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In this video:

A customer sent in a class-D plate amplifier that has excessive popping sounds when turning the volume potentiometer (POT). I also discover other issues while troubleshooting the main issue. This videos pretty much covers how I go about troubleshooting noise issues in an amplified audio system.

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Chapters
00:00 Intro
00:23 Overview
01:01 Analysis Begins
03:58 Visual Inspection of Plate
05:10 Visual Inspection of Audio Using O'scope
13:49 More Teardown & Visual Inspections
15:26 Potentiometer DMM Checks
19:51 Post Inspection Thoughts
23:55 Replacing the Pots
26:23 Post Repair Checks on O'Scope
35:41 Pot Teardown and Inspection
46:29 Sub Audio Tests
55:26 Outro

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