Audio Faults 2 - Nokia RH-37 Series Baseband Troubleshooting Instructions
Transceivers
Hide thumbs
Also See for RH-37 Series:
- Service software and tuning instructions (72 pages) ,
- Manual (70 pages) ,
- Rf troubleshooting instructions (52 pages)
Table of Contents
Advertisement
Nokia Customer Care
Audio faults 2
Audio
faults
2
Is HP
microphone
working
Yes
Audio
faults
3
Issue 1 07/04
microphone.
No
Is it working
Set phone in LOCAL mode.
Use Phoenix Audio Test.
Set Hp microphone in, Ext
speaker out, Loop On.
Measure MICB1 DC
voltage from MICP pad, J2430.
Is it >1,0VDC
Yes
Check R2153,
R2154, C2159,
C2171 and line.
If OK change UEM. If
still fail change UPP
Nokia Corporation
6(a) - BB Troubleshooting Instructions
Change
Yes
now
No
No
Check R2160,
C2152, C2175,
R2156, L2153,
C2154 and line. If
OK change UEME
Retest
RH-37
Page 19
Advertisement
Table of Contents
