TROUBLESHOOTING GUIDE
E-24
D-VR4SU/D-VR4SC
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
E-E AUDIO (MONO)
DOES NOT APPEAR
Does E-E AUDIO
(STEREO) appear ?
Is the voltage at pin 77
of IC101 5V ?
Refer to section "E-E AUDIO
(STEREO) DOES NOT APPEAR".
Check POWER BLOCK.
Is the voltage at pin 95
of IC3001 5V ?
Change IC3001.
Check J8002 and J602.
Change IC701.
Is there audio signal at
pin 6 and 9 of IC701 ?
Is there audio signal at
pin 6 of IC701 ?
Check circuit around of J8005.