Muse TDA1543 dac
Jeff, is this one worth trying? It is certainly low cost. I am tempted.... Dave
Jeff, is this one worth trying? It is certainly low cost. I am tempted.... Dave
It sounds like it's dead and you should really contact the seller (quickly!) about a replacement.
Now, if you want to take on the challenge of trying to trouble-shoot it yourself that's a whole other matter... is this what you want to do?
If so, we don't really need a schematic: it's all in the pic:
View attachment 351702
First thing: are you using the right polarity on the power input (center is usually power and outside is usually gnd but double-check on this DAC)? (I've done this!)
Then post what the voltage is on the voltage regulator pins, and the chips (eg: TDA1543, Vdd is pin 5) and we'll go from there ...