ANALOG AUDIO DISTRIBUTION BOARD
BKPF-L753A
MAINTENANCE MANUAL
1st Edition (Revised 1)
Serial No. 10001 and Higher
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Table of Contents
Manual Structure
Purpose of this manual ........................................................................................ 3 (E)
Contents ............................................................................................................... 3 (E)
Related manuals................................................................................................... 3 (E)
1. Service Overview
1-1. Notes on Repair Parts ............................................................................1-1 (E)
1-2. IC Link Replacement ............................................................................1-1 (E)
1-3. Shield Case (S/N10001 through S/N17325) .........................................1-1 (E)
1-4. Name and Function of Switch/Indicator/etc. ........................................1-2 (E)
1-5. Unleaded Solder ....................................................................................1-3 (E)
2. Electrical Alignment
2-1. Electrical Alignment Overview.............................................................2-1 (E)
2-1-1. Required Equipment and Tools............................................2-1 (E)
2-1-2. Connection ...........................................................................2-1 (E)
2-2. Preparation of Adjustment ....................................................................2-2 (E)
2-3. Input/Output Gain Adjustment..............................................................2-2 (E)
2-4. CMRR (Common Mode Rejection Ratio) Adjustment.........................2-3 (E)
2-5. Input/Output Gain Adjustment for Customer Setting ...........................2-3 (E)
3. Spare Parts
ADA-55 .................................................................................................................. 3-1
CN-1855/1856 ........................................................................................................ 3-4
DD-36 ..................................................................................................................... 3-4
4. Semiconductor Pin Assignments
5. Block Diagram
Overall .................................................................................................................... 5-1
BKPF-L753A
1 (E)
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6. Schematic Diagrams
ADA-55 .................................................................................................................. 6-2
CN-1855/1856 ........................................................................................................ 6-3
DD-36 ..................................................................................................................... 6-4
7. Board Layouts
ADA-55 .................................................................................................................. 7-1
DD-36 ..................................................................................................................... 7-2
BKPF-L753A
2 (E)
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Manual Structure
Purpose of this manual
This manual is the maintenance manual of Analog Audio Distribution Board
BKPF-L753A.
This manual is intended for use by trained system and service engineers, and
describes the information for periodic maintenance and detailed service.
Contents
This manual is organized by following sections.
Section 1 Service Overview
This section explains the notes on repair parts and IC link replacement.
Section 2 Electrical Alignment
This section explains the adjustment after replacing part.
Section 3 Spare Parts
This section describes the spare parts.
Section 4 Semiconductor Pin Assignments
This section describes the pin assignments of semiconductor.
Section 5 Block Diagram
This section describes the overall block diagram.
Section 6 Schematic Diagrams
This section describes the schematic diagrams of the ADA-55, DD-36 and
CN-1855/1856 boards.
Section 7 Board Layouts
This section describes the board layouts for the ADA-55 and DD-36 boards.
Related manuals
The following manual is prepared for this unit.
. Installation Manual (Supplied with BKPF-L753A)
This manual describes the information on BKPF-L753A installing.
BKPF-L753A
3 (E)
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Section 1
Service Overview
1-1. Notes on Repair Parts
1-2. IC Link Replacement
1. Safety Related Components Warning
w
w
An IC link is critical parts to safe operation.
Replace this component with Sony parts whose part
numbers appear in this manual published by Sony.
If not, this may cause a fire or electric shock.
Be sure to use the specified component in this manual.
Components marked ! are critical to safe operation.
Therefore, specified parts should be used in the case of
replacement.
2. Standardization of Parts
Some repair parts supplied by Sony differ from those
used for the unit. These are because of parts common-
ality and improvement.
The IC link is mounted on the ADA-55 board. Be sure to
replace with the specified IC link as shown below after
removing the foreign substances that may cause the shorts.
Parts list has the present standardized repair parts.
ADA-55 Board
3. Stock of Parts
Ref No. (Address)
Description
Part No.
Parts marked with “o” at SP (Supply code) column of
the spare parts list may not be stocked. Therefore, the
delivery date will be delayed.
PS1 (K-3)
IC link 2 A
!1-533-282-21
1-3. Shield Case
4. Units Representation
The following represented units are changed or
omitted in writing.
(S/N10001 through S/N17325)
The shield case is a component to shield the DD-36 board.
Before checking the DD-36 board, unsolder and remove
this shield case.
Units
Representation
Capacitance
Inductance
Resistance
uF
uH
Z
uF
uH
Shield case
Abbreviation
n
For the replacement of the ADA-55 board, please buy
BKPF-L753A because ADA-55 mounted circuit board is
not prepared for spare parts.
ADA-55 board
DD-36 board
BKPF-L753A
1-1 (E)
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1-4. Name and Function of Switch/Indicator/etc.
1-4. Name and Function of Switch/Indicator/etc.
6
7
8
S1
S2
1
COR2
RV4
D1
2
3
MO
ST
COR3
COR1
4
5
RV3
Main Board (ADA-55 Board: Side A)
Switches/shorting plugs (Factory default settings are indicated by a \ mark)
No. Ref. No. Name
Function
7
8
4
S1
S2
AUDIO 1 600 Z
Selects the input impedance of the signal input to the AUDIO 1 connector.
OFF: 20 kZ
\ ON:
600 Z
AUDIO 2 600 Z
Selects the input impedance of the signal input to the AUDIO 2 connector.
OFF: 20 kZ
\ ON: 600 Z
COR1 AUDIO 2 GAIN
COR2 AUDIO 1 GAIN
Selects an input/output gain of the signal input to the AUDIO 2 connector.
(Valid only when COR3 is set to ST.)
+8 dB
+4 dB
\0 dB
_4 dB
_8 dB
1
6
Selects an input/output gain of the signal input to the AUDIO 1 connector.
+8 dB +4 dB \0 dB _4 dB _8 dB
COR3 MONAURAL/STEREO Selects monaural or stereo mode of the analog audio signal input/output.
MO (Monaural): The signal input to the AUDIO 1 connector is distributed to eight outputs
\ ST (Stereo):
The each signal input to the AUDIO 1 and AUDIO 2 connectors is distributed to
four outputs
Indicator
No. Ref. No. Name
Color
Function
3
D1
POWER
Green/red
Green: A power supply of ±12 V is normal
Red: A power supply of ±12 V is abnormal
Gain adjusting VR
No. Ref. No. Name
Function
5
2
RV3
RV4
AUDIO 2 FINE VR
AUDIO 1 FINE VR
Adjusts the gain of the signal input to AUDIO 2 connector within the ±2 dB range.
Adjusts the gain of the signal input to AUDIO 1 connector within the ±2 dB range.
n
At the factory-out, the gain adjusting VRs were adjusted to 0 dB. (the standard level +4 dBm)
BKPF-L753A
1-2 (E)
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1-5. Unleaded Solder
1-5. Unleaded Solder
Boards requiring use of unleaded solder are printed with a
lead free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come
printed with the lead free mark due to their particular size.)
: LEAD FREE MARK
m
. Be sure to use the unleaded solder for the printed circuit
board printed with the lead free mark.
. The unleaded solder melts at a temperature about 40 dC
higher than the ordinary solder, therefore, it is recom-
mended to use the soldering iron having a temperature
regulator.
. The ordinary soldering iron can be used but the iron tip
has to be applied to the solder joint for a slightly longer
time. The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful.
BKPF-L753A
1-3 (E)
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Section 2
Electrical Alignment
2-1. Electrical Alignment Overview
2-1-1. Required Equipment and Tools
Use the equipment listed below or the equivalent.
Item
Model
Remarks
Extension board
EX-731 (Part No. A-8322-598-A)
Audio signal generator *
Audio level meter *
Interface unit
Tektronix SG505 (Option-02)
—
Sony PFV-L1 or PFV-L10
—
Adjustment screwdriver
Resister (600 Z , within 1 %)
Insulation type
with lead
*: Use the equipment after calibration has been completed.
2-1-2. Connection
PFV-L1/L10 (Side)
PFV-L1/L10 (Rear)
ADA-55 board
Extension board EX-731
BKPF-L753A
AUDIO
1
AUDIO
2
Analog audio signal generator
(At CMMR adj.)
(At Gain adj.)
+
+
+
OUTPUT
_
+
COM
_
_
OUTPUT
IN
IN
_
G
G
COM
+OUT
+
_
_
1
2
1
G
+
_
G
+
_
2
G
+
_
G
G
+
_
G
3
4
3
4
+
_
+
_
Audio level mater
G
G
+
600 Z
INPUT
_
L753A
BKPF-L753A
2-1 (E)
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2-2. Preparation of Adjustment
2-3. Input/Output Gain Adjustment
2-3. Input/Output Gain Adjustment
2-2. Preparation of Adjustment
Measuring equipment: Audio level meter
1. Extend the ADA-55 board with a extension board.
2. Write the customer settings of the shorting plugs
(COR1, COR2, and COR3) and switches (S1, and S2)
on the ADA-55 board down in following table.
1. Set the output of the generator to +4.0 dBm, 1 kHz.
(0 dBm = 0.775 Vrms)
3. Set their shorting plugs and switches as follows:
CH1 adjustment
2. Connect the audio signal generator to the input of CH1
connector.
3. Connect the audio level meter to one output of CH1
connector.
4. Check that COR2 (A-1) is set to 0 dB.
If not, set it to 0 dB.
Ref. No. (Address) Setting at adj.
Customer setting
COR1 (A-3)
COR2 (A-1)
COR3 (C-2)
S1 (D-1)
0 dB
0 dB
ST (STEREO)
ON (600 Z)
ON (600 Z)
S2 (D-2)
5. Adjust the CH1 output level on the audio level meter.
Adjustment point: 1RV4/ADA-55 (A-2)
4. Turn on the power of equipment (the signal generator,
audio level meter, and interface unit PFV-L1 or
PFV-L10), and warm up them for about ten minutes.
