Samsung B2700 User manual

GSM TELEPHONE
Samsung B2700
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts list
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
Instructions
GSM TELEPHONE CONTENTS

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1. Safety Precautions
1-1
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1-1. Repair Precaution
●Repair in Shield Box, during detailed tuning.
Take specially care of tuning or test,
because specipicty of cellular phone is sensitive for surrounding interference(RF noise).
●Be careful to use akind of magnetic object or tool,
because performance of parts is damaged by the influence of manetic force.
●Surely use astandard screwdriver when you disassemble this product,
otherwise screw will be worn away.
●Use athicken twisted wire when you measure level.
Athicken twisted wire has low resistance, therefore error of measurement is few.
●Repair after separate Test Pack and Set because for short danger (for example an
overcurrent and furious flames of parts etc) when you repair board in condition of
connecting Test Pack and tuning on.
●Take specially care of soldering, because Land of PCB is small and weak in heat.
●Surely tune on/off while using AC power plug, because arepair of battery charger is
dangerous when tuning ON/OFF PBA and Connector after disassembing charger.
●Don't use as you pleases after change other material than replacement registered on SEC
System.
Otherwise engineer in charge isn't charged with problem that you don't keep this rules.

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Safety Precautions
1-2
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1-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easilly by static electricity. Such parts are called by
ESD(Electrostatically Sensitive Devices), for example IC,BGA chip etc. Read Precaution below.
You can prevent from ESD damage by static electricity.
●Remove static electricity remained your body before you touch semiconductor or parts with
semiconductor. There are ways that you touch an earthed place or wear static electricity
prevention string on wrist.
●Use earthed soldering steel when you connect or disconnect ESD.
●Use soldering removing tool to break static electricity. ,otherwise ESD will be damaged by
static electricity.
●Don't unpack until you set up ESD on product. Because most of ESD are packed by box
and aluminum plate to have conductive power,they are prevented from static electricity.
●You must maintain electric contact between ESD and place due to be set up until ESD is
connected completely to the proper place or acircuit board.

2. Specification
2-1
2-1. GSM General Specification
GSM850 EGSM 900
Phase 2 DCS1800 PCS1900 WCDMA
Freq. Band[MHz]
Uplink/Downlink
824~849
869~894
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1920~1980
2110~2170
ARFCN range 128~251 0~124 &
975~1023 512~885 512~810 10562~10838
Tx/Rx spacing 45 MHz 45 MHz 95 MHz 80MHz 190MHz
Mod. Bit rate/
Bit Period
270.833 Kbps
3.692 us
270.833 Kbps
3.692 us
270.833 Kbps
3.692 us
270.833 Kbps
3.692 us 3.84Mcps/s
Time Slot
Period/
Frame Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms 10ms
Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK Up Link:2BPSK
Down Link:QPSK
MS Power 33 dBm~5 dBm 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm MAX:24(+1.-3)dBm
MIN:<-50dBm
Power Class 5pcl ~19pcl 5pcl ~19pcl 0pcl ~15pcl 0pcl ~15pcl CLASS 3
Sensitivity -102 dBm -102 dBm -100 dBm -102 dBm -106.7 dBm
TDMA Mux 8888-
Cell Radius 35 Km 35 Km 2 Km - -

Specification
2-2
2-2. GSM TX power class
TX Power
control level
GSM850
GSM900
5 33±3 dBm
6 31±3 dBm
7 29±3 dBm
8 27±3 dBm
9 25±3 dBm
10 23±3 dBm
11 21±3 dBm
12 19±3 dBm
13 17±3 dBm
14 15±3 dBm
15 13±3 dBm
16 11±5 dBm
17 9±5dBm
18 7±5 dBm
19 5±5 dBm
TX Power
control level DCS1800
030±3
dBm
128±3
dBm
226±3
dBm
324±3
dBm
422±3
dBm
520±3
dBm
618±3
dBm
716±3
dBm
814±3
dBm
912±4
dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4 dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm

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3. Product Function
3-1
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Main Function
-Pedometer
-Compass
-Torch Light
-2MAF CMOS Camera
-Music Player
-FM Radio
-Bluetooth 2.0
-USB 2.0 Highspeed

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4. Array course control
4-1
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4-1. Software Adjustments
Test Cable (GH39-01160A)
Test Jig (GH99-36900A)
RF Test Cable (GH99-38251A)
RF Test Cable (GH39-00985A)

