SGH-C260_sm.pdf

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GSM TELEPHONE
SGH-C260
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
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Contents
1. Specification
1-1. GSM 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 ...............................................................................................................2-9
2-4. Assembly ..................................................................................................................2-11
3. Chart of Troubleshooting
3-1. Baseband ............................................................................................................3-1
3-1-1. Power ON .....................................................................................................3-1
3-1-2. System Initial ................................................................................................3-5
3-1-3. SIM Part .......................................................................................................3-8
3-1-4. Charging Part .............................................................................................3-10
3-1-5. Microphone Part .........................................................................................3-12
3-1-6. Speaker Part ..............................................................................................3-15
3-1-7. Camera Part ..............................................................................................3-18
3-1-8. LCD .............................................................................................................3-21
3-2. RF ......................................................................................................................3-13
3-2-1. EGSM Rx ...................................................................................................3-23
3-2-2. DCS Rx ......................................................................................................3-24
3-2-3. PCS Rx ......................................................................................................3-25
3-2-4. EGSM Tx ...................................................................................................3-27
3-2-4. DCS & PCS Tx .........................................................................................3-28
3-2-6. BLUETOOTH ..............................................................................................3-30
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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. GSM General Specification
GSM 900
DCS1800
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
ARFCN range
0~124
& 975~1023
512~885
Tx/Rx spacing
45MHz
95MHz
GPRS
270.833Kbps
3.692us
270.833Kbps
3.692us
Mod. Bit rate/
Bit Period
812.5Kbps
3.692us
812.5Kbps
3.692us
EDGE
Time Slot Period/Frame Period
576.9us
4.615ms
576.9us
4.615ms
GPRS
0.3GMSK
0.3GMSK
Modulation
EDGE
8PSK
8PSK
GPRS
33dBm~5dBm
30dBm~0dBm
MS Power
EDGE
27~5dBm
26~0dBm
GPRS
5pcl~19pcl
0pcl~15pcl
Power Level
EDGE
8~19(class E2)
2~15(class E2)
Sensitivity
-102dBm
-100dBm
TDMA Mux
8
8
Cell Radius
35Km
2Km
1-1
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Speclflcation
1-2. GSM Tx Power Class
TX Power
control level
GSM900
TX Power
control
level
DCS1800
5
33±2dBm
0
30±2dBm
6
31±3dBm
1
28±3dBm
7
29±3dBm
2
26±3dBm
8
27±3dBm
3
24±3dBm
9
25±3dBm
4
22±3dBm
10
23±3dBm
5
20±3dBm
11
21±3dBm
6
18±3dBm
12
19±3dBm
7
16±3dBm
13
17±3dBm
8
14±3dBm
14
15±3dBm
9
12±4dBm
15
13±3dBm
10
10±4dBm
16
11±5dBm
11
8±4dBm
17
9±5dBm
12
6±4dBm
18
7±5dBm
13
4±4dBm
19
5±5dBm
14
2±5dBm
15
0±5dBm
1-2
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