Nokia 6265 Baseband Description And Troubleshooting page 20

6265/6265i/6268 (RM-66)
Baseband Description and Troubleshooting
• Check for activity on CBUS
• Check the output of the FM radio on VAFR and VAFL. It should be an audio signal
with a 800mv DC-offset.
• If the audio signal is not correct (with 800mv DC-offset), then check the FM
radio chip for shorts, voids, and misalignments
• If the audio signal is correct (with 800mv DC-offset), then check the UEMEK for
shorts, voids, and misalignments
• If the UEMEK and FM Radio Chip is correct, check the system connector
VAFR
Page 20
FMANT
VANA (2.8V)
VAFL
Figure 16: FM Radio chip and antenna
©2005 Nokia Corporation
VIO (1.8)
FM Radio Chip (always
the check solder)
GND
Company Confidential Issue 1 11/2005