Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM Samsung SGH-U100 service manual
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GSM TELEPHONE
SGH-U100
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. 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 General Specification
GSM900 E G S M 9 00 DCS1800
PC S1 90 0
Ph ase 1 Ph ase 2 Ph ase 1
Freq. Band[MHz] 890~915 880~915 1710~1785 1850~1910
Uplink/Downlink 935~960 925~960 1805~1880 1930~1990
0~124 &
ARFCN range 1~124 512~885 512~810
975~1023
Tx/Rx spacing 45 MHz 45 MHz 95 MHz 80 MHz
Mod. Bit rate/ 270.833 kbps 270.833 kbps 270.833 kbps 270.833 kbps
Bit Period 3.692 us 3.692 us 3.692 us 3.692 us
Time Slot
576.9 us 576.9 us 576.9 us 576.9 us
Period/Frame
4.615 ms 4.615 ms 4.615 ms 4.615 ms
Period
Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK
MS Power 33 dBm~13 dBm 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm
Power Class 5 pcl ~ 15 pcl 5 pcl ~ 19 pcl 0 pcl ~ 15 pcl 0 pcl ~ 15 pcl
Sensitivity -102 dBm -102 dBm -100 dBm -100 dBm
TDMA Mux 8 8 8 8
Cell Radius 35 Km 35 Km 2 Km -
1-1
Speclflcation
1-2. GSM Tx Power Class
TX Power TX Power TX Power
GSM900 DCS1800 PCS1900
control level control level control level
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