Key Failure; Power Key Failure - Nokia RM-14 Baseband Troubleshooting And Manual Tuning
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Also See for RM-14:
- Rf troubleshooting and manual tuning (44 pages) ,
- Service software instructions (40 pages) ,
- Service tools and service concepts (20 pages)
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RM-14
Baseband Troubleshooting and Manual Tuning
■
Key failure
Power key failure
Keypad fault
Power key Ok
No
?
ISSUE 1 11/04
Figure 26:Power key failure
Measure voltage
Measure voltage
X300 pin12 from
from S323. Is it
No
.
UI board. Is it high?
high?
Yes
Measure voltage
Measure voltage
from UI board when
from S323 when
Yes
pressed. Is it high?
pressed. Is it high?
No
Phone is jammed
COMPANY CONFIDENTIAL
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Nokia Customer Care
Check
Check Z300
R302,C302,S323
and line. If Okay
UEME failure
Check UI board.
Check S323. Is it
Is it ok?
Yes
Okay?
No
Change UI board
Change S323
Phone is dead
35
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