No Power Is Supplied To Options - Minolta CF910 Service Manual

(3) No Power is Supplied to Options

• Power Supply Board PWB-L
<Troubleshooting Procedure>
Step
1 Is the source voltage being applied to
PU1?
2 Is DC24V being output from PU1?
3 Is PU1 connected properly to PWB-L?
4 Are fuses (F1L, F2L) on PWB-L intact?
5 Is DC24V being output to each option
from PWB-L?
Possible Defective Components
Check Item
T-54
• DC Power Supply PU1
1154C23TAA
Result
NO Check the power line wiring.
NO Change PU1.
NO Correct the wiring.
YES Change PWB-L.
NO Change the defective fuse.
NO Change PWB-L.
Action