Nokia 3570, 3585 Service Manual
NPD-1
Troubleshooting — RF
CCS Technical Documentation
Page 4
Nokia Corporation Confidential
Issue 1 11/2002
To turn on the AMPS transmitter............................................................................ 46
To turn on the receiver only, in any mode .............................................................. 48
To verify a single, manual tuning............................................................................ 48
To adjust PDM values of AGCs and AFC .............................................................. 48
To read tuning values from the phone..................................................................... 49
To read RSSI and AGC PDM values from the phone............................................. 49
To load a PRL into the phone.................................................................................. 50
To change between Local and Normal modes ........................................................ 50
To add a baseband test tone to the AMPS transmitter ............................................ 51
To turn on the receiver only, in any mode .............................................................. 48
To verify a single, manual tuning............................................................................ 48
To adjust PDM values of AGCs and AFC .............................................................. 48
To read tuning values from the phone..................................................................... 49
To read RSSI and AGC PDM values from the phone............................................. 49
To load a PRL into the phone.................................................................................. 50
To change between Local and Normal modes ........................................................ 50
To add a baseband test tone to the AMPS transmitter ............................................ 51
APPENDIX B: Definitions .......................................................................................... 52
APPENDIX C: Block Diagrams .................................................................................. 53
APPENDIX D:
APPENDIX C: Block Diagrams .................................................................................. 53
APPENDIX D:
Descriptions of selected components, signaling, and architecture ........................ 58
Robin (N601) Key Features .................................................................................... 58
Robin (N601) Signaling .......................................................................................... 58
Batman (N701) Key Features.................................................................................. 59
Batman (N701) Signaling........................................................................................ 60
PA Key Features: Shark (N801, Cell) and Snapper (N802, PCS) .......................... 60
LNA/Downconverter (N750) Key Features ............................................................ 60
Robin (N601) Signaling .......................................................................................... 58
Batman (N701) Key Features.................................................................................. 59
Batman (N701) Signaling........................................................................................ 60
PA Key Features: Shark (N801, Cell) and Snapper (N802, PCS) .......................... 60
LNA/Downconverter (N750) Key Features ............................................................ 60
APPENDIX E: AGC Algorithms................................................................................. 61