5. Attach the 600 Z resister for termination to the audio
level meter.
Specification:
4.0 ±0.1 dBm (at 600 Z load)
CH2 adjustment
6. Connect the audio signal generator to the input of CH2
connector.
7. Connect the audio level meter to one output of CH2
connector.
S1
8. Check that COR1 (A-3) is set to 0 dB.
If not, set it to 0 dB.
9. Adjust the CH2 output level on the audio level meter.
RV1
1
COR2
S2
RV2
1
RV4
MO
ST
D1
COR3
Adjustment point: 1RV3/ADA-55 (A-3)
COR1
Specification:
4.0 ±0.1 dBm (at 600 Z load)
RV3
ADA-55 Board (Side A)
BKPF-L753A
2-2 (E)
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2-4. CMRR (Common Mode Rejection Ratio) Adjustment
2-5. Input/Output Gain Adjustment for Customer Setting
2-4. CMRR (Common Mode Rejection
Ratio) Adjustment
2-5. Input/Output Gain Adjustment for
Customer Setting
Measuring equipment: Audio level meter
n
When the audio gain (COR1 or COR2) is not 0 dB, be sure
1. Set the output of the generator to +15.0 dBm, 60 Hz.
to perform this adjustment.
CH2 adjustment
Measuring equipment: Audio level meter
2. Connect the audio signal generator to the input of CH2
connector.
3. Connect the audio level meter to one output of CH2
connector.
1. Reset the shorting plugs (COR1 and COR2) on the
ADA-55 board to customer settings.
4. Adjust the CH2 output level on the audio level meter.
Adjustment point: 1RV2/ADA-55 (C-2)
CH1 adjustment
2. Set the output of the generator to the customer setting
of COR1 as follows:
Specification:
Less than _65 dBm (at 600 Z load)
COR1/COR2 customer setting
Output signal
CH1 adjustment
_8 dB
_4 dB
(0 dB)
+4 dB
+8 dB
+12.0 dBm, 1 kHz
+8.0 dBm, 1 kHz
(+4.0 dBm, 1 kHz)
0.0 dBm, 1 kHz
5. Connect the audio signal generator to the input of CH1
connector.
6. Connect the audio level meter to one output of CH1
connector.
7. Adjust the CH1 output level on the audio level meter.
_4.0 dBm, 1 kHz
(0 dBm = 0.775 Vrms)
Adjustment point: 1RV1/ADA-55 (C-1)
Specification:
Less than _65 dBm (at 600 Z load)
3. Connect the audio signal generator to the input of CH1
connector.
4. Connect the audio level meter to one output of CH1
connector.
5. Adjust the CH1 output level on the audio level meter.
Adjustment point: 1RV4/ADA-55 (A-2)
Specification:
4.0 ±0.1 dBm (at 600 Z load)
CH2 adjustment
6. Set the output of the generator to the customer setting
of COR2. (Refer to table in step 2.)
7. Connect the audio signal generator to the input of CH2
connector.
8. Connect the audio level meter to one output of CH2
connector.
9. Adjust the CH2 output level on the audio level meter.
Adjustment point: 1RV3/ADA-55 (A-3)
Specification:
4.0 ±0.1 dBm (at 600 Z load)
10. After turning off the power, reset the shorting plug
(COR3) and switches (S1 and S2) on the ADA-55
board to the customer settings.
BKPF-L753A
2-3 (E)
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Section 3
Spare Parts
------------
ADA-55 BOARD
------------
(ADA-55 BOARD)
Ref. No.
*1:[Board No. suffix -11,12]
*2:[Board No. suffix -14]
or Q'ty Part No.
SP Description
C44
C45
C46
C47
C48
1-107-781-11 s ELECT, NONPOLAR 47uF 20% 16V
1-107-781-11 s ELECT, NONPOLAR 47uF 20% 16V
1-163-227-11 s CERAMIC, CHIP 10pF 5% 50V (2012)
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
Ref. No.
or Q'ty Part No.
SP Description
1pc
3-179-084-01 s LEVER (R), PC BOARD
or 3-179-085-01 s LEVER (L), PC BOARD
3-194-617-01 o HEAT SINK
1pc
C49
C50
C51
C52
C53
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-163-227-11 s CERAMIC, CHIP 10pF 5% 50V (2012)
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1pc
3-203-115-01 o CASE, SHIELD (for DD1)
7-685-547-14 s SCREW +BTP 3x10
2pcs
8pcs
7-682-948-01 s SCREW +PSW 3x8
C1
C2
C3
C4
C5
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-391-11 s ELECT, CHIP 47uF 20% 6.3V
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C54
C55
C56
C57
C58
1-163-227-11 s CERAMIC, CHIP 10pF 5% 50V (2012)
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-163-227-11 s CERAMIC, CHIP 10pF 5% 50V (2012)
C6
C7
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-163-113-00 s CERAMIC, CHIP 68pF 5% 50V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C59
C60
C61
C62
C63
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C8
C9
C10
C11
C12
C13
C14
C15
1-163-113-00 s CERAMIC, CHIP 68pF 5% 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
C64
C65
C66
C67
C68
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C16
C17
C18
C19
C20
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
C69
C70
C71
C72
C73
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
C74
C75
C76
C77
C78
1-107-420-11 s ELECT, CHIP 47uF 20% 35V
1-107-420-11 s ELECT, CHIP 47uF 20% 35V
1-107-420-11 s ELECT, CHIP 47uF 20% 35V
1-107-420-11 s ELECT, CHIP 47uF 20% 35V
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
C21
C22
C23
C24
C25
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
C79
C80
C81
C82
C83
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
C26
C27
C28
C29
C30
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C84
C85
C86
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
1-163-241-11 s CERAMIC, CHIP 39pF 5% 50V (2012)
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
C31
C32
C33
C34
C35
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C87
C88
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
C89
*2 1-117-681-11 s CAPACITOR, ELECT 100MF/16V
*1 1-128-397-21 s ELECT 100uF 20% 16V
C36
C37
C38
C39
C40
1-163-224-11 s CERAMIC, CHIP 7pF 50V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
1-126-396-11 s ELECT, CHIP 47uF 20% 16V
C90
C91
C92
C93
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
C41
C42
C43
1-163-235-11 s CERAMIC, CHIP 22pF 5% 50V (2012)
1-107-781-11 s ELECT, NONPOLAR 47uF 20% 16V
1-107-781-11 s ELECT, NONPOLAR 47uF 20% 16V
C94
C95
C96
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
BKPF-L753A
3-1
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(ADA-55 BOARD)
(ADA-55 BOARD)
Ref. No.
Ref. No.
or Q'ty Part No.
SP Description
or Q'ty Part No.
SP Description
C97
C98
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
1-164-346-11 s CERAMIC, CHIP 1.0uF 16V (2012)
(S/N 10001 to 11870)
Q28
Q29
Q30
Q31
Q32
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-207-89 s TRANSISTOR 2SA1358-Y
8-729-207-82 s TRANSISTOR 2SC3421-Y
8-729-207-89 s TRANSISTOR 2SA1358-Y
8-729-207-82 s TRANSISTOR 2SC3421-Y
CN101
1-506-746-11 s CONNECTOR, DIN 48P, MALE
COP1
COP2
COP3
1-562-579-11 s PLUG, SHORTING
1-562-579-11 s PLUG, SHORTING
1-562-579-11 s PLUG, SHORTING
Q33
Q34
Q35
Q36
Q37
8-729-207-89 s TRANSISTOR 2SA1358-Y
8-729-207-82 s TRANSISTOR 2SC3421-Y
8-729-207-89 s TRANSISTOR 2SA1358-Y
8-729-207-82 s TRANSISTOR 2SC3421-Y
8-729-425-05 s TRANSISTOR UN2221
COR1
COR2
COR3
1-691-506-11 s CONNECTOR, 10P, MALE
1-691-506-11 s CONNECTOR, 10P, MALE
1-564-948-11 o CONNECTOR, 3P, MALE
R1
R2
R3
R4
R5
1-216-639-11 s METAL, CHIP 330 0.5% 1/10W (2012)
1-216-623-11 s METAL, CHIP 68 0.5% 1/10W (2012)
1-216-639-11 s METAL, CHIP 330 0.5% 1/10W (2012)
1-216-623-11 s METAL, CHIP 68 0.5% 1/10W (2012)
1-216-687-11 s METAL, CHIP 33K 0.5% 1/10W (2012)
D1
8-719-027-84 s LED CL-155UR/G-D, RED/GRN
DD36 *2 1-475-611-11 s CONVERTER UNIT, DC-DC
IC1
IC2
IC3
IC4
IC5
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
R6
R7
1-216-687-11 s METAL, CHIP 33K 0.5% 1/10W (2012)
1-216-679-11 s METAL, CHIP 15K 0.5% 1/10W (2012)
1-216-635-11 s METAL, CHIP 220 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-635-11 s METAL, CHIP 220 0.5% 1/10W (2012)
R8
R9
R10
IC6
IC7
IC8
IC9
IC10
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
8-759-700-96 s IC NJM5534M
R11
R12
R13
R14
R15
1-216-678-11 s METAL, CHIP 13K 0.5% 1/10W (2012)
1-216-679-11 s METAL, CHIP 15K 0.5% 1/10W (2012)
1-216-675-11 s METAL, CHIP 10K 0.5% 1/10W (2012)
1-216-675-11 s METAL, CHIP 10K 0.5% 1/10W (2012)
1-218-367-11 s METAL, CHIP 10K 0.1% 1/16W (2012)
IC11
8-759-990-63 s IC PCF8574AT
R16
R17
R18
R19
R20
1-218-367-11 s METAL, CHIP 10K 0.1% 1/16W (2012)
1-218-367-11 s METAL, CHIP 10K 0.1% 1/16W (2012)
