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Audio related faults 2: Headset
Headset earpiece do not
Headset microphone do not
16
Figure 10:Headset troubleshooting
work and the isn't any
mechanical problem
R183, Z102
Check R183, Z102 is
No
working correctly
(no open-circuit)
Defective D200*
work and the isn't any
mechanical problem
R166
No
Check voltage level on R166
towards UEM (bias) = 2,1V
Yes
R151
Check voltage level on R151
No
towards UEM (bias)
= 1,0V - 1,4V
Yes
R152, R165, R168,
C172, C170, C173,
No
C174, Z101
Check XMIC line to UEM
(D200)
Error still present
Defective D200*
COMPANY CONFIDENTIAL
Copyright © 2004 Nokia. All Rights Reserved.
Replace :
C183 and/or Z102
Replace :
C183 and/or Z102
Check :
R166, R151, C171
Replace :
Defective component
RH-59/60
ISSUE 1 09/2004
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Troubleshooting
