Minolta EP5000 General, Mechanical/Electrical page 380

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
Step Check Item
Is the source voltage applied to the cir-
1
cuit across PJ1-1 and -2 on PU1?
Is the voltage across PJ2-2 or -3 on
2
PU1 and GND DC24V?
Is the voltage across PJ6C-1 on PWB-
3 C and GND DC24V when S1 is turned
ON?
Is the voltage across PJ21-2 on PU1
4 and GND DC5V?
Is the wiring between PWB-A, PWB-C,
and RY1 intact?
5
Result
Change PWB-D.
NO
Check the fuse on PU1 and, if it is in-
NO
tact, change PU1.
Check the wiring between PWB-C and
NO S1 and, if it is intact, change PWB-C or
S1.
Check the wiring between PWB-C and
NO S1 and, if it is intact, change PWB-C or
S1.
Change PWB-A, PWB-C, and RY1, in
YES
that order.
Correct the wiring or change the har-
NO
ness.
T-105
Action