User Guide

Nokia Customer Care Troubleshooting - Baseband
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Issue 1 - Revision 002 09/2004 ©2004 Nokia Corporation Company Confidential Page 37
Audio Faults
Earpiece
Audio
faults
Audio
faults,
page 2
Is the earpiece
working?
Change
earpiece. Is it
working now?
Retest
Set phone in Local Mode. Use
Phoenix Troubleshooting >
Phone Control > Phone State
tab > Select Local Mode > click
Execute. Then use Autio Test >
HP microphone in/HP speaker
out > Loop ON to enable
earpiece. Inject a 1KHz sine
signal 200Vp-p on XMIC.
Is the signal
coming out of
the UEM on
EARP and
EARN?
Check UEM. If
not OK, change
the UEM.
Check R150. If
OK then change
the earpiece.
NO YES
NO
NO
YES
YES