M
4L
Q500
Q501
Q502
Q503
Q504
D400
D401
D500
D501
D505
6K
6I
5D
9E
4D
6F
8C
6K
5P
5P
6J
8N
8F
7R
7R
8L
8M
5L
4N
3H
4H
3J
4K
8C
7D
13
14
26
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J
K
L
M
N
O
P
Q
R
S
PC BOARD TK-2102G
1
TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09)
2
R341
06
36
R135
R146
3
MIC500
C134
C132
R136
ANT
G
R531
+
D Q307
S
IC100
4
Q107
+
C127
5
C115
R542
R522
R523
6
B
+
5
4
1
8
R520
C517
D400
D401
C420
R415
7
R430
R431
1
5
10
6
R417
SB
R414
C418
C524
R528 C520
C521
R530
5MS
8
C522
F500
D500
MIC
SP+
SP–
R538
C523
C529
R535
PTT
+
9
TXD
SP
AFG
10
11
12
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
13
14
27
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A
B
C
D
E
F
G
H
I
J
TK-2102G PC BOARD
1
2
TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09)
S402
PTT
S403
MONI
D2
C532
C257
R23
3
C25
R240
C138
C261
C254
L211
R242
C262
4
D203
R123
C255
C256
C259
R239
L113
C252
C253
L115
C144
R127
R128
C128
C126
L111
5
TH100
R117
L102
C118
R120
C131
R115
C111
D
G
L107
L109
C116
L108
D100
D20
6
C109 R112
R148 R147
Q407
L105
R429
C
B
E
B
C429
R427
C
B
E
B
Q408
C
7
C
C
B
E
B
Q406
C
R435 C423
C1
L
Q404
C402 C406
R410 R426
R402 R403
R420 C421
R419
R432
C427
C101
R102
R406
8
+
C50
Q8
MIC
5MS
J500
EXT. SP/MIC
9
D4
C31
TXD
PTT
SP
AFG
10
11
12
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1
IC200
IC300
IC301
Q1
8O
4O
8Q
5Q
6N
8M
9J
Q7
9J
8J
7J
6I
Q300
Q302
Q303
Q400
Q401
Q404
Q405
Q406
Q407
Q408
9Q
9R
7R
7B
7B
7F
8G
7E
7F
7D
D1
D2
8L
8L
9H
9I
D103
D104
D200
D201
D202
D203
D204
D205
D300
D502
4E
5E
6J
4L
3K
4J
4H
4G
3R
7C
Q8
Q100
Q101
Q102
Q105
Q200
Q201
Q202
Q203
D3
D4
6H
5F
3P
3O
6K
4J
D5
9L
8I
Q2
D6
Q3
D7
9O
6J
5D
4E
Q4
8K
9K
8J
D100
D101
D102
Q5
Q6
13
14
28
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J
K
L
M
N
O
P
Q
R
S
PC BOARD TK-2102G
1
TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09)
2
R230
C249
C246 R228
C213
Q200
R200
C224
R208
R210
Q201
D202
R231
C223 C214
3
R207
C210
C250
D300
R213
L204
R204
C204
L211
262
R203
C203
R242
R241
C319
C338
R318
4
D203
R233
IC200
C314
L214
C237
252
253
C216
C206
C205
C28
L17
+
C200
5
IC301
L16
+
C264
R216
C217
R215
C235
C220
L215
R212
C234
R245
L200
Q202
R309
R304
G
S
C308
R316
D100
D200
L4
G
D
R313
6
Q1
R301
C233
R223
R308
R244
L202
C313
C20
C301
R302
C300
X1
C10
R4
TP2
+
C304
R338
R307
7
Q303
C100
C9
L8
L12
Q6
+
L1
1
20
11
C32
IC300
C29
R16
+
R21
Q2
L6
8
+
C307
C6
C3
C2
R312 R314 R315
C41
L7
R28
C25
R10
10
D2
C34
C309
C312
R321
C316
C39
C38
R22
R328
R5
R7
TC1
R15
R13
+
R326
C321
9
CP1
+
R340
R300
C322