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Array course control
4-2
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Software Downloading
4-1. Downloading Binary Files
ㆍBinary Version can be changed.
File Comments
B2700XXHG5_Open_Europe_Common_Comp.ptt Binary files
4-2. Pre-requsite for Downloading
ㆍDownloader Program(Flash loader v1.3 Lite 7.0.7_CRC_STALL.exe)
ㆍSAMSUNG B2700 Mobile Phone
ㆍData Cable
ㆍZIG Box(GH80-03306A)
ㆍBinary files
4-3. S/W Downloader Program
1. Load the binary download program by executing the
"Flash loader v1.3 Lite 7.0.7_CRC_STALL.exe".
[Program main window]

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Array course control
4-3
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2. ㆍClick "NAND_FLASH"to select type of memory chip of SAMSUNG B2700
on the location menu.
ㆍCheck "Erase and Write"to select option on Command.
ㆍCheck "USB"on Communication Settings.
3. Click "Partition Table" to load Binary folder.

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Array course control
4-4
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If the previous processes were successful, you can find new window as below.
4. Click "Browse" button to load Binary file.
Find adirectory that binary files are saved.
Select ".ppt"file and click "열기(OPEN)"

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Array course control
4-5
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5. If you choose the correct binary then press "OK".
5Press "START".
6. Connect SAMSUNG B2700 mobile phone to computer via data cable.
And Press number keys at the same time "1 and 7" or "Navi down key and
Right soft key". You must keep the this state until turn on the power of switch
on azigbox then you find the message below.

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Array course control
4-6
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7. If Binary is downloaded successively,you can find below message.

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Array course control
4-7
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8. Recommedations
Don't touch the mobile phone while downloading to prevent disconnecting.
Disconnection while downloading is critical to phone condition.
Main PBA would be damaged by disconnection while downloading.
If all files are downloaded, it is recommended to do full reset.
Full reset : *2767*3855#

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5. Exploded View and Parts List
5-1
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5-1. Cellular phone Exploded View
QLC01
QCA02
QMW02
QAR01
QME03
QMP01
QSP01
QMO02
QCA01
QRE01
QCR10
QBA00
QFR01
QSH02
QSH01
QSH03
QAN02
QKP01
QME01
QBR04
QCR12
QCW02
QCW01
QDC02
QSC01
QCR05
QCK01
QCK02
QDC01
QSC01
QCR05 QVO01
QIF01

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Exploded View and Parts List
5-2
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Design LOC Discription SEC CODE
QAN02 INTENNA-GT-B2700 GH42-01644A
QAR01 AUDIO-RECEIVER 3009-001328
QBA00 PMO COVER-BATTERY GH72-48195A
QCA01 ELA UNIT-MEGA CAMERA MODULE AS GH96-03187A
QCA02 ASSY CAMERA-CIF CAMERA GT_B270 GH96-03291A
QCR05 SCREW-MACHINE 6001-001478
QCR10 SCREW-MACHINE 6001-001633
QLC01 ELA ETC-LCD MODULE GH96-03339A
QME03 UNIT-FLASH FPCB GH59-05928A
QMO02 MOTOR-DC 3101-001315
QMP01 A/S ASSY-GT_B2700 GH82-03159A
QMW02 PCT WINDOW-MAIN GH72-48197A
QSC01 ASSY COVER-SCREW CAP GH98-09899A
QSH01 ICT SHIELD-CAN TOP 1GH70-04145A
QSH02 ICT SHIELD-CAN TOP 2GH70-04146A
QSH03 ICT SHIELD-CAN BTM GH70-04147A
QSP01 UNIT-MODULE SPEAKER(B2700) GH59-05950A
QFR01 ASSY CASE-FRONT GH98-08719A
QBR04 PMO BRACKET-KEY GH72-48190A
QCW01 PCT WINDOW-SUB CAMERA GH72-49741A
QKP01 ASSY KEYPAD-(EU/BLACK) GH98-08723A
QME01 KEY FPCB-GT-B2700KEY PAD FPC GH59-05948A
QRE01 ASSY CASE-REAR GH98-08720A
QCR12 SCREW-MACHINE 6001-001530
QCW02 PCT WINDOW-CAMERA GH72-48196A
QDC01 ASSY DECO-SIDE LGH98-08721A
QIF01 PMO COVER-IF GH72-48198A
QVO01 PMO KEY-VOLUME GH72-48201A
QDC02 ASSY DECO-SIDE RGH98-08722A
QCK01 PMO KEY-CAMERA GH72-48202A
QCK02 PMO KEY-SOFT GH72-48203A
5-2. Cellular phone Parts list

