Samsung SGH-D820 service manual free download

File name Samsung SGH-D820 service manual.pdf

GSM TELEPHONE SGH-D820 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. 2006 Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No.: GH68-09648A BASIC. 1. Specification 1-1. GSM General Specification GSM900 EGSM 900 DCS1800 GSM850 PCS1900 Phas e 1 Phas e 2 Phas e 1 Fr eq. 824~849 890~915 880~915 1710~1785 1850~1910 Ba nd[MHz] 869~864 935~960 925~960 1805~1880 1930~1990 Uplink/ Downli nk 0~124 & ARFCN r ange 128~251 1~124 512~885 512~810 975~1023 Tx/ Rx s pacing 45MHz 45MHz 45MHz 95MHz 80MHz Mod. Bit r ate 270.833kbps 270.833kbps 270.833kbps 270.833kbps 270.833kbps / Bit Pe r iod 3.692us 3.692us 3.692us 3.692us 3.692us Ti me Slot 576.9us 576.9us 576.9us 576.9us 576.9us Per iod 4.615ms 4.615ms 4.615ms 4.615ms 4.615ms / Frame Peri od Modulat ion 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK MS Power 33dBm~5dBm 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm Power Class 5pcl ~ 19pcl 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl Sensit ivit y -102dBm - 102dBm - 102dBm - 100dBm - 100dBm TDMA Mux 8 8 8 8 8 Cell Radius 35Km 35Km 35Km 2Km 2Km 1-1 SAMSUNG Proprietary-Contents may change without notice This ocument can not e used with D b out Samsung's authorization S