User Guide

CCS Technical Documentation Troubleshooting Instructions
Issue 1 01/03 ãNokia Corporation. Page 43
Accesory if
faults
ACI
accessory detected
and working?
Measure Vout
levelPopPort connector
pin 4.
Is it ~2.8V
Ref. picture
below. Is the start up
sequency like it ?
Audio OK ?
Insert stereo
headset
(HDS-3)
Wait 5s
Check PopPort
connecor pin
4(Vout)) and line to
systemboard, L107,
C102, C112, C101,
R111. If ok check
GENIO(0) signal on
N100/VEN. If it is
HIGH, change N100
Reinsert
headset
Check PopPort
connecor pin 3 (ACI)
and line to
systemboard,
L106,R103, R109,
C103. If OK change
UEM. Retest.
Check C107, C108,
C109, C117, L103,
L104, C113, C114,
C118, C119, R105,
R106, R107, R108,
R164,R165, R166,
R167, C157, C158
Audio fault
3
No
No
Yes
No
Yes
No
END