Toshiba D-VR4SU Service Manual page 96

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