Zenith DVT654 Service Manual - Audio Troubleshooting Guide
Manual is about: Zenith 5 Disc Dvd Home Theater Service manual
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AUDIO TROUBLESHOOTING GUIDE
INSERT
POWER CORD.
RED
LED
ON?
IS POWER ON?
CHECK POWER PLUG
AND POWER SUPPLY CIRCUIT.
DOES INITIAL
READ WORK?
DOES IT PLAY?
YES
NO
YES
YES
OK
NO
YES
NO
NO
CHECK POWER SUPPLY CIRCUIT.
CHECK LASER CIRCUIT.
CHECK TRACKING SERVO CIRCUIT.
TURN POWER ON.
CHECK FOCUS CIRCUIT.
CHECK DISC.
DOES IT OUTPUT
AUDIO?
YES
NO
CHECK AUDIO CIRCUIT.