1-218-367-11 s METAL, CHIP 10K 0.1% 1/16W (2012)
1-218-366-11 s METAL, CHIP 3.3K 0.1% 1/10W (2012)
1-218-366-11 s METAL, CHIP 3.3K 0.1% 1/10W (2012)
(S/N 10001 to 11870)
L1
L2
L3
1-424-643-11 s COIL, CHOKE 10uH
1-424-643-11 s COIL, CHOKE 10uH
1-424-643-11 s COIL, CHOKE 10uH
R21
R22
R23
R24
R25
1-216-659-11 s METAL, CHIP 2.2K 0.5% 1/10W (2012)
1-218-366-11 s METAL, CHIP 3.3K 0.1% 1/10W (2012)
1-218-366-11 s METAL, CHIP 3.3K 0.1% 1/10W (2012)
1-216-659-11 s METAL, CHIP 2.2K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
PS1
! 1-533-282-21 s LINK, IC, CHIP 2A
Q1
Q2
Q3
Q4
Q5
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
R26
R27
R28
R29
R30
1-216-619-11 s METAL, CHIP 47 0.5% 1/10W (2012)
1-216-619-11 s METAL, CHIP 47 0.5% 1/10W (2012)
1-216-619-11 s METAL, CHIP 47 0.5% 1/10W (2012)
1-216-619-11 s METAL, CHIP 47 0.5% 1/10W (2012)
1-216-659-11 s METAL, CHIP 2.2K 0.5% 1/10W (2012)
Q6
Q7
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
Q8
Q9
R31
R32
R33
R34
R35
1-216-659-11 s METAL, CHIP 2.2K 0.5% 1/10W (2012)
1-216-603-11 s METAL, CHIP 10 0.5% 1/10W (2012)
1-216-603-11 s METAL, CHIP 10 0.5% 1/10W (2012)
1-216-669-11 s METAL, CHIP 5.6K 0.5% 1/10W (2012)
1-216-669-11 s METAL, CHIP 5.6K 0.5% 1/10W (2012)
Q10
Q11
Q12
Q13
Q14
Q15
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
R36
R37
R38
R39
R40
1-216-686-11 s METAL, CHIP 30K 0.5% 1/10W (2012)
1-216-682-11 s METAL, CHIP 20K 0.5% 1/10W (2012)
1-216-677-11 s METAL, CHIP 12K 0.5% 1/10W (2012)
1-216-668-11 s METAL, CHIP 5.1K 0.5% 1/10W (2012)
1-216-668-11 s METAL, CHIP 5.1K 0.5% 1/10W (2012)
Q16
Q17
Q18
Q19
Q20
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
R41
R42
R43
R44
R45
1-216-663-11 s METAL, CHIP 3.3K 0.5% 1/10W (2012)
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-686-11 s METAL, CHIP 30K 0.5% 1/10W (2012)
1-216-682-11 s METAL, CHIP 20K 0.5% 1/10W (2012)
1-216-677-11 s METAL, CHIP 12K 0.5% 1/10W (2012)
Q21
Q22
Q23
Q24
Q25
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
R46
R47
R48
R49
R50
1-216-668-11 s METAL, CHIP 5.1K 0.5% 1/10W (2012)
1-216-668-11 s METAL, CHIP 5.1K 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
Q26
Q27
8-729-216-22 s TRANSISTOR 2SA1162-G
8-729-120-28 s TRANSISTOR 2SC1623-L5L6
3-2
BKPF-L753A
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(ADA-55 BOARD)
(ADA-55 BOARD)
Ref. No.
Ref. No.
or Q'ty Part No.
SP Description
or Q'ty Part No.
SP Description
R51
R52
R53
R54
R55
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-663-11 s METAL, CHIP 3.3K 0.5% 1/10W (2012)
1-216-667-11 s METAL, CHIP 4.7K 0.5% 1/10W (2012)
R111
R112
R113
R114
R115
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
R56
R57
R58
R59
R60
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
R116
R117
R118
R119
R120
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
R61
R62
R63
R64
R65
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-667-11 s METAL, CHIP 4.7K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
R121
R122
R123
R140
R141
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-639-11 s METAL, CHIP 330 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
R66
R67
R68
R69
R70
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
R142
R143
R144
R145
R146
1-216-603-11 s METAL, CHIP 10 0.5% 1/10W (2012)
1-216-639-11 s METAL, CHIP 330 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-603-11 s METAL, CHIP 10 0.5% 1/10W (2012)
1-216-649-11 s METAL, CHIP 820 0.5% 1/10W (2012)
R71
R72
R73
R74
R75
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
1-216-611-11 s METAL, CHIP 22 0.5% 1/10W (2012)
R147
R148
R149
1-216-649-11 s METAL, CHIP 820 0.5% 1/10W (2012)
1-216-699-11 s METAL, CHIP 100K 0.5% 1/10W (2012)
1-216-699-11 s METAL, CHIP 100K 0.5% 1/10W (2012)
(S/N 10001 to 11870)
R201
R202
1-216-615-11 s METAL, CHIP 33 0.5% 1/10W (2012)
(S/N 10001 to 10290)
R76
R77
R78
R79
R80
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-662-11 s METAL, CHIP 3.0K 0.5% 1/10W (2012)
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-615-11 s METAL, CHIP 33 0.5% 1/10W (2012)
(S/N 10001 to 10290)
RB2
RV1
1-236-907-11 s RES, NETWORK, CHIP 100Kx4 (3216)
(S/N 10001 to 11870)
R81
R82
R83
R84
R85
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-655-11 s METAL, CHIP 1.5K 0.5% 1/10W (2012)
1-216-629-11 s METAL, CHIP 120 0.5% 1/10W (2012)
1-216-629-11 s METAL, CHIP 120 0.5% 1/10W (2012)
1-227-144-21 s RES, ADJ, 50
(S/N 10291 and Higher)
1-237-028-11 s RES, ADJ, CERMET 20
(S/N 10001 to 10290)
RV2
1-227-144-21 s RES, ADJ, 50
(S/N 10291 and Higher)
R86
R87
R88
R89
R90
1-216-629-11 s METAL, CHIP 120 0.5% 1/10W (2012)
1-216-629-11 s METAL, CHIP 120 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-237-028-11 s RES, ADJ, CERMET 20
(S/N 10001 to 10290)
RV3
RV4
1-230-749-21 s RES, ADJ, CERMET 5K
1-230-749-21 s RES, ADJ, CERMET 5K
S1
S2
*2 1-771-709-31 s SWITCH, SLIDE
*1 1-553-977-00 s SWITCH, SLIDE
*2 1-771-709-31 s SWITCH, SLIDE
*1 1-553-977-00 s SWITCH, SLIDE
R91
R92
R93
R94
R95
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
1-216-681-11 s METAL, CHIP 18K 0.5% 1/10W (2012)
R96
R97
R98
R99
R100
1-216-298-00 s METAL, CHIP 2.2 5% 1/10W (2012)
1-216-298-00 s METAL, CHIP 2.2 5% 1/10W (2012)
1-216-298-00 s METAL, CHIP 2.2 5% 1/10W (2012)
1-216-298-00 s METAL, CHIP 2.2 5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
R101
R102
R103
R104
R105
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
R106
R107
R108
R109
R110
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-651-11 s METAL, CHIP 1.0K 0.5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
1-216-308-00 s METAL, CHIP 4.7 5% 1/10W (2012)
BKPF-L753A
3-3
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------------------
CN-1855/1856 BOARD
------------------
Ref. No.
------------------------------------
DD-36 BOARD ;For S/N 10001-S/N 17325
------------------------------------
or Q'ty Part No.
SP Description
*1:[Board No. suffix -11]
*2:[Board No. suffix -12]
1pc
3-202-610-02 o PANEL (753A), CN
3-686-054-02 o STUD, SUPPORT, PC BOARD
7-621-775-10 s SCREW +B 2.6x4
2pcs
4pcs
2pcs
Ref. No.
or Q'ty Part No.
SP Description
7-688-002-11 s WASHER 2.6, MIDDLE
1pc
A-8322-755-A o MOUNTED CIRCUIT BOARD, DD-36
The components in the connector panel assembly of
BKPF-L753A are out of spare parts except above.
When component replacement (except above) is required,
replace by assembly (including CN-1855/1856 mounted
circuit boards) below.
C1
C2
C3
C4
C5
1-115-339-11 s CERAMIC, CHIP 0.1uF 10% 50V (2012)
1-164-182-11 s CERAMIC, CHIP 0.033uF 10% 50V(2012)
1-126-394-11 s ELECT, CHIP 10uF 20% 16V
1-109-982-11 s CERAMIC, CHIP 1.0uF 10% 10V (2012)
1-164-182-11 s CERAMIC, CHIP 0.033uF 10% 50V(2012)
A-8322-760-A o CN PANEL (753A) ASSY
C6
1-109-982-11 s CERAMIC, CHIP 1.0uF 10% 10V (2012)
1-109-982-11 s CERAMIC, CHIP 1.0uF 10% 10V (2012)
1-127-518-11 s ALUMN SOLID 100uF 20% 16V
1-127-518-11 s ALUMN SOLID 100uF 20% 16V
1-127-518-11 s ALUMN SOLID 100uF 20% 16V
C7
C8
C10
C11
C13
1-115-339-11 s CERAMIC, CHIP 0.1uF 10% 50V (2012)
CN1
CN2
1-793-560-11 o CONNECTOR, PC BOARD, 7P, MALE
1-793-561-11 o CONNECTOR, PC BOARD, 9P, MALE
D1
D2
D3
D4
8-719-065-59 s DIODE MBR0530T1
8-719-065-59 s DIODE MBR0530T1
8-719-065-59 s DIODE MBR0530T1
8-719-065-59 s DIODE MBR0530T1
IC1
8-759-466-72 s IC MAX742CWP
L1
L2
1-469-541-11 s COIL, CHOKE 47uH
1-469-541-11 s COIL, CHOKE 47uH
Q1
Q2
8-729-045-16 s TRANSISTOR SI4410DY
8-729-045-53 s TRANSISTOR SI4431DY
R1
*2 1-208-758-11 s RESISTOR,CHIP 100 1/10W (2012)
*1 1-216-627-11 s METAL, CHIP 100 0.5% 1/10W (2012)
1-219-706-11 s METAL, CHIP 0.1 1% 1W (6432)
1-219-706-11 s METAL, CHIP 0.1 1% 1W (6432)
R2
R3
3-4
BKPF-L753A
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Index
Section 4
Semiconductor Pin Assignments
Semiconductors of which functions are equivalent are described
here. For parts replacement, refer to the section of Spare Parts in
this manual. The circuit diagram of each IC is obtained from the
IC data book published by the manufacturer.
