Signetics N8251 source?

Brian Walenz thebri at
Sun Jul 24 20:12:24 CDT 2016

On Sun, Jul 24, 2016 at 5:01 AM, Mattis Lind <mattislind at> wrote:

> After successfully repairing the G231 module of the MM11-L set I continued
> with the next one. This one was not able to access addresses ending 0100
> (binary). Luckily it was not the transistors arrays that were bad but the
> selector chip. A Signetics N8251 chip.

I suspect that since you've debugged it already, this won't help.  Just in
the datasheet is on page 52 of:



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