Donny, it will not work on those type of sealed switches. But, you can destroy a PC board in a heartbeat with it - it's a solvent!

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)