Minolta Di350 Service Manual page 225

FrameMaker Ver.5.5E(PC) Di350 TROUBLESHOOTING
98.12.09
C0990
Step
1 Does "C0990" reappear even after
EMOT has been replaced with a
new one?
C0991
Step
1 Is LS1 fully operational? Check the
input data using I/O Check.
2 Does the voltage across CN4A-6 on
PWB-A (PF-106) and GND change
to DC5V when LS1 is blocked and
to DC0V when LS1 is unblocked?
3 Does EMOT turn when a drawer
loaded with paper is slid into the
copier?
4 Does the voltage across CN5A-1 on
PWB-A (PF-106) and GND change
from DC0V to DC24V when step 3
is performed again?
C0995
Step
1 Does "C0995" reappear even after
HMOT has been replaced with a
new one?
Check Item
Check Item
Check Item
Result
YES Change PWB-A (PF-106), PWB-A
(PF-108/PF-110), PWB-A (Cas-
sette Main Board), or PWB-A, in
that order.
Result
YES Perform step 3 and onward.
YES Change PWB-A (PF-106), PWB-A
(PF-108/PF-110), or PWB-A (Cas-
sette Main Board), in that order.
NO Change LS1.
YES Check gears and couplings for
proper engagement and, if they are
okay, change PWB-A.
YES Check various parts for possible
overload and, if they are okay,
change EMOT.
NO Change PWB-A (PF-106), PWB-A
(PF-108/PF-110), PWB-A (Cas-
sette Main Board), or PWB-A, in
that order.
Result
YES Change PWB-A (PF-106), PWB-A
(PF-108/PF-110), PWB-A (Cas-
sette Main Board), or PWB-A, in
that order.
T-38
Action
Action
Action