Minolta EP1080 - Page 281

C0400
Step Check Item Result Action
1
Does LA1 light up when the Start Key
is pressed? YES
Check the photo receiver of the AE
Sensor for contamination.
Replace PWB-H or PWB-A.
2
Does the voltage across PJ2A-11 on
PWB-A and GND become DC4.3V or
less when LA1 turns ON?
NO
Replace PWB-A.
3
Disconnect CN7 (2P). Is there
continuity across CN7-1 and 2 on the
LA1 side?
NO
Check LA1 and TF2 for continuity.
4
Is the voltage across PJ2-1 and 2 on
PU1 AC100V?
YES Replace PU1.
NO
Check DC Power Supply Unit PU2 and
Power Supply Board PWB-C.
C0410
Step Check Item Result Action
A
Does LA1 turn ON when the Power
Switch is turned ON or in the standby
state?
NO
Check to see if the photo receiver of
the AE Sensor is receiving extraneous
light.
Replace PWB-H or PWB-A.
B
Does the voltage across PJ2A-11 on
PWB-A and GND remain DC4.3V or
lower when the Power Switch is turned
ON or in the standby state?
YES
Replace PWB-A.
NO
Replace PU1.
T-49