CMD-Z28
SERVICE MANUAL
E Model
Ver 1.0 2001.06
SPECIFICATIONS
Signalling format
Frequency range
Dual-Band
E-GSM 900 MHz,Transmit:880 – 915 MHz
Receive: 925 – 960 MHz
DCS 1800 MHz, Transmit:1710 – 1785 MHz
Receive: 1805 – 1880 MHz
Class 4 (2W)
GSM power class
DCS power class
SIM chip
Class 1 (1W)
Pluggable mini SIM card
High resolution grey scale full graphics display
Resolution: 96 × 72 pixels
Graphic Icons
Display
5 lines × 12 (normal font numeric) characters
200 kHz
Channel spacing
Number of channels
E-GSM: 174
DCS:
374
Frequency stability
RF output power
Battery life
Transmit frequency drift (synchronized)
< ± 0.1 p.p.m
GSM: 2W
DCS: 1W
Standby: 30h – 130h standard battery
50h – 220h extended battery
Talk time:1h30 – 3h40
standard battery
2h30 – 6h extended battery
Power requirements
Operating temperature
Accessories operating temperature
Battery pack charging temperature
Dimensions
4.0 V (nominal)
-10°C to +55°C
±0°C to +45°C
±0°C to +40°C
88 mm × 47.5 mm × 22 mm
82 g
Weight
Volume
78 cm3
<Supplied accessories>
• AC Adaptor
QN-2TC
• Battery (std.)
• Desk Top Charger
• Hand Strap
QN-Z5BPS
QN-Z5DTC
• AC Cable
Design and specifications are subject to change
without notice.
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SECTION 1
GENERAL
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SECTION 2
GENERAL DESCRIPTIONS
2-1
Multi-band :
CMD-Z28 support E-GSM 900 and DCS 1800 multi-band functionality.
Because the usage of multi-band depends on network capabilities, the phone is able to operate as a single band mobile in GSM 900 as well
as in DCS 1800; In addition, it supports the extra functionality required for multi-band mobile stations: Inter-band/ “seamless” hand-over,
channel assignment, cell selection and re-selection, all between both bands within a Public Land Mobile Network.
The manual and automatic PLMN selection in both bands is given.
The user does not need any special action to use the multi-band functionality of the phone.
Users are able to manually roam between PLMN’s operating in GSM 900 and DCS 1800 bands.
The CMD-Z28 is a phase II, GSM 900 class 4, DCS 1800 class 1 mobile phone.
The nominal maximum output power for GSM 900 is 2 W, for DCS 1800 1 W.
2-2 Real Time Clock (RTC):
The real time clock is integrated into the phone.
When the mobile is switched on the RTC is powered via the CPP.
When the phone is powered down, the RTC is powered from the main battery via it’s own low quiescent current regulator.
When the main battery is low or removed, a back-up battery keeps the clock alive.
After the main battery is removed the RTC keeps the time for 20 days (ability value).
2-3 Vibra Functionality
The vibrator is a 1.3 V device.
A general port pin of the SC1 controls the switch mode of the vibration motor. It is powered through regulator by an interface control unit.
If the mobile is in the phase of switching on or off the vibrator is off at all times.
2-4 Battery Safety
The battery pack contains a safety circuitry. The charging circuitry and the safety circuitry together guarantee a double fail-safe battery
pack. This means that each component can be either short or open and still all the safety requirements will not be violated.
The safety concept protects against:
Over voltage: The charging is stopped when Battery Voltage (Vbat) reaches (4.24 V- 4.3 V). The charging resumes when Vbat falls below
(4.06 V – 4.15 V).
Under voltage: When the cell voltage drops below (2.5 V – 2.7 V) the cell is disconnected for discharging.
Charging is still possible.
2-5 Battery Capacity:
Standard Battery
620 mAh typical
Li-ion QN-Z5BPS
Extended Battery
1000 mAh typical
Li-ion QN-Z5BPE (TBD)
The phone can be charged even during making phone calls.
However, the shortest charging time will be reached when the phone is switched off.
As the charging circuit is integrated in the battery pack, the phone cannot be powered up by the charger without the battery pack being
attached.
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2-6 Accessory Interface
The table explains what kind of pins the phone supplies to the different accessories.
