363-205-401
RT Turn Up:
Issue 7, March 1997
Page 1 of 2
DLP-511
Install Transcoder Unit (TCU)
1.
Get one TCU (AUA71) and inspect for possible damage.
2.
Insert TCU into appropriate LIU-B or LIU-D slot (left side for blue bank or
right side for white bank) in facility shelf while observing FAIL indicator on
TCU faceplate.
Response:
TCU FAIL indicator lights momentarily. Other indicators
remain the same.
3.
Did FAIL indicator on TCU light momentarily?
If YES, then proceed to Step 16.
If NO, then continue with Step 4.
4.
Replace TCU while observing FAIL indicator on TCU faceplate.
5.
Did FAIL indicator on TCU light momentarily?
If YES, then proceed to Step 16.
If NO, then continue with Step 6.
6.
Replace TRU in AB shelf.
7.
Replace TCU with TCU removed previously while observing FAIL indicator
on TCU faceplate.
8.
Did FAIL indicator on TCU light momentarily?
If YES, then proceed to Step 16.
If NO, then continue with Step 9.
9.
Unseat TCU.
10. Replace TRU in AB shelf with TRU removed previously.