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With any old sets, and I do this for my '80's Sharp Transistor sets, Once a year I open
them up and vacuum, or blow them out with an air gun. Get all the dust that in this area
along with high summer humidity can cause - or leave the door open to arcing, or
paths to current flow, arcs near flybacks, yokes, etc.... I do it as a precaution,
I don't know if it's a requirement, or necessary, I just think it's worth the effort....
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Yes you can call me "Squirrel boy"
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