DIODE
Page
LED
Page
TRANSISTOR
Page
IC
Page
MBR0530T1 ..................... 4-2
CL-155UR/G-D ................ 4-2
2SA1162G ....................... 4-2
2SA1358-Y ....................... 4-2
2SA812-T1-M5M6 ............ 4-2
2SC1623 .......................... 4-2
2SC1623-T1-L5L6 ........... 4-2
2SC3421-Y ...................... 4-2
MAX742CWP-TE2 ........... 4-3
NJM5534M....................... 4-3
NJM5534M(TE2) .............. 4-3
PCF8574AT ...................... 4-3
SI4410DY-T1-REVA ......... 4-2
SI4431DY-T1 .................... 4-2
UN2221 ............................ 4-2
UN2221-TX ...................... 4-2
BKPF-L753A
4-1
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Diode, LED, Transistor
DIODE
LED
TRANSISTOR
—TOP VIEW—
—TOP VIEW—
MBR0530T1
CL-155UR/G-D
2SA1162G
2SA812-T1-M5M6
SI4431DY-T1
8
7
1
6
2
5
3
4
RED
1
2
3
GREEN
S
4
2SA1358-Y
5
6
7
8
—TOP VIEW—
UN2221
(R1=2.2k,R2=2.2k)
UN2221-TX
R1
R2
—TOP VIEW—
2SC1623
2SC1623-T1-L5L6
2SC3421-Y
SI4410DY-T1-REVA
8
7
1
6
2
5
3
4
D
D
D
D
5
6
7
8
4
G
1
2
3
S
S
S
BKPF-L753A
4-2
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IC
IC
MAX742CWP-TE2 (MAXIM)
PCF8574AT (PHILIPS)
C-MOS REMOTE 8-BIT I/O EXPANDER
—TOP VIEW—
DUAL-OUTPUT, SWITCH-MODE REGURATOR
—TOP VIEW—
1
13
INPUT
A0
2
INT
A0 IN
A1 IN
A2 IN
P0 I/O
P1 I/O
P2 I/O
P3 I/O
1
2
3
4
5
6
7
8
VDD 16
15 SDA
12/
:
:
:
:
:
:
:
:
:
:
:
:
:
:
SELECTS VOUTS ( 15 V/ 12 V)
15
FB+
1
2
3
4
5
6
7
8
9
20 CSH+
A1
3
4
5
100/
SELECTS OSC FREQUENCY (200 kHz/100 kHz)
ANALOG SUPPLY VOLTAGE INPUT (+5 V)
INVERTING COMPENSATION CAPACITOR
STEP-UP COMPENSATION CAPACITOR
CURRENT SENSE HIGH (INVERTING SECTION)
CURRENT SENSE HIGH (STEP-UP SECTION)
CURRENT SENSE LOW (INVERTING SECTION)
CURRENT SENSE LOW (STEP-UP SECTION)
INVERTING SECTION FEEDBACK INPUT
STEP-UP FEEDBACK INPUT
200
A2
P0
P1
AV+
CC_
CC+
CSH_
CSH+
CSL_
CSL+
FB_
CC+
19 CSL+
14
6
SCL
P2
7
14 SCL
13 INT
A-GND
GND 18
P3
9
P4
10
11
12
15
AV+
17 EXT+
16 PUMP
15 PDRV_
14 EXT_
13 V+
P5
P6
12 P7 I/O
11 P6 I/O
10 P5 I/O
100/
200
P7
SDA
FB+
12/
15
VREF
SS
PDRV
SS
VOLTAGE INPUT
SOFT-START TIMING CAPACITOR
V+
HIGH-CURRENT SUPPLY VOLTAGE INPUT (+5 V)
GND
9
P4 I/O
OUTPUT
EXT_
:
:
:
PUSH-PULL OUTPUT
CC_
12 CSH_
11 CSL_
EXT+
PUSH-PULL OUTPUT
INPUT
A0 - A2
SCL
VREF
REFERENCE VOLTAGE OUTPUT
FB_ 10
;
ADDRESS INPUTS
;
SYSTEM CLOCK LINE
OUTPUT
CC+
2
100/
5
AV+
4
200
INT
;
INTERRUPT OUTPUT
SERIAL DATA LINE
20
19
SDA
;
CSH+
1
FB+
CSL+
INPUT/OUTPUT
13
17
18
P0 - P7
;
8-BIT QUASI-BIDIRECTIONAL I/O PORT
V+
+
_
∑
R
Q
EXT+
GND
3
S
A-GND
VREF
PULSE
SOFT-START
7
6
8
12/
SELECT
15
AND
VREF
PAMP OSC
SQUARE
SS
THERMAL
SHUTDOWN
13
INTERRUPT
INT
LP FILTER
16
LOGIC
PCF8574
12/
PUMP
15
PCF8574A
1
2
3
A0
A1
A2
S
14
15
+
_
R
Q
EXT_
∑
4
5
PDRV
P0
P1
P2
P3
P4
P5
P6
P7
12
11
10
CSH_
14
15
6
FB_
SCL
SDA
INPUT
FILTER
I2C BUS
CONTROL
9
CC_
7
CSL_
SHIFT
REGISTER
I/O
PORTS
9
8-BIT
10
11
12
write pulse
read pulse
16
8
V
DD
POWER-ON
RESET
V
SS
NJM5534M (JRC)
NJM5534M(TE2)
OPERATINAL AMPLIFIER
—TOP VIEW—
COMPENSATE
/BALANCE
BALANCE
1
2
3
4
8
7
6
5
_
+
VCC
VEE
COMPENSATE
BKPF-L753A
4-3
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Overall
Overall
Section 5
Block Diagram
1 GAIN
+8dB
+4dB
0dB
COR2
1
RV1
-4dB
-8dB
CN101 CN101
5A 5A
CN3 CN1
CN2
4
1CMMR
IC2
Q5,6,13,14,21,22,29,30
CN2
1
CN1 CN3
CN101 CN101
2C 2C
5
9
5
9
OUT L(+)1
OUT L(+)2
IN L(+)
IN L(-)
2
1
2
1
5B 5B
7
DIFF
AMP
GAIN
AMP
POWER
AMP
2
1C 1C
5C 5C
13 13
17 17
10 OUT L(+)3
13 OUT L(+)4
1
RV4
IC6
7 B 7 B
IC5
1 FINE
OFF
ON
INV
AMP
CN101 CN101
6A 6A
CN3 CN1
CN2
S1
600Ω
6
6
5
OUT L(-)1
OUT L(-)2
ON/OFF
Q7,8,15,16,23,24,31,32
6B 6B
10 10
14 14
18 18
8
POWER
AMP
6C 6C
11 OUT L(-)3
14 OUT L(-)4
CN-1856
7C 7C
(L)(1/2)
CN-1856
(L)(2/2)
2 GAIN
+8dB
+4dB
0dB
COR1
CN101 CN101
9A 9A
CN2 CN1
CN2
4
-4dB
1
RV2
Q9,10,17,18,25,26,33,34
5
9
5
9
OUT R(+)1
OUT R(+)2
2CMMR
-8dB
COR3
MONO
IC1
CN2
1
CN1 CN2
CN101 CN101
2A 2A
9B 9B
7
POWER
AMP
IN R(+)
IN R(-)
2
1
2
1
9C 9C
13 13
17 17
10 OUT R(+)3
13 OUT R(+)4
DIFF
AMP
GAIN
AMP
STEREO
IC4
2
1A 1A
8B 8B
1
RV3
IC3
2 FINE
INV
AMP
CN101 CN101
CN2 CN1
CN2
OFF
ON
6
6
5
OUT R(-)1
OUT R(-)2
10A 10A
10B 10B
10C 10C
8A 8A
S1
600Ω
ON/OFF
Q11,12,19,20,27,28,35,36
CN-1856 CN-1855
(R)(1/2) (1/2)
10 10
14 14
18 18
8
POWER
AMP
11 OUT R(-)3
14 OUT R(-)4
CN-1855 CN-1856
(2/2) (R)(2/2)
DD1/DD36
IC11
CN101
13A
CN101
15A
SDA
SCL
+12V
12V
OUT
5V
IN
13B
15B
DD-36
-12V
OUT
13C
-12V
Q1-4
TO/FROM
DIAG
MOTHERBOARD
12A
12B
12C
POWER
DETECT
CARD ADD.
