LG HT503TH-AH Service Manual

Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2-9
NO
NO
Check connections between
ES8391 and pick-up head.
YES
YES
YES
YES
YES
Check CD_DVDCT connection
between IP9010 and
ES8391.
Check cable connection
on pick-up head.
YES
YES
Proper
signals on A, B, C,
D of ES8391.
NO
Check the related circuit on
ES8391 CD-DVDCT.
Proper
CD-DVDCT signal
on ES8391.
Focus on ok?
NO
Check RF signal waveform.
Disc Playback?
NO
NO
Check the related circuit on
ES8391.
NO
Check the TRACK connection
on ES8391 and motor driver.
NO
Check the tracking control amp
circuit on motor driver.
Proper
CD-DVDCT signal
on ES8391.
YES
Proper
TRACK signal
on ES8391.
YES
TR+ & TR-output
properly?
Track On OK?
D
E

LG HT503TH-AH Specifications

General

Brand	LG
Model	HT503TH-AH
Category	Receiver
Language	English