I purchased a used 490i a few years and it worked well until now. I have lost the right channel. Can anyone suggest where I might locate a service manual for a 490i. Has anyone else using a 490i had this problem.
I owned two Harmon Kardon 490i receivers in the mid 1980s. Both proved unreliable in their own way and service at the time was prohibitively expensive. While these may be collectors items now, they were effectively (you didn't have much choice unless you were really wealthy) disposable products.
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