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No E-E (no video and audio
from tuner)
Whether TU601 7th pin
is 5V or not, whether is
9th pin 30V or not?
YES
Whether is a video
signal and audio signal
IC601 53 and 57th pin
or not?
YES
Investigate Q601 and Q607.
Cylinder not rotating during
playback and recording
Whether is a voltage of
CP1005 2nd pin DC 12V
approximately or not?
YES
When playback, is a
voltage of 5th pin of
CP1005 DC 1.2V
approximately?
NO
Exchange IC1001.
NO
NO
NO
YES
Investigate a power supply
circuit.
Exchange IC601 and investigate
the peripheral circuit.
Investigate UNREG 12V line of a
MAIN PCB.
Exchange a cylinder motor.
45
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