
CCS Technical Documentation
Baseband Troubleshooting Instructions
Issue 1 10/02
¤
Nokia Corporation
Page 49
Audio
faults 2
Is microphone working?
Try change bottom
connector X100.
Is it working now?
Retest
No
Yes
Set phone in LOCAL mode.
Use Phoenix Audio Test.
Set HP IN, EXT OUT, LOOP ON.
No
Measure MICB1
voltage from MICP pads.
Is it ~ 2.1 V?
Check L105,
C105, C152,
C156, R152,
C168, C166,
C215, and line.
If OK ->
change UEM.
No
Check C151,
R157, C105,
C154, and line.
If OK ->
change UEM.
Yes
Audio
faults 3
Yes
Содержание NSM-9DX
Страница 1: ...NSM 9DX Series Transceivers Issue 1 10 02 Nokia Corporation Troubleshooting Instructions ...
Страница 4: ...CCS Technical Documentation Page 2 Nokia Corporation Issue 1 10 02 ...
Страница 5: ...NSM 9DX Series Transceivers Issue 1 10 02 Nokia Corporation Baseband Troubleshooting Instructions ...
Страница 59: ...NSM 9DX Series Transceivers Issue 1 10 02 Nokia Corporation RF Troubleshooting Instructions ...