SGH-E840_sm.pdf

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GSM TELEPHONE
SGH-E840
GSM TELEPHONE
1.
2.
3.
4.
5.
6.
7.
8.
9.
CONTENTS
Specification
Exploded View and Parts list
Chart of Troubleshooting
Array course control
Block Diagrams
PCB Diagrams
MAIN Electrical Parts List
Reference data
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. Chart of Troubleshooting
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
1. Specification
1-1. GSM/WCDMA General Specification
EG SM 900
Phase 2
Fr eq. Band[ MHz]
Uplink/Downlink
ARFCN r ange
Tx/ Rx sp acing
Mod. Bit rat e/
Bit Per iod
T im e S lot
Per iod/ Fra me
Period
Modu lation
824~849
869~894
128~251
45 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
EGSM 900
Ph ase 2
880~915
925~960
0~124 &
975~1023
45 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
DCS1800
Ph ase 1
1710~1785
1805~1880
512~885
95 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
PCS1 900
1850~1910
1930~1990
512~810
80 MHz
270.833 kbps
3.692 us
576.9 us
4.615 ms
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 Cl ass
Sensitivity
T DM A M u x
Cell Radius
5 pcl ~ 19 pcl
-102 dBm
8
35 Km
5 pcl ~ 19 pcl
-102 dBm
8
35 Km
0 pcl ~ 15 pcl
-100 dBm
8
2 Km
0 pcl ~ 15 pcl
-100 dBm
8
-
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Specification
1-2. GSM TX power class
TX Power
control level
5
EGSM850
EGSM900
33±2 dBm
TX Power
control level
0
DCS1800
TX Power
control level
0
PCS1900
30±3 dBm
30±3 dBm
6
31±2 dBm
1
28±3 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
8
14±3 dBm
14
15±2 dBm
9
10
12±4 dBm
10±4 dBm
9
10
12±4 dBm
10±4 dBm
15
13±2 dBm
16
11±3 dBm
11
8±4 dBm
11
8±4 dBm
17
9± 3dBm
12
6±4 dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
14
2±5 dBm
15
1-2
0±5 dBm
15
0±5 dBm
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization

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