TROUBLESHOOTING GUIDE
E-26
D-VR4SU/D-VR4SC
YES
YES
YES
YES
NO
NO
NO
NO
TUNER AUDIO (MONO)
DOES NOT APPEAR.
Does E-E AUDIO
(MONO) appear ?
Refer to section "E-E AUDIO
(MONO) DOES NOT APPEAR".
Check circuit around at pin
13 of TU301.
Change IC701.
Check IC701.
Is there signal at pin
57 of IC701 ?
Is there audio signal at
pin 78 and 80 of IC701 ?
Is there audio signal
a emitter of
Q8017 and Q8018 ?
Check circuit around of J8005.