How to work out unknown PSU replacement

[Mike Stein]

----- Original Message ----- 
From: "Adrian Graham via cctalk" <cctalk at classiccmp.org>
To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
Sent: Saturday, November 03, 2018 4:59 AM
Subject: Re: How to work out unknown PSU replacement
...
> Today I’ll break out the ’tin foil covered sponge’ method of tracing any other points on the board that I might have missed last night.
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"Tin foil covered sponge" ???