Text preview for : Samsung SCH-850 service manual.pdf part of Samsung SCH-850 service manual Samsung GSM Samsung SCH-850 service manual.pdf



Back to : Samsung SCH-850 service m | Home

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)