J79-0166-09
10
11
12
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
13
14
29
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A
B
C
D
E
TK-2102G
SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
TX-RX UNIT(X57-6020-10)
RF AMP
Q2
C25
R28
0
2SC5108(Y)F
C48
10p
470p
X1
T:2.4V
R:2.4V
L77-1877-15
12.8MHz
T:5.0V
R:4.9V
C5
R29 4.7u6.3
R3
10
0
CV
R11
47k
VR1
68k
C4
UNLOCK
DETECT
0.1u
D7
R2
1k
R5
0
R7
0
R10
150
R13
150
L7
MA2S111-F
L2
C24
R16
68k
MOD
8.2u
680p
R:4.8V
R14
PHASE LOCKED
LOOP SYSTEM
L5
560n
100
IC1
C28
MB15A02PFV2E1
33p
L17
C19
R8
330k
L16
220n
0.01u
220n
T:0V
R:4.8V
TRIPLER
CP1
1k*4
Q1
2SC4649(N,P)
R:0.7V
5C
2nd Local
TO
RX
PABC
5R
TO
RX
PABC
SB
R406
2.2k
5RC
5T
Q402
DTA114YE
T:5.0V
R:0V
T:4.9V
R:2.2V
T:4.9V
R:5.0V
DC SW
L401
C414
1000p
Q408
DTA123JE
DC SW
Q406
FP210
DC SW
EEPROM
VOLTAGE REGULATOR
T:7.4V
R:7.5V
B
T:5.0V
R:5.0V
T:5.0V
R:5.0V
IC401
AT24C08A10SU18
IC404
XC6201P502PR
R411
220k
R407
1k
R424
3.3k
R425
T:7.4V
R:7.5V
1
2
3
4
8
R540
0
5M
VOUT
VIN
A0
VCC
WP
3.3k
VSS
7
6
5
A1
A2
SCL
SDA
GND
DC SW
DC SW
C412
10p
DC SW
R401
R405
BEAT
SHIFT SW
Q405
UPA672T-A
T:1.9V
100k
1k
T:0V
Q403
DTC144EE
T:1.9V
R:1.9V
R:4.4V
RESET SW
IC400
BD4840G-TR
VOLTAGE DETECT
T:5.0V
R:5.0V
4
5
3
2
1
C415
10p
NC1 GND
VDD
R412 L403
IC402
R3111N451C-F
5M
10
220n
5
R404
0
1
NC2 VoUT
oUT NC2
2
5MS
SAVE
5TC
VDD
4
3
GND NC1
WNRC
VCCN
T:4.5V
R:4.8V
5.0V
T:2.3V
R:2.3V
C420
C418 0.01u 0.01u
0.01u
C422
R6
1k
C425
0.01u
R417
10
WNTC
LED TX
LED BUSY
50
26
WNRC
TIBI
5MS
51
25
TI
DC SW
DC SW
Q400
DTC114EE
MONI
SELF
BUSY
R:5.0V
T:4.9V
R:5.0V
T:0V
Q401
DTC114EE
R548
3.3k
DT
CK
APC
TXD
PTT
RXD
TXD
PTT
LE
R418
2.2k
TO
BEEP
MONI
PTT
MICROPROCESSOR
5MC
AFCO
IC403
38268MCA060GU
RX
GLED
RLED
SAVE
R502
82k
C503
APC
0.033u
R:4.7V
T:0V
T:0V
R:4.6V
VCCN
MUTE
5RC
R413
1k
5TC
BATT
BUSY
TI
TIBI
CHANNEL SWITCH
POWER SWITCH
AUDIO VOLUME
0.1u
15k
C533
R513
VC2
VC1
R500
4.7k
R501
4.7k
C504
TO
75
1
4.7u6.3
76
100
CN400
10
5.0V
ENC2
L400
220n
C413
L402
220n
9
8
7
6
5
4
3
2
1
ENC3
SB
1000p
TO
B
B
ENC1
ENC0
TO VOLUME
TO AF AMP
WNTC
WNTC
TO VOLUME
MUTE
AFCO
MUTE
AFCO
R430
100
R431
RX
SB
RX
SB
TO AF AMP
0
30
X57-602 1/4
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F
G
H
I
J
TK-2102G
SCHEMATIC DIAGRAM
TX-RX UNIT(X57-6020-10)
L8
VCO TX
6.8u
C32
Q4
2SK1875-F(V)
D1,2
100p
FREQ.
RF AMP
T:0.6V
R:0V
T:2.5V
R:2.5V
CONTROL
RF BUFFER AMP
Q100
2SC5108(Y)F
Q6
C103
22p
L6
2SC5108(Y)F
C47
33p
C100
15p
C44
6.8u
0.5p
R:0V
T:0.4V
DC SW
D5
Q5
2SJ243-A
TX MODULATION
R17
100k
DC SW
Q7
UMC4N
L9
VCO RX
2SK1875-F(V)
Q3
L14
R27
1k
6.8u
C33
D3,4
MOD
FREQ.
