Minolta Di620 Troubleshooting Manual page 64

C0600
Step Check Item
1 Is PJ3IC securely plugged into PWB-IC?
2 Check M31 for operation.
Does the voltage across PJ1IC-11 on
PWB-IC and GND change from DC5V to
DC0V when the malfunction is reset?
3 Is the voltage across PJ3IC-6 on PWB-IC
and GND DC5V?
C0602
Step Check Item
1 Has the cable snapped off, is it unwound or
loose, or does a portion of the cable ride
over another?
2 Is PJ3IC plugged properly into PWB-IC?
3 Check M31 for operation.
Does the voltage across PJ1IC-11 on
PWB-IC and GND change from DC5V to
DC0V when the malfunction is reset?
4 Is the voltage across PJ3IC-6 on PWB-IC
and GND DC5V?
5 Is PJ9IB plugged properly into PWB-IB and
PJ14 into PC55?
6 Does the voltage across PJ9IB-2A on
PWB-IB and GND change to DC0V when
PC55 is blocked?
C0650
Step Check Item
1 Has the cable snapped off, is it unwound or
loose, or does a portion of the cable ride
over another?
2 Is PJ9IB securely plugged into PWB-IB
and PJ14 into PC55?
3 Is the light blocking plate installed prop-
erly?
4 Does the voltage across PJ9IB-2A on
PWB-IB and GND change to DC0V when
PC55 is unblocked?
Result
NO Plug it in securely.
NO Check gears for overload and, if they are
okay, change M31 or PWB-IC.
YES Change PWB-IB.
NO Change PWB-IC.
Result
YES Correct or change the cable.
NO Plug it in properly.
NO Check gears and belts for overload and, if
they are okay, change M31 or PWB-IC.
NO Change PWB-IC.
NO Plug them in properly.
YES Change PWB-IB.
NO Change PC55.
Result
YES Correct or change the cable.
NO Plug them in securely.
NO Reinstall.
YES Change PWB-IB.
NO Change PC55.
T-59
Action
Action
Action