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SECTION 2. AUDIO PART
ELECTRICAL TROUBLESHOOTING GUDIE
1. Turn power on.
NO
Is power on? Check power supply circuit.
YES
NO
Does initial read work? Check laser circuit.
Check focus circuit.
YES Check disc.
NO
Does it play? Check tracking servo circuit.
YES
NO
Does it output audio? Check audio circuit.
YES
OK
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2. AUDIO