you know,,i remember having a compass gold star detector 20 or so years ago,,,,with their boards they always used to dip or cover them in what was called a potting solution,,like a type of wax stuff,,,someone reckoned it kept the temperature more stable and of course gave the board more protection from heat changes and water or moisture ingress,,,,(it was also more difficult to carry out any repairs),,,but i loved the idea,,,why not try and coat or spray the board or inside of the machine with something like that,,,the chances of you needing repairs that would involve removing components from the board is probably non existant these days ,,as you cant even see the components let alone remove them,,,it would just be a board replacement,,,,give it a try ,,the formula or probably a can of stuff is available on the market to use right away,,/?? rgds,,
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