Power Up: DLP-529
363-205-401
Page 2 of 4
Issue 7, March 1997
2.
Verify that each fuse holder on RCU faceplate contains an 80G (0.5A) fuse
and that no fuses are blown. (Fuse bead will pop out when fuse is blown.)
3.
Are any fuses blown?
If YES, then continue with Step 4.
If NO, then proceed to Step 6.
4.
Use 553A extractor tool (COMCODE 997991575) (Techni-tool No. 594TE170)
or 319B (KS-6305) extractor tool (COMCODE 100753904) (Techni-tool No.
490PL020) to remove blown fuses.
5.
Install good 80G (0.5A) fuse in each empty fuse holder.
6.
Verify that both 3C or 3A ringing generators are installed in GROUP 1 side -
RING GEN 1 and RING GEN 2 slots.
Reference:
DLP-528
7.
On GROUP 1 side, install RCU into RCU slot in ring shelf.
8.
Do any fuses blow on RCU?
If YES, then continue with Step 9.
If NO, then proceed to Step 15.
9.
Replace RCU. Do any fuses blow on RCU?
If YES, then continue with Step 10.
If f NO, then proceed to Step 15.
10. On ring shelf on right-hand side, disconnect P116 ringing output connectors,
then replace blown fuses on RCU.
11. Do any fuses blow on RCU?
If YES, then proceed to Step 13.
If NO, then continue with Step 12.
12. Refer to SD-7C158-01 to check connectors on 80E bulk-power cabinet and
correct wiring problem. Repeat from Step 8.
13. Use SD-7C155-01 to correct wiring problem in ring shelf.
14. Reconnect J116 connectors and replace blown fuses on RCU. Repeat from
Step 8.
