Sanyo VHR-M261EV Service Manual page 25

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