Minolta Di 620 Manual page 260

C004D
Step
1 Check M18 for operation.
Does the voltage across PJ2A-13B on
PWB-A and GND change from DC0V to
DC24V when the malfunction is reset?
2 Does the voltage across PJ2A-15B on
PWB-A and GND change from DC5V to
DC0V when the malfunction is reset?
C004E
Step
1 Check M15 for operation.
Does the voltage across PJ2A-6B on PWB-
A and GND change from DC0V to DC24V
when the Start key is pressed?
2 Does the voltage across PJ2A-8B on PWB-
A and GND change from DC5V to DC0V
when the Start key is pressed?
3 Check M16 for operation.
Does the voltage across PJ2A-9B on PWB-
A and GND change from DC0V to DC24V
when the Start key is pressed?
4 Does the voltage across PJ2A-11B on
PWB-A and GND change from DC5V to
DC0V when the Start key is pressed?
Check Item
Check Item
Result
NO Change PWB-A.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M18.
Result
NO Change PWB-A.
NO Check gears for overload and, if they are
okay, change M15.
NO Change PWB-A.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M16.
T-45
Action
Action