Re: CPU board not working?

I'm not a Lisa hardware expert, but for a first pass try to determine if the processor is even running. Check the various lines with a logic probe or scope and see if there is life anywhere.

On Wed, Feb 28, 2018 at 10:49 PM, <austjeremy_at_email.domain.hidden> wrote:

> I'm trying to get my second Lisa working. I have verified all of the parts
> on the computer are working except the CPU board. I have checked all of the
> removeable chips including CPU, and ROMs, in my other CPU board, and they
> are working. With the nonworking board in place, the system power light
> comes on, but nothing else happens. There is no click, nothing on the
> screen. Has anyone experienced this problem before?
>
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