Samsung GT-E1252 Manuale utente
GSM TELEPHONE
GT-E1252
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1Repair
7. Disassembly and Assembly
Instructions
8. Chart of Troubleshooting
9. Reference data
Notice :
All functionality, features, specifications and other
product information provided in this document inclu
ding, but not limited to, the benefits, design, pricing,
components, performance, availability, and capabiliti
-es of the product are subject to change without
notice or obligation. Samsung reserves the right to
make changes to this document and the product
described herein, at anytime, without obligation on
Samsung to provide notification of such change.
GSM TELEPHONE CONTENTS
SAMSUNG Proprietary-Contents may change without notice
1. Safety Precautions
1-1
This Document can not be used without Samsung's authorization
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 magnetic 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 disassembling 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
This Document can not be used without Samsung's authorization
1-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easily 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.
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2. Specification
This Document can not be used without Samsung's authorization
2-1
2-1. GSM General Specification
EGSM 900 DCS1800
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
ARFCN range 0~124 & 975~1023 512~885
Tx/Rx spacing 45MHz 95MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK
MS Power 33dBm~5dBm 30dBm~0dBm
Power Class 4
(max +33dBm)
1
(max +30dBm)
Sensitivity -102dBm -100dBm
TDMA Mux 8 8
Cell Radius 35Km 2Km
SAMSUNG Proprietary-Contents may change without notice
Specification
2-2
This Document can not be used without Samsung's authorization
2-2. GSM Tx Power Class
TX Power
control level GSM900
5 32.5±2 dBm
631±2
dBm
729±2
dBm
827±2
dBm
925±2
dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3 dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 29.5±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
SAMSUNG Proprietary-Contents may change without notice
3. Operation Instruction and Installation
3-1
This Document can not be used without Samsung's authorization
Main Function
•GSM 900/1800
•2.0"
QQVGA 65K TFT (WINTEK)
•40
Poly Ringtones
•Battery 1000mAh
•GSM Dual Band
•Band :900/1800
•BB :PNX 4852 (STE)
•Dual SIM Function
•Mobile Prayer
•SOS Message
•India calendar
•Call time limit
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4. Exploded View and Parts List
4-1
This Document can not be used without Samsung's authorization
4-1. Cellular phone Exploded View
QRE01
QSR89
QBC00
QMW02
QFR01
QAR01
QLC01
QSP01
QCK01
QKP01
QMI01
QMO01
QBA01
QMP01
QME01
QIF01
QCK02
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Exploded View and Parts List
4-2
This Document can not be used without Samsung's authorization
Design LOC Description SEC CODE
QSP01 SPEAKER 3001-002543
QAR01 AUDIO-RECEIVER 3009-001511
QCR89 SCREW-TAPPING 6002-001428
QMI01 MICROPHONE-ASSY-GT_E1252 GH30-00693A
QMO01 MOTOR DC-SCH-S369 GH31-00392A
QBA01 INNER BATTERY PACK-1000MAH,BLK,ENG,EU GH43-03184A
