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.

SAMSUNG Proprietary-Contents may change without notice

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.

SAMSUNG Proprietary-Contents may change without notice

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)

(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

SAMSUNG Proprietary-Contents may change without notice

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

SAMSUNG Proprietary-Contents may change without notice

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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