Blown (?) right channel on HK amp still making a little noise

Thread Starter

4homer

Joined Jan 20, 2017
1
Greetings,

My Harman Kardon 3490 stereo receiver/amp has a very weak channel. But, it still makes a little sound. I've been known to turn it way up re stupidity. Playing with the balance and volume can give me a lock out and a message 'check amp.' I'm just a chemical engineer, so help me understand how an electronic device can be 'kind of blown.' Thanks
 
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