Samsung SGH-i620V service manual.pdf

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GSM TELEPHONE
SGH-I620V
GSM TELEPHONE
1.
2.
3.
4.
5.
6.
7.
8.
9.
CONTENTS
Specification
Exploded View and Parts list
Chart of Troubleshooting
Array course control
Block Diagrams
PCB Diagrams
MAIN Electrical Parts List
Reference data
Safety Precautions
10. Product Function
GSPN (Global Service Partner Network)
Country
Web Site
North America
service.samsungportal.com
Latin America
latin.samsungportal.com
CIS
cis.samsungportal.com
Europe
europe.samsungportal.com
China
china.samsungportal.com
Asia
asia.samsungportal.com
Mideast & Africa
mea.samsungportal.com
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.
2007. 07. 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
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
Ph ase 2
Fr eq. Band[ MHz]
Uplink/Downlink
ARFCN r ange
Tx/ Rx sp acing
Mod. Bit rat e/
Bit Per iod
T im e S lot
Per iod/ Fra me
Period
Modu lation
8 80~915
9 25~960
0~ 124 & 975~10 23
45 MHz
27 0.833 kbps
3 . 692 u s
5 76.9 u s
4. 615 ms
DCS18 00
Ph ase 1
1 710~17 85
1 805~18 80
512~88 5
95 M Hz
27 0.833 kbps
3.692 us
576.9 us
4. 615 ms
PCS190 0
1 850~19 10
1 930~19 90
512~81 0
80 MHz
27 0.833 kbps
3.692 us
576.9 us
4. 615 ms
0 .3 G MSK
0.3 G M SK
0.3 G MSK
M S Power
33 dBm ~5 d Bm
30 dBm ~0 d Bm
30 dBm ~0 d Bm
Power Cl ass
Sensitivity
T DM A M u x
Cell Rad ius
5 pcl ~ 19 pcl
-10 2 dBm
8
35 Km
0 pcl ~ 15 pcl
-1 00 dBm
8
2 Km
0 pcl ~ 15 pcl
-1 00 dBm
8
-
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization

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