amb wrote:First, make sure you used the correct part for U2U (what does the markings on it say?).
Second, make sure you used all the correct value resistors/caps in all positions.
Third, check/reflow your solder joints around U1U and U2U, and the USB connector.
Are the voltages at the 3.3V checkpoints correct?
rocket_sled wrote:My Y1-usb lite is not recognised when plugged in the PC. This was built a while ago and was working fine until now.
I am unable to get a reading on the 5V VCC & 3.3V test points, 5VBUS is ok.
For testing can i use an external 3.3V supply and connect it to the 3.3V test point and check if the DAC is recognised (I do not have an extra U3U IC with me) ?
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