Samsung SGH-C300 Manuel utilisateur

GSM TELEPHONE

SGH-C300

GSM TELEPHONE CONTENTS

1. Specification

2. Exploded View and Parts list

3. Chart of Troubleshooting

4. Array course control

5. Block Diagrams

6. PCB Diagrams

7. MAIN Electrical Parts List

8. Reference data

9. Safety Precautions

10. Product Function

Contents

1. Specification

1-1. GSM/CDMA General Specification ...........................................................................1-1

1-2. GSM TX power class ...............................................................................................1-2

2. Exploded View and Parts list

2-1. Cellular phone Exploded View ..................................................................................2-1

2-2. Cellular phone Parts list ............................................................................................2-2

2-3. Disassembly ...............................................................................................................2-4

2-4. Assembly ....................................................................................................................2-6

3. Flow Chart of Troubleshooting

3-1. Baseband ....................................................................................................................3-1

3-1-1. Power ON .............................................................................................................3-1

3-1-2. Initial ......................................................................................................................3-5

3-1-3. SIM Part ................................................................................................................3-8

3-1-4. Microphone Part ..................................................................................................3-10

3-1-5. Receiver Part ......................................................................................................3-12

3-1-6. Speaker Part .......................................................................................................3-12

3-2. RF .............................................................................................................................3-15

3-2-1. EGSM Rx ............................................................................................................3-15

3-2-2. DCS Rx ...............................................................................................................3-17

3-2-3. EGSM TX ............................................................................................................3-19

3-2-4. DCS TX ...............................................................................................................3-21

4. Array course control

4-1. Downloading Binary Files ......................................................................................4-2

4-2. Pre-requsite for Downloading ................................................................................4-2

4-3. S/W Downloader Program .....................................................................................4-3

5. Block Diagrams

6. PCB Diagrams

Contents

7. MAIN Electrical Parts List

8. Reference data

8-1. Reference Abbreviate ..............................................................................................8-1

9. Safety Precautions

9-1. Repair Precaution ......................................................................................................9-1

9-2. ESD(Electrostaically Sensitive Devices) Precaution ................................................9-2

10. Product Function

1. Specification

1-1

1-1. GSM General Specification

GSM 900

Phase 1

EGSM 900

Phase 2

DCS1800

Phase 1

Freq. Band[MHz]

Uplink/Downlink

890~915

935~960

880~915

925~960

1710~1785

1805~1880

ARFCN range 1~124 0~124 &

975~1023 512~885

Tx/Rx spacing 45 MHz 45 MHz 95 MHz

Mod. Bit rate/

Bit Period

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

Time Slot Period/Frame

Period

576.9 us

4.615 ms

576.9 us

4.615 ms

576.9 us

4.615 ms

Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK

MS Power 33 dBm~13 dBm 33 dBm~5 dBm 30 dBm~0 dBm

Power Class 5pcl~15pcl 5pcl~19pcl 0pcl~15pcl

Sensitivity -102 dBm -102 dBm -100 dBm

TDMA Mux 8 8 8

Cell Radius 35 Km 35 Km 2 Km

Specification

1-2

1-2. GSM TX power class

TX Power

control level GSM900

533±2dBm

631±2dBm

729±2dBm

827±2dBm

925±2dBm

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 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

