NO DIGITAL AUDIO ON
PLAYBACK OF COAXIAL JACK
Is there waveform at pin 7
of J7301 about 0.3Vp-p?
No
Is there waveform at
pin 159 of IC4001
about 0.3Vp-p ?
No
Change IC4001.
TROUBLESHOOTING GUIDE
Yes
Yes
D-5
Check connection at RCA
Cable.
Check Q8005 and
peripheral circuit.