Text preview for : Samsung SGH-X300 service manual.pdf part of Samsung SGH-X300 service manual Samsung GSM Samsung SGH-X300 service manual.pdf



Back to : Samsung SGH-X300 service | Home

GSM TELEPHONE
SGH-X300




GSM TELEPHONE CONTENTS


1. Specification
2. Flow Chart of Troubleshooting

3. Exploded Views and Parts List

4. Main Electrical Parts List

5. PCB Diagrams

6. Block Diagrams

Disassembling Manual
Assembling Manual
This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law. Code No.: GH68-09643A
2006. 03. Rev.1.0
1. SGH-X300 Specification

1-1. GSM General Specification


GSM900 E G S M 9 00 DCS1800
PC S1 90 0
Ph ase 1 Ph ase 2 Ph ase 1

Freq. Ban d [M Hz ] 89 0~ 91 5 88 0~ 91 5 1 71 0~ 1 78 5 18 50 ~1 91 0
Upl in k/Downl in k 93 5~ 96 0 92 5~ 96 0 1 80 5~ 1 88 0 19 30 ~1 99 0

0 ~ 1 24 &
A RF C N ra n g e 1 ~ 1 24 51 2~8 85 5 12 ~8 10
9 75 ~ 10 23

Tx/R x sp aci ng 45 MHz 45 MHz 95 MHz 8 0M Hz


Mod. Bit rat e/ 270.833kbp s 2 70 . 8 33 k b ps 270.833kbp s 27 0. 83 3kb p s
Bit Period 3.692us 3.692us 3.692us 3. 69 2u s

Tim e Sl ot
576.9us 576.9us 576.9us 57 6. 9u s
P eri od /F rame
4. 61 5m s 4 .6 15 m s 4. 61 5ms 4. 61 5ms
Peri od

Modu la t ion 0. 3GM SK 0. 3GM S K 0. 3GM SK 0 .3 GMS K


MS Power 3 3d B m ~ 13 dB m 3 3d B m ~ 5 d B m 3 0d B m ~ 0 d Bm 30 d Bm ~ 0d B m

P ow er Cl a ss 5 p cl ~ 15 p cl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl

S en sitivi t y -1 02 d B m - 10 2d B m -1 00 d B m - 1 00 dBm

TDM A Mu x 8 8 8 8

Cell Ra d iu s 35 Km 35 Km 2 Km -




1-1
SGH-X300 Speclflcation




1-2. GSM Tx Power Class


TX Power TX Power TX Power
GSM900 DCS1800 PCS1900
control level control level control level


5 33