Try it!!!! (Was - Re: One More PCB Dishwasher Question)

From: Bob Shannon <bshannon_at_tiac.net>
Date: Fri Dec 28 19:42:36 2001

Tried it.

It toasted an EPROM, and a 68000N-10 in a plcc package.

The heat is simply too high.

Also, older boards often use TTL devices in the grey package that is not
properly passivated. These often go bad without running them through
a dish washer.

For every person on the list who can look at a given board and decide
what components may withstand this treatment, there is another who will
not know a TCXO from any other oscillator, or some other component that
will not stand this abuse (many won't, and only some of them are listed below),
and dammage something.



Matthew Sell wrote:

> For those who don't believe that it's okay - prove it to yourself. Here's how:
>
> 1) Pick a dirty, filthy board that somehow seems to work, and is worth very
> little to you
> 2) Make sure it doesn't have:
>
> a) relays
> b) large capacitors
> c) transformers
> d) iron-core inductors
> e) fragile labels or core memory
>
> 3) put it in your dishwasher by itself, with no detergent (just for
> testing), and turn off the plate warmer and dryer
> 4) wash it!
> 5) shake off excess water after cycle finishes
> 6) clean - isn't it?
> 6) hang up to dry indoors for several days
> 7) plug it in. Works, doesn't it?!! And clean, too !!!!!
>
> Don't take our words for it. Try it!!!! You'll be amazed at how clean the
> boards get, with so little effort on your part.
>
> - Matt
>
> At 11:22 AM 12/28/2001 -0600, you wrote:
> >On Fri, 28 Dec 2001, Bob Shannon wrote:
> >
> > > Never run boards through a dishwasher!
> >
> >Oh no, not this thread again :)
>
> Matthew Sell
> Programmer
> On Time Support, Inc.
> www.ontimesupport.com
> (281) 296-6066
>
> Join the Metrology Software discussion group METLIST!
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>
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>
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Received on Fri Dec 28 2001 - 19:42:36 GMT

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