Paper Feeding Is Out Of Order - Sony UP-895 Service Manual

5-5. Paper Feeding is Out of Order

START
Is fuse F400
NO
Are pulse signals input to
pins 1, 3, 11 and 13 of IC301
on MA-99 board?
YES
Are pulse signals input to
bases of Q404 through Q407
on MA-99 board?
YES
Is signal output from CN8
on MA-99 board?
YES
UP-895/(E)
YES
blown?
NO
NO
NO
Fuse F400 on MA-99 board is defective.
Pins 22, 23, 24 and 25 of IC304 on MA-99 board are
defective.
Pins 2, 4, 10 and 12 of IC301 on MA-99 board are
defective.
Peripheral circuits Q404 and Q407, and CN201 on
MA-99 board are defective.
The platen motor is defective.
5-5