Manual E810_20SVC(GH68-05709A)-1026.pdf

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GSM TELEPHONE
SGH-E810
SERVICE
GSM TELEPHONE
1.
2.
3.
4.
5.
6.
Manual
CONTENTS
Specification
Flow Chart of Troubleshooting
Exploded Views and Parts List
Electrical Parts List
Block Diagrams
PCB Diagrams
1. SGH-E810 Specification
1. GSM General Specification
GSM900
Phase 1
Freq. Band[MHz]
Uplink/Downlink
ARFCN Range
Tx/Rx Spacing
Mod. Bit Rate/
Bit Period
Time Slot Period
/Frame Period
Modulation
MS Power
Power Class
Sensitivity
TDMA Mux
Cell Ridius
890~915
935~960
1~124
45MHz
270.833KHz
3.692us
576.9us
4.615ms
0.3GMSK
33dBm~13dBm
5pcl~15pcl
-102dBm
8
35Km
EGSM900
Phase 2
880~915
925~960
0~124 &
975~1023
45MHz
270.833KHz
3.692us
576.9us
4.615ms
0.3GMSK
33dBm~13dBm
5pcl~19pcl
-102dBm
8
35Km
DCS1800
Phase 1
1710~1785
1805~1880
512~885
95MHz
270.833KHz
3.692us
576.9us
4.615ms
0.3GMSK
33dBm~13dBm
0pcl~15pcl
-100dBm
8
2Km
1-1
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SGH-E810 Specification
2. GSM TX power class
TX Power
Control Level
5
6
7
8
9
10
11
GSM900
33±2dBm
29±2dBm
27±2dBm
25±2dBm
23±2dBm
21±2dBm
19±2dBm
TX Power
Control Level
0
1
2
3
4
5
DCS1800
30±3dBm
28±3dBm
26±3dBm
24±3dBm
22±3dBm
20±3dBm
6
18±3dBm
12
17±2dBm
7
16±3dBm
13
15±2dBm
8
14±3dBm
14
15
16
17
18
19
13±2dBm
11±2dBm
9±3dBm
7±3dBm
5±3dBm
3±3dBm
9
10
11
12
13
14
15
12±4dBm
10±4dBm
8±4dBm
6±4dBm
4±4dBm
2±5dBm
0±5dBm
1-2
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2. SGH-E810 Flow Chart of Troubleshooting
1. Power ON
'Power ON' Does not work
Check the current consumption
Current consumption
≥100mA ?
YES
Check the V bat. voltage
NO
Down load again
Voltage ≥ 3.3V ?
YES
Check the pin of U100
NO
Charge the Battery
pin #11 ≥ 2.8V ?
YES
pin #39 and #33 = 2.8V
YES
NO
Check U100 and C114
NO
NO
Pin #9=1.8V?
YES
Check U100 and C113
Check the clock signal
at pin #3 of OSC400
Freq.=13MHz,Vrms 300mV
YES
Check the Initial operation
NO
Check the clock generation
circuit (OSC400, U405 pin#4)
END
2-1
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SGH-E810 Flow Chart of Troubleshooting
2. System Initial
Initial Failure
The pin #9 of U100 = 1.8V
and pin #11 of U100=2.8V?
YES
NO
Check the U100
(If it has some problem,
it has to be replaced.)
Is the pin #19 of U100
" Low --> High" ?
YES
There is 32.768KHz wave
form at the C327, C328 ?
YES
NO
Check the U100
(If it has some problem,
it has to be replaced.)
NO
Check the U304
Is the pin #25 of U100
is High ?
YES
NO
Check the U300
The voltage is "High"
at the C107,C109,C110 ?
YES
NO
Check the U100
NO
LCD Display OK ?
YES
Sound operation OK ?
YES
END
2-2
Check the LCD part
NO
Check the Audio part
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