Toshiba SD-33VB Service Manual page 75

D
Yes
No
Focus ON OK?
Yes
Track On OK?
Yes
No
Disc is play?
Yes
E
Proper
signals on A, B, C,
D of MT1336
Yes
Proper FEO signal
on MT1336?
Yes
Check FEO connection
between MT1336 and MT1379
Proper FEO signal
on MT1336?
Yes
Properly TRSO signal
on MT1379?
Yes
T+ & T- output
properly?
Yes
Check cable connection on
pick-up head.
Check RF signal waveform.
No
Check connections between
MT1336 and pick-up head.
No
Check the related circuit
on MT1336 FEO sugnal .
No
Check the related
circuit on MT1336
No
Check the TRSO connection
on MT1379 and motor dirver.
No
Check the tracking control
amp circuit on motor driver.
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