Read Sony DVP-FX720 Service Manual online
9-2
VIDEO OUT ABNORMAL
OPEN/CLOSE ABNORMAL
NO CHARGING
Is 9.5V OK?
Check P1
Is Q46, U21 OK?
Replace Q46, U21
Is U2 OK?
Replace U2
Is Q44 OK?
Replace Q44
Is J9 OK?
Replace J9
Check SW17 & SW18
Check the connection of part
Check traverse
PICTURE ABNORMAL
DISC ERROR
Check video jack & mode
Check the disc
Check disc
Check the traverse
Check traverse
Check the SDRAM
Refer to servo part
Refer to servo part
Check LC filter
Check video signals from
U3 (MT1389)
YES
YES
YES
YES
D. Video out abnormal
G. Open/close abnormal
H. Charging circuit
E. Picture abnormal
F. Disc error
NO
NO
NO
NO
NO
Refer to servo part
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