VT101 8085 CPU Fault

js at cimmeri.com js at cimmeri.com
Mon Feb 16 10:15:49 CST 2015

On 2/15/2015 5:24 PM, Robert Jarratt wrote:
> I have checked the ESR on all the electrolytics, they are all fine. Prior to
> all this I had replaced C439 with a higher voltage rated component, as
> recommended here: https://trmm.net/VT100. I used a 100uF part, rated at
> 100V. I had also replaced C437 as that had a high ESR prior to seeing this
> problem.
> Is there anything else I should check?

ESR alone is not enough to validate 

- J.

More information about the cctalk mailing list