Acoustic Solutions Hi-Fi Amplifier Repair and Teardown – Error U52, U53

In this video, Steve performs a Hi-Fi Amplifier repair and teardown on an Acoustic Solutions SP101 Hi-Fi Amplifier that displays Error U52 or U53 on the display. The amplifier is unable to store tone and balance settings and doesn’t always respond to changing the volume with the rotary encoder.

The video walks through the design of the amplifier, the repair and also the replacement of the rotary encoder.

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