I'd say you should try to resolve problem with comparator voltages you
measured, because of them 8048 is held at reset and will not start
whatever replacement you put there.
I don't have your measurement picture anymore, just relying on my memory.
Roman
W dniu 2016-02-12 o 15:08,
grantbt@jps.net [PolySix] pisze:
>
>
> Regarding the 8048, I"m guessing you could replace that with an
> equivalent part burned with the P6 code in it. I don't recall making one
> myself but I can look and see. I have made similar 8048 type MCUs
> before. Gotta see if I have the code first I guess...
>
>