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TROUBLE SHOOTING
1. FLOW CHART NO.1 (704-6K2-A617 : MAIN PCB ASS'Y)
FLOW CHART NO.2 (704-6K2-A617 : MAIN PCB ASS'Y)
The unit does not power on
Has a fuse broken?
Are the FFC(24 pin:CN102), FFC(20 pin:CN801),
and PH(6 pin:CN1) correctly connected?
Is a voltage of +5V supplied to 7 pin of IC100(CPU)?
Replace IC100.
See FLOW CHART NO.2 <Broken fuse>.
Connect the connectors correctly.
NO
NO
NO
YES
YES
YES
Broken fuse
Are +12V, D5V and D3.3V voltage line supply being correctly?
Replace the fuse after repair.
Replace any faulty parts.
NO
YES
Check the circuits around the IC100 and replace any faulty
parts. (L1, SW1, Q1, L5, IC2, L7, L4, IC105)
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