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Recording mechanism works,
but no video recorded from
input jack or tuner
Whether there is a
video signal for IC4001
36, 38th pin or not?
YES
Whether there is a video
signal for IC4001 41st
pin or not?
YES
Whether there is FM
signal for IC4001 82,
85th pin or not?
YES
Investigate a cylinder unit.
TROUBLESHOOTING GUIDE
NO
Whether there is a
NO
video signal for IC4001
46th pin or not?
YES
Investigate Q4012 peripheral
circuit.
NO
E-16
Investigate video input jack and
IC4001, tuner and IC4001
circuit.
NO
Exchange IC4001.
Exchange IC4001.
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