Minolta EP2030 - Page 253

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 4 4
C0400
C0410
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 PJ14A-3
on PWB-A and GND become
DC4.3V or less when LA1 turns
ON?
NO
Replace PWB-A.
3
Disconnect CN7 (2P). Is there con-
tinuity across CN7-1 and 2 on the
LA1 side?
NO
Check LA1 and TF2 for continuity.
4
Is the voltage across CN1-1 and 3
on PU1 AC100V?
YES Replace PU1.
NO
Check Power Supply Unit PU2 and
Power Supply Board PWB-C.
Step Check Item Result Action
1
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 extrane-
ous light.
Replace PWB-H or PWB-A.
2
Does the voltage across PJ14A-3
on PWB-A and GND remain
DC4.1V or lower when the Power
Switch is turned ON or in the
standby state?
YES Replace PWB-A.
NO
Replace PU1.