Samsung SGH-X620 service manual free download

File name Samsung SGH-X620 service manual.pdf

GSM TELEPHONE SGH-X620 GSM TELEPHONE 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. August. 2005 Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No.: GH68-08050A BASIC. 1. Specification 1-1. GSM General Specification GSM900 DCS1800 PC1900 P ha se 1 Ph ase 1 Phas e 1 Fr eq. Band[MHz] 890~915 1710~1785 1850~1910 Uplink/ Downli nk 935~960 1805~1880 1930~1990 ARFCN r ange 1~124 512~885 512~810 Tx/ Rx s paci ng 45MHz 95MHz 80MHz Mod. Bit rate/ 270.833kbps 270.833kbps 270.833kbps Bit Period 3.692us 3.692us 3.692us Ti me Slot 576.9us 576.9us 576.9us Peri od/Fr ame Per iod 4.615ms 4.615ms 4.615ms Modulati on 0.3GMSK 0.3GMSK 0.3GMSK MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm Power Cl a ss 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl Sensit ivit y -102dBm -100dBm - 100dBm TDMA Mux 8 8 8 Cell Radius 35Km 2Km 2Km 1- 1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung's authorization Specification 1-2. GSM TX power class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level