Q37
CN101
14C
DIAG
R
G
D1
POWER
S/N 10001-11870
ADA-55
Overall
BKPF-L753A
5-1
5-1
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Section 6
Schematic Diagrams
Index
Board Name
Function
Page
ADA-55 Board
Analog Audio Distribution Board
Connector Board
6-2
6-3
6-4
CN-1855/1856 Boards
DD-36 Board
DC-DC Converter Board
BKPF-L753A
6-1
6-1
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ADA-55
ADA-55
SUFFIX: -14
SUFFIX: -14
COP2
GAIN
R43
30k
1
2.2k
330
R24
+8dB
+4dB
0dB
1
3
5
7
9
2
12V
R76
C46
3k
R44 20k
R45 12k
R140
4
10pF
R146 820
6
R28
47
R46 5.1k
R141 3k
R142 10
-4dB
-8dB
8
C47
1
7pF
5.1k
R47
10
Q21
12V
C9
2SC1623--T1-L5L6
C14
1uF
12V
COR2
47uF
16V
R96
2.2
Q29
12V
2SA13358-Y
C36
7pF
R68
22
GND
GND
R22
3.3k
C86
100uF
16V
12V
C90
1uF
R56
22
R100
1k
C78
39pF
Q5
2SC1623--T1-L5L6
C62
47uF
16V
C48
1uF
1
CMRR
OUT-H
TP11
R88
18k
R80
1.5k
C70
-10dB
INPUT
GND
GND
C34
C32
RV1:CMRR ADJ
C11
R31
22pF
50
47uF
68pF
7
8
5
2.2k
RV1
1uF
TP7
IC2
GND
GND
R54
16V
TP3
3.3k
NJM55344M(TE2)
7
8
5
3
2
V+ CP1
CP2
7
8
5
C42
R124
R17
10k
22
22
22
L-ch
+
-
TP2
47uF
GND GND
GND
GND
IC5
CN101
(13/48)
(14/48)
(15/48)
(20/48)
3
V+ CP1
CP2
6
3
V+ CP1
CP2
OUT_LL(+)1
OUT_LL(+)2
OUT_LL(+)3
OUT_LL(+)4
13
14
15
20
2
CN101 (3/48)
CN101 (6/48)
R108
4.7
R116
4.7
R125
R126
R127
R35
5.6k
R84
120
3
6
IN_L_(-)
+
-
OUT
+
-
Q13
GND
6
6
CN101
CN101
2SC1623--T1-L5L6
R18
10k
OUT
OUT
TP8
R64
3k
3
1
2
V-
2
BAL
C74
47uF
35V
RV4
5k
NJM55344M(TE2)
R109
4.7
R117
4.7
Q14
IN_L_(+)
22
2SA812-TT1-M5M6
R8
220
CN101
V-
4
1
V-
BAL
BAL
IC7
R1
330
R23
3.3k
R33
10
GND
4
1
1
FINE
4
1
NJM55344M(TE2)
R2
68
600
R57 C33
1uF
C35
47uF
16V
1
RV4:GAIN ADJ.
S1
ON/OFF
22
C79
C15
1uF
C10
47uF
16V
R69
22
C63
47uF
16V
C49
1uF
39pF
R29
47
Q30
2SC34421-Y
R89
18k
Q6
2SA812-TT1-M5M6
R101
1k
R97
2.2
GND
GND
-12V
GND
GND
-12V
-12V
GND
GND
-12V
C87
100uF
16V
Q22
C91
1uF
2SA812-TT1-M5M6
-12V
R77
3k
2
3
4
5
GND
GND
R59
C50
10pF
3k
R60
3k
L2
12V
C51
7pF
10uH
12V
C20
1uF
C4
47uF
16V
C16
C18
12V
100uF
16V
100uF
16V
C92
1uF
R61
22
C2
C3
1uF
C21
1uF
R102
1k
C5
47uF
16V
C17
100uF
16V
C19
100uF
16V
DD36
R70
22
L1
12V
CN101
(37/48)
47uF
PS1
2A
37
38
39
31
32
33
+5V
+5V
+5V
GND
GND
GND
10uH
6.3V
GND
1
2
5
4
3
Q7
2SC1623--T1-L5L6
+VIN
C80
CN101 (38/48)
CN101 (39/48)
CN101 (31/48)
CN101 (32/48)
CN101 (33/48)
C39
+VOUT
C37
1uF
39pF
GND
47uF
16V
C41
R63
R90
18k
C64
C52
COM
L3
Q31
22pF
4.7k
47uF
1uF
10uH
OUT-C
TP12
R128
2SA13358-Y
TP9
!
-12V
-VOUT
16V
C1
-VIN
GND
GND
Q23
7
8
5
CP2
1uF
R81
C71
22pF
5
1.5k
8
TP4
2SC1623--T1-L5L6
NM
GND
GND
6
7
3
2
V+ CP1
7
C43
47uF
+
-
22
22
22
GND GND
(16/488C)N101
(17/488C)N101
(18/488C)N101
(21/488C)N101
6
3
V+ CP1
CP2
OUT_LL(-)1
OUT_LL(-)2
OUT_LL(-)3
OUT_LL(-)4
16
17
18
21
R110
4.7
R118
R85
120
OUT
+
-
R129
R130
R131
R58
Q15
4.7
6
1.5k
GND
2SC1623--T1-L5L6
OUT
R65
3k
V-
2
BAL
IC6
Q16
R111
4.7
R119
4.7
CN101
(2/48)
2
7
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
C75
22
2SA812-TT1-M5M6
GND
4
1
V-
TP10
C40
47uF
16V
BAL
NJM55344M(TE2)
47uF
35V
IC8
CN101 (7/48)
CN101 (5/48)
CN101 (8/48)
C38
1uF
R13
10k
R14
10k
GND
4
1
NJM55344M(TE2)
Q4
2SC1623--T1-L5L6
5
Q24
Q3
2SA812-TT1-M5M6
R62
22
12V
2SA812-TT1-M5M6
8
C81
R71
22
C65
47uF
16V
39pF
2SC34421-Y
Q32
CN101
(9/48)
9
R91
18k
Q8
2SA812-TT1-M5M6
CN101 (10/48)
CN101 (11/48)
CN101 (12/48)
CN101 (19/48)
CN101 (24/48)
R103
1k
10
11
12
19
24
-12V
GND
GND
R5
R7
15k
33k
-12V
D1
CL-155UUR/G-DT
GND
C53
1uF
GND
-12V
C93
1uF
R
R25
1k
POWER
3
4
2
R78
3k
R9
1k
1G
GND
GND
Q2
2SC1623--T1-L5L6
E1
E2
E3
R6
GND
C54
10pF
33k
GND
GND
GND
Q1
C55
7pF
2SC1623--T1-L5L6
GND
GND
GND
-12V
12V
12V
R148
100k
R98
2.2
R72
22
CN101 (42/48)
C88
42
DIAG
C94
1uF
R104
1k
100uF
16V
12V
Q37
UN22221-TX
C66
C56
Q9
C82
47uF
1uF
39pF
2SC1623--T1-L5L6
GND
GND
16V
OUT-H
TP13
R92
18k
R82
1.5k
C72
C98
1uF
22pF
Q33
COR3
1
GND
GND
RB2
100k
NM
R149
100k
GND
GND
2SA13358-Y
TP5
Q25
2SC1623--T1-L5L6
R132
22
7
8
5
C44
47uF
COP3
NM
MONO
(25/48) CN101
NM
25
26
27
23
16
3
2
V+ CP1
CP2
OUT_RR(+)1
OUT_RR(+)2
OUT_RR(+)3
OUT_RR(+)4
2
3
R112
R120
4.7
R86
120
Q17
22
R133
+
-
4.7
CN101
CN101
(26/48)
(27/48)
15
VDD
P0
4
5
6
2SC1623--T1-L5L6
CN101 (43/48)
CN101 (44/48)
43
44
SDA
SCL
STEREO
OUT
R134
R135
SDA
SCL
22
22
R66
3k
14
R113
4.7
R121
4.7
P1
P2
P3
P4
P5
P6
P7
C76
(23/48) CN101
6
V-
BAL
COP1
Q18
47uF
IC9
2SA812-TT1-M5M6
35V
GND
3
2
1
7
4
1
NJM55344M(TE2)
CN101 (36/48)
CN101 (35/48)
CN101 (34/48)
36
35
34
CARD_AADRS2
CARD_AADRS1
CARD__ADRS0
A2
A1
A0
9
Q26
2SA812-TT1-M5M6
2
GAIN
C83
30k
2.2k
330
10
11
12
R36
R21
+8dB
+4dB
0dB
1
3
5
7
9
2
R73
22
39pF
C57
1uF
C67
47uF
2SC34421-Y
Q34
R93
18k
R37 20k
R38 12k
R143
4
R105
1k
16V
Q10
2SA812-TT1-M5M6
R147 820
13
6
INT
-12V
R50
3k
GND
GND
R39 5.1k
3k
R145 10
R144
-4dB
-8dB
VSS
8
-12V
IC11
PCF85574AT
R99
2.2
C89
100uF
16V
C95
1uF
8
5.1k
R40
10
GND
NM
-12V
R51
3k
GND
R79
3k
COR1
12V
C24
7pF
GND
GND
12V
C58
10pF
R26
47
12V
C59
7pF
R52
22
R48
22
12V
C6
47uF
16V
C12
1uF
C27
47uF
16V
C22
1uF
C96
1uF
R106
1k
R74
22
12V
C30
47uF
16V
C25
1uF
GND
GND
R19
3.3k
Q11
2SC1623--T1-L5L6
C84
39pF
GND
R55
GND
GND
R94
18k
C29
IC3
C68
47uF
16V
2
CMRR
C60
1uF
22pF
4.7k
GND
GND
OUT-C
TP14
Q35
NJM55344M(TE2)
-10dB
INPUT
R83
1.5k
C73
RV2:CMRR ADJ
C8
R30
2SA13358-Y
50
22pF
68pF
7
8
5
7
8
5
2.2k
RV2
TP6
Q27
IC1
R41
3.3k
GND
GND
2SC1623--T1-L5L6
R136
22
NJM55344M(TE2)
7
8
5
3
2
V+ CP1
CP2
3
2
V+ CP1
CP2
7
8
5
C45
R15
10k
R-ch
+
-
+
-
TP1
47uF
GND GND
28
29
30
22
(28/48)
(29/48)
CN101
CN101
3
V+ CP1
CP2
6
6
3
2
V+ CP1
CP2
OUT_RR(-)1
OUT_RR(-)2
OUT_RR(-)3
OUT_RR(-)4
CN101 (1/48)
CN101 (4/48)
2
R114
4.7
R122
4.7
R34
R87
120
Q19
22
22
22
1
4
IN_R(-)
+
-
OUT
OUT
+
-
R137
R42
5.6k
GND
6
6
1.5k
2SC1623--T1-L5L6
R16
10k
OUT
OUT
R138
R139
R67
3k
CN101
CN101
3
1
(30/48)
(22/48)
2
V-
V-
BAL
BAL
RV3
5k
IC4
R115
4.7
R123
4.7
IN_R(+)
C77
GND
R10
220
V-
4
1
4
1
V-
BAL
BAL
NJM55344M(TE2)
Q20
47uF
IC10
NJM55344M(TE2)
R3
330
2SA812-TT1-M5M6
35V
R20
3.3k
GND
4
1
2
FINE
4
1
R4
68
R32
10
Q28
2SA812-TT1-M5M6
600
R49
22
C26
1uF
C31
47uF
16V
R53
22
C28
47uF
16V
1
RV3:GAIN ADJ.
