3-10
YES
YES
YES
Cassette tape loading is unstable.
Is REG 12V applied to IC502 Pin 6?
Is High signal applied to IC501 Pin 57
when inserting the CST?
Does Low signal occur form IC501 Pin 19
when inserting the CST?
Does 6.2V occur from IC502 Pin 2 when
inserting the CST?
Check the Deck Mechanism.
NOTE : Auto stop may also be caused by lack of lubrication,due to dried grease or oil.
Is 5.3V applied to R544?
Check the power.
Change IC502 or ZD501(GDZJ 6.2C).
Check IC501 Pins 74, 75, 76, 77.
Check the CST SW and
peripheral circuitry.
Check the power.
B.
NO
NO
NO
YES
NO
NO
YES
Non working finction buttons.
Is the voltage of IC501 Pin 15, 5V?
Does(LED CLOCK) display change
when a function button is pressed?
Replace IC501.
Check the power.
Replace the defective Switch.
(Function SW)
C.
YES
YES
NO
NO
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