SAMSUNG Proprietary-Contents may change without notice

2. Exploded View and Parts List

2-1

This Document can not be used without Samsung's authorization

2-1. Cellular phone Exploded View

QFU01

QKP02

QLC01

QKP01

QSP01

QRE02

QAN02

QRE01

QME02

QBA00

QBA01

QIF01

QRF03

QPC01

QMI01

QME01

QMO01

QMP01

QCR05

QCR06

QAN05

QAR01

QFR01

QFL01

QSC01

QRF01

QHI01 QFR01 QFL01

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-2

This Document can not be used without Samsung's authorization

Design LOC Discription SEC CODE

QAN02 　INTENNA-SGHC300 GH42-01026A

QAN05 　ASSY MEC-INTENNA CONTACT GH75-08168A

QAR01 　AUDIO-RECEIVER 3009-001248

QBA00 　PMO-COVER BATT GH72-35005A

QBA01 　INNER BATTERY PACK-800MAH,MAIN GH43-02589A

QCR05 　SCREW-MACHINE 6001-001478

QCR06 　SCREW-MACHINE 6001-001155

QFU01 　ASSY COVER-SLIDE UPPER GH98-02593A

QKP01 　ASSY KEYPAD-MAIN(RUSS/BLK) GH98-03231A

QKP02 　ASSY KEYPAD-SUB(OPEN/SIL) GH98-02701A

QLC01 　ELA UNIT-SGHC300 LCD MODULE KI GH96-02439A

QME01 　UNIT-DOME SHEET (F/K) GH59-03770A

QME02 　UNIT-DOME SHEET (N/K) GH59-03769A

QMI01 　MICROPHONE-ASSY-SGHC300 GH30-00323A

QMO01 　MOTOR-DC 3101-001324

QMP01 　PBA MAIN-SGHC300 (PBA MAIN) GH92-03086A

QPC01 　MEA-SLIDE FPCB KIT GH97-06882A

QRE02 　ASSY BRACKET-REAR GH98-02598A

QRF01 　MPR-TAPE SHEET RF GH74-28478A

QSC01 　MPR-TAPE COVER SHEET SCREW GH74-28472A

QSP01 　SPEAKER 3001-002083

QHI01 　ASSY HINGE-SLIDE GH98-02594A

　QFL01 ASSY COVER-SLIDE LOWER GH98-02595A

　QFR01 ASSY CASE-FRONT GH98-02596A

QRE01 　ASSY CASE-REAR GH98-02597A

　QRF03 PMO-COVER EAR GH72-35003A

　QIF01 PMO-COVER IF GH72-35004A

2-2. Cellular phone Parts list

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-3

This Document can not be used without Samsung's authorization

Discription SEC CODE

BAG PE 6902-000297

ADAPTOR-EU 220V TYPE(BLK) GH44-01334A

LABEL(P)-WATER SOAK GH68-02026A

MANUAL-SFC GH68-04336A

LABEL(P)-BARCODE RUSSIA GH68-08494A

MANUAL USERS-EU RUSSIAN GH68-12796A

LABEL(R)-MAIN(SER) GH68-13315B

BOX(P)-UNIT MAIN(SER) GH69-04832B

PMO-COVER SLIDE WINDOW GH72-35006A

RMO-RUBBER CSP GH73-08597A

RMO-RUBBER LCD PBA GH73-08818A

MPR-GASK TAPE GH74-24020A

MPR-TAPE IF COVER GH74-24740A

MPR-GASK TAPE GH74-24796A

MPR-SPONGE INTENNA GH74-28468A

MPR-TAPE SLIDE WINDOW GH74-28470A

MPR-VINYL BOHO WINDOW GH74-28851A

MPR-SPONGE MAIN PCB GH74-29058A

MPR-SPONGE LCD FPCB GH74-29059A

MPR-TAPE ESD GH74-29066A

MPR-TAPE FPCB BACK B GH74-29067A

MPR-SPONGE KEYPAD GH74-29255A

MPR-INSU TAPE GH74-29334A

MPR-ELEC TAPE GH74-29335A

MPR-INSU TAPE GH74-29352A

MPR-SPONGE SPK GH74-29444A

MPR-SPONGE GH74-29579A

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-4

This Document can not be used without Samsung's authorization

2-3. Disassembly

1)Disjoint the REAR screw of 4 points.

※caution

1) Be careful of scratch.

1) After get out the cover of earjack and IF connector

cover, disjoint REAR's lower locker and upper locker

as a picture below.

※caution

1) Be careful of scratch.

1) Disjoint two lockers assembled with PBA.

※caution

1) Be careful of the damage of devices.

1) Remove the green tape on the FPCB with

tweezers.

2) Disjoint the FPCB by desoldering.

※caution

1) Be careful of the FPCB's crack

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-5

This Document can not be used without Samsung's authorization

1) Remove the green tape from the FPCB

2) Disjoint the FPCB with desoldering.

※caution

1) Be careful of the FPCB's crack.

1) Remove the motor with tweezers.

2) Remove the receiver with tweezers.

※caution

1)Be careful of the damages of motor and receiver

wires.

1) Disjoint 6 screws.

※caution

1) Be careful of scratch.

2) Use the '+' screwdriver.

1) Disjoint HINGE ASS'Y as a picture below

※caution

1) Be careful of the damage of FPCB

M1.4*L3.0

M1.4*L3.5

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