Keypad Faults; Power Key - Nokia RH-44 Series Troubleshooting - Bb

RH-44
Troubleshooting — BB

Keypad faults

Power key

Keypad faults
Is power key working?
Yes
Keypad faults 2
Page 38
Measure voltage at
No
S300. Is it HIGH?
Yes
Measure voltage at
S300 when power key
is pressed. Is it HIGH?
Nokia Corporation
CCS Technical Documentation
Check S300 and
R304. If OK, change
No
UEM.
Change S300
Yes
Confidential Issue 1 04/2003