Minolta Di620 Troubleshooting Manual page 48

C004B
Step Check Item
1 Check M32 for operation.
Does the voltage across PJ10A-9B on
PWB-A and GND change from DC0V to
DC24V when the malfunction is reset?
2 Does the voltage across PJ10A-11B on
PWB-A and GND change from DC5V to
DC0V when the malfunction is reset?
C004C
Step Check Item
1 Check M12 for operation.
Does the voltage across PJ10A-7B on
PWB-A and GND change from about
DC16V to DC24V when the Start key is
pressed?
2 Does the voltage across PJ10A-5B on
PWB-A and GND change from DC5V to
DC0V when the malfunction is reset?
Result
NO Change PWB-A.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M17.
Result
NO Change PWB-A.
YES Change PWB-A.
NO Check gears for overload and, if they are
okay, change M12.
T-43
Action
Action