- 3-7 -
YES
NO
YES
YES
D
NO
NO
NO
YES
NO
E
YES
Normal TEO Signal on
MT1389?
Check the related
circuit on MT1389
Track On OK?
Properly TRSO signal
on MT1389?
T+ & T- output
properly?
Check the TRSO
connection on MT1389
and motor dirver.
Check the tracking control
amp circuit on motor
driver.
Check cable connection on
pick-up head.
Disc is play ?
Check RFO & RFLVL signal waveform.
NO
NO
YES
YES
YES
Focus ON OK?
Proper signals on
A,B,C,D of MT1389
Check connections between
MT1389 and pick-up head.
Check FEO signal
on MT1389
Check FOSO signal on MT1389
Check the FOSO connection on
MT1389 and motor driver.
YES
NO
www.freeservicemanuals.info
2/10/2016
Published in Heiloo, Holland
Summary of Contents for LGDVT418
Page 6: ... 1 5 SPECIFICATIONS www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 7: ... 1 6 MEMO www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 10: ... 2 3 3 FRONT CIRCUIT 1 2 www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 11: ... 2 4 4 FRONT CIRCUIT 2 2 www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 12: ... BLOCK DIAGRAM 2 5 2 6 www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 20: ...2 21 2 22 WIRING DIAGRAMS www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 24: ...2 29 2 30 POWER P C BOARD www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 25: ...2 31 2 32 MEMO MEMO www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
Page 57: ... 5 4 MEMO www freeservicemanuals info 2 10 2016 Published in Heiloo Holland ...