GND Charge ACC_ Audio Audio
ACC
ID
11
ACC
Detect (OUT)
TX
RX
(IN)
10
AGND
12
RF
GND
19/22
RF
OUT
20
Pins
power
3
IN
14
Out
13
18
1/2
6
9
Travel charger
(QN-2TC)
√
√
I/O connector layout
Connector view from base of phone
1
2
17
18
The connector comprises the following pins:
Detection:
The detection of accessory is done by the charge pin and the detect pin.
Any accessory with an active charge will wake up the phone, indicating the battery icon but can not be operated.
The insertion and removal of the charger (Cigar Lighter Charger, Desktop-Charger, AC-Charger) is detected via polling. To reduce the
power consumption the polling can take up to 5 sec.
The insertion and removal of other accessory is detected via an Interrupt. This detection is only possible when the phone is powered up.
ID:
The ID pin indicates what kind of accessory is connected.
2-7 RF Antenna Connector / Antenna Switch
To connect an external antenna for accessory use, the CMD-Z28 contains a stable RF connector with an integrated mechanical switch.
This connector is placed on the I/O connector. The integrated mechanical switch switches between the helix antenna and the external RF
antenna connection. The switching criterium is mechanical pressure from the RF accessory connector.
2-8 Languages
The CMD-Z28 supports the following languages:
• English
• Chinese (Simplified)
• Chinese (Traditional)
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SECTION 3
ACCESSORIES
3-1 Travel Charger
The Travel Charger QN-2TC is a small and lightweight device. It has a full Input Voltage Range from 110 – 240 Volts.
Using a standard cable makes the connection to the mains socket.
Specifications:
Input voltage
Rated output voltage
Rated output current
110 to 240 V
5.0 V
500 mA
3-2 Desk Top Charger (not for sale by itself)
The desktop charger QN-Z5 DTC can charge either the Standard or Extended battery with the phone attached.
The Desk Top Charger gets its power supply via the Power adapter or the Travel Charger QN-2TC.
Specifications:
Input voltage
Rated output voltage
Rated output current
DC 5 V
5.0 V
500 mA
3-3 Extended Battery (TBD)
Specifications:
Lithium Ion Battery
Maximum output voltage
Nominal output voltage
Capacity
QN-Z5 BPE
DC 4.2 V
DC 4.0 V
1000 mAh
3-4 Standard Battery
Specifications:
Lithium Ion Battery
Maximum output voltage
Nominal output voltage
Capacity
QN-Z5 BPS
DC 4.2 V
DC 4.0 V
620 mAh
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SECTION 4
JIGS AND TOOLS
Description
DATA TRANSFER JIG
Part No.
Remark
NECESSARY FOR SOFTWARE UPDATE
FOR HOUSING OPENING
1-792-172-11
3-043-180-01
1-792-726-11
HOOK RELEASE JIG
TESTER CONNECTION CABLE
FOR CONNECTION TO GSM MEASURE EQUPMENT
HOOK RELEASE JIG
DATA TRANSFER JIG
TESTER CONNECTION CABLE
SECTION 5
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
CABINET (UPPER)
1 two screws
2 three claws
3
5 cabinet (upper)
2 four claws
4 three claws
CABINET LOWER
2 flexible PWB unit
ground terminal point of contact
holder (vibration)
1
Note 1: Do not touch the ground point of contact
on the flexible PWB unit.
Note 2: Do not make the ground point of contact
get into the holder (vibration).
Note 3: Clean the ground point of contact
with alcohol by cotton fixed to a stick
when it is touched by greasy hands.
3 cabinet (lower)
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LCD
3 claw
1 two claws
6 LCD
5
3 claw
7 light guide
1 two claws
2
4 two claws
MAIN BOARD ASS’Y
2 claw
3 flexible PWB unit
2 claw
4 main board ass’y
1 Open connector.
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SECTION 6
INTERFACE TO GSM-TESTER
CMD-Z28 Level 1 Testing with GSM Tester
CMD-Z28
+
Battery Pack
+
Test SIM Card
Tester Connection
Cable
1-792-726-11
RF cable output
RF input Connector
GSM – TESTER
Level Test Procedure with GSM TESTER recommendation:
•
•
Simulate GSM call processing – to check the functionality of transmit and receive audio of loudspeaker and microphone.
