3-11
YES
YES
Cassette tape loading is unstable.
Is REG 14VA applied to PMC01 Pin 8?
Is High signal applied to IC501 Pin 30
when inserting the CST?
Does Low signal occur form PMC01
Pin 10 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 5.4VA applied to R544?
Check the power.
Check IC501 Pins 68, 69, 70, 71.
Check the CST SW and
peripheral circuitry.
Check the power.
B.
NO
NO
NO
YES
NO
YES
Non working finction buttons.
Is the voltage of IC501 Pin 36, 5V?
Does(LED Ass’y) display change
when a function button is pressed?
Replace IC501.
Replace the defective switch.
Check the power.
Check IC506 Pins 6~14, 17, Pins 20~23
pulse output.
Replace IC506.
C.
YES
YES
NO
NO
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