Read Sharp DV-RW250H (serv.man2) Service Manual online
TROUBLESHOOTING GUIDE
E-36
No
Check VCR block.
Yes
Check DVD DECK.
VIDEO CAN NOT
RECORD TO DVD
Is there a signal in at pin 17, 19
of CP7301 and at pin 1, 19 of
CP7302 with each input?
No
Yes
Check IC4001
and peripheral circuit.
Is there a signal in at pin
1~40 of CP4001 ?
No
Yes
Check IC4009
and peripheral circuit.
Is there a signal in at pin
79, 98, 128, 142 of
IC4001 ?
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