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Old Today, 03:28 AM   #1
vizion is offline vizion  United States
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Default TDA1543 and shhhhh noise

Hi All,

Iím playing with an i2s source with only 3 wires. B clock, Word clock and Data. On my TDA1543 DAC with i2s input, I see 2 GND lines. I just ignored them.
Thereís no music coming out. I can only hear shhhhhh noise. Any ideas ?

Thanks in advance.

Eric
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Old Today, 04:03 AM   #2
vizion is offline vizion  United States
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It looks like I have to connect all the GND lines from the I2S source and the DAC
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Old Today, 06:14 AM   #3
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One GND line would do it.
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Old Today, 03:54 PM   #4
DF96 is online now DF96  England
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There is no such thing as a voltage. You have also just discovered that there is no current without a circuit. Mr. Kirchoff had something to say about these two issues.
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