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

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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

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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

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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

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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

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Exploded View and Parts List
2-5
This Document can not be used without Samsung's authorization
2-3. Disassembly
1
43
2
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)
<Figure 1> <Figure 2>
Screw B:1.4*4
Screw A:1.4*3
<Figure 1>
<Figure 2>
Screw(1.4*4)
Connector
<Figure 1> <Figure 2>
F-PCB
Connector
<Figure 1> <Figure 2>