Read Sony DVP-FX810 / DVP-FX810BP (serv.man2) Service Manual online
9-5
Put disc in?
Disc ID is correct?
Does
spindle
rotate?
rotate?
Focus on OK?
Track on OK?
DISC is play?
Check RF signal waveform
Proper signal
on A, B, C, D of
MT1389
Proper
FO+ & FO signal
on MT1389
Proper
FOSO signal on
MT1389?
Check the related
circuit on MT1389
Check the TRSO
connection on MT1389
and motor driver
Check the tracking
control amp circuit
on motor driver
Proper
TRSO signal on
MT1389?
TR+ & TR out
properly?
Check cable connection on pick up head
Check the cable connection on pick up head
Check the related
circuit on MT1389
FO+ & FO signal
Check connection
between MT1389
and pick up head
Check the RF
connection between HA2
and MT1389
Proper
DMSO signal on
MT1389
Check the cable connection between spindle and main PCBA
Check the related
circuit on MT1389
RFL signal
Check DMSO related
circuit on MT1389
No disc (laser off)
4. RF/Servo Circuit
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
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