Minolta Di 620 Manual page 274

C0600
Step
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
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
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?
Check Item
Check Item
Check Item
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