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5. Pre check
Pre check
Check output
voltage
(5V/3.3V/12V).
YES
Trouble each trouble item.
NO
Check on/off
signal of micom.
Check output
of Q9.
Trouble in the SU1.
19
NO
YES
NO
YES
TROUBLESHOOTING HINTS
Check reset signal
(#9 pin of micom) and
its ambient circuit.
Trouble in the Q9 and
its ambient circuit.
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