CONTROL
T:0V
R:4.2V
39p
L15
RIPPLE FILTER
6.8u
Q8
T:4.2V
R:4.2V
2SC4617(S)
T:0V
R:4.3V
CURRENT
STEERING
5C
2nd Local
2nd Local
RX
PABC
5R
PABC
5R
5T
5T
C301
C305
R303
3.3k
0.01u(J)
0.018u
AUDIO AMP
ACTIVE FILTER
R317
T:0V
R:4.9V
270k(D)
IC300
NJM2902V-ZB
R312
12k
B
1
2
3
4
5
6
7
14
13
12
11
10
9
R304
R320
47k
1M
R302
C309
ACTIVE
FILTER
0.01u(J)
5.6k
IC301
VDD
VSS
NJM2904V-ZB
C303
1
2
3
4
8
7
6
5
C312
C316
0.1u
V+
0.01u(J)
0.01u(J)
8
R311
R318
QT/DQT
0
180k
GND
R:1.8V
R340
C338
R321
22k
120k(D)
56p
R307
47k
R323
100k
C321
C320
Q300
2SC4617(S)
Q303
0.033u(J)
R326
0.033u(J)
R:2.1V
DTA144EE
ACTIVE
FILTER
DC SW
D300
DA221
5.6k(D)
W:4.8V
N:0V
R:2.0V
TP3
AUDIO
MUTE SW
LIMITER
R:2.0V
Q302
2SK1824-A
R:3.8V
AF
WNRC
TIBI
TIBI
5MS
5MS
5MS
TI
BUSY
TI
TI
BUSY
BUSY
B
B
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
ACTIVE
FILTER
ACTIVE
FILTER
T:3.0V
T:3.0V
R514
33k
Q502
2SC4617(S)
R519
33k
Q501
2SC4617(S)
T:2.7V
T:2.7V
T:1.3V
C514
0.047u
R523
6.8k
R508
1k
C507
2.2u4
R510
3.3k
C509
R515
33k
C511
C512
R520
33k
3300p
0.047u
3300p
C505
R506
820
1u
DC SW
R503
6.8k
W:0V
N:5V
Q500
2SK1824-A
VR500
68k
TO
B
WNTC
WNTC
TO VOLUME
MUTE
AFCO
MUTE
AFCO
RX
SB
RX
SB
TO AF AMP
TO AF AMP
31
X57-602 2/4
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K
L
M
N
O
TK-2102G
SCHEMATIC DIAGRAM
TX-RX UNIT(X57-6020-10)
TX FINAL
Q105
2SK2595-E
T:0.6V
R:0V
TX DRIVE
Q102
2SK2596-E
T:1.1V
R:0V
T:0.7V
R:0V
R118
0
C116
L107
33n
R107
C108
12p
R112
18
C109
1000p
L103
27n
1000p
T:2.2V
R:1.0V
T:2.9V
R:0V
3.9k
RF SW
D100
C104
T:7.3V
R:0V
Q101
2SC4988-E
HSC277
1000p
T:5.0V
R:0V
TX PRE-DRIVE
RF SW
5T
R125
3.3k
APC
APC
T:0V
R:1.7V
Q107
DTC114TE
TEMPERATURE
PROTECTION SW
DC SW
T:7.4V
Q104
UFMMT717
B
B
B
R122
680
T:5.0V
Q103
2SK1824-A
2nd Local
R126
680
DC SW
PABC
5R
PABC
5R
5R
CF200
L72-0958-05
OUT IN
5T
R:4.8V
R223
100
R:4.4V
R:3.6V
R:4.8V
R200
10
2nd IF 450kHz
TP2
R201
1k
C205
390p
2nd LOCAL
38.4MHz
1st IF 38.85MHz
IF AMP
R:3.6V
R202
390k
C206
330p
XF200
Q201
2SC4649(N,P)
R:0.7V
R:4.4V
L71-0522-05
MIXER
L201
R210
C214 OUT
IN
C221 R211
0.01u 470
Q202
3SK318
G2
470
0.01u
820n
IF SYSTEM
D
S
R217
0
C264
IC200
TA31136FNG
G1
1000p
R:0.2V
R220
560
R:1.1V
R:0.9V
C210
0.01u
C212
15p
5R
R207
100k
DC SW
Q200
DTA114EE
5R
AF
T:4.9V
R:5.0
5MS
5MS
B
BUSY
B
B
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
DC SW
Q504
DTA143ZE
MIC AMP/LIMITER
IC500
R524
51k
NJM2100V-ZB
5
6
7
8
4
3
2
1
V-
T:4.9V
R:5.0V
C516
10p
C520
C524
C525
0.1u
L500
0.022u
0.027u
V+
T:2.5V
AGC
DETECT
MIC MUTE
/AGC SW
R525
1.5k
C518
D500
1SS372F
D501
DAN222
0.022u(J)
R530
100
R532
820
Q503
2SC4919
MIC MUTE
/AGC
T:2.6V
R:2.6V
MUTE
AFCO
AFCO
SB
RX
SB
TO AF AMP
TO AF AMP
32
X57-602 3/4
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P
Q
R
S
T
TK-2102G
SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
TX-RX UNIT(X57-6020-10)
D101,104
ANTENNA SW
D104
C140
C144
C147
HSC277
D101
10p
9p
10p
C131
L110
3T
L111
4T
C137
L114
L115
L117
ANT
5T
1000p
HSC277
1000p
5T
6T
R:0V
T:7.3V
T:0.8V
R:0.1V
R:0V
T:1.7V
R123
0
D102,103
ANTENNA SW
5T
5T
R144
330
DC SW
R136
Q106
APC
150k(D)
C134
APC
2SK1824-A
APC
VOLTAGE
LIMITER
IC100
NJM2904V-ZB
100p
DC SW
1
2
3
4
8
7
6
5
Q109
DTA144EE
V+
R133
150k(D)
R142
1M
R134
R137
R138
GND
B
R145
180k
150k(D)
150k(D)
150k(D)
5T
5R
T:5.0V
Q108
DTC114EE
DC SW
APC
APC
R222
C243 L204
2p 0.75u
R213
0
R232
47
0
Q203
L211
33n
C262
C254
1.5p
C257
1.5p
3SK318
MIXER
RF AMP
1000p
R240
0
C261
15p
BPF TUNING
BPF TUNING
D203-205
BPF TUNING
R233
100k
R:150MHz 1.0V
175MHz 2.8V
R341
100k
5MS
B
APC
TXD
PTT
5MS
B
7.5V
F500
3.0A
L501
TXD
PTT
REVERSE
PROTECTION
C327
T:4.8V
IC302
TA7368FG
AUDIO MUTE SW
0.1u
R:3.4V
R:3.4V
Q307
2SK1588-AZ
R536
1k
DC SW
C337
1
10
9
Q305
2SA1362-F(GR)
NC1
PoUT
2
3
4
5
100u6.3
R537
100
R539
0
VCC PW-GND
J500
8
PTT
MIC
NC2
PRE-GND
R327
0
7
C330
100p
VIN
PHASE
NF
R538
100
5MS
AFG
TXD
6
RIPPLE
R332
150
C332
10u6.3
NC
SP
AUDIO POWER AMP
C334
220p
R333
C331
470k
R:7.5V
R:7.1V
DC SW
Q304
DTC144EE
DC SW
C333
0.47u
Q306
DTC144EE
0.47u
MIC500
C532
470p
AFCO
SB
TO AF AMP
Note : The components marked with a dot ( ) are parts of layer 1.
