Sony UP-980 - 5-8. PAPER FEEDING IS OUT OF ORDER

5-8. PAPER FEEDING IS OUT OF ORDER
START
5-8
YES
Fuse F401 is blown.
NO
Are pulse signals
output from pins 4, 6, 8,
and 10 of IC407 on
MA-91 board?
NO
YES
Is signal
output from CN201 on
MA-91 board?
NO
YES
Fuse F401 on MA-91 board
is defective.
Pins 93 to 96 of C505, or
1C407 line on MA-91 board
are defective.
Peripheral circuits Q407 and
Q408, and CN201 line on
MA-91 board are defective.
The piaten motor is defective.
UP-980(UC)
UP-980CE(¢ E)