Samsung SGH-E840 User manual

GSM TELEPHONE

SGH-E840

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

3. ChartofTroubleshooting

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

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

3-1-2. System Initial ................................................................................................3-6

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

3-1-4. Charging Part .............................................................................................3-10

3-1-5. Microphone Part .........................................................................................3-13

3-1-6. Speaker Part ..............................................................................................3-16

3-1-7. Receiver Part .............................................................................................3-20

3-1-8. Camera Part ..............................................................................................3-22

3-1-9. LCD .............................................................................................................3-26

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

3-2-1. EGSM Receiver .........................................................................................3-30

3-2-2. EGSM Transmitter .....................................................................................3-31

3-2-3. DCS Receiver ............................................................................................3-32

3-2-4. DCS Transmitter ........................................................................................3-33

3-2-5. PCS Receiver .............................................................................................3-34

3-2-6. PCS Transmitter .........................................................................................3-35

3-2-7. UMTS Receiver ..........................................................................................3-40

3-2-8. UMTS Transmitter ......................................................................................3-41

3-2-9. BLUETOOTH ..............................................................................................3-45

Contents

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

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

1-1

This Document can not be used without Samsung's authorization

1-1. GSM/WCDMA General Specification

EGSM 900

Phase 2

EGSM 900

Phase 2

DCS1800

Phase 1 PCS1900

Freq. Band[MHz]

Uplink/Downlink

824~849

869~894

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 128~251 0~124 &

975~1023 512~885 512~810

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

Mod. Bit rate/

Bit Period

270.833 kbps

3.692 us

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

576.9 us

4.615 ms

Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK

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

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

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

TDMA Mux 8 8 8 8

Cell Radius 35 Km 35 Km 2Km -

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Specification

1-2

This Document can not be used without Samsung's authorization

1-2. GSM TX power class

TX Power

control level

EGSM850

EGSM900

533±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± 3dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control level DCS1800

030±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

TX Power

control level PCS1900

030±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

2. Exploded View and Parts List

2-1

This Document can not be used without Samsung's authorization

2-1. Cellular phone Exploded View

QVO01

QMI01

QMI03

QAN02

QRE01

QSC05

QCK02

QCR03

QBA0101

QBC00

QSC14

QME02

QMP01

QCR68

QRF03

QKP02

QFU01

QME03

QCK01

QSP01

QFR01

QCA01

QMW01

QSP02

QLC01

QPC01

QFL01

QHI01

QCR73

QCR04

QSC01

QSC02

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-SGHE840 GH42-01159A

QBA01 INNER BATTERY PACK-690MAH,BLK, GH43-02834A

QBC00 PMO-COVER BATTERY GH72-37452A

QCA01 UNIT-SGHE840,CAMERA MODULE GH59-04333A

QCK01 ASSY KEY-CAMERA GH98-03699A

QCK02 PMO-KEY POWER GH72-37454A

QCR03 SCREW-MACHINE 6001-001811

QCR04 SCREW-MACHINE 6001-001479

QCR66 SCREW-MACHINE 6001-002047

QCR68 SCREW-MACHINE 6001-002067

QCR73 SCREW-MACHINE 6001-002102

QKP02 ASSY KEYPAD-SUB(OPEN/SIL) GH98-03703A

QLC01 LCD-SGHE840 GH07-01113A

QME02 UNIT-SGHE840,SIDE KEY FPCB GH59-04330A

QME03 UNIT-SGHE840,TOUCH KEY FPCB GH59-04332A

QMI01 MICROPHONE-ASSY-SGHE840 GH30-00355A

QMP01 PBA MAIN-SGHE840 GH92-03451A

QMW01 ASSY COVER-MAIN WINDOW GH98-05194A

QPC01 MEA-SLIDE FPCB KIT GH97-07677A

QRE01 ASSY CASE-REAR GH98-03698A

QSC01 PMO-SCREW CAP LGH72-37444A

QSC02 PMO-SCREW CAP RGH72-37445A

QSC05 PMO-DECO REAR GH72-37453A

QSC14 ASSY RUBBER-BGA FRONT GH98-05356A

QSP02 UNIT-SPK,MOT ASSY GH59-04270A

QVO01 ASSY KEY-VOLUME GH98-04996A

QFU01 ASSY CASE-SLIDE UPPER GH98-03695A

QGI11 ASSY COVER-GRILL GH98-04104A

QFL01 ASSY CASE-SLIDE LOWER GH98-03696A

QHI01 ASSY HINGE-SLIDE GH98-04444A

QFR01 ASSY CASE-FRONT GH98-03697A

2-2. Cellular phone Parts list

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Exploded View and Parts List

2-3

This Document can not be used without Samsung's authorization

QRF03 PMO-COVER EAR/IF GH72-37442A

QSD01 PMO-COVER MICRO SD GH72-37443A

QMI03 RMO-RUBBER MIC HOLDER GH73-09017A

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-4

This Document can not be used without Samsung's authorization

Discription SEC CODE

BAG PE 6902-000634

CBF INTERFACE-DLC,X830,SIL,PCB GH39-00720B

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

S/W CD-SGHE840,PC STUDIO 3.1 GH46-00431A

UNIT-SGHU600,HEADSET,SIL,A TYP GH59-04446B

LABEL(R)-WATER SOAK GH68-09361A

LABEL(P)-OPEN MP3 GH68-11246A

LABEL(R)-MAIN(XEF) GH68-14354G

MANUAL USERS-EU FRENCH GH68-14560A

BOX(P)-UNIT MAIN(EU) GH69-05225A

CUSHION-CASE(EU) GH69-05227A

MPR-TAPE LCD PCB GH74-30805A

MPR-TAPE GH74-31892A

MPR-INSU TAPE GH74-31894A

MPR-GASK TAPE LCD FPCB GH74-31896A

MPR-TAPE GH74-31898A

MPR-VINYL BOHO WIN FGH74-31904A

MPR-SPONGE GH74-31906A

TAPE-T-FLASH GH74-32427A

VINYL-BOHO UPPER GH74-33378A

SAMSUNG Proprietary-Contents may change without notice

Exploded View and Parts List

2-5

This Document can not be used without Samsung's authorization

2-3. Disassembly

1) Detach the Connecter of 3*4 key F-PCB.

[Figure 1]

2) Unscrew 2points in intenna module.[Figure 2]

1) Lift the intenna and PBA with tweezer.[Figure 1]

2) Detach the F-PCB.[Figure 2]

1) Detach from rear deco the back of a set with

tweezer.[Figure 1]

2) Unscrew 5points rear bolts the back of a

set.[Figure 2]

※caution

1) Notice the Scratch on the Rear Cover when the

set disjoint.

1) Open the Micro SD Card Cover and Rear Cover

with round tweezer.[Figure 1]

2) Disjoint carefully Rear Cover shaking right and

left[Figure 2]

Rear Deco Screw(1.6*5)

Screw(1.4*3)

Screw B:1.4*4

Screw A:1.4*3

Screw(1.4*4)

Connector

F-PCB

Connector

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