C3 (Ph Malfunctions; C04 (Exposure Lamp Malfunctions - Minolta CF910 Service Manual

(7) C3 (PH Malfunctions)
C3F80 (SOS Not Detected)
• PH Control Board (Analog) PWB-JA
• PH Control Board (Digital) PWB-JD
<Troubleshooting Procedure>
Step
Are the connectors in the PH Unit plugged
in correctly?
(8) C04 (Exposure Lamp malfunctions)
C0400 (Exposure Lamp LA1's Failure to Turn ON)
C0410 (Exposure Lamp LA1 Turning ON at Abnormal Timing)
• IR Control Board PWB-C
• DC Power Supply 2 PU2
<Troubleshooting Procedure>
Step
1 Is the malfunction code C0400 shown?
2 Is TS3 open?
3 Is LA1 out?
4 Does LA1 turn ON when PU2 is replaced?
Possible Defective Components
Check Item
Possible Defective Components
Check Item
T-49
• SOS Sensor
Result
YES Change the PH Unit.
NO Reconnect the connectors.
• Exposure Lamp LA1
• IR Section Thermostat TS3
Result
NO Go to step 4.
YES Change TS3.
YES Change LA1.
NO Change the board of IR
(PWB-C).
Action
1154C18TAA
Action