Please also contacts George Meyer AV. They Specializing in High End Audio & Video Repairs. I have never used them but their web site says they do repairs on Chord equipment. See:
"George Meyer AV provides an unparalleled quality of care when repairing audio equipment. As audiophiles ourselves, our staff caters to the true audio enthusiast who has a genuine interest in quality equipment. While the term “high end audio” often refers specifically to price, we recognize that it instead represents superior quality of a product’s components and sound reproduction, as well as its subjective value to an individual consumer. We at George Meyer AV understand the value of both new and vintage audio, and in both our repairs for customers and our sales of vintage equipment, we insist on the same exceptional standard of sound quality that we expect to listen to as true music lovers".
https://www.georgemeyer-av.com
https://www.georgemeyer-av.com/about-us/
"George Meyer AV provides an unparalleled quality of care when repairing audio equipment. As audiophiles ourselves, our staff caters to the true audio enthusiast who has a genuine interest in quality equipment. While the term “high end audio” often refers specifically to price, we recognize that it instead represents superior quality of a product’s components and sound reproduction, as well as its subjective value to an individual consumer. We at George Meyer AV understand the value of both new and vintage audio, and in both our repairs for customers and our sales of vintage equipment, we insist on the same exceptional standard of sound quality that we expect to listen to as true music lovers".
https://www.georgemeyer-av.com
https://www.georgemeyer-av.com/about-us/