Section 2. Audio Part; Audio Troubleshooting Guide - LG XH-T5020X Service Manual

SECTION 2. AUDIO PART

AUDIO TROUBLESHOOTING GUIDE

1. POWER SUPPLY CIRCUIT
Insert power cord
Is the Digitron on correctly?
Turn power on.
Is power on?
Does initial read work?
Does it play?
Does it output audio?
OK
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Only for training and service purposes
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
NO
YES
Check power plug and power supply circuit.
Check power supply circuit.
Check laser circuit.
Check focus circuit.
Check tracking servo circuit.
Check audio circuit.
2-1
Check disc.
LGE Internal Use Only