C23
1uF
S2
ON/OFF
C85
C61
1uF
C69
47uF
16V
R75
22
39pF
R95
18k
C13
1uF
2SC34421-Y
Q36
C7
47uF
16V
R27
47
Q12
R107
1k
R11
13k
-12V
2SA812-TT1-M5M6
GND
GND
GND
GND
CN101 (41/48)
-12V
41
LOAD
-12V
GND
GND
-12V
-12V
C97
1uF
GND
GND
R12
15k
ADA-55
BOARD NO. 1-668-838-14
GND
GND
BKPF-L753A
6-2 (b)
6-2 (b)
A
B
C
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E
F
G
H
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ADA-55
ADA-55
SUFFIX: -11, 12
SUFFIX: -11, 12
S/N 10001-10290 ONLY
R201
R43
30k
1 GAIN
R24
2.2k
330
820
3k
+8dB
+4dB
0dB
1
3
5
7
9
2
4
12V
R76 3k
33
R44 20k
R45 12k
R46 5.1k
R140
R146
R141
RV1
1
20
10pF
C46
C47
R28
47
6
-4dB
-8dB
8
7pF
12V
GND
GND
5.1k
Q21
R47
R142 10
10
C9
2SC1623-T1-L5L6
C14
1uF
12V
Q29
COR2
47uF
16V
R96
2.2
2SA1358-Y
R22
3.3k
12V
R68
22
C36
7pF
GND
GND
12V
2SC1623-T1-L5L6
R88
18k
C86
100uF
16V
C90
1uF
C62
47uF
16V
Q5
R56
22
C78
39pF
R100
1k
1 CMRR
C48
1uF
RV1
50
R31
2.2k
IC2
C11
68pF
OUT-H
TP11
C70
22pF
R80
1.5k
-10dB
INPUT
C34
47uF
16V
1
RV1:CMRR ADJ.
GND
GND
NJM5534M(TE2)
C32
1uF
TP3
R54
3.3k
7 8
5
TP7
GND
GND
7 8
5
C42
47uF
CN101
13
3
2
V+CP1 CP2
7 8
5
R17
10k
GND
GND
TP2
CN101
3
L-ch
+
-
R124 22
V+CP1 CP2
+
GND
GND
3
+
R35
5.6k
6
3
2
V+CP1 CP2
OUT_L(+)1
OUT_L(+)2
OUT_L(+)3
OUT_L(+)4
R84
120
+
2
R125
R126
R127
IN_L_(-)
OUT
-
+
Q13
22
22
22
R108
R116
4.7
GND
6
6
14
+
-
R18
10k
4.7
IC5
2SC1623-T1-L5L6
R64
3k
CN101
6
OUT
OUT
TP8
C74
47uF
35V
-
3
1
2
-
V-
15
BAL
RV4
5k
NJM5534M(TE2)
IN_L_(+)
-
V-
R109
4.7
Q14
R117
4.7
R8
220
V-
4 1
20
BAL
BAL
R1
330
R33
10
IC7
2SA812-T1-M5M6
R23
3.3k
1 FINE
GND
4 1
4 1
2
3
R2
68
NJM5534M(TE2)
*:R124-127:1W TYPE
1
C35
47uF
16V
S1
R57
22
C33
1uF
600Ω
C63
47uF
16V
C79
C10
47uF
16V
R29
47
C49
1uF
C15
1uF
ON/OFF
R69
22
1
RV4:GAIN ADJ.
OFF
ON
39pF
Q30
2SC3421-Y
R89
18k
Q6
R97
2.2
R101
1k
2SA812-T1-M5M6
GND
GND
-12V
GND
-12V
GND
L2
-12V
GND
GND
-12V
C87
100uF
16V
C91
1uF
Q22
2SA812-T1-M5M6
2
3
4
5
-12V
R77
3k
GND
GND
R59
3k
C50
10pF
12V
R60
3k
10uH
C51
7pF
C16
100uF
16V
C101
100uF
16V
C4
47uF
16V
12V
C20
1uF
12V
DD1
CN101
37
R61
22
C92
1uF
C2
47uF
6.3V
C5
47uF
16V
(DD-36 BOARD)
R102
L1
C99
100uF
16V
C100
100uF
16V
C3
1uF
C21
1uF
R70
22
PS1
2A
12V
Q31
+5V
+5V
+5V
GND
GND
GND
10uH
1k
GND
C80
39pF
1
5
4
3
Q7
2SC1623-T1-L5L6
+VIN
+VOUT
2SA1358-Y
C39
47uF
16V
38
C37
1uF
GND
R90
18k
C41
22pF
R63
4.7k
C64
47uF
16V
C52
1uF
39
COM
!
L3
10uH
OUT-C
TP12
R128
2
C71
22pF
-VOUT
R81
1.5k
-12V
31
Q23
C1
1uF
GND
GND
-VIN
TP9
7 8
5
32
TP4
2SC1623-T1-L5L6
GND
GND
CN101
16
C43
47uF
3
2
V+CP1 CP2
7 8
5
6
7
22
22
22
22
33
+
6
3
V+CP1 CP2
OUT_L(-)1
OUT_L(-)2
OUT_L(-)3
OUT_L(-)4
R85
120
+
-
R110
4.7
R118
4.7
R129
R130
R131
OUT
+
R58
1.5k
Q15
6
17
+
-
GND
CN101
2
2SC1623-T1-L5L6
TP10
-
V-
OUT
IC6
NJM5534M(TE2)
R65
3k
C75
47uF
35V
2
18
BAL
R111
4.7
R119
4.7
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
-
Q16
GND
4 1
V-
21
BAL
C38
1uF
IC8
2SA812-T1-M5M6
7
GND
4
1
R13
10k
NJM5534M(TE2)
Q4
Q3
5
R14
10k
*:R128-131:1W TYPE
Q24
C40
47uF
16V
2SC1623-T1-L5L6
R62
22
12V
2SA812-T1-M5M6
8
2SA812-T1-M5M6
C65
47uF
16V
R71
22
C53
1uF
9
R91
18k
Q32
2SC3421-Y
Q8
10
11
12
19
24
R103
1k
C81
39pF
2SA812-T1-M5M6
-12V
GND GND
R7
15k
R5
33k
D1
-12V
GND
GND
CL-155UR/G-D
-12V
Q2
C93
1uF
G
1
3
2 R25
1k
2SC1623-T1-L5L6
POWER
4
R78
3k
R9
1k
GND
R
GND
E1 E2 E3
GND GND GND
R6
33k
GND
GND
C54
10pF
GND
C55
7pF
GND
Q1
2SC1623-T1-L5L6
-12V
12V
12V
R98
2.2
R148
100k
CN101
42
R72
22
C88
C94
DIAG
100uF
1uF
R104
1k
12V
S/N 10001-11870
Q37
UN2221-TX
16V
C56
1uF
C66
47uF
16V
C82
39pF
Q9
2SC1623-T1-L5L6
OUT-H
TP13
GND
Q33
2SA1358-Y
GND
R92
18k
C72
R82
1.5k
C98
1uF
22pF
5
TP5
COR3
GND
GND
GND
R149
100k
RB2
100kx4
Q25
CN101
25
7 8
1
C44
47uF
R132
22
22
22
2SC1623-T1-L5L6
MONO
16
3
2
V+CP1 CP2
OUT_R(+)1
OUT_R(+)2
OUT_R(+)3
OUT_R(+)4
2
3
R86
120
GND
CN101
R133
R134
+
R120
4.7
R112
4.7
Q17
VDD
SDA P0
15
4
5
STEREO
6
26
+
-
2SC1623-T1-L5L6
43
44
SDA
SCL
OUT
R66
3k
14
C76
47uF
35V
27
R113
4.7
SCL P1
P2
-
R135 22
Q18
R121
4.7
6
V-
23
BAL
IC9
2SA812-T1-M5M6
CN101
GND
3
2
1
7
4 1
NJM5534M(TE2)
36
35
34
CARD_ADRS2
CARD_ADRS1
CARD_ADRS0
A2 P3
A1 P4
A0 P5
P6
*:R132-135:1W TYPE
9
Q26
2 GAIN
2SA812-T1-M5M6
C83
39pF
30k
20k
2.2k
330
C67
C57
10
11
12
R36
R21
R143
+8dB
+4dB
0dB
1
3
5
7
9
2
R73
22
R93
18k
47uF
16V
1uF
Q34
2SC3421-Y
R37
R38
R39
4
R105
1k
Q10
2SA812-T1-M5M6
-12V
13
12k R147 820
5.1k R144 3k
6
INT P7
VSS
R50
3k
-12V
GND
GND
-4dB
-8dB
8
S/N 10001-10290 ONLY
R202
IC11
C89
100uF
16V
R99
2.2
C95
1uF
R145
10
8
5.1k
R40
10
PCF8574AT
GND
R51
3k
-12V
GND
R79
3k
C24
7pF
COR1
12V
GND
GND
33
RV2
12V
20
R26
47
12V
C58
10pF
C59
7pF
R52
22
GND
GND
R48
22
12V
C6
47uF
16V
C12
1uF
C22
47uF
16V
C27
1uF
R19
3.3k
C96
1uF
R106
1k
C30
47uF
16V
R74
22
12V
C25
1uF
GND
GND
C84
39pF
Q11
2SC1623-T1-L5L6
GND
GND
GND
R94
18k
C60
47uF
16V
IC3
R55
4.7k
C29
C68
1uF
RV2
50
OUT-C
TP14
R136
C8
68pF
R30
2.2k
2 CMRR
Q35
2SA1358-Y
GND
GND
22pF
C73
22pF
NJM5534M(TE2)
-10dB
INPUT
R83
1.5k
1
RV2:CMRR ADJ.
