You can basically buy them on Amazon, Ebay etc. Go to this site and read the tear down and you should get a basic idea of what you need to do for a fix. Make sure you have the correct model number, as there are different parts.
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!