363-205-401
Power Up:
Issue 7, March 1997
Page 1 of 4
DLP-509
Install AUG1 Positive Ring Unit in J1C182BA Power
Shelf
SUMMARY: Verify presence of correct fuses and insert AUG1 PRU into PRU
slot in power shelf. Measure 90 to 110 V AC and
−
50 to
−
60 V DC at
−
20HZ jack, 90
to 110 V AC and 50 to 60 V DC at +20HZ jack, and
−
42 to
−
56 V DC at
−
48V jack.
1.
Get one AUG1 PRU (Figure 1) and inspect for possible physical damage.
2.
Verify that each fuse holder on faceplate of PRU contains an 80G (0.5A) fuse
(red bead) and that fuses are not blown (fuse is blown when bead protrudes
from hole in faceplate). If a fuse is blown, use WECO 553A Extractor Tool
(Techni-Tool No. 594TE170) or WECO 319B (KS-6305) Extractor Tool
(Techni-Tool No. 490PL020) to remove it.
3.
Insert AUG1 PRU into PRU slot in power shelf.
4.
Do any fuses on PRU blow?
If YES, then continue with Step 5.
If NO, then proceed to Step 10.
5.
Replace blown fuse(s) on PRU using WECO 553A Extractor Tool (Techni-Tool
No. 594TE170) or WECO 319B (KS-6305) Extractor Tool (Techni-Tool No.
490PL020).
6.
Do any fuses on PRU blow?
If YES, then continue with Step 7.
If NO, then proceed to Step 10.
7.
Check wiring using SD-7C119-01.