•
33
X57-602 4/4
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TK-2102G
BLOCK DIAGRAM
D5
1SV214
-F
Q2
2SC5108
(Y)F
Q4
2SK1875
-F(V)
Q6
2SC5108
(Y)F
Q10
2SC5
(Y)
D1,D2
1SV283F
x2
IC1
MB15A02PFV2E1
Q5,Q7
2SJ243
-A
D3,D4
1SV283F
x2
Q3
2SK1875
-F(V)
2
M
X1
L77-1877
-15
UMC4
Q403
DTC
144EE
IC403
38268MCA060GU
IC200
TA31136FNG
Q1
2SC4649
(N,P)
IC401
AT24CO8A
10SU18
IC402
R3111N
451C-F
IC400
BD4840G
-TR
NJM2904V-ZB
D300
DA221
IC404
XC6201
P502PR
Q405
UPA
672T-A
34
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TK-2102G
I
D101
D104
HSC277
x2
Q100
2SC5108
(Y)F
Q101
2SC4988
-E
Q102
2SK2596
-E
Q105
2SK2595
-E
Q8,D6
2SC4617
(S)
MA2S111
-F
IC100
NJM2904
V-ZB
Q104
Q103
UFMMT717
2SK1824
-A
Q106
2SK1824
-A
Q108
DTC
114EE
Q107
DTC
114EE
Q201
2SC4649
(N,P)
Q202
3SK318
Q203
3SK318
L203,L214
D201,D202
L208,L209,
L210
D203,D204,
D205
Q302
2SK1824
-A
Q307
2SK1588
-AZ
IC302
TA7368FG
NJM2904V-ZB
Q305
2SA1362
-F(GR)
D300
DA221
NJM2902V-ZB
D502
1SR154
-400
Q501
2SC4617
(S)
Q502
2SC4617
(S)
IC500
NJM2100V
-ZB
Q500
2SK1824
-A
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TK-2102G
LEVEL DIAGRAM
36
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TK-2102G
OPTIONAL ACCESSORIES
KNB-14 (Ni-Cd BATTERY)
External View
Schematic Diagram
Specifications
■
■
■
Discharge pin side
Voltage
: 7.2V (1.2V x 6)
Capacity
Dimensions
: 600mAh
: 60.8W x 110.8H x 17.3D (mm)
(projections included)
Breaker
Breaker
°
°
(80±5 C)
(70±5 C)
Charger and charging time:
KSC-15 (normal charger), approximately 8 hours
KSC-16 (rapid charger), approximately 1 hour
KSC-24 (rapid charger), approximately 40 minutes
Diode
Thermistor
Weight
: 165g
Charge pin side
KNB-15A (Ni-Cd BATTERY)
External View
Schematic Diagram
Specifications
■
■
■
Discharge pin side
Voltage
: 7.2V (1.2V x 6)
Capacity
Dimensions
: 1100mAh
: 60.8W x 110.8H x 20.3D (mm)
(projections included)
Breaker
Breaker
°
°
(80±5 C)
(70±5 C)
Charger and charging time:
KSC-15 (normal charger), approximately 8 hours
KSC-16 (rapid charger), approximately 2 hours
KSC-24 (rapid charger), approximately 1 hour
Diode
Thermistor
Weight
: 210g
Charge pin side
KNB-20N (Ni-MH BATTERY)
External View
Schematic Diagram
Specifications
■
■
■
Discharge pin side
Voltage
: 7.2V (1.2V x 6)
Capacity
Dimensions
: 1600mAh
: 63.8W x 110.8H x 17.2D (mm)
(projections included)
Breaker
Breaker
°
°
(80 C)
(70 C)
Charger and charging time:
KSC-24 (rapid charger), approximately 80 minutes
Polyswitch
Thermistor
Weight
: 210g
Diode
Charge pin side
37
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TK-2102G
SPECIFICATIONS
GENERAL
Frequency range.....................................................................150~174MHz
Channels.................................................................................16 channels
Channel spacing .....................................................................Wide: 25kHz Narrow: 12.5kHz
PLL channel stepping .............................................................5kHz, 6.25kHz
Battery voltage .......................................................................7.5V DC 20%
Battery life (5-5-90 duty cycle)
with KNB-15A (1100mAh battery) ......................................More than 8 hours
