Samsung SGH-i750 service manual free download

File name Samsung SGH-i750 service manual.pdf

GSM TELEPHONE SGH-i750 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 8. Disassembly and Assembly instructions 1. Specification 1-1. 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 r ate 270.833kbps 270.833kbps 270.833kbps 270.833kbps / Bit Pe r iod 3.692us 3.692us 3.692us 3.692us T ime Slot Period 576.9us 576.9us 576.9us 576.9us / F rame Peri od 4.615ms 4.615ms 4.615ms 4.615ms Modulati on 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK MS Power 33dBm~5dBm 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 Specification 1-2. GSM TX power class TX Power TX Power TX Power GSM900 DCS1800 PCS1900 control level control level control level 5 33