Text preview for : Samsung SGH-X400 service manual.pdf part of Samsung SGH-X400 service manual Samsung GSM Samsung SGH-X400 service manual.pdf
Back to : Samsung SGH-X400 service | Home
GSM TELEPHONE
SGH-X400
Manual
SERVICE
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded Views and Parts List
3. Electrical Parts List
4. Flow Chart of Troubleshooting
5. Block Diagrams
6. PCB Diagrams
1. SGH-X400 Specification
1. GSM General Specification
GSM900 EGSM 900 DCS1800
PCS1900
Phas e 1 Phas e 2 Phas e 1
Fr eq. Band[MHz] 890~915 880~915 1710~1785 1850~1910
Uplink/ Downli nk 935~960 925~960 1805~1880 1930~1990
0~124 &
ARFCN r ange 1~124 512~885 512~810
975~1023
Tx/ Rx s paci ng 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/ 270.833kbps 270.833kbps 270.833kbps 270.833kbps
Bit Period 3.692us 3.692us 3.692us 3.692us
Ti me Slot 576.9us 576.9us 576.9us 576.9us
Peri od/Fr ame Per iod 4.615ms 4.615ms 4.615ms 4.615ms
Modulati on 0 . 3 GM S K 0.3GMSK 0 . 3 GM S K 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Cl a ss 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensit ivit y - 102dBm -102dBm - 100dBm - 100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-X400 Specification
2. GSM TX power class
TX Power TX Power TX Power
GSM900 DCS1800 PCS1900
control level control level control level
5 33