Keypad Faults; Power Key - Nokia NPD-1 Series Troubleshooting - Bb
Transceivers
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Also See for NPD-1 Series:
- Troubleshooting - rf (62 pages) ,
- Assembly (10 pages) ,
- Troubleshooting - antenna (8 pages)
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NPD-1
Troubleshooting — BB
Keypad faults
Power key
Keypad
faults
Is the power key
working?
Yes
Keypad
faults 2
Page 40
No
Measure voltage at
S300.
Is it HIGH?
Yes
Measure voltage at
S300 when power
key is pressed.
Is it HIGH?
No
Nokia Corporation
CCS Technical Documentation
No
Check S300, and
R304.
If OK change UEM.
Yes
Change S300
Confidential
Issue 1 11/2002
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Troubleshooting
