Read Sony DVP-FX730 / DVP-FX735 Service Manual online
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DVP-FX721/FX730/FX735
VIDEO OUT ABNORMAL
OPEN/CLOSE ABNORMAL
NO CHARGING
Is 9.5V OK?
Check P1
Is Q2, U3 OK?
Replace Q2, U3
Is U1 OFF?
Replace U1
Is U14 OK?
Replace U14
Check SW2 & SW3
Check the connection of part
Check traverse
PICTURE ABNORMAL
DISC ERROR
Check video jack J7 & mode
Check the disc
Check disc
Check the traverse
Check traverse
Check the U6 (SDRAM)
Refer to servo part
Refer to servo part
Check LC filter
Check video signals from
U4 (MT1389LP)
YES
YES
YES
D. Video out abnormal
G. Open/close abnormal
H. Charging circuit
E. Picture abnormal
F. Disc error
NO
NO
NO
NO
Refer to servo part
Is Q1 OK?
Replace Q1
YES
NO
Is J2 OK?
Replace J2
YES
NO
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