Service manual

TROUBLESHOOTING GUIDE
E-31
No
Check VCR block.
Yes
Check VCR block.
AUDIO CAN NOT
RECORD TO DVD
Is there a signal in at pin 5, 7,
9, 11, 13 and 15 of CP7301 with
each input ?
No
Yes
Check IC7301 and peripheral
circuit.
Is there a signal in at pin
7 and 8 of IC7301 ?
No
Yes
Check IC7303 and peripheral
circuit.
Is there a signal in at pin
177 and pin 181 to 183 of
IC4009 ?
No
Yes
Check IC4001, DVD DECK
and peripheral circuit.
Is there a signal in at pin 1,
2 and 3 of IC7301 ?