Midi - Nokia RH-44 Series Troubleshooting - Bb

RH-44
Troubleshooting — BB

MIDI

Audio faults 3
Is MIDI working?
Yes
Audio faults 4
Page 34
Measure VBATT
voltage from C196. Is
No
Set phone in LOCAL mode.
Use Phoenix to digital loop
MIC1 to HF single-ended
output. Also set GenIO(28)
Check signal at C157.
Is signal OK?
Check signal at MIDI
speaker pads. Is
signal OK?
Nokia Corporation
CCS Technical Documentation
No
it OK?
Yes
high.
No
Yes
Yes
Confidential
Check VBATT line
Change UEM
Change speaker
Change UEM
Issue 1 04/2003