Here's a link to your service manual:
https://www.google.com/url?sa=t&sour...iuV_0FfCQr8l2Q
And the illustrated parts breakdown:
https://www.google.com/url?sa=t&sour...X_CsCVQl9Ny7r0
Both are pdf download links.
What's up with the unit? Looks like it should be showing error codes if it's not just dead.