14 Nov
1999
14 Nov
'99
11:23 a.m.
The pattern is the same on both boards: 0 = off, 1 =
on.
If you had the pattern below it calls out the M7162/7486
M7162 & M7161 = UDA50
M7486 & M7485 = UDA50A
Error led MSD is the side to the front of the Ba11 (towards
the bottom of the boards.
M7162 or M7486 M7161 or M7485
\+-----------------+/ \+------------------+/
| 8 4 2 1 | | 8 4 2 1 |
| off on off on | | off on off on| this is
| | | | the back of the ba11
front | | | |
of +-||--||--||--||--+ +-||--||--||--||---+
BA11-K
This points to a failure of the M7146 -- if the stuff is as I've
pictured. You seem to have them inverted -- or I misread your note.
Your pattern isn't documented as a valid failure code.
---
bpechter@shell.monmouth.com|pechter@pechter.dyndns.org
Three things never anger: First, the one who runs your DEC,
The one who does Field Service and the one who signs your check.