RE: Occasional buzzing out of left channel

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In Reply to: RE: Occasional buzzing out of left channel posted by kerr on July 23, 2014 at 08:31:57:

Intermittent problems are often the most difficult to diagnose and fix. Sometimes you just wish the equipment would fail outright!

A couple tips for finding intermittent problems. You can try to use hot and cold to see if you can cause the problem to occur more consistently, or to squelch it. A small heat gun directing heat to the suspect area, or a can of freeze spray used in a similar manner. You can spray individual components or area of a circuit board. Look for cold solder joints, reheat suspect solder joints. Carefully flex a section of circuit board by applying pressure to see if you can cause the problem to occur. Apply slight pressure to individual components. Of course be very careful with live circuits.

Intermittents are a PITA.

Wide area and narrow area freeze sprays (Open in New Window)

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Follow Ups Full Thread

Topic - Occasional buzzing out of left channel - kerr 10:13:34 07/21/14 (10)

It's the amp - kerr 14:29:49 07/26/14 (0)

RE: Occasional buzzing out of left channel - Rod M 17:54:58 07/22/14 (3)

RE: Occasional buzzing out of left channel - kerr 08:31:57 07/23/14 (2)

Sounds like a failing caps.... - kuma 19:08:37 07/23/14 (0)

RE: Occasional buzzing out of left channel - AbeCollins 08:53:07 07/23/14 (0)

Need more detail but lots can be done to isolate the problem... - AbeCollins 17:55:06 07/21/14 (1)

Thank you! - kerr 04:44:53 07/22/14 (0)

Amplifier - hawkmoon 13:29:15 07/21/14 (0)

Keep the volume down when listening to Pungent Stench and Belphegor - and it'll be OK. - carcass93 10:36:39 07/21/14 (1)

Not happening! - kerr 10:47:23 07/21/14 (0)

Follow Ups

RE: Occasional buzzing out of left channel - AbeCollins 08:53:07 07/23/14 (0)

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