Nokia 9000i - Troubleshooting Diagram of the PMI Check

After Sales
Technical Documentation
RAE/RAK–1N
Faultfinding/Disassembly
Page 8 – 31
Original, 05/97
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.
1.
Start the PMI test.
Start the PMI test.
7.3.2 Fix the
corresponding
component
2.
Toggle cover.
ON/OFF.
Start
YES
3. 3.1
PMI test NO LIDOPEN
successful?
connected to
CMT?
YES NO
4. 3.2
NO
Cover opened and CPU/pin127 NO
closed?
toggling?
YES YES
YES
7. 7.1
PMI test NO
CPU/pin128 NO
successful?
toggling?
YES
8.
7.3
NO
Phone powered YES Discrete comps
ON
and OFF? and connections
OK?
YES NO
Power Management
Inputs OK!
2.
Toggle cover.
2.
Toggle cover.
3.1.1
Disconnect LIDOPEN
from CMT module.
3.3
Check S170, R160,
R161, C139,R131
3.2.1
CPU fault
7.2
Check R130, R146
7.3.1
Check CMT
5.
6.
Toggle phone