Samsung SGH-E790 Manuale utente

GSM TELEPHONE

SGH-E790

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 General Specification .......................................................................................1-1

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

1-3. EDGE TX Power Level .............................................................................................1-3

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 ....................................................................................................................2-8

3. Chart of Troubleshooting

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

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

3-1-2. Initial .............................................................................................................3-4

3-1-3. SIM Part .......................................................................................................3-6

3-1-4. Microphone Part ...........................................................................................3-8

3-1-5. Speaker Part_1(MP3, SPEAKER PHONE) ..............................................3-10

3-1-6. Speaker Part_2(RECEIVER) .....................................................................3-13

3-1-7. Charging Part .............................................................................................3-14

3-2. RF ......................................................................................................................3-13

3-2-1. EGSM RX ..................................................................................................3-17

3-2-2. DCS RX .....................................................................................................3-19

3-2-3. PCS RX ......................................................................................................3-21

3-2-4. EGSM TX ...................................................................................................3-22

3-2-5. DCS/PCS TX .............................................................................................3-24

Contents

4. Array course control

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

4-2. Pre-requsite for Downloading ................................................................................4-1

4-3. S/W Downloader Program .....................................................................................4-2

4-4. How to Download ...................................................................................................4-2

5. Block Diagrams

5-1. RF Solution Block Diagram ......................................................................................5-1

5-2. Base Band Solution Block Diagram .........................................................................5-2

6. PCB Diagrams

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

SAMSUNG Proprietary-Contents may change without notice

1. Specification

This Document can not be used without Samsung's authorization

1-1

1-1. GSM General Specification

EGSM900 DCS1800 PCS1900

Freq. Band[MHz]

Uplink/Downlink

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 0~124&

975~1023 512~885 512~810

Tx/Rx spacing 45 MHz 95 MHz 80 MHz

Mod. Bit rate/

Bit Period

GPRS 270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

EDGE 812.5 Kbps

3.692 us

812.5 Kbps

3.692 us

812.5 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

GPRS 0.3 GMSK 0.3 GMSK 0.3 GMSK

EDGE 8 PSK 8 PSK 8 PSK

MS Power

GPRS 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm

EDGE 27~5 dBm 26~0 dBm 26~0 dBm

Power Level

GPRS 5~19(class4) 0~15(class1) 0~15(class1)

EDGE 8~19(class E2) 2~15(class E2) 2~15(class E2)

Sensitivity -102 dBm -100 dBm -102 dBm

TDMA Mux 8 8 8

Cell Radius 35 Km 2 Km 2 Km

SAMSUNG Proprietary-Contents may change without notice

Specification

1-2

This Document can not be used without Samsung's authorization

1-2. GSM TX power class

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±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

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±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

