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SAMSUNG Anycall
SGH-X480
SGH-X480C
SGH-X488
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.: GH68-06818A
BASIC.
1 . S p e c if ic a t io n
1. GSM General Specification
EGS M 9 0 0 D CS 1 8 0 0 PC S 1 9 0 0
Ph a s e 2 Ph a s e 1 P h as e 1
F r eq . B a n d [M Hz ] 8 8 0 ~9 1 5 1 7 1 0 ~1 7 8 5 1850~1910
Up l in k / Do w n li n k 9 2 5 ~9 6 0 1 8 0 5 ~1 8 8 0 1930~1960
A RF C N r a n g e 0 ~1 2 4 & 9 7 5 ~ 1 0 2 3 5 1 2 ~8 8 5 512~810
T x /R x s p ac in g 4 5 MH z 9 5 MH z 8 0 M Hz
Mo d . B i t r at e/ 2 7 0 .8 3 3 k b p s 2 7 0 .8 3 3 k b p s 2 7 0 .8 3 3 k b p s
Bi t Pe r i o d 3 .6 9 2 u s 3 .6 9 2 u s 3 .6 9 2 u s
Ti me Sl o t 5 7 6 .9 u s 5 7 6 .9 u s 5 7 6 .9 u s
P er io d / F r am e P er i o d 4 . 6 1 5 ms 4 . 6 1 5 ms 4 .6 1 5 m s
Mo d u l a ti o n 0 . 3 GMS K 0 . 3 GMS K 0 .3 GM SK
M S P o we r 3 3 d B m~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 9 p c l 0pcl ~ 15pcl 0pcl ~ 15pcl
Se n si t iv i t y - 1 0 2 d Bm - 1 0 0 d Bm -100dBm
TDM A M u x 8 8 8
C el l Ra d iu s 35Km 2Km 2 Km
O p er a ti n g
- 2 0