Nokia NPM-6 Series Troubleshooting Instructions page 36
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Also See for NPM-6 Series:
- Troubleshooting instructions (54 pages) ,
- Manual (50 pages) ,
- Disassembly and assembly instructions (8 pages)
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Troubleshooting Instructions
Earpiece
2
Connect EXT audio
signal 1kHz(sine,
200mVpp) between
XMICP and XMICN
pads (X101, 11/12)
Measure sine
signal from earpiece
pads (J310,J311).
Is It ~880mVpp ?
Yes
Change UPP
Retest
Page 36
Measure sine
signal from UEM
No
(R151,R152).
Is it ~130mVpp ?
ãNokia Corporation.
CCS Technical Documentation
Yes
No
Change UEM
Check R151,R152,
C155, L150 and lines.
Issue 1 01/03
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Troubleshooting
