Midi - Nokia NPD-1 Series Troubleshooting - Bb

NPD-1
Troubleshooting — BB

MIDI

Audio
faults 3
Is MIDI working?
Audio
faults 4
Page 36
No
voltage from C196
Yes
Set phone in LOCAL m ode.
Use Phoenix to digital loop MIC1
to HF single ended output. Also
Set GenIO(28) high
For AM S, select different
Nokia ringing tone
Talk to MIC1.Check
MIDI speaker pads.
Nokia Corporation
CCS Technical Documentation
No
Measure VBATT
Is it OK?
Yes
No
signal @ C157. Is
signal OK?
Yes
Check signal @
Yes
Is signal OK?
No
Confidential
Check V BATT line.
Change the UEM
Change speaker
Change the MIDI
Am plifier N150
Issue 1 11/2002