Audio Faults - Nokia RH-66 Troubleshooting Manual

Nokia Customer Care

Audio Faults

Audio
Faults
Is the earpiece
working?
YES
Audio
Faults
Page 2
Issue 1 03/2005
Replace the
earpiece. Is it
NO
working now?
NO
Set mobile terminal in Local
Mode. Use Phoenix
Troubleshooting > Phone
Control > Phone State tab >
select Local Mode > click
Execute. Then use Audio Test >
HP microphone in/HP speaker
out > Loop ON to enable the
earpiece. Inject a 1KHz sine
signal 200mVp-p on MICP.
Is the signal coming
out of the UEM on
EARP and EARN?
No
Check C2100, C2101,
R2101, R2102, C2102,
C2105, R2103, C2104,
and R2104. If OK,
change the UEM.
©2005 Nokia Corporation
2115i/2116/2116i (RH-66)
Baseband Description and Troubleshooting
Retest
YES
Check R2100. Is it
Yes
OK?
No
Change the R2100.
Company Confidential
Change the
Yes
earpiece.
Page 43