Samsung SGH-P940 Bedienungsanleitung

GSM TELEPHONE

SGH-P940

GSM TELEPHONE CONTENTS

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View/Disassembly

and Assembly Instructions

6. MAIN Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

9. Flow Chart of Troubleshooting

10. Reference data

CONTENTS

1. Safety Precautions

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

1-2. ESD(Electrostatically Sensitive Devices) Precaution...............................................1-2

2. Specification

2-1. GSM General Specification.......................................................................................2-1

2-2. GSM Tx Power Class...............................................................................................2-2

3. Product Function

4. Array course control

4-1. Software Adjustments................................................................................................4-1

4-2. Software Downloading...............................................................................................4-2

5. Exploded View/Disassembly & Assembly Instructions

5-1. Cellular phone Exploded View ................................................................................5-1

5-2. Cellular phone Parts list............................................................................................5-2

5-3. Disassembly & Assembly Instructions......................................................................5-4

6. MAIN Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

CONTENTS

9. Flow Chart of Troubleshooting

9-1. Power ON..................................................................................................................9-1

9-2. Initial...........................................................................................................................9-4

9-3. Sim Part.....................................................................................................................9-8

9-4. Speaker Part(Melody)..............................................................................................9-11

9-5. Microphone Part.......................................................................................................9-14

9-6. Key Data Input........................................................................................................9-16

9-7. Receiver Part...........................................................................................................9-17

9-8. Back Light (for Color Main LCD)...........................................................................9-19

9-9. Key Back Light........................................................................................................9-22

9-10. Camera Part...........................................................................................................9-24

9-11. GSM Receiver........................................................................................................9-27

9-12. GSM Transmitter....................................................................................................9-29

9-13. DCS Receiver........................................................................................................9-32

9-14. DCS Transmitter....................................................................................................9-34

9-15. PCS Receiver.........................................................................................................9-37

9-16. PCS Transmitter.....................................................................................................9-39

9-17. WCDMA Receiver..................................................................................................9-42

9-18. WCDMA Transmitter..............................................................................................9-44

9-19. DVB-H.....................................................................................................................9-46

10. Reference data

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 a kind of magnetic object or tool, because performance of parts is damaged by

the influence of magnetic force.

―Surely use a standard screwdriver when you disassemble this product, otherwise screw will be

worn away.

―Use a thicken twisted wire when you measure level.

A thicken 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

Packandtuningon.

―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 a repair 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 a circuit board.

SAMSUNG Proprietary-Contents may change without notice

2. Specification

This Document can not be used without Samsung's authorization

2-1

EGSM900 DCS1800 PCS1900 W-CDMA

Freq.

Band[MHz]

Uplink/Downlink

890~915

935~960 1710~1785

1805~1880 1850~1910

1930~1990 1920~1980

2110~2170

ARFCN range 0~124 &

975~1023 512~885 512~810 UL:9612~9888

DL:10562~10838

Tx/Rx spacing 45MHz 95MHz 80MHz 190MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us 3.84Mcps

Time Slot

Period/Frame

Period

576.9us

4.615ms 576.9us

4.615ms Frame length : 10ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK QPSK

HQPSK

MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm 24dBm ~ - 50dBm

Power Class 4

(max +33dBm) 1

(max +30dBm) 1

(max +30dBm) 3

(max +24dBm)

Sensitivity -102dBm -100dBm -100dBm -106.7dBm

TDMA Mux 8 8 8

Cell Radius 35Km 2Km 2Km 2Km

2-1. GSM General Specification

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Specification

2-2

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±3dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control level DCS1800

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TX Power

control level PCS1800

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4 dBm

11 8±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

2-2. GSM TX power class

SAMSUNG Proprietary-Contents may change without notice

3. Product Function

3-1

This Document can not be used without Samsung's authorization

Main Function

―260K Color QVGA Screen (176×320 / 2.15"")

―6.5K OLED sub Screen (80*64/1.09")

―YAMAHA 64 poly

―Multimedia Message Service (MMS)

―E-mail

―Voice recorder

―Java / WAP2.0

―Quad-band(900/1800/1900/2100MHz)

―Bluetooth (Ver1.2)

―DVB-H

―2MEGA CAMERA

SAMSUNG Proprietary-Contents may change without notice

Product Function

3-2

This Document can not be used without Samsung's authorization

SAMSUNG Proprietary-Contents may change without notice

4. Array course control

4-1

This Document can not be used without Samsung's authorization

4-1. Software Adjustments

1. JIG: Download, Trace, Calibration, etc

2. RF test cable: RF test

3. Test cable: JIG to phone

4. TA (Travel Adaptor)

5. Data Link Cable : USB cable

6. Serial cable: PC to JIG

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