Operating temperature range.................................................–30°C ~ +60°C (–22 °F ~ +140°F)
Frequency stability.................................................................. 0.0005% (–30°C ~ +60°C)
Antenna impedance................................................................50
Ω
Channel frequency spread......................................................24MHz
Dimensions (W x H x D)
(Projections not included)
with KNB-15A (1100mAh battery) ......................................58 x 126.2 x 34.6 mm (2.28 x 4.97 x 1.36 inches)
Weight (net)............................................................................380g (13.4 oz) with battery (KNB-15A), antenna and belt clip
RECEIVER
Sensitivity (12dB SINAD)........................................................Wide: 0.25µV Narrow: 0.28µV
Selectivity ...............................................................................Wide: 70dB Narrow: 60dB
Intermodulation distortion ......................................................Wide: 65dB Narrow: 60dB
Spurious response..................................................................65dB
Audio output...........................................................................500mW with less than 10% distortion
TRANSMITTER
RF power output.....................................................................5W
Spurious response..................................................................65dB
Modulation..............................................................................Wide: 16K0F3E Narrow: 11K0F3E
FM noise.................................................................................Wide: 45dB Narrow: 40dB
Audio distortion ......................................................................Less than 5%
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach,
CA 90801-5745, U.S.A.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
Bolivia, 239-08020 Barcelona, Spain
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
L’Etoile Paris Nord 2, 50 Allée des Impressionnistes,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
Kwai Fong, N.T., Hong Kong
KENWOOD House, Dwight Road, Watford, Herts.,
WD18 9EB United Kingdom
1 Ang Mo Kio Street 63, Singapore 569110
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TK-2102G PC BOARD
PC BOARD TK-2102G
1
2
1
TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09)
TX-RX UNIT (X57-6020-10) Component side view (J79-0166-09)
2
R341
Q306
C336
+
C332
R135
R146
3
3
MIC500
C134
C132
C330 R332
R136
ANT
G
C411
R531
+
D Q307
S
R509
Q305
IC302
IC100
4
4
4
3
R504
R503
Q107
R408
IC402
+
C127
R404
C400
5
1
1
5
+
R501
C500
R327
IC400
3
4
R418 R500
5
5
25
1
C115
100
26
R542
C415
L403
R522
R523
6
6
B
+
C412
R514
C509
5
4
1
IC403
C409 R409
C413
8
C505
C507
R510 R511
R520
C517
D400
D401
C420
R415
7
7
R430
R431
1
5
10
6
R417
SB
R414
C418
50
76
51
75
C524
R528 C520
C521
Q402
+
C408
Q504
R507
R416
R405
R401
R530
5MS
8
8
C522
F500
D500
O
IC404
L401
MIC
G
SP+
SP–
R538
IC401
C502
R541
I
C523
CV
C529
R535
PTT
+
9
9
TXD
SP
AFG
AF
J79-0166-09
10
11
12
10
11
12
Ref. No. Address Ref. No. Address Ref. No. Address
IC100
IC302
IC400
IC401
IC402
IC403
IC404
IC500
