Preliminary Rf Troubleshooting - Nokia 6275 Rf Description And Troubleshooting

6275/6275i (RM-154)
RF Description and Troubleshooting
Coupler
Diplexer
Duplexer
PA DC/DC converter
PCS PA
Cell PA
TX ASIC
VCO synthesizer
Bluetooth

Preliminary RF Troubleshooting

Verify the following if the mobile terminal cannot make a call:
• The mobile terminal is in Normal or Test Mode (i.e., the mobile terminal is
searching for a signal, net server is on).
Page 6
Figure 2: PWB components - bottom
Company Confidential
GPS
RX circuits
Issue 1 - September 2006