LG XH-T9650X Service Manual page 37

D
Check CD_DVDCT connection
between IP9009 and ES8381
Proper
signals on A, B, C,
D of ES8381
Proper
CD-DVDCT signal
on ES8381
Proper
CD-DVDCT signal
on ES8381
Proper
TRACK signal
on ES8381
TR+ & TR-
output properly?
3-6
Check connections between
ES8381 and pick-up head.
Check the related circuit on
ES8381 CD-DVDCT
Check the related circuit on
ES8381.
Check the TRACK connection
on ES8381 and motor driver.