Alesis io2 driver windows 104/9/2023 ![]() Opening the io2 is not too much trouble and to repair this fault you should only have to remove the main board (you can leave the board with the VU meter and control knobs in place). ![]() I replaced the faulty components and it's as good as new. The IC generating the -ve supply had burnt out, taking at least one capacitor with it. The device needs +ve and -ve rails for the amplifiers and there was no voltage on the -ve rail. The fault was with part of the power supply circuit, and it is most likely the same for any unit exhibiting this behaviour. I quickly ruled out the problem being with the driver and started checking the hardware. ![]() No sound (from either input, regardless of input level) and the VU meter stuck firmly in the red for both channels. ![]() I recently bought an Alesis io2 on eBay that had exactly the same problem. ![]()
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