Tx Amps Troubleshooting Using Phoenix - Nokia RM-11 Series Troubleshooting Manual

RM-11
Troubleshooting - RF

Tx AMPS Troubleshooting Using Phoenix

1. In Local Mode/Main Mode select AMPS Band.
2. Use PDM controls to adjust the PA, RF AND IF AGC
Local Mode:
• PA Gain PDM = 229
• RF AGC PDM = -416
• IF AGC PDM = -137
With PDMs set to the above values:
Tx Pout ≅ +26dBm
•
Current ≅ 998mA
•
Note: If you do not measure the correct Tx power at the RF connector, repeat
Cell band Local Mode troubleshooting to find where the failure occurs.
AMPS and Cell band share the same Tx path.
© 2005 Nokia Corporation
Page 50
CC Technical Documentation
Confidential Issue 2 09/2005