Printed Curcuit - Team Camaro Tech
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post #1 of 4 (permalink) Old Apr 6th, 06, 10:31 AM Thread Starter
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Bob
 
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Printed Curcuit

I repaired the printed curcuit on 68 SS by using a rear window defog repair kit to bridge the break in the curuit. What can I use to cover the repair so that I don't have what amounts to a bare wire on the back of the instrument cluster? My original thought was clear finger nail polish. On second thought a Camaro bonfire would probably make for a bad day!!!!

Any thoughts?

Bob
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post #2 of 4 (permalink) Old Apr 6th, 06, 10:57 AM
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John
 
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Re: Printed Curcuit

I wouldn't use something flamable

I've been using a light coat of one of the two-part clear epoxy's, brushed on with a small 'throw-away' type acid brush, for many years and it works very well.
Tha factory units are coated with a UV-Cured liquid solution (technical term is 'Solder Mask' ) applied by a silk-screen or dry-film process then cured. This is very hard to duplicate on a small scale, but RadioShack (and other specialty electronics stores) sell a "Conformal Coating" product that will sorta duplicate the original coating - lots of money for a small quick repair though.

Another easy copper material to find and do the repairs with is 'Copper-Foil'. You can find rolls, in lots of widths, at electronic stores and stained-glass supply stores.

Hope this helps;
John

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post #3 of 4 (permalink) Old Apr 6th, 06, 05:49 PM
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Joe
 
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Re: Printed Curcuit

My Dad repaired his 1960 GMC Suburban's circuitboard by cutting out thin strips, soldering them in the areas that had broken or missing sections, then coated it with epoxy. It works very well.
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post #4 of 4 (permalink) Old Apr 7th, 06, 05:06 AM Thread Starter
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Bob
 
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Re: Printed Curcuit

Vintage/8T

The clear epoxy thing is a great idea. Thanks for the help.

Bob
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