Rf/Servo Circuit - Sony DVP-FX700 Service Manual

4. RF/Servo Circuit

A.
No
Put disc in?
Yes
No
Disc ID is correct?
Yes
No
Does spindle rotate?
Yes
D
Laser off
No
Proper RFL signal
on MT1336?
Yes
Check the RFL connection
between MT1336 and MT1379.
Proper
No
DMSO signal on
MT1379
Yes
Check the cable connection
between spindle and main PCBA.
Check the related circuit
on MT1336 RFL signal .
Check DMSO related
circuit on MT1379.
9-6