7 8
5
7 8
5
IC1
TP6
Q27
R41
3.3k
3
GND
GND
CN101
28
C45
7 8
5
V+CP1
CP2
3
2
V+CP1 CP2
7 8
5
NJM5534M(TE2)
2SC1623-T1-L5L6
R15
10k
GND
GND
CN101
1
R-ch
TP1
+
+
22
22
22
22
47uF
3
V+CP1
CP2
6
6
3
2
V+CP1 CP2
+
OUT_R(-)1
OUT_R(-)2
OUT_R(-)3
OUT_R(-)4
R87
120
+
-
+
-
R34
5.6k
2
R137
R138
R139
IN_R(-)
+
OUT
R42
1.5k
Q19
OUT
R122
4.7
R114
4.7
GND
6
2
6
29
+
-
+
-
2SC1623-T1-L5L6
R16
10k
CN101
4
OUT
-
V-
-
OUT
R67
3k
3
1
2
-
V-
30
BAL
BAL
RV3
5k
C77
47uF
35V
IC4
IN_R(+)
-
V-
Q20
R115
4.7
R123
4.7
GND
R10
220
V-
4 1
4
22
1
BAL
BAL
NJM5534M(TE2)
IC10
NJM5534M(TE2)
2SA812-T1-M5M6
R3
330
R20
3.3k
2 FINE
GND
4 1
4 1
R32
10
2
3
R4
68
*:R136-139:1W TYPE
1
Q28
C31
47uF
16V
S2 600Ω
ON/OFF
1
RV3:GAIN ADJ.
C28
47uF
16V
R49
22
C26
1uF
R53
22
C23
1uF
2SA812-T1-M5M6
OFF
C85
39pF
C69
47uF
16V
C61
1uF
R75
22
Q36
2SC3421-Y
R95
18k
R11
13k
C7
47uF
16V
R27
47
C13
1uF
CN101
41
R107
1k
Q12
-12V
ON
GND GND
GND GND
-12V
LOAD
2SA812-T1-M5M6
-12V
GND
GND
ADA-55
BOARD NO. 1-668-838-11, 12
-12V
R12
15k
C97
1uF
-12V
GND
GND
GND
GND
BKPF-L753A
6-2 (a)
6-2 (a)
A
B
C
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CN-1855/1856
CN-1855/1856
1
2
3
4
5
CN1(1/2)
1A
CN2 CN1
CN2
1
1
2
1
2
IN_R(+)
IN_R(-)
OUT_R(+)1
OUT_R(-)1
OUT_R(+)2
OUT_R(-)2
OUT_R(+)3
OUT_R(-)3
OUT_R(+)4
OUT_R(-)4
GND
IN_R(+)
IN_R(-)
OUT_R(+)1
OUT_R(-)1
OUT_R(+)2
OUT_R(-)2
OUT_R(+)3
OUT_R(-)3
OUT_R(+)4
OUT_R(-)4
GND
IN_R(+)
IN_R(-)
OUT_R(+)1
OUT_R(-)1
OUT_R(+)2
OUT_R(-)2
OUT_R(+)3
OUT_R(-)3
OUT_R(+)4
OUT_R(-)4
GND
IN_R(+)
IN_R(-)
OUT_R(+)1
OUT_R(-)1
OUT_R(+)2
OUT_R(-)2
OUT_R(+)3
OUT_R(-)3
OUT_R(+)4
OUT_R(-)4
GND
2
2A
5
5
4
8B
6
6
5
8A
9
9
7
9A
10
13
14
17
18
3
10
13
14
17
18
3
8
10A
9B
10
11
13
14
3
AUDIO
CH2
10B
9C
10C
3A
4
4
6
4A
GND
GND
GND
GND
7
7
9
7A
GND
GND
GND
GND
8
8
12
15
11A
1B
GND
GND
GND
GND
11
12
15
16
19
20
11
12
15
16
19
20
GND
GND
GND
GND
2B
GND
GND
GND
GND
3B
GND
GND
GND
4B
GND
GND
GND
11B
16B
3C
GND
GND
GND
GND
GND
GND
CN-1856
GND
GND
GND
BOARD NO. 1-674-069-11, 12
4C
GND
8C
GND
11C
15C
GND
GND
TO/FROM
ADA-55 BOARD
CN1(2/2)
1C
CN3 CN1(1/2)
CN2
1
2
1
2
1
2
IN_L(+)
IN_L(-)
OUT_L(+)1
OUT_L(-)1
OUT_L(+)2
OUT_L(-)2
OUT_L(+)3
OUT_L(-)3
OUT_L(+)4
OUT_L(-)4
N.C.
IN_L(+)
IN_L(-)
OUT_L(+)1
OUT_L(-)1
OUT_L(+)2
OUT_L(-)2
OUT_L(+)3
OUT_L(-)3
OUT_L(+)4
OUT_L(-)4
GND
IN_L(+)
IN_L(-)
OUT_L(+)1
OUT_L(-)1
OUT_L(+)2
OUT_L(-)2
OUT_L(+)3
OUT_L(-)3
OUT_L(+)4
OUT_L(-)4
GND
IN_L(+)
IN_L(-)
OUT_L(+)1
OUT_L(-)1
OUT_L(+)2
OUT_L(-)2
OUT_L(+)3
OUT_L(-)3
OUT_L(+)4
OUT_L(-)4
GND
CONT
2C
5
5
4
5A
6
6
5
6A
9
9
7
5B
10
13
14
17
18
3
10
13
14
17
18
3
8
6B
AUDIO
CH1
10
11
13
14
3
5C
6C
7B
7C
12A
13A
14A
15A
16A
12B
13B
14B
15B
12C
13C
14C
16C
4
4
6
N.C.
GND
GND
GND
7
7
9
N.C.
GND
GND
GND
8
8
12
15
N.C.
GND
GND
GND
11
12
15
16
19
20
11
12
15
16
19
20
N.C.
GND
GND
GND
N.C.
GND
GND
GND
N.C.
GND
GND
N.C.
GND
GND
N.C.
GND
GND
N.C.
GND
GND
CN-1856
N.C.
GND
GND
N.C.
BOARD NO. 1-674-069-11, 12
N.C.
