Minolta Di450 Service Manual page 448

C0045
Step
1 IR Cooling Fan Motor rotation: the voltage
across PJ4IC-4 on SCP Board and GND is
DC24V (during high-speed rotation) and
DC12V (during low-speed rotation) after the
malfunction has been reset.
2 IR Cooling Fan Motor rotation: the voltage
across PJ4IC-6 on SCP Board and GND is
DC5V after the malfunction has been reset.
C0046
Step
1 PH Cooling Fan Motor 1 rotation: the voltage
across PJ4IC-1 on Master Board and GND is
DC24V after the malfunction has been reset.
2 PH Cooling Fan Motor 1 rotation: the voltage
across PJ4IC-3 on Master Board and GND is
DC0V after the malfunction has been reset.
C0047
Step
1 PH Cooling Fan Motor 2 rotation: the voltage
across PJ4IC-7 on Master Board and GND is
DC24V after the malfunction has been reset.
2 PH Cooling Fan Motor 2 rotation: the voltage
across PJ4IC-9 on Master Board and GND is
DC0V after the malfunction has been reset.
Check
Check
Check
T-40
Result Action
NO Change SCP Board.
YES Change SCP Board.
NO Check motor for installa-
tion.
Change motor.
Result Action
NO Change SCP Board.
YES Change SCP Board.
NO Check motor for installa-
tion.
Change motor.
Result Action
NO Change SCP Board.
YES Change SCP Board.
NO Check motor for installa-
tion.
Change motor.