We used to seal up smelly sets in a bag for a week with activated charcoal, bought bulk. Any remaining smells, and they got the ammonia treatment - not for wood or paper (speakers), but effective on glass, plastic and circuit boards...
Smelly wood cabinets got an inside coat of B-I-N Shellac sealer, an old tip from a furniture-maker. Yes, even the burnt-socks-oh-my-this-flyback-going-up-in-flames-smell goes away with the shellac sealer.
Some adhesives deteriorate to pretty bad smelling stuff, as does some open-cell foam. I can't offer a solution there, 'cept replacement.
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Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"
When fuses go to work, they quit!
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