TROUBLESHOOTING GUIDE
E-22
D-VR4SU/D-VR4SC
YES
YES
YES
YES
NO
NO
NO
NO
RECORDING MECHANISM WORKS,
BUT NO VIDEO RECORD FROM
INPUT JACK OR TUNER
Is there video signal at
pin 30 and 32 of IC 101 ?
Is the BASE of
Q103 5V ?
Is the voltage at pin 96
of IC3001 5V ?
Check IC8303 and peripheral
circuit or TUNER to IC101.
Change IC3001.
Change IC101.
Is there video signal
at pin 26 of IC101 ?
Check CYLINDER UNIT and
circuit around of CP101.