TROUBLESHOOTING GUIDE
E-34
D-VR4SU/D-VR4SC
NO PLAYBACK PICTURE
OF AV JACK
Check IC4001 and peripheral
circuit.
Is there VIDEO signal
at pin 117 of IC4001 ?
No
Yes
Is the waveform at pin
7 of IC8302 ?
No
Yes
Check IC8302 and peripheral
circuit.
Is the waveform at pin
19 of IC3001 ?
No
Yes
Check IC3001 and peripheral
circuit.
Check J8005 and peripheral
circuit.