TROUBLESHOOTING GUIDE
E-33
D-VR5SU/D-VR5SC
TUNER AUDIO OF DVD MODE
DOES NOT APPEAR
No
No
Check VCR BLOCK.
Yes
Yes
Check IC7301 and peripheral
circuit.
Is there a signal in at
pin 10, 11 and 12 of
IC7301 ?
Is there a signal in at pin 1 and
3 of CP7301 with each input ?
No
Yes
Is there a signal in at pin
25 and 27 of IC7301 ?
Check IC7301 and peripheral
circuit.
Go to NO AUDIO ON
PLAYBACK.
No
Yes
Check IC7301 and peripheral
circuit.
Is there a signal out at
pin 15, 16,17 and 18 of
IC7301 ?