Q103
Q104
4O
4I
Q106
Q107
Q108
Q109
Q304
Q305
Q306
Q307
Q402
Q403
4M
4M
4L
Q500
Q501
Q502
Q503
Q504
D400
D401
D500
D501
D505
6K
6I
Component side
Layer 1
Layer 2
Layer 3
Layer 4
5D
9E
4D
6F
8C
6K
5P
5P
6J
8N
8F
7R
7R
8L
8M
5L
4N
3H
4H
3J
Foil side
4K
8C
7D
13
14
13
14
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TK-2102G PC BOARD
PC BOARD TK-2102G
1
2
1
TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09)
TX-RX UNIT (X57-6020-10) Foil side view (J79-0166-09)
2
S402
PTT
S403
MONI
R230
C249
C246 R228
C213
Q200
R200
C224
R208
R210
Q201
D202
R231
C532
C257
C223 C214
3
3
R207
C210
C250
D300
R213
L204
R240
C138
R204
C204
C261
C254
L211
R203
C203
R242
R241
C262
C319
C338
R318
4
4
D203
R123
R233
C255
C256
IC200
C259
R239
C314
L214
C237
L113
C252
C253
L115
C144
C216
R127
R128
C206
C205
C128
C126
L111
C28
L17
+
C200
5
5
IC301
L16
TH100
R117
+
C264
R216
L102
C118
R120
C217
R215
C235
C220
C131
L215
R212
R115
C111
C234
R245
D
G
L107
L109
L200
Q202
C116
R309
R304
G
S
L108
C308
R316
D100
D200
L4
G
D
R313
6
6
Q1
R301
C233
R223
R308
R244
L202
C313
C109 R112
R148 R147
C20
C301
R302
C300
Q407
X1
C10
R4
L105
TP2
+
C304
R429
C
B
E
B
C429
R427
C
B
E
B
R338
R307
Q408
C
7
7
C
C
B
E
B
Q406
C
Q303
R435 C423
C100
C9
L8
Q404
C402 C406
R410 R426
R402 R403
L12
Q6
+
L1
1
20
11
C32
IC300
R420 C421
R419
R432
C427
C101
C29
R16
+
R102
R21
Q2
L6
R406
8
8
+
C307
+
C6
C3
C2
C50
Q8
R312 R314 R315
C41
MIC
5MS
L7
R28
C25
R10
10
D2
C34
C309
C312
R321
C316
C39
C38
R22
R328
R5
R7
TC1
J500
EXT. SP/MIC
R15
R13
+
R326
C321
9
9
CP1
D4
C31
TXD
+
PTT
R340
R300
SP
C322
AFG
J79-0166-09
10
11
12
10
11
12
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1
IC200
IC300
IC301
Q1
8O
4O
8Q
5Q
6N
8M
9J
Q7
9J
8J
7J
6I
Q300
Q302
Q303
Q400
Q401
Q404
Q405
Q406
Q407
Q408
9Q
9R
7R
7B
7B
7F
8G
7E
7F
7D
D1
D2
8L
8L
9H
9I
D103
D104
D200
D201
D202
D203
D204
D205
D300
D502
4E
5E
6J
4L
3K
4J
4H
4G
3R
7C
Component side
Q8
Layer 1
Layer 2
Layer 3
Layer 4
Q100
Q101
Q102
Q105
Q200
Q201
Q202
Q203
D3
D4
6H
5F
3P
3O
6K
4J
D5
9L
8I
Q2
D6
Foil side
Q3
D7
9O
6J
5D
4E
Q4
8K
9K
8J
D100
D101
D102
Q5
Q6
13
14
13
14
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TX-RX UNIT(X57-6020-10)
D101,104
RF AMP
ANTENNA SW
Q2
C25
R28
0
2SC5108(Y)F
D104
C140
C144
C147
C48
10p
TX FINAL
470p
HSC277
D101
10p
9p
10p
Q105
2SK2595-E
T:0.6V
R:0V
L8
TX DRIVE
C131
L110
3T
L111
4T
C137
L114
L115
L117
VCO TX
ANT
Q102
2SK2596-E
T:1.1V
R:0V
T:0.7V
R:0V
6.8u
C32
Q4
R118
0
C116
L107
33n
1000p
HSC277
1000p
5T
6T
5T
X1
2SK1875-F(V)
T:2.4V
R:2.4V
L77-1877-15
12.8MHz
D1,2
R107
3.9k
C108
12p
R112
18
C109
1000p
L103
27n
1000p
100p
T:2.2V
R:1.0V
T:2.9V
R:0V
R:0V
T:7.3V
FREQ.
CONTROL
RF AMP
T:0.6V
R:0V
T:2.5V
R:2.5V
RF BUFFER AMP
RF SW
D100
Q100
2SC5108(Y)F
Q6
C103
22p
C104
T:7.3V
R:0V
Q101
T:5.0V
R:4.9V
L6
2SC5108(Y)F
C47
33p
C100
15p
T:0.8V
R:0.1V
2SC4988-E
R:0V
T:1.7V
C44
0.5p
HSC277
1000p
6.8u
T:5.0V
R:0V
TX PRE-DRIVE
C5
R123
0
R29 4.7u6.3
R3
10
R:0V
T:0.4V
0
CV
R11
47k
DC SW
D5
Q5
2SJ243-A
VR1
68k
TX MODULATION
C4
UNLOCK
DETECT
R17
0.1u
D102,103
DC SW
100k
Q7
UMC4N
D7
R2
1k
R5
0
R7
0
R10
150
R13
150
L7
L9
VCO RX
2SK1875-F(V)
Q3
ANTENNA SW
L14
R27
1k
RF SW
6.8u
C33
MA2S111-F
L2
D3,4
C24
R16
68k
5T
5T
5T
MOD
MOD
FREQ.
