Samsung SGH-E890 Bedienungsanleitung

GSM TELEPHONE

SGH-E890

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

Samsung Electronics Co.,Ltd.

2006. 12. Rev.1.0

ⓒ

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

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 Part list...............................................................................................5-2

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

6. MAIN Electrical Parts List

7. Block Diagrams

7-1. RF Solution Block Diagrams.....................................................................................7-1

7-2. Base Band Block Diagrams......................................................................................7-3

8. PCB Diagrams

CONTENTS

9. Flow Chart of Troubleshooting

9-1. Power On...................................................................................................................9-1

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

9-3. Charging Part.............................................................................................................9-7

9-4. Sim Part.....................................................................................................................9-8

9-5. Microphone Part .....................................................................................................9-10

9-6. Speaker Part(MP3/Spk)...........................................................................................9-12

9-7. Key Data Input........................................................................................................9-14

9-8. Receiver Part...........................................................................................................9-15

9-9. LCD Part..................................................................................................................9-16

9-10. Camera Part...........................................................................................................9-18

9-11. Trans Flash Card Part..........................................................................................9-20

9-12. TV OUT..................................................................................................................9-22

9-13. Bluetooth Part........................................................................................................9-23

9-14. Main Key LED Part...............................................................................................9-25

9-15. GSM900 Receiver..................................................................................................9-26

9-16. GSM900 Transmitter..............................................................................................9-27

9-17. DCS Receiver........................................................................................................9-28

9-18. DCS/PCS Transmitter............................................................................................9-29

9-19. PCS Receiver.........................................................................................................9-30

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 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 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.

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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 a circuit board.

SAMSUNG Proprietary-Contents may change without notice

2. Specification

This Document can not be used without Samsung's authorization

2-1

PCS1900

1850~1910

1930~1990

512~810

80MHz

270.833kbps

3.692us

576.9us

4.615ms

0.3GMSK

30dBm~0dBm

0pcl ~ 15pcl

-100dBm

GSM900

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 45MHz 45MHz 95MHz

Mod. Bit rate

/BitPeriod

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

Time Slot Period

/ Frame Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK

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

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

Sensitivity -102dBm -102dBm -100dBm

TDMA Mux 8 8 8

Cell Radius 35Km 35Km 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

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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TX Power

control level

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±5 dBm

18 7±5 dBm

19 5±5 dBm

2-2. GSM TX power class

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3.  

3-1

This Document can not be used without Samsung's authorization

 

―  

―    

―   

― 

―  

―   

―

― 

―  

―

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Product Function

3-2

This Document can not be used without Samsung's authorization

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