You can fix any piece of electronics if you replace every component on the board [
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I've not looked at a Classic motherboard, but I figure that an audio circuit that's 20 years old is bound to have transistors or a simple 6 or 8 pin IC that you can replace. (Tip: I solder IC-sockets back onto the board so the same component can be repaired again later without have to use a soldering iron) I'd suspect almost every capacitor in the circuit would ba little tired and I'd probably just replace everything - even resistors, which are the most robust component usually.... but this is a 20 year old Mac. If it didn't work after that I may be forced to break out the multimeter [
] ]'>
)] ]'>I've not looked at a Classic motherboard, but I figure that an audio circuit that's 20 years old is bound to have transistors or a simple 6 or 8 pin IC that you can replace. (Tip: I solder IC-sockets back onto the board so the same component can be repaired again later without have to use a soldering iron) I'd suspect almost every capacitor in the circuit would ba little tired and I'd probably just replace everything - even resistors, which are the most robust component usually.... but this is a 20 year old Mac. If it didn't work after that I may be forced to break out the multimeter [
] ]'>