tomb
Member of the Trade: Beezar.com
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Me, too. I greatly appreciate your effort in trying, though!
COOKIESnPIE,
It may be as mcandmar says - one of the chips somewhere may be bad, perhaps too much heat in soldering, etc. I confess that out of over a dozen PupDAC's I've built, there's one that baffles me - but it was one of four that I was building at the same time and I realized about midway through that I had the iron turned up way too high. Plus, it was the first one in the lot and I spent a lot of time re-positioning the PCM chips - it turned out to be practice for the other three, but I think all that time exposed the primary chips to too much heat. I later on replaced the PCM2707 chip, but it still doesn't work, which makes me think it has to be the DAC chip, now. All voltages are correct and there's no offset to speak of on the output. The PC just won't recognize it, however, and continues to give a USB connection error (why I thought it was the PCM2707 chip).
Anyway, I hope you can figure it out on yours. I'm at a loss to give you any constructive guesses at this point - that's all they'd be: guesses.