Sony UP-895 - Door (Opening and Closing) Is out of Order

5-6
UP-895/(E)
5-6. Door (Opening and Closing) is Out of Order
START
PH32 or actuator on SE-531 board is defective.
NO
YES
Is signal input to pin 6 of CN2
on MA-99 board?
Pin 20 of IC304 on MA-99 board is defective.