Strange sound from speakers

[lootalot]

I bought Pachinko slot machine on craigslist , it worked fine for 45 minutes after purchase until i decided to move those switches on a door and return to same position some sound starts coming from speakers , like a television interference. Does anyone know what happened? I hope i can fix this
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[Moparformances]

sorry i cant really help ya but wanted to say

Welcome to Pachitalk

[rockston]

While its off, spray the switches with electronics cleaner and move them back and forth. Try to get inside the switch with the spray.

[takethecastle57]

and biscuits

[lootalot]

Hi everyone glad to be here! wow good old smileys on this forum. I am going to try electronics cleaner ,good option.

[lootalot]

I found this cleaner on ebay i think this is it -

Electrical Contact Flashpoing Quick Dry Electronic Cleaner
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But can i use WD-40 since i already have it?

[ebb]

Glad to have you here
these machines were designed to play at max volume for the most part
some actually have very nice dial controls
the feedback may never go away.. in-line volume controls or micro resistors can help
Hope the cleaner works

[takethecastle57]

WD 40 is a Water Displacement Formula 40' but WD40 does make a Specialist Electronic Contact Cleaner .

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https://www.amazon.com/WD-40-Special...silk_at_search