CONTROL
R144
330
T:0V
R:4.2V
8.2u
680p
39p
DC SW
R136
R:4.8V
Q106
2SK1824-A
R125
3.3k
PHASE LOCKED
LOOP SYSTEM
L15
APC
APC
APC
150k(D)
C134
APC
VOLTAGE
LIMITER
RIPPLE FILTER
T:0V
R:1.7V
L5
APC
R14
100
6.8u
Q8
T:4.2V
R:4.2V
IC100
560n
2SC4617(S)
IC1
C28
100p
NJM2904V-ZB
DC SW
MB15A02PFV2E1
Q107
DTC114TE
33p
L17
1
2
3
4
8
7
6
5
T:0V
R:4.3V
Q109
DTA144EE
V+
C19
R8
330k
L16
R133
TEMPERATURE
PROTECTION SW
220n
0.01u
220n
T:0V
R:4.8V
TRIPLER
150k(D)
R142
1M
DC SW
CP1
1k*4
T:7.4V
Q1
CURRENT
STEERING
Q104
UFMMT717
2SC4649(N,P)
R134
R137
R138
GND
R:0.7V
B
B
B
B
R145
180k
R122
680
150k(D)
150k(D)
150k(D)
T:5.0V
5C
5C
Q103
2SK1824-A
2nd Local
TO
2nd Local
2nd Local
2nd Local
R126
680
TO
DC SW
5T
RX
RX
RX
PABC
5R
PABC
PABC
5R
PABC
5R
PABC
5R
PABC
5R
SB
5R
5R
T:5.0V
R406
2.2k
5RC
CF200
L72-0958-05
OUT IN
Q108
5T
5T
5T
5T
R:4.8V
Q402
DTA114YE
DTC114EE
R223
100
T:5.0V
R:0V
T:4.9V
R:2.2V
R:4.4V
R:3.6V
R:4.8V
R200
10
DC SW
T:4.9V
R:5.0V
2nd IF 450kHz
C301
DC SW
L401
C305
R303
3.3k
APC
APC
C414
0.01u(J)
TP2
0.018u
1000p
R201
1k
C205
390p
2nd LOCAL
38.4MHz
AUDIO AMP
ACTIVE FILTER
Q408
R317
DC SW
DTA123JE
T:0V
Q406
FP210
270k(D)
IC300
NJM2902V-ZB
DC SW
R:4.9V
1st IF 38.85MHz
IF AMP
EEPROM
R312
12k
VOLTAGE REGULATOR
T:7.4V
R:7.5V
B
B
R:3.6V
R202
390k
C206
330p
XF200
L71-0522-05
1
2
3
4
5
6
7
14
13
12
11
10
9
R304
Q201
2SC4649(N,P)
T:5.0V
R:5.0V
T:5.0V
R:5.0V
R:0.7V
R:4.4V
IC401
AT24C08A10SU18
R320
47k
R222
C243 L204
2p 0.75u
R213
0
R232
47
IC404
MIXER
XC6201P502PR
L201
1M
R302
R411
220k
R407
1k
R424
3.3k
R425
C309
R210
C214 OUT
IN
C221 R211
0.01u 470
T:7.4V
R:7.5V
Q202
3SK318
G2
0
1
2
3
4
8
R540
0
5M
VOUT
VIN
ACTIVE
FILTER
A0
VCC
WP
3.3k
0.01u(J)
470
0.01u
820n
IF SYSTEM
D
S
Q203
3SK318
VSS
7
6
5
5.6k
L211
33n
C262
C254
1.5p
C257
1.5p
R217
0
C264
1000p
A1
IC200
IC301
NJM2904V-ZB
VDD
VSS
TA31136FNG
MIXER
RF AMP
G1
1000p
A2
SCL
SDA
C303
1
2
3
4
8
7
6
5
R:0.2V
R240
0
C261
15p
GND
C312
C316
0.1u
V+
DC SW
DC SW
C412
BPF TUNING
R220
560
0.01u(J)
0.01u(J)
8
R:1.1V
10p
DC SW
R:0.9V
R401
R405
R311
0
R318
BEAT
QT/DQT
SHIFT SW
Q405
C210
0.01u
C212
T:1.9V
100k
1k
180k
UPA672T-A
T:0V
R:4.4V
Q403
DTC144EE
GND
R:1.8V
R340
C338
15p
T:1.9V
R:1.9V
5R
RESET SW
R321
22k
R207
100k
120k(D)
56p
DC SW
IC400
BPF TUNING
R307
47k
BD4840G-TR
R323
Q200
DTA114EE
VOLTAGE DETECT
T:5.0V
R:5.0V
4
5
3
2
1
C415
10p
NC1 GND
VDD
R412 L403
100k
IC402
R3111N451C-F
C321
C320
5M
Q300
2SC4617(S)
D203-205
10
220n
Q303
DTA144EE
5
0.033u(J)
R326
0.033u(J)
R:2.1V
R404
0
BPF TUNING
1
NC2 VoUT
oUT NC2
ACTIVE
FILTER
2
5MS
DC SW
VDD
4
SAVE
5TC
WNRC
VCCN
3
D300
DA221
5.6k(D)
R233
100k
GND NC1
W:4.8V
N:0V
R:2.0V
T:4.5V
R:4.8V
5.0V
TP3
T:2.3V
R:2.3V
C420
C418 0.01u 0.01u
0.01u
C422
AUDIO
MUTE SW
LIMITER
R6
1k
C425
0.01u
R:2.0V
5R
R417
10
WNTC
Q302
2SK1824-A
R:3.8V
R:150MHz 1.0V
175MHz 2.8V
AF
AF
R341
100k
T:4.9V
R:5.0
LED TX
LED BUSY
50
26
WNRC
WNRC
TIBI
5MS
TIBI
TIBI
51
25
