Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM Samsung SGH-M300 service manual
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GSM TELEPHONE
SGH-M300
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
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
2-5. LCD KIT Assembly ..................................................................................................2-10
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
1) 2Mega Camera .....................................................................................3-22
2) VGA Camera .........................................................................................3-23
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
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
GS M 900 EGSM 900 DCS1800
Phase 1 Phase 2 Phase 1
F req. Ban d[M Hz] 890~9 15 880~9 15 1710~ 1785
Up link /D ow nlin k 935~9 60 925~9 60 1805~ 1880
AR FC N r ange 1~12 4 0~124 & 512~ 885
975~1 023
T x/ Rx s pacin g 45 M H z 45 MHz 95 MH z
M od. Bit r ate/ 270. 833 Kb ps 270. 833 Kb ps 270. 833 Kb ps
Bi t P eriod 3.692 us 3.692 us 3.692 us
T ime Slo t Pe rio d/Fr ame 576.9 us 576.9 us 576.9 us
Pe riod 4.61 5 ms 4.61 5 ms 4.61 5 ms
M odula ti on 0.3 GMSK 0 .3 G MSK 0.3 GMS K
M S P ow er 33 dBm~1 3 dBm 33 dB m~5 dB m 30 dB m~0 dBm
Pow e r C las s 5 pcl ~ 15 pcl 5 pcl ~ 19 pcl 0 pcl ~ 15 pcl
Se ns iti vity -10 2 dBm -10 2 dBm - 100 dB m
TD M A M u x 8 8 8
C ell R adiu s 35 Km 35 K m 2 Km
1-1
Specification
1-2. GSM TX power class
TX Power GSM900 TX Power DCS1800
control level control level
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