B.
Cassette tape loading is unstable.
Is REG 13VA applied to PMC01 Pin 8?
NO
YES
Is High signal applied to IC501 Pin 30
Check the power.
when inserting the CST?
NO
Is 5.3VA applied to R544?
YESYESNO
Does Low signal occur form PMC01Check the CST SW and
Check the power.
Pin 10 when inserting the CST?peripheral circuitry.
NO
YES
Check the Deck Mechanism.Check IC501 Pins 68, 69, 70, 71.
NOTE : Auto stop may also be caused by lack of lubrication,due to dried grease or oil.
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