Power Up: DLP-506
363-205-401
Page 4 of 6
Issue 7, March 1997
9.
Does DMM indicate between 105 and 129 volts?
If YES, then proceed to Step 27.
If NO, then continue with Step 10.
10. Unseat 336A RECTIFIER.
11. Connect DMM test leads to AC jack and GND jack on LDU.
12. Does DMM indicate between 105 and 129 volts?
If YES, then continue with Step 13.
If NO, then proceed to Step 17.
13. Replace 336A RECTIFIER.
14. Connect DMM test leads to AC jack and GND jack on LDU.
15. Does DMM indicate between 105 and 129 volts?
If YES, then proceed to Step 33.
If NO, then continue with Step 16.
16. Replace 336A RECTIFIER with original 336A RECTIFIER removed previously
and check wiring on power shelf using SD-7C119-01. Repeat procedure from
Step 4 after locating and correcting trouble.
17. Check for presence of 105 to 129 volts AC at rear of power shelf.
18. Is correct voltage present?
If YES, then continue with Step 19.
If NO, then proceed to Step 24.
19. Replace LDU.
20. Connect DMM test leads to AC jack and GND jack on LDU.
21. Does DMM indicate between 105 and 129 volts?
If YES, then proceed to Step 4.
If NO, then continue with Step 22.
22. Replace LDU with original LDU removed previously.
23. Check wiring on power shelf using SD-7C119-01. Repeat procedure from Step
4 after trouble is found and corrected.
