Hello Gary,
The adhesive doesn't come off with solvent - I am afraid very careful
scraping with a pointy scalpel under the microscope was what did it. That's
what makes me think it is epoxy-based. Touching it with a hot iron also
doesn't seem to have much effect. Once cured it probably can only be
mechanically removed. But it is not immensely strong, I guess the metal
filler means it can be kind of crumbled off bit by bit. Make sure you really
get all the debris removed as of course it is conductive and would easily
cause trouble elsewhere.
I hope you get yours going!
Kind regards,
Thomas.
Message: 3
Date: Wed, 19 Jul 2017 07:09:58 -0600
From: Gary Neilson <[email protected]>
To: [email protected]
Subject: Re: [time-nuts] 5370B Input Board Repair [WAS: 5370B Question
/ help needed]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8; format=flowed
This is very interesting, I have a 5370B that has the same behavior as
yours. I will take the input board out again and give it a good
inspection. BTW, what did you use to clean the adhesive from the pads ?
Thanks
Gary
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