Paper Check" Is Out Of Order - Sony UP-980 Service Manual

5-5. "PAPER CHECK" IS OUT OF ORDER
UP-980(UC)
UP-980CE(CE)
START
Is signal
from sensor available
at pin 9 of IC405 on
MA-91 board?
NO
YES
Is signal
from sensor available
at pin 11 of IC405 on
MA-91 board?
NO
YES
Is signal
from sensor available
at pin 13 of 1C405 on
MA-91 board?
NO
YES
D301 line on PTC-98 or
SE-485 board is defective.
SE-443 board line is defective.
PH301 line on PTC-98 board
is defective.
1C-405 or pins 81 to 83 line of
IC505 on MA-91 board are
defective.
5-5