Samsung SCH-850 service manual free download

File name Samsung SCH-850 service manual.pdf

DUAL MODE(CDMA+AMPS) ELECTRONIC PORTABLE TELEPHONE SCH-850 Manual SERVICE DUAL MODE TELEPHONE CONTENTS 1. Specification 2. Nam Programming 3. Test Commands & Test Procedure List 4. Test Procedure 5. Exploded View & its Parts List 6. Electrical Parts List 7. Block Diagram MENU OK / 8. PCB Diagram SEND END/ 9. Schematic Diagrams 1. ' 2 ABC 3 DEF 4 GHI 5 JKL 6 MNO 7 PQRS 8 TUV 9 WXYZ 0 OPER ELECTRONICS Samsung Electronics Co.,Ltd. Dec. 99 Pinted in Korea. Code No.: GH68-00947A 1. Specification 1-1 General ITEM CDMA AMPS Tx Freq. range 824 ~ 849MHz 824 ~ 849MHz Rx Freq. range 869 ~ 894MHz 869 ~ 894MHz Channel Bandwidth 1.23MHz 30KHz Channel Spacing 30KHz 30KHz Number of Channel 832 832 Duplex Separation 45MHz 45MHz Type of Emission 40K0F8W,40K0F1D 40K0F8W,40K0F1D In/Output Impedance 50 50 Tx Intermediate Freq. 130.38MHz 130.38MHz Rx Intermediate Freq. 85.38MHz 85.38MHz Tx Local Freq. 1st (FTX +130.38MHz) 1st (FTX+130.38MHz) 2nd (260.76MHz) 2nd (260.76MHz) Rx Local Freq 1st (170.76MHz) 1st (170.76MHz) 2nd (FRX +85.38MHz) 2nd (FRX +85.38MHz) TCXO freq. 19.68MHz 19.68MHz Freq. Stability (FRX -45MHz)