363-205-401
Power Up: DLP-530
Issue 7, March 1997
Page 5 of 6
17. Has PCU been replaced?
If YES, then proceed to Step 19.
If NO, then continue with Step 18.
18. Replace PCU and repeat procedure from Step 3.
19. Use SD-7C150-01 to check RT optics power shelf wiring between TB1 and
BFU1/BFU2 and between BFU1/BFU2 and the PCU. Repeat the procedure
from Step 11 after locating and correcting the source of trouble.
20. Trouble in wiring between bulk power source and optics power shelf. Repeat
the procedure from Step 11 after locating and correcting the wiring trouble.
21. Has voltage been checked at all PCUs?
If YES, then proceed to Step 23.
If NO, then continue with Step 22.
22. Go to next PCU and repeat procedure from Step 11.
23. Disconnect DMM test leads.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.