In message <[EMAIL PROTECTED]>, "Richard and M
arcia Putz" writes:

>I had similar problems with my HP105, not bad transistors, check
>out the filter capacitors. Electrolytics in any equipment past 15-20
>years of age could be suspect. I'd look there first.

In general when powering up equipment that has been turned of for
years:  Use a variac and ram the voltage up slowly over a couple of
days.

Electrolytics can loose their polarisation over time and if exposed
to full voltage they are likely to splatter all over the place, but
if you give them a slow start they will most often recover their
polarisation and work fine.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED]         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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