Samsung SGH-Z370 service manual, samsung service manuals schematy serwisowki
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GSM TELEPHONE
SGH-Z370
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
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
ⓒ
Samsung Electronics Co.,Ltd.
2006. 11. Rev.1.0
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
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
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/WCDMA General Specification
EGSM 900
Phase 2
DCS1800
Phase 1
PCS1900
WCDMA
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
1920~1980
2110~2170
ARFCN range
0~124 &
975~1023
512~885
512~810
10562~10838
T x / R x s p a c i n g
45 MHz
95 MHz
80 MHz
190 MHz
Mod. Bit rate/
Bit Period
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
3.84 Mcps/s
Time Slot
Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
10 ms
Modulation
0.3 GMSK
0.3 GMSK
0.3 GMSK
UL:2BPSk
DL:QPSK
MS Power
33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
MAX:24(+1,-3) dBm
MIN:<-50 dBm
P o w e r C l a s s
5 pcl ~ 19 pcl
0 pcl ~ 15 pcl
0 pcl ~ 15 pcl
CLASS3
S e n s i t i v i t y
-102 dBm
-100 dBm
-100 dBm
-106.7 dBm
TDMA Mux
8
8
8
-
Cell Radius
35 Km
2 Km
-
-
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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