Samsung SGH-E400 User manual

SGH-E400
SERVICE
Manual
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded Views and Parts List
3. Electrical Parts List
4. Flow Chart of Troubleshooting
5. Block Diagrams
6. PCB Diagrams
GSM TELEPHONE

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1. SGH-E400 Specification
1-1
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1. GSM General Specification
GSM900
Phase 1 EGSM 900 Phase 2 DCS1800 Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink 890~915 935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period 270.833kbps 3.692us 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 576.9us 4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -

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SGH-E400 Specification
1-2
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2. GSM TX power class
TX Power
control level GSM900
5 33±2dBm
6 31±2dBm
7 29±2dBm
8 27±2dBm
9 25±2dBm
10 23±2dBm
11 21±2dBm
12 19±2dBm
13 17±2dBm
14 15±2dBm
15 13±2dBm
16 11±3dBm
17 9±3dBm
18 7±3dBm
19 5±3dBm
TX Power
control level DCS1800
0 30±3dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm
TX Power
control level PCS1900
0 30±3dBm
1 28±3dBm
2 26±3dBm
3 24±3dBm
4 22±3dBm
5 20±3dBm
6 18±3dBm
7 16±3dBm
8 14±3dBm
9 12±4dBm
10 10±4dBm
11 8±4dBm
12 6±4dBm
13 4±4dBm
14 2±5dBm
15 0±5dBm

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2. SGH-E400 Exploded View and its Parts list
2-1
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1. Cellular phone Exploded View
1
2
4
5
6
7
8
9
10
11
12
13
17
18
19
20
16
15
14
3

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SGH-E400 Exploded view and its Part list
2-2
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NO Description SEC.CODE REMARK
1DUAL WINDOW LCD GH72-07016A
2FOLDER UPPER GH75-02792D
3LCD GH07-00303A
4SPEAKER 3001-001402
5MOTOR GH31-00051A
6FOLDER LOWER GH75-02791A
7MAIN WINDOW LCD GH72-07015A
8SCREW 6001-001478
9FRONT COVER GH75-02790E
10 VOLUME KEY GH75-02795A
11 KEYPAD GH75-02794A
12 MAIN PBA GH92-01465A
13 ANTENNA GH42-00274A
14 DOME SHEET GH59-00724A
15 MIC GH30-00047A
16 CONNECTOR COVER GH72-07032A
17 REAR COVER GH75-02796A
18 SCREW 6001-001478
19 RF COVER GH73-01819A
20BATTERY GH43-00826A 900MAH
GH43-00827A 700MAH
2. Cellular phone Parts list

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SGH-E400 Exploded view and its Part list
2-3
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3. Test Jig (GH80-00865A)
3-1. RF Test Cable
(GH39-00090A)
3-2. Test Cable
(GH00-00127A)
3-3. Serial Cable
3-4. Power Supply Cable 3-5. DATA CABLE
(GH39-00159A)
3-6. TA
(GH44-00184A)

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3. SGH-E400 MAIN Electrical Parts List
3-1
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 

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SGH-E400 Electrical Parts List
3-2
This Document can not be used without Samsung's authorization
  
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 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SAMSUNG Proprietary-Contents may change without notice
SGH-E400 Electrical Parts List
3-3
This Document can not be used without Samsung's authorization
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SAMSUNG Proprietary-Contents may change without notice
SGH-E400 Electrical Parts List
3-4
This Document can not be used without Samsung's authorization
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 







  

























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
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
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
  
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








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




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

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








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