Transmitter Rf Troubleshooting - Nokia 6255 Rf Description And Troubleshooting

6255/6255i/6256/6256i (RM-19)
RF Description and Troubleshooting

Transmitter RF Troubleshooting

Following are the main Tx RF components.
TOP SIDE
Power
detector
Page 11
PCS Tx SAW filter
Cell Tx SAW filter
Figure 5: Main transmitter RF components
©2005 Nokia Corporation
Cell PA PCS PA
BOTTOM SIDE
Company Confidential
Nokia Customer Care
Antenna
Diplexer
connector
Cell
coupler
Issue 2 05/2005
PCS
coupler
Power
switch
PCS
duplexer
Cell
duplexer