Question about NAD C372 Amplifier

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I have and old NAD C 320 with all of a sudden started to produce a burning smell and smoke. It definitely was not overheating; I was not even using it at the time it was just turned on. Now onlt the red light will show and when it is life on for only a short while there?s a pop sound and more smoke. I have opened it up and there is no obvious problem. Fuses are all ok etc. what on earth is the problem?

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You'll need to take it in and have an electronics technician fix it. Sounds like it has popped a channel. Sometimes it just happens.
But you might also check your speaker wiring. Sometimes it gets frayed and shorts, which will strain the outputs and sometimes cause damage that doesn't immediately kill the output transistors.
This is not customer serviceable.
Steve Greenfield
Electronic Engineering Technician student
Electronic Technician 20+ years
CET Computers and Consumer Electronics
IPC-A-610D CIS Specialist

Posted on Feb 06, 2010

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Posted on Jan 02, 2017

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