Where does one find turntable repair in Chicago ?

I wanted to change my cartridge,and I need to find a turntable repair place in Chicago. Since the turntable is 80 lbs., it would help if the company can do a home visit ! Anyone know a reliable firm ?
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Check with Holm Audio
If you take your time, its not a difficult job at all. If you buy the cart from a good seller, they will usually have no problem walking you through the process if you have any trouble.
Brian Walsh of Essential audio in Barrington will do exactly what you are looking for. He'll come to your house and set-up the cartridge to exacting standards.