TROUBLESHOOTING GUIDE
E-30
D-VR4SU/D-VR4SC
Yes
No
Yes
DECK DOES NOT ACCEPT
OPEN/CLOSE
Is the voltage at pin 1 of
CP504 about DC12V ?
and pin 4 of CP504 about
DC5V ?
Check P.CON 12V and
P.CON+D5V line of
POWER BLOCK.
No
Is the lose connection
at CD504 to CP504 and
DECK ?
Check CD504 connection
to CP504 and DECK.
Check DECK.
(DVD SECTION)