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6-1
This Document can not be used without Samsung's authorization
6. MAIN Electrical Parts List
SEC CODE Design LOC Discription
0403-001547 ZD604 DIODE-ZENER
0404-001250 D300 DIODE-SCHOTTKY
0404-001250 D301 DIODE-SCHOTTKY
0406-001208 ZD605 DIODE-TVS
0406-001208 ZD606 DIODE-TVS
0406-001208 ZD803 DIODE-TVS
0406-001254 ZD800 DIODE-TVS
0406-001254 ZD801 DIODE-TVS
0406-001254 ZD804 DIODE-TVS
0406-001254 ZD805 DIODE-TVS
0406-001254 ZD806 DIODE-TVS
0406-001254 ZD807 DIODE-TVS
0406-001267 ZD600 DIODE-TVS
0406-001267 ZD603 DIODE-TVS
0406-001281 VR701 DIODE-TVS
0406-001281 VR703 DIODE-TVS
0406-001281 VR704 DIODE-TVS
0406-001281 VR705 DIODE-TVS
0406-001281 ZD601 DIODE-TVS
0406-001281 ZD602 DIODE-TVS
0406-001281 ZD810 DIODE-TVS
0406-001281 ZD811 DIODE-TVS
0406-001281 ZD812 DIODE-TVS
0406-001281 ZD813 DIODE-TVS
0406-001281 ZD814 DIODE-TVS
0406-001281 ZD815 DIODE-TVS
0406-001281 ZD816 DIODE-TVS
0406-001306 ZD400 DIODE-TVS
0406-001306 ZD401 DIODE-TVS
0407-001002 D800 DIODE-ARRAY
1108-000157 UME300 IC-MCP
1201-002423 PAM100 IC-POWER AMP
1201-002461 PAM200 IC-POWER AMP
1201-002733 U500 IC-AUDIO AMP
1203-004358 U700 IC-DC/DC CONVERTER
1203-004571 U602 IC-MULTI REG.
1203-005254 U400 IC-POWER SUPERVISOR

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MAIN Electrical Parts List
6-2
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
1203-005362 U701 IC-POSI.FIXED REG.
1203-005408 U200 IC-DC/DC CONVERTER
1204-002906 U101 IC-DEMODULATOR
1205-003283 U100 IC-TRANSCEIVER
1205-003494 U201 IC-TRANSCEIVER
1205-003517 U202 IC-BLUETOOTH
1205-003601 UCP300 IC-MODEM
1209-001712 U300 IC-SENSOR
1209-001766 U600 IC-SENSOR
1209-001818 U603 IC-SENSOR
1209-001819 U601 IC-SENSOR
1405-001177 VR700 VARISTOR
1405-001177 VR702 VARISTOR
2007-000140 R104 R-CHIP
2007-000140 R308 R-CHIP
2007-000140 R500 R-CHIP
2007-000140 R505 R-CHIP
2007-000140 R508 R-CHIP
2007-000140 R511 R-CHIP
2007-000143 R411 R-CHIP
2007-000144 R700 R-CHIP
2007-000146 R701 R-CHIP
2007-000148 R306 R-CHIP
2007-000148 R310 R-CHIP
2007-000148 R322 R-CHIP
2007-000148 R415 R-CHIP
2007-000148 R601 R-CHIP
2007-000148 R606 R-CHIP
2007-000148 R703 R-CHIP
2007-000148 R708 R-CHIP
2007-000148 R709 R-CHIP
2007-000149 R311 R-CHIP
2007-000152 R612 R-CHIP
2007-000157 R218 R-CHIP
2007-000159 R409 R-CHIP
2007-000159 R410 R-CHIP
2007-000159 R412 R-CHIP