CN-1855
BOARD NO. 1-674-068-11, 12
LOT NO. 812-
BKPF-L753A
6-3
6-3
A
B
C
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H
DD-36
DD-36
BKPF-L753A (SY) : S/N 10001 through 17325
1
CN3
1
+5Vin
IC1
R1
MAX742CWP-TE2
100
L1
47uH
D1
2
3
4
5
4
13
V+
MBR0530T1
CN4
1
AV+
1
8 7 6 5
C1
0.1uF
FB+
+5Vout
GND
C2
0.0033uF
7
GND
Q1
17
4
2
C8
100uF
16V
EXT+
CC+
SI4410DY-T1-REVA
20
19
16
15
10
14
12
11
1 2 3
C3
10uF
16V
CSH+
CSL+
PUMP
PDRV
FB-
5
9
R2
0.1
7
9
VREF
CC-
SS
C10
C13
D4
100uF
0.1uF
16V
MBR0530T1
-5Vout
C6
1uF
D3
MBR0530T1
C5
0.0033uF
C7
1uF
C4
1uF
8
EXT-
CSH-
CSL-
5
6
100/200
12/15
3
R3
0.1
1 2 3
AGND GND
Q2
18
SI4431DY-T1
4
D2
MBR0530T1
8 7 6 5
GND
C11
100uF
16V
L2
47uH
GND
DD-36
BOARD NO. 1-674-689-11, 12
LOT NO. 902-3A5
BKPF-L753A
6-4
6-4
A
B
C
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ADA-55
ADA-55
SUFFIX: -14
SUFFIX: -14
Section 7
Board Layouts
--------------------
ADA-55(1-668-838-14)
--------------------
C1
K3
C3
C3
E3
E3
C1
D2
C1
C1
D1
C1
C2
C2
C1
C1
E2
E3
F2
F3
F2
F3
B3
B2
B2
B2
B2
A3
B3
B2
B2
B2
B1
B1
A1
C1
B1
B1
B1
A1
B2
B1
E1
D1
D2
E2
F1
F1
E1
F1
H1
H1
G1
H2
F2
E2
E2
E2
H3
H3
H3
H3
E1
F1
H1
H1
E2
E2
H3
H3
F1
H1
E1
H2
G1
H1
G3
H3
G1
G1
H1
J1
F2
G2
H2
J2
F1
G1
F3
G3
F1
G1
H2
J1
C94
C95
C96
C97
C98
F2
G2
H2
J2
J3
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R64
R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89
R90
R91
R92
R93
R94
R95
R96
R97
R98
R99
R100
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
D1
C2
C2
A2
C1
C1
A1
A2
C1
D2
C1
D1
C1
C1
C1
C1
C2
B1
A2
A2
A2
A2
A2
B2
B3
A1
A1
A1
A1
A1
B2
C2
B2
B2
B2
B2
B1
B2
B1
B1
B2
B1
B1
B1
B1
B1
E1
G1
E2
H3
E1
F2
G1
H1
E2
E2
H3
H3
F1
H1
F2
H3
F1
H1
E1
H2
F1
H1
F2
H3
G1
G1
H1
J1
G3
G3
H3
J3
F1
G1
F3
G3
F2
G2
H1
J2
F2
G2
H2
J2
G1
G1
H1
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R134
R135
R136
R137
R138
R139
R140
R141
R142
R143
R144
R145
R146
R147
R148
R149
H1
G2
G2
H2
H2
G2
G2
H1
H1
G2
G2
H2
H2
K1
K2
K1
K2
K1
K1
K2
K2
K3
K2
K2
K2
K3
K2
K2
K2
A1
A1
A1
A2
A2
A2
A1
A2
K3
K3
C2
C3
C4
C5
C6
C7
CN101
L2
C8
C9
COR1
COR2
COR3
A2
A1
C2
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
C61
C62
C63
C64
C65
C66
C67
C68
C69
C70
C71
C72
C73
C74
C75
C76
C77
C78
C79
C80
C81
C82
C83
C84
C85
C86
C87
C88
C89
C90
C91
C92
C93
D1
A2
D3
DD36
E1
E2
E3
J3
A2
C2
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
IC10
IC11
C2
C1
B2
B3
B1
B2
F1
H1
E2
H3
J3
L1
L2
L3
K3
E2
E3
PS1
K3
ADA-55 -A SIDE-
SUFFIX: -14
Q1
A2
A2
A2
A2
G1
G1
H1
H1
G3
G3
H3
J3
G1
G1
H1
H1
G2
G2
H2
H2
F1
G1
H1
J1
F2
G2
H2
J2
F2
G2
H2
J2
F2
G2
H2
J2
J3
Q2
Q3
RB2
K3
Q4
Q5
RV1
RV2
RV3
RV4
C1
C2
A3
A1
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Q25
Q26
Q27
Q28
Q29
Q30
Q31
Q32
Q33
Q34
Q35
Q36
Q37
S1
S2
D1
D1
TP1
C1
C1
D1
D1
D2
D2
G2
G1
H2
J1
J1
K1
J2
K2
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
R1
D1
D1
D1
D2
A2
A2
A2
D1
A2
D1
L3
L3
A2
A2
D2
D1
D1
R2
R3
R4
R5
R6
R7
R8
ADA-55 -B SIDE-
SUFFIX: -14
R9
R10
R11
R12
R13
R14
R15
R16
R17
BKPF-L753A
7-1
7-1
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ADA-55
ADA-55
SUFFIX: -11, 12
SUFFIX: -11, 12
------------------------
ADA-55(1-668-838-11, 12)
------------------------
C1
K3
C3
C3
E3
E3
C2
D2
C1
C1
D1
C1
C2
C2
C1
C1
E3
E3
F3
F3
F3
F3
B3
B3
B2
B2
B2
A3
B3
B2
B2
B2
B1
B1
A1
C1
B1
B1
B2
A1
B2
B1
E1
D1
D2
E2
F1
F1
E1
F1
H1
H1
G1
H2
F2
E2
E2
E2
H3
H3
H3
H3
E1
F2
H1
H1
E2
E2
H3
H3
F1
H1
E1
H2
G1
H1
G3
H3
G1
G1
H1
J1
F3
G3
H3
J3
F1
G1
F3
G3
F2
G2
H2
J2
C94
C95
C96
C97
C98
F2
G2
H2
J2
J3
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
R62
R63
R64
R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
R76
R77
R78
R79
R80
R81
R82
R83
R84
R85
R86
R87
R88
R89
R90
R91
R92
R93
R94
R95
R96
R97
R98
R99
R100
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
D1
C2
C2
A2
C1
C1
A1
A2
C2
D2
C1
D1
C1
C1
C2
C1
C2
B1
A2
A2
A2
A2
B2
B2
B3
A1
A1
A1
A1
A1
B2
C2
B2
B2
B2
B3
B1
B2
B1
B1
B2
B1
B1
B2
B2
B1
E1
G1
E2
H3
E1
F2
G1
H1
E2
E2
H3
H3
F1
H1
F2
H3
F1
H1
E1
H2
F1
H1
F2
H3
G1
G1
H1
J1
G3
G3
H3
J3
F1
G1
F3
G3
F2
G2
H2
J2
F2
G2
H2
J2
G2
G2
H2
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R134
R135
R136
R137
R138
R139
R140
R141
R142
R143
R144
R145
R146
R147
R148
R149
H2
G2
G2
H2
H2
G2
G2
H2
H2
G2
G2
H2
H2
K1
K2
K2
K2
K1
K2
K2
K2
K3
K2
K3
K2
K3
K3
K2
K2
A1
A1
A1
A2
A2
B2
A1
A2
K3
K3
C2
C3
C4
C11
R31
TP2
C5
C9
R18
R8
R1
S1
S2
R28
C14
C6
C64
C65
C75
R80
C70
C86
C74
C87
R91
IC2
C32
R56
C7
CN101
L2
COR2
R2
C62
IC5
R29
TP4
TP3
C43
C8
RV1
R70
C52
C34
C35
R84
R76
C46
R81
C71
R85
R77
C50
R22
C9
COR1
COR2
COR3
A2
A1
C2
TP11
TP12
IC7
TP8
TP10
R54
R35
C10
R16
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
C58
C59
C60
C61
C62
C63
C64
C65
C66
C67
C68
C69
C70
C71
C72
C73
C74
C75
C76
C77
C78
C79
C80
C81
C82
C83
C84
C85
C86
C87
C88
C89
C90
C91
C92
C93
C42
C41
R63
R57
R65
R124
R126
R125
R127
R128
R129
R130
R131
IC8
C37
R61
C8
R30
R82
C72
R10
R3
TP1
C6
R110
R118
R111
R119
C93
R26
C90
R100
R108
R116
R109
R117
C91
R101
IC6
C38
C63
R102
Q31
D1
A2
D3
C53
R103
C66
C45
IC1
R4
TP9
IC9
R27
TP7
Q29
Q0
Q2
C40
R86
R78
C54
DD36
R58
RV2
R25
C44
TP5
TP6
R19
C57
R73
E2
C7
D1
E1
E2
E3
J3
A2
C2
C25
R48
C26
E3
IC3
C67
R13
TP14
R49
C31
R41
C29
Q3
Q4
Q5
Q6
R135
R133
R134
R132
R139
R138
R137
R136
R55
L2
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
IC10
IC11
C2
C1
B2
B3
B1
B2
F1
H2
E2
H3
J3
R104
C94
R120
R112
R121
R113
R105
C95
R106
C96
R122
R114
R123
R115
R107
C97
TP13
E1
COR1
R83
C73
IC4
C23
R53
R74
C60
C22
R87
C58
R79
IC10
DD36
R99
C27
R42
R67
R149
C88
C89
C76
C77
IC11
C68
C69
PS1
L1
L3
L1
L2
L3
K3
E2
E3
ADA-55 -A SIDE-
SUFFIX: -11, 12
PS1
K3
Q1
A2
A2
A2
A2
G1
G1
H1
H1
G3
G3
H3
J3
G1
G1
H1
H1
G3
G3
H3
H3
F1
G1
H1
J1
F3
G3
H3
J3
F2
G2
H2
J2
F2
G2
H2
J2
J3
Q2
Q3
RB2
K3
Q4
Q5
RV1
RV2
RV3
RV4
C1
C2
A3
A2
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Q25
Q26
Q27
Q28
Q29
Q30
Q31
Q32
Q33
Q34
Q35
Q36
Q37
S1
S2
D1
D2
TP1
C2
C1
D1
D1
D2
D2
G2
G1
H2
J1
J1
K1
J2
K2
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
R1
D1
D1
D2
D2
A3
A3
A2
D1
A2
D1
L3
L3
A2
A2
D2
D1
D1
R2
R3
R4
R5
R6
R7
R8
ADA-55 -B SIDE-
SUFFIX: -11, 12
R9
R10
R11
R12
R13
R14
R15
R16
R17
BKPF-L753A
7-2
7-2
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DD-36
DD-36
-----------------------
DD-36(1-674-689-11, 12)
-----------------------
*:B SIDE
C1
B2
B2
B2
A2
A2
B2
A2
A1
A2
B1
*A2
C2
C3
C4
C5
C6
C7
C8
C10
C11
C13
CN1
CN2
*B2
*A1
D1
D2
D3
D4
A1
B1
A2
B2
IC1
*B2
DD-36 -A SIDE-
SUFFIX: -11, 12
DD-36 -B SIDE-
SUFFIX: -11, 12
L1
L2
A1
B1
Q1
Q2
*B1
*A1
BKPF-L753A (SY) : S/N 10001 through 17325
R1
R2
R3
B2
*B1
*A1
BKPF-L753A
7-3
7-3
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Printed in Japan
2003. 11 22
©1999
Sony Corporation
BKPF-L753A (SY) J, E
9-967-844-02
B&P Company
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