QME01 DOME SHEET-GT-E1252 GH59-09891A
QMW02 PCT WINDOW-GTE1252 GH72-60726A
QMP01 A/S ASSY-PBA MAIN (INU) GH82-05146A
QLC01 ASSY LCD-2.01" QQVGA GT_E1252 GH96-04903A
QFR01 ASSY CASE-FRONT GH98-17627A
QBC00 ASSY COVER-BATT GH98-17629A
QKP01 ASSY KEYPAD-GTE1252(INDA) GH98-17632A
QRE01 ASSY CASE-REAR GH98-17633A
QIF01 ASSY COVER-IF GH98-17628A
QCK02 ASSY KEY-TORCH GH98-17630A
QCK01 ASSY KEY-SIM SW GH98-17631A
4-2. Cellular phone Parts list
SAMSUNG Proprietary-Contents may change without notice
5. MAIN Electrical Parts List
5-1
This Document can not be used without Samsung's authorization
Design LOC SEC CODE Description
ZD200 0403-001688 USFZ5.6V-RTK/H
ZD304 0406-001223 PG05DBTFC
ZD300,ZD301,ZD302 0406-001254 UCLAMP0501P
ZD308,ZD309 0406-001254 UCLAMP0501P
ZD303 0406-001286 PESD5V0L5UV
ZD305,ZD306 0406-001288 PESD5V0S1UL
ZD307 0406-001361 PESD5V0U5BV
D200 0407-001002 DAN222TL
U201 0505-002664 TPCF8304
LED301,LED302,LED303 0601-002846 19-217UTD/S759/TR8
LED304 0601-002846 19-217UTD/S759/TR8
LED300 0601-002890 99-216UMC/3842S3K/TR8
U302 1001-001635 FSA2259UMX
TR100 1003-001440 MDC3105LT1
U200 1003-002367 ET4555Y
UME200 1108-000370 K5N5629ATB-BQ12
PAM100 1201-002931 RF7168
U301 1203-005512 MIC5365-3.3YMT
U102 1203-006272 AHK3293A
U103 1204-003208 AR1210
UCP200 1205-003945 PNX4852
TH200 1404-001221 NCP15WB473J04RC
R311 2007-000138 RC1005J101CS
R301 2007-000139 RC1005J221CS
R300,R305,R312,R313 2007-000141 RC1005J222CS
C137,C138 2007-000143 RC1005J472CS
R102 2007-000147 RC1005J822CS
R200,R201,R323 2007-000148 RC1005J103CS
R123,R318 2007-000157 RC1005J473CS
R238,R241,R242,R302 2007-000172 RC1005J100CS
R306,R307,R310 2007-000172 RC1005J100CS
R308,R309 2007-000173 RC1005J220CS
SAMSUNG Proprietary-Contents may change without notice
Main Electrical Parts List
5-2
This Document can not be used without Samsung's authorization
Design LOC SEC CODE Description
R317 2007-000932 RC1005J471CS
R316 2007-001119 RC1005J681CS
R314,R315 2007-001156 RC1005J751CS
R104 2007-001288 MCR01MZP5J180
R235,R236,R237,R239 2007-001298 RC1005J510CS
R240,R303,R304 2007-001298 RC1005J510CS
R209 2007-001301 MCR01MZP5J680
R120,R121,R211 2007-001333 MCR01MZP5J183
R103 2007-002970 MCR01MZP5J560
R122 2007-003025 RMC16S-6R8J-TP
R105,R106 2007-007008 RC1005J301CS
R205 2007-007698 RK73H1ETP5101F
R203 2007-010071 MCR10EZHFLR100
C215,C313,C319,C322 2203-000386 GRP1555C1H150J
C224,C228 2203-000425 GRP1555C1H180J
C106,C231 2203-000438 GRP155R71H102K
C308,C309,C310 2203-000585 GRP155R71H221KD01E
C327 2203-000627 GRM1555C1H220J
C302 2203-000679 GRP1555C1H270J
C143 2203-000696 GRP1555C1H2R0C
C111,C113,C121,C122 2203-000812 GRP1555C1H330J
C225,C320,C321 2203-000812 GRP1555C1H330J
C105,C234,C236 2203-000995 GRP1555C1H470J
C324,C325 2203-001072 GRP1555C1H560JD01E
C200,C238,C240 2203-002709 C1005Y5V1C104ZT
C108,C112,C114,C119 2203-005281 GRP1555C1H1R5BZ01E
C142 2203-005281 GRP1555C1H1R5BZ01E
C223 2203-005344 GRM155R71E223KA61D
C101,C109,C136,C203 2203-006048 GRM155R71A104K
C204,C205,C226,C235 2203-006048 GRM155R71A104K
C237,C244,C301,C303 2203-006048 GRM155R71A104K
C315,C317,C329 2203-006048 GRM155R71A104K
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