Tape deck repair in the Chicago area

Greetings tape-o-philes!   

I have an old friend who lives in Chicago and has revealed to me that he owns an Otari MX5050! He thought it was worthless junk, but I sent him the sold page from Hifishark and now he knows different. He still has tapes, and he'd like to get it repaired but he really doesn't want to ship it.

Can anyone recommend a reliable repair shop in and around Chicago? I'm a vinyl person myself but I told him I knew people who knew people. Thanks in advance!

David