Nokia NPM-6 Series Troubleshooting Instructions page 42

Troubleshooting Instructions
Accesory if
faults
Non-ACI
accessory detected and No
working?
Accessory if
fault
2
Page 42
Insert mono Check ACI line
headset trans.HIGH to LOW
(HDB-4)
Check ACI line
trans. LOW to HIGH. Is
ãNokia Corporation.
CCS Technical Documentation
3(ACI) and line to
No
L106,R103, R109,
(<0.6V) ?
Yes
Remove
headset
3(ACI) and line to
No
L106,R103, R109,
it OK ?
Yes
C108, L103, C114,
Audio OK ? No
C119, R105, R106,
R164, R165, C157
Check PopPort
connecor pin
systemboard,
C103. If OK
change UEM.
Retest.
Check PopPort
connecor pin
systemboard,
C103. If OK
change UEM.
Retest
Check C107,
Audio fault
3
Issue 1 01/03