Harman Kardon Receivers

Vintage Asylum

Classic gear from yesteryear; vintage audio standing the test of time.

I don't think I have ever owned a HK vintage receiver that WORKED properly. I know they can sound good. I have a 630 receiver, whose treble control does not work whasoever. I opened it up and sprayed contact cleaner all in the treble control to no avail. A local tech said the repaair of this could be costly because of the need to look through a series of filters, etc.
I also have a 770 reciever, in which one channel is fairly distorted in one channel on FM stereo.
Do either of these sound like an easier repair? Would I (being eletronically challenged) be able to troubleshoot/repair either?

Thanks for any help.

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Topic - Harman Kardon Receivers - audiogatorjim 15:53:37 04/16/12 (10)

RE: Harman Kardon Receivers - Bold Eagle 09:50:15 04/19/12 (6)

RE: Harman Kardon Receivers - michaelhigh 12:47:42 04/20/12 (1)

RE: Harman Kardon Receivers - Van_Isle 22:17:19 05/21/12 (0)

During - unclestu 15:15:07 04/19/12 (2)

RE: During - Bold Eagle 16:28:27 04/19/12 (1)

RE: During - Tadlo 16:41:26 04/19/12 (0)

RE: Harman Kardon Receivers - Crazy Dave 10:47:36 04/19/12 (0)

RE: Harman Kardon Receivers - Brian Levy 07:45:29 04/17/12 (0)

Funny you say that. - soundnut 06:43:33 04/17/12 (0)

Didn't - unclestu 18:07:13 04/16/12 (0)

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