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-   -   Help regarding LA4227 wiring (http://www.diyaudio.com/forums/chip-amps/170015-help-regarding-la4227-wiring.html)

ani1987 10th July 2010 12:10 PM

Help regarding LA4227 wiring
 
This is my first attempt at wiring an amplifier that will accept PC lineout signal and feed to two 3ohm 3w speakers. For this I have used LA4227 IC and followed the recommended wiring by SANYO. But I must have goofed up something since when I turn power on, the speakers start to make loud roaring noise so that I have to turn off power to prevent damage to the speakers. This happens when I have not even connected the inputs to the amplifier, regardless of I touch the ground of the circuit. Can somebody shed light on what possibly went wrong?


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