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Though a cassette can insert it,
a tape doesn't move
Does mode indicator
appear in Display?
Does VCR operate with
the remote control?
Investigate a tact SW.
Recording mechanism works,
but no video recorded from
input jack or tuner
Whether there is a
audio signal for
IC4001 76,78,80th pin
or not?
Is the voltage of
CP1004 17th pin 5V?
Whether there is FM
signal for IC4001
90th pin or not?
Investigate a cylinder unit.
44
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
Investigate a portion related to
roading motor and a mode
sensor.
Investigate IC1001 and CP1005.
Investigate video input jack and
IC4001, tuner and IC4001
circuit.
Investigate IC1001 61th pin
and the peripheral circuit.
Exchange IC4001.
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