Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
Go to Page...
We appreciate your help
in keeping this site going.
I don't touch sets made after 1980 nor do I keep service literature that new... But I do know you buy the service literature from this source: https://samswebsite.com/en/photofact...earch&s=Search may want to search the model number to make sure you have the literature for right version of the 140.
Thank you for the resource, but I'm not ready yet to spend $35 on a copy of a schematic.