LG XH-T3029S Service Manual page 33

D
Focus on ok?
Yes
Track On OK?
Yes
Disc Playback?
Yes
E
LGE Internal Use Only
Proper
No
signals on A, B, C,
D of ES8380.
Yes
Proper
CD-DVDCT signal
on ES8380.
Yes
Check CD_DVDCT connection
between IP9009 and ES8380.
Proper
CD-DVDCT signal
on ES8380.
Yes
Proper
TRACK signal
on ES8380.
Yes
TR+ & TR-
output properly?
Yes
Check cable connection
on pick-up head.
No
Check RF signal waveform.
3-6
No
Check connections between
ES8380 and pick-up head.
No
Check the related circuit on
ES8380 CD-DVDCT.
No
Check the related circuit on
ES8380.
No
Check the TRACK connection
on ES8380 and motor driver.
No
Check the tracking control amp
circuit on motor driver.
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