Section 2. Audio Part - LG LGDVT418 Service Manual

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SECTION 2. AUDIO PART

❏ ELECTRICAL TROUBLESHOOTING GUIDE
1. Power check flow
POWER CORD.
THE RED LED?
TURN POWER ON.
IS POWER ON?
DOES INITIAL
READ WORK?
DOES IT PLAY?
DOES IT OUTPUT
INSERT
TURN ON
YES
YES
YES
YES
AUDIO?
YES
OK
NO
NO
NO
NO
NO
- 2-1 -
Published in Heiloo, Holland
CHECK POWER PLUG
AND POWER SUPPLY CIRCUIT .
CHECK POWER SUPPLY CIRCUIT .
CHECK LASER CIRCUIT .
CHECK FOCUS CIRCUIT.
CHECK DISC.
CHECK TRACKING SERVO CIRCUIT.
CHECK AUDIO CIRCUIT.
2/10/2016