Minolta Di 620 Manual page 254

C0020
Step
1 Check M21 for operation.
Does the voltage across PJ2F-2 on PWB-F
and GND change from DC5V to DC0V
when the Start key is pressed?
2 Does the voltage across PJ2F-4 on PWB-F
and GND change from DC5V to DC0V
when the Start key is pressed?
C0040
Step
1 Check M14 for operation.
Does the voltage across PJ3A-8B on PWB-
A and GND change from DC5V to DC0V
when the malfunction is reset?
C0042
Step
1 Check M13 for operation.
Does the voltage across PJ2A-3B on PWB-
A and GND change from DC0V to DC24V
when the Start key is pressed?
2 Does the voltage across PJ2A-5B on PWB-
A and GND change from DC5V to DC0V
when the Start key is pressed?
C0048
Step
1 Check M34 for operation.
Does the voltage across PJ3A-7A on PWB-
A and GND change from DC5V to DC0V
when the malfunction is reset?
2 Check M35 for operation.
Does the voltage across PJ7A-12A on
PWB-A and GND change from DC5V to
DC0V when the malfunction is reset?
Check Item
Check Item
Check Item
Check Item
Result
NO Change PWB-A or PWB-F.
YES Change PWB-A or PWB-F.
NO Check gears for overload and, if they are
okay, change M21.
Result
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M14.
Result
NO Change PWB-A.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M13.
Result
NO Check gears for overload and, if they are
okay, change M34.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M35.
T-39
Action
Action
Action
Action