Do you mean h742?  What system?

On Sun, Nov 17, 2019, 3:29 PM Dr Iain Maoileoin via cctalk <
cctalk@classiccmp.org> wrote:

> I have a query out on VCFed, but I am not gettin gany interest.  Neither
> did my 2015 request on a similar topic - must be the wrong forum.
>
> Advice please: where is the best place to get some troubleshooting tips on
> debugging a DIGITAL H7202B power supply?
> I have 2 supplies that are giving me trouble.  I am competent at digital
> work, much less so on switch-mode and analogue
> (555 is an analogue in my books!).  I have variacs  scopes, logic
> analysers, voltmeters but no skill ;-(
>
> Any advice?

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