Troubleshooting Diagram Of The Pmi Check - Nokia 9000i Service Manual

After Sales
Technical Documentation
5

Troubleshooting Diagram of the PMI Check

Once this test is activated the PDA waits for a power management
interrupt to occur. The two possible sources for this interrupt are the
lid–switch and the power switch of the CMT module.
Start
Start the PMI test.
Toggle cover.
Toggle cover.
PMI test
successful?
YES
Cover opened and
NO
closed?
YES
Start the PMI test.
Toggle cover.
Toggle phone
ON/OFF.
PMI test
successful?
YES
NO
Phone powered
ON and OFF?
YES
Power Management
Inputs OK!
Original, 05/97
1.
Disconnect LIDOPEN
from CMT module.
2.
2.
3.
NO LIDOPEN
connected to
NO
4.
CPU/pin127
toggling?
YES
5.
CPU fault
2.
6.
7.
CPU/pin128
NO
toggling?
8.
Check CMT
Faultfinding/Disassembly
3.1.1
YES
3.1
CMT?
3.2
NO
Check S170, R160,
R161, C139,R131
3.2.1
YES
7.1
NO
Check R130, R146
7.3.1
YES Discrete comps
and connections
NO
7.3.2 Fix the
corresponding
component
RAE/RAK–1N
3.3
7.2
7.3
OK?
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