Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM Samsung SGH-X640 service manual
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SAMSUNG Anycall
SGH-X640
SAMSUNG Anycall CONTENTS
1. Specification
2. Circuit Description
3. Exploded Views and Parts List
4. Electrical Parts List
5. Block Diagrams
6. PCB Diagrams
7. Flow Chart of Troubleshooting
This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. March. 2005
Any unauthorized use of Manual can be punished under applicable Printed in Korea.
International and/or domestic law.
Code No.: GH68-06819A
BASIC.
1 . S p e c if ic a t io n
1. GSM General Specification
GS M9 0 0 E GS M 9 0 0 DC S 1 8 0 0 P C1 9 0 0
Ph a se 1 Ph a se 2 P h as e 1 P h as e 1
F r eq . B a n d [M Hz ] 8 9 0 ~9 1 5 8 8 0 ~9 1 5 1 7 1 0 ~1 7 8 5 1 8 5 0 ~1 9 1 0
Up l in k / Do w n li n k 9 3 5 ~9 6 0 9 2 5 ~9 6 0 1 8 0 5 ~1 8 8 0 1 9 3 0 ~1 9 9 0
0~124 &
A RF C N r a n g e 1 ~1 2 4 5 1 2 ~8 8 5 5 1 2 ~8 1 0
9 7 5 ~1 0 2 3
T x /R x s p ac in g 4 5 MHz 4 5 MHz 9 5 M Hz 8 0 MH z
Mo d . B i t r at e/ 270.833kbps 2 7 0 .8 3 3 k b p s 270.833kbps 2 7 0 .8 3 3 k b p s
Bi t Pe r i o d 3.692us 3 .6 9 2 u s 3.692us 3 .6 9 2 u s
Ti me Sl o t 576.9us 5 7 6 .9 u s 576.9us 5 7 6 .9 u s
P er io d / F r am e P er i o d 4 .6 1 5 m s 4 .6 1 5 m s 4 .6 1 5 m s 4 .6 1 5 m s
Mo d u l a ti o n 0 .3 G MS K 0 .3 G MS K 0 .3 GM SK 0 .3 GM SK
M S P o we r 3 3 d Bm ~1 3 d B m 3 3 d Bm ~5 d B m 3 0 d B m ~0 d B m 3 0 d B m ~0 d B m
Po w er C l as s 5 p cl ~ 1 5 p c l 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Se n si t iv i t y -102dBm - 1 0 2 d Bm -100dBm -100dBm
TDM A M u x 8 8 8 8
C el l Ra d iu s 3 5 Km 3 5 Km 2 Km 2 Km
1- 1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Specification
2. GSM TX power class
TX Power TX Power
GSM900 DCS1800 TX Power
control level control level PCS1900
control level
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