Toshiba D-VR4SU Service Manual page 114

VIDEO CAN NOT
RECORD TO DVD
Is there a signal in at pin 17 and
19 of CP7301 and at pin 1 and
19 of CP7302 with each input ?
Yes
Is there a composite
signal in at pin 4 of
IC4009 ?
Yes
Is there a signal in at
pin 79, 98, 128 and 142 of
IC4001 ?
Yes
Is there a signal in at
pin 97, 107, 108, 117,
118 and 127 of IC4001 ?
Yes
Check VCR block.
TROUBLESHOOTING GUIDE
No
No
No
No
E-40
Check VCR block.
Check IC7302 and peripheral
circuit.
Check IC4009, DVD DECK
and peripheral circuit.
Check IC4001, DVD DECK
and peripheral circuit.
D-VR4SU/D-VR4SC