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MAIN Electrical Parts List
This Document can not be used without Samsung's authorization
6-3
SEC CODE Design LOC Discription
2007-000159 R413 R-CHIP
2007-000162 R403 R-CHIP
2007-000162 R600 R-CHIP
2007-000162 R602 R-CHIP
2007-000171 R217 R-CHIP
2007-000171 R309 R-CHIP
2007-000171 R320 R-CHIP
2007-000171 R324 R-CHIP
2007-000171 R325 R-CHIP
2007-000171 R408 R-CHIP
2007-000171 R414 R-CHIP
2007-000171 R800 R-CHIP
2007-000171 R801 R-CHIP
2007-000171 R804 R-CHIP
2007-000171 R805 R-CHIP
2007-000566 R613 R-CHIP
2007-000758 R212 R-CHIP
2007-000758 R611 R-CHIP
2007-000775 R323 R-CHIP
2007-001292 R609 R-CHIP
2007-001292 R610 R-CHIP
2007-001319 R314 R-CHIP
2007-001319 R315 R-CHIP
2007-001319 R316 R-CHIP
2007-001319 R317 R-CHIP
2007-001339 R603 R-CHIP
2007-002965 R604 R-CHIP
2007-002965 R605 R-CHIP
2007-003015 R211 R-CHIP
2007-007090 R405 R-CHIP
2007-007133 R326 R-CHIP
2007-007586 R303 R-CHIP
2007-008048 R607 R-CHIP
2007-008048 R608 R-CHIP
2007-008052 R105 R-CHIP
2007-008056 R102 R-CHIP
2007-008419 R502 R-CHIP

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MAIN Electrical Parts List
6-4
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
2007-008419 R504 R-CHIP
2007-008419 R509 R-CHIP
2007-008419 R510 R-CHIP
2007-008542 R213 R-CHIP
2007-008542 R214 R-CHIP
2007-008542 R307 R-CHIP
2007-008816 R103 R-CHIP
2007-009208 R506 R-CHIP
2007-009208 R507 R-CHIP
2203-000233 C124 C-CER,CHIP
2203-000233 C339 C-CER,CHIP
2203-000254 C220 C-CER,CHIP
2203-000254 C238 C-CER,CHIP
2203-000254 C333 C-CER,CHIP
2203-000254 C421 C-CER,CHIP
2203-000254 C703 C-CER,CHIP
2203-000278 C132 C-CER,CHIP
2203-000278 C515 C-CER,CHIP
2203-000278 C516 C-CER,CHIP
2203-000386 C222 C-CER,CHIP
2203-000386 C428 C-CER,CHIP
2203-000386 C509 C-CER,CHIP
2203-000386 C510 C-CER,CHIP
2203-000425 C427 C-CER,CHIP
2203-000425 C810 C-CER,CHIP
2203-000425 C811 C-CER,CHIP
2203-000438 C111 C-CER,CHIP
2203-000438 C234 C-CER,CHIP
2203-000550 C202 C-CER,CHIP
2203-000550 C203 C-CER,CHIP
2203-000550 C239 C-CER,CHIP
2203-000812 C102 C-CER,CHIP
2203-000812 C118 C-CER,CHIP
2203-000812 C119 C-CER,CHIP
2203-000812 C120 C-CER,CHIP
2203-000812 C122 C-CER,CHIP
2203-000812 C514 C-CER,CHIP

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MAIN Electrical Parts List
This Document can not be used without Samsung's authorization
6-5
SEC CODE Design LOC Discription
2203-000812 C600 C-CER,CHIP
2203-000812 C601 C-CER,CHIP
2203-000812 C606 C-CER,CHIP
2203-000812 C607 C-CER,CHIP
2203-000812 C801 C-CER,CHIP
2203-000812 C802 C-CER,CHIP
2203-000812 C803 C-CER,CHIP
2203-000812 C804 C-CER,CHIP
2203-000870 C237 C-CER,CHIP
2203-000995 C805 C-CER,CHIP
2203-001221 C107 C-CER,CHIP
2203-001259 C347 C-CER,CHIP
2203-001259 C348 C-CER,CHIP
2203-002677 C104 C-CER,CHIP
2203-002709 C121 C-CER,CHIP
2203-002709 C133 C-CER,CHIP
2203-002709 C334 C-CER,CHIP
2203-002709 C335 C-CER,CHIP
2203-002709 C336 C-CER,CHIP
2203-002709 C337 C-CER,CHIP
2203-002709 C343 C-CER,CHIP
2203-002709 C419 C-CER,CHIP
2203-002709 C420 C-CER,CHIP
2203-002709 C422 C-CER,CHIP
2203-005281 C105 C-CER,CHIP
2203-005344 C221 C-CER,CHIP
2203-005344 C512 C-CER,CHIP
2203-005344 C513 C-CER,CHIP
2203-005481 C227 C-CER,CHIP
2203-005682 C103 C-CER,CHIP
2203-005682 C128 C-CER,CHIP
2203-005682 C204 C-CER,CHIP
2203-005682 C208 C-CER,CHIP
2203-005682 C223 C-CER,CHIP
2203-005729 C706 C-CER,CHIP
2203-005732 C127 C-CER,CHIP
2203-005736 C117 C-CER,CHIP