Nokia RH-17 Series Troubleshooting - Bb page 48
Transceivers
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Also See for RH-17 Series:
- Troubleshooting - rf (68 pages) ,
- Ccs technical documentation (14 pages) ,
- Assembly (12 pages)
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RH-17
Troubleshooting — BB
Keypad
faults 2
Are the UI modules
keys working?
Yes
END
Page 48
No
Change Keypads
module.
Is it working?
Measure ROW0-4
(P10-P14) signals
between UPP and
X302.
Are they ~1.8V?
Measure COL1-4
(P1-P4) signals
between UPP and
X302.
Are they ~1.8V?
Nokia Corporation
CCS Technical Documentation
Yes
No
No
Make sure there are
no shorts on Z300.
If OK change UPP.
Yes
No
Yes
Make sure there are
no shorts on Z300.
If OK change UPP.
Confidential
Retest
Change Z300.
Issue 1 04/2003
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Troubleshooting
