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Guys,
I have an issue with one of my Sys 1 machines. When a coil is activated anywhere on the machine a buzz/hum comes through the speaker as the coil fires. This includes flippers, drop target resets and roto target spins. The sound board is a Gen 1.
Has anyone come across this before and any idea which component I should be looking at replacing before I go off willy nilly replacing everything on the board?
Thanks in advance....
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