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RECORDING MECHANISM WORKS,
BUT NO VIDEO RECORD FROM
INPUT JACK OR TUNER
IS THERE VIDEO
SIGNAL AT PIN 40
OF IC4001 ?
YES
IS BASE OF
Q4003 5V ?
YES
IS THERE VIDEO AT
PIN 35 OF IC4001 ?
YES
CHECK THE CYLINDER UNIT AND
CIRCUIT AROUND OF CP4001.
TROUBLESHOOTING GUIDE
NO
NO
IS PIN 90 OF
IC1001 5V ?
NO
E-21
NO
YES
CHECK CIRCUIT OF VIDEO
SIGNAL FROM VIDEO IN OR
TUNER TO IC4001.
CHANGE IC1001.
CHANGE IC4001.
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