Date   : Mon, 19 Feb 1990 18:51:41 GMT
From   : jacobs.CS.ORST.EDU!kleinj@cs.orst.edu (Justin Klein)
Subject: Needed repairs for Xerox820-I/Bigboard

For quite a while now, I have owned a Xerox 820/I, which (I am told) is
similiar if not identical to the Ferguson Bigboard.  
 
Quite some time ago it developed a problem.  It used to use an old Tektronix
keyboard, and this keyboard burned out.  We are rather certain that the 
keyboard is what's gone, as we have had replaced all the chips in the keybd
interface, and the rest of the components look good.
 
I have another keyboard that I wisht to connect.  It too is a Tek keybd,
and the edge card connector is exactly the same pattern.  In the lower
left hand corner of the PCB is the following:

       KTC A65-01863-003
       PCB-002D

       and in smaller type right below this, the inscription:

       TEKTRONIX INC 119-0374-09
                         REV D

In addition, it has a numeric keypad on the right hand side of the board with
cursor controls on the top of the keys, numbers on the front and a click-lock
NUM LOCK key, also a click-lock TTY LOCK key at the lower left of the main
section of the keyboard.

What I need, in all sincerity, is help in locating tech data, direct advice, or
a comibination of both...as far as tech data, I need anything that would 
help me to make the keyboard and computer come together (schematic for the key
board, or schematic for keyboard input to the Bigboard, as the doc I got with
the old girl are woefully incomplete).  Alternatively, I would appreciate
any addresses...email or otherwise...that would connect me with anybody who 
had this info.  We have the tech expertise on tap...all we need is the 
intelligence.

Please help me get a magnificent old computer back on line!  We miss her!
 
 advaTHANKSnce!
 -Justin Klein-
 Email:kleinj@jacobs.cs.orst.edu, Corvallis, Or.