Table of Contents
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When playback, a screen
doesn't appear
Whether does a screen
of E-E appear or not?
YES
Whether there are PB
Y/C signal for TP4001
or not?
YES
Whether there is FM
signal for IC4001
46th pin or not?
YES
Whether there is FM
signal for IC4001
41st pin or not?
YES
Whether there is a video
signal for IC4001 29th
pin or not?
YES
Investigate TV circuit.
TROUBLESHOOTING GUIDE
Whether it takes 5V for
NO
IC4001 16, 25, 40, 55,
58, 75, 87th pin or not?
NO
NO
NO
NO
E-8
NO
YES
Investigate a power supply
circuit.
Investigate a connection of
IC4001 and cylinder.
Exchange IC4001.
Investigate Q4012 and the
peripheral circuit.
Exchange IC4001.
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