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<p><font face="Candara">We've had a few thickfilm assemblies inside
power supplies die.</font></p>
<p><font face="Candara">While these weren't coated there seemed to
be rhyme or reason.</font></p>
<p><font face="Candara"><br>
</font></p>
<p><font face="Candara">Chemical soaking may loosen the coating, but
it may take a bit of experimenting to find something that
softens the coating but leaves the internals intact.<br>
</font></p>
<p><font face="Candara">I presume there is no alternative supply
available?</font></p>
<p><font face="Candara"><br>
</font></p>
<p><font face="Candara">Mark</font><br>
</p>
<div class="moz-cite-prefix">On 12/03/23 08:55, Marshland
Engineering wrote:<br>
</div>
<blockquote type="cite"
cite="mid:528962974778058922@marshland.co.nz">
<pre class="moz-quote-pre" wrap="">I have replacements on the way from Aliexpres !!!
I'm interested in why (if at this point) it blew.
I do have a circuit diagram on the inners.
One suggestion was to carefully sandblast it.
Cheers Wallace
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