5MS
5MS
TI
BUSY
5MS
5MS
5MS
B
5MS
B
5MS
B
TI
TI
TI
7.5V
DC SW
DC SW
Q400
DTC114EE
MONI
SELF
BUSY
BUSY
BUSY
B
BUSY
B
R:5.0V
T:4.9V
R:5.0V
T:0V
F500
3.0A
Q401
DTC114EE
R548
3.3k
L501
B
B
DT
CK
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
APC
TXD
PTT
RXD
TXD
PTT
TXD
PTT
REVERSE
PROTECTION
LE
R418
2.2k
DC SW
Q504
TO
BEEP
MONI
PTT
MICROPROCESSOR
DTA143ZE
C327
5MC
T:4.8V
IC302
TA7368FG
AUDIO MUTE SW
AFCO
IC403
38268MCA060GU
0.1u
R:3.4V
R:3.4V
ACTIVE
FILTER
MIC AMP/LIMITER
RX
ACTIVE
FILTER
T:3.0V
T:3.0V
Q307
R536
1k
GLED
RLED
SAVE
R502
82k
C503
DC SW
IC500
C337
R524
51k
1
10
9
2SK1588-AZ
NJM2100V-ZB
R514
33k
Q502
2SC4617(S)
R519
33k
Q305
2SA1362-F(GR)
NC1
PoUT
APC
VCCN
0.033u
Q501
2SC4617(S)
R:4.7V
T:0V
T:0V
R:4.6V
2
3
4
5
100u6.3
5
6
7
8
4
3
2
1
R537
100
R539
0
MUTE
VCC PW-GND
5RC
R413
1k
J500
V-
T:4.9V
R:5.0V
8
PTT
MIC
T:2.7V
T:2.7V
5TC
BATT
BUSY
TI
C516
10p
NC2
T:1.3V
PRE-GND
R327
0
7
C330
100p
C514
0.047u
R523
6.8k
R508
1k
C507
2.2u4
R510
3.3k
C509
R515
33k
C511
C512
R520
33k
C520
C524
C525
0.1u
L500
VIN
PHASE
NF
TIBI
R538
100
5MS
AFG
TXD
CHANNEL SWITCH
POWER SWITCH
AUDIO VOLUME
6
0.1u
15k
C533
R513
3300p
0.047u
3300p
0.022u
0.027u
RIPPLE
V+
VC2
VC1
R500
4.7k
R501
4.7k
C504
C505
R506
820
TO
R332
150
C332
10u6.3
75
1
4.7u6.3
1u
NC
SP
AUDIO POWER AMP
C331
R:7.5V
DC SW
C334
220p
T:2.5V
AGC
DETECT
MIC MUTE
/AGC SW
76
100
R503
6.8k
W:0V
N:5V
Q500
2SK1824-A
CN400
10
R525
1.5k
C518
R333
5.0V
D500
1SS372F
D501
DAN222
ENC2
ENC3
SB
VR500
68k
L400
220n
C413
L402
220n
0.022u(J)
470k
R:7.1V
9
8
7
6
5
4
3
2
1
R530
100
DC SW
Q304
DTC144EE
DC SW
C333
1000p
TO
TO
B
R532
820
Q503
2SC4919
MIC MUTE
/AGC
0.47u
T:2.6V
R:2.6V
Q306
DTC144EE
B
B
ENC1
ENC0
TO VOLUME
TO AF AMP
0.47u
WNTC
WNTC
TO VOLUME
WNTC
TO VOLUME
WNTC
MIC500
C532
470p
MUTE
AFCO
MUTE
AFCO
MUTE
AFCO
MUTE
AFCO
MUTE
AFCO
R430
AFCO
SB
AFCO
100
RX
SB
RX
SB
RX
SB
RX
SB
RX
SB
R431
SB
TO AF AMP
TO AF AMP
TO AF AMP
TO AF AMP
TO AF AMP
TO AF AMP
0
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D5
1SV214
-F
Q2
2SC5108
(Y)F
D101
D104
HSC277
x2
Q4
2SK1875
-F(V)
Q6
2SC5108
(Y)F
Q100
2SC5108
(Y)F
Q101
2SC4988
-E
Q102
2SK2596
-E
Q105
2SK2595
-E
D1,D2
1SV283F
x2
IC1
MB15A02PFV2E1
Q8,D6
Q5,Q7
2SJ243
-A
D3,D4
1SV283F
x2
Q3
2SK1875
-F(V)
2SC4617
(S)
X1
L77-1877
-15
MA2S111
-F
UMC4
IC100
NJM2904
V-ZB
Q403
DTC
144EE
Q104
Q103
UFMMT717
2SK1824
-A
Q106
2SK1824
-A
Q108
DTC
114EE
Q107
DTC
114EE
IC403
38268MCA060GU
IC200
TA31136FNG
Q201
2SC4649
(N,P)
Q202
3SK318
Q203
3SK318
Q1
2SC4649
(N,P)
L203,L214
D201,D202
L208,L209,
L210
D203,D204,
D205
IC401
AT24CO8A
10SU18
Q302
2SK1824
-A
Q307
2SK1588
-AZ
IC302
TA7368FG
IC402
R3111N
451C-F
IC400
BD4840G
-TR
NJM2904V-ZB
Q305
2SA1362
-F(GR)
D300
DA221
IC404
XC6201
P502PR
NJM2902V-ZB
D502
1SR154
-400
Q405
UPA
672T-A
Q501
2SC4617
(S)
Q502
2SC4617
(S)
IC500
NJM2100V
-ZB
Q500
2SK1824
-A
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