Basic GSM transmission & reception parameter testing – to ensure handset's performance compile with standard GSM specification.
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SECTION 7
PROGRAMMING INSTRUCTIONS
7-1 Requirement
• PC (486 type or higher) with Microsoft “Windows” Operating System
• One COM-port free for usage
• The Data Transfer Jig (p/n 1-792-172-11)
PREPARATION FOR SOFTWARE UPDATE
7-2 Hardware Set-up
• Copy all the files to the PC (define own directory).
• Connect the Data Transfer Jig to the PC COM-port (COM 1 or COM 2) and the CMD-Z28 external connector.
• Attach battery pack to CMD-Z28; the CMD-Z28 is powered up from the battery pack.
• The initial settings of the flash.exe program may not correspond with the normally correct settings. It is highly advisable to
check the settings first (See page 12 for Software Set-up).
7-3 Software Set-up
Start the program Z28Loader.exe by double-clicking its icon on the Explorer in Windows.
Z28 Loader.exe
Settings can be saved to
“flash.ini” in the windows
directory.
• Download Software to Mobile
• Check Load Option to “Download to Mobile”
• Click “START”
• Select a file to download
Usually, you can download only a kind of file.
“nonvm.sre” Software without NVM area.
• Flash erase area is automatically calculated with the contents of the file.
• Connect CMD-Z28 and set battery pack, and then start loading.
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SECTION 8
SAVE PERSONAL DATA IN MOBILE
Check Load Option to “Save Data in Mobile”
Click “START”
Select or input file to save data.
Connect CMD-Z28 and set battery pack, then start reading data from Mobile.
And then save read data in the selected file.
The read data can be downloaded to Mobile with this loader.
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CMD-Z28
SECTION 9
EXPLODED VIEW
NOTE:
•
The parts with no reference in the exploded
view are not supplied.
The construction parts of an assembled part
are indicated with a collation number in the
remark column.
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
•
LCD1
ANT101
11
2
main board ass'y
8
not supplied
CN205
6
3
5
7
12
4
15
14
9
MIC213
13
1
CN401
17
10
16
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
2
3
4
5
A-3649-323-A CABINET (FLIP) ASSY
A-3649-322-A CABINET (UPPER) ASSY
3-229-711-11 BEARING ASSY (L)
3-229-712-11 BEARING ASSY (R)
3-046-958-01 CUSHION, BEARING
ANT101 1-754-123-11 ANTENNA (DUAL BAND)
CN205 1-794-139-21 CONNECTOR, CARD (SIM)
CN401 1-793-786-11 CONNECTOR, CELLULAR (WITH RF)
LCD1
1-803-928-11 INDICATOR MODULE, LIQUID CRYSTAL
MIC213 1-542-470-11 MICROPHONE
************************************************************
6
7
8
9
1-786-232-11 SWITCH, RUBBER KEY
X-3378-891-2 LIGHT GUIDE ASSY
X-3380-985-1 CABINET REAR (S) ASSY
3-046-954-01 COVER (CONNECTOR)
1-418-984-61 PWB UNIT, FLEXIBLE
ACCESSORIES & PACKING MATERIALS
*******************************
10
0
1-418-645-14 AC POWER SUPPLY
1-418-868-13 DESK TOP CHARGER
11
12
13
14
15
A-3649-324-A BATTERY ASSY
3-926-356-01 SCREW (ROTARY SWITCH), FITTING
1-544-939-11 SPEAKER
1-418-983-11 ENCODER, ROTARY
1-791-964-12 CORD SET, POWER (EURO TYPE)
1-792-884-11 CORD SET, POWER (UK TYPE)
3-234-126-11 MANUAL, INSTRUCTION (ENGLISH)
1-528-999-11 BATTERY, LITHIUM SECONDARY
3-234-126-31 MANUAL, INSTRUCTION
(TRADITIONAL CHINESE)
16
17
1-763-510-11 MOTOR, DC
3-046-962-01 HOLDER (VIBRATION)
3-047-243-01 HAND STRAP
(Hong Kong/Malaysia)
Sony Corporation
Digital Telecommunications Network Company
9-873-707-01
2001F0500-1
C 2001. 6
Published by Quality Assurance Dept.
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