Needed - servicemanual for NCR PC4i

[fritz chwolka]

Hello,

I got 2 x NCR PC4i computers. One is running fine at the moment but the 
harddisk has some problems.
The 2nd one had a dead CPU and Bios rom.  I replace both but got no beep 
and nothing on the screen.

The PC4i has a 'rack case' for the motherboard. Changing the case shows 
the same problem.
There maybe  a problem with the power supply.

Does anyone have a service manual or other manuals for the NCR PC4i ?

Here is what I have:
http://oldcomputers.dyndns.org/public/pub/rechner/ncr/PC4i/index.html


-- 
Thanks - greetings
Mit freundlichen Grüßen

Fritz Chwolka