Nokia RH-17 Series Troubleshooting - Bb page 42

RH-17
Troubleshooting — BB
Audio
faults 3
Is BUZZER
working?
Yes
Audio
faults 4
Page 42
No
Measure VBATT
voltage from B302.
Is it OK?
Set phone in LOCAL mode.
Use Phoenix "Baseband Audio
Control". Under Buzzer on
Frequency and Duty cycle input
20.
Check signal on pin
2 of B302.
Is the signal OK?
Nokia Corporation
CCS Technical Documentation
No
Check VBATT line.
Yes
No
Change the UEM
Yes
Change BUZZER
Confidential Issue 1 04/2003