Rob Jarratt via cctalk wrote:
> Thanks Eric, I had a private reply that said pretty much the same thing.
>
>
>
> Last night I replaced the shorted diode and another electrolytic capacitor
> and the PSU started up on the bench, powering a load board and an RD53 hard
> disk. Ripple was good except on the -9V output, but that output doesn’t seem
> to have any capacitors after the final transformer, so I think it is OK.
>
>
>
> I need to replace a few marginal capacitors on the video module now, while I
> have the machine in bits. Then I will put it all back together to see that it
> still works. I have a lingering worry that the failed diode was on the +28V
> supply to the video module and that there might be a fault on the video
> module, but it doesn’t appear to present a short circuit, so I am hopeful.
>
>
>
> I will do a blog post once it is all back up and running.
>
>
>
> Thanks
>
>
>
> Rob
>
Congratulations Rob, you made it.
Regards,
Holm
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