Audio Faults - Nokia 7088 Troubleshooting Manual

7088 (Flower)
Nokia Customer Care Baseband Description and Troubleshooting

Audio Faults

Audio
Faults 1
Replace the
receiver
Is the on-board
NO YES
Retest
(earpiece). Is it
receiver working?
working now?
NO
Use CCS Service
YES
Software Testing Stereo
Audio/Vibra Receiver Mobile
terminal Receiver Loop Back
Test command
Is the signal coming out of the
Check/ change R511, R512,
MSM6025
C427, C426, C425, D421 and
on RECEIVER+ and
YES
D422 . Is it OK?
RECEIVER- ?
NO
YES
Change the receiver
MSM6025 is defective, phone
Audio
can not be repaired and must
Faults
be replaced.
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Issue 1 12/2006 © 2006 Nokia Corporation Company Confidential Page 35