TROUBLESHOOTING GUIDE
E-24
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)
E-E DOES NOT APPER AT
DVD MODE
No
Yes
No
Yes
No
Yes
Check VCR block.
Check IC4001 and
peripheral circuit.
Check IC4009 and
peripheral circuit.
Check VCR block.
Is there a signal in at pin
97, 107, 108, 117, 118
and 127 of IC4001 with
each output mode ?
Is there a signal in at
pin 2, 4, 9 and 207 of
IC4009 ?
Is there a signal in at pin 17 and
19 of CP7301 and at pin 1 and
19 of CP7302 with each input ?