Power

control

level

EGSM900

5 33±2 dBm

6 31±2 dBm

7 29±2 dBm

8 27±2 dBm

9 25±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±2 dBm

17 9±2 dBm

18 7±2 dBm

19 5±2 dBm

SAMSUNG Proprietary-Contents may change without notice

Specification

1-3

This Document can not be used without Samsung's authorization

1-3. EDGE TX Power Level

Power

control

level

DCS1800

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

Power

control

level

PCS1900

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

Power

control

level

EGSM900

827±3dBm

925±3dBm

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

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

QBA00

QFR01

QVO01

QSD01

QKP01

QMP01

QAN02

QRE01

QCR05

QVK01

QME01

QIF01

QCA01

QMW01

QLC01

QFU01

QSP01

QMO01

QHI01

QFL01

QMI03

QMI01

QCR05

QBA01

QCK01

QCA02

QAN05

QSC05

QSC06

QBR05

QLB01

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-SGHE790 GH42-00981A

QAN05 ASSY MEC-INTENNA CONTACT GH75-08168A

QBA00 PMO-COVER BATT GH72-34003A

QBA01 INNER BATTERY PACK-800MAH,BLK, GH43-02644A

QCA01 UNIT-CAMERA GH59-03723A

QCA02 UNIT-CAMERA KEY FPCB GH59-03666A

QCK01 PMO-SIDE KEY CAMERA GH72-34006A

QCR05 SCREW-MACHINE 6001-001478

QKP01 ASSY KEYPAD-MAIN(SER/OS) GH98-03264A

QME01 UNIT-DOMESHEET GH59-03664A

QMI01 MICROPHONE-ASSY-5.25MM GH30-00178C

QMI03 RMO-RUBBER MIC GH73-07953A

QMO01 MOTOR DC-SGHZ130 GH31-00154C

QMP01 PBA MAIN-SGHE790 (PBA MAIN) GH92-02977A

QRE01 ASSY CASE-REAR GH98-02157A

QSC05 RMO-RUBBER F/L SCREW L GH73-07951A

QSC06 RMO-RUBBER F/L SCREW R GH73-07952A

QSP01 SPEAKER 3001-002052

QVK01 UNIT-VOLUME KEY FPCB GH59-03645A

QVO01 PMO-SIDE KEY VOLUME GH72-34007A

QLC01 ELA UNIT-SGHE790 LCD MODULE GH96-02272A

QMW01 ASSY COVER-MAIN WINDOW GH98-02256A

QFU01 ASSY CASE-FOLDER UPPER GH98-02156A

QLB01 ASSY BRACKET-LCD GH98-02159A

QFL01 ASSY CASE-FOLDER LOWER GH98-02155A

QHI01 ASSY MEC-HINGE(CAN TYPE) GH75-04662A

QBR05 ASSY CASE-BRACKET LOWER GH98-03619A

QFR01 ASSY CASE-FRONT GH98-02154A

QIF01 PMO-COVER IF EARJACK GH72-34004A

QSD01 PMO-COVER MICRO SD GH72-34005A

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

CBF INTERFACE-DATA LINK CABLE GH39-00444B

ADAPTOR-SGHE690,SIL,EU,A_TYPE GH44-01361B

S/W CD-SGHE790 PC STUDIO 3.1 GH46-00366A

UNIT-EARPHONE,SGHZ370,SIL,A-TY GH59-03679B

LABEL(P)-WATER SOAK GH68-02026A

MANUAL-SFC GH68-04336A

LABEL(P)-BARCODE RUSSIA GH68-08494A

MANUAL USERS-EU RUSSIAN GH68-13125A

LABEL(R)-MAIN(SER) GH68-13217B

BOX(P)-UNIT MAIN(SER) GH69-04786B

CUSHION-CASE TA2 MA2 GH69-04787A

MPR-REMOVE TAPE LCD GH74-13804A

MPR-TAPE LED GH74-17926A

MPR-TAPE MAIN LDI GH74-19992A

MPR-GASK TAPE GH74-21836A

MPR-VINYL BOHO MAIN WINDOW GH74-22341A

MPR-VINYL BOHO F/L A GH74-26477A

MPR-VINYL BOHO F/U C GH74-26478A

MPR-TAPE GH74-27509A

MPR-GASK TAPE GH74-27520A

MPR-INSU TAPE LCD TOP GH74-27523A

MPR-TAPE FRONT NET GH74-27542A

MPR-INSU TAPE GH74-27955A

MPR-INSU TAPE GH74-27956A

MPR-INSU TAPE GH74-28242A

MPR-SPONGE GH74-29421A

MPR-INSU TAPE LED A GH74-29821A

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) Disassemble the LCD CONNECTOR

2) Disassemble the PBA from the FRONT ASS'Y

3) Remove the DUST TAPE

4) Disassemble the Keypad.

※caution

1) When PBA is separated from LCD Connector,

Be careful not to damage!

2) Be careful not to damage LCD FPCB!

1) Push the hinge between Folder Upper and lower,

And Disassemble Front from Folder.

※caution

1) Be careful not to make scratch and molding

damage!

2) Be careful not to damage LCD FPCB!

1) Unscrew the REAR at the four points.

2) Disassemble the IF COVER

※caution

1) Be careful not to make scratch and molding

damage!

1) Disassemble the Rear from the bottom side

to the upper side.

※caution

1) Be careful not to make scratch and molding

damage!

PULL OUT

"FRONT

CASE"

PULL OUT

"FRONT

CASE"

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