User Guide

Nokia Customer Care Troubleshooting - Baseband
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Issue 1 - Revision 002 09/2004 ©2004 Nokia Corporation Company Confidential Page 43
Keypad Faults
Power Key
Keypad
faults
Keypad
faults,
page 2
Measure voltage
at pin 1 and 3
(S300). Is it
high?
Is the power key
working?
Check S300,
C314, and R304.
If OK, change
UEM
Measure voltage
at pin 1 and 3
(S300) when the
power key is
pressed. Is it
high?
Check S300. Is it
OK?
NO NO
YES
YES
NO
YES
Phone is
Jammed
Phone dead
YES
NO
Change S300