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Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
Reference DAC Module - Discrete R-2R Sign Magnitude 24 bit 384 Khz
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Old 13th July 2018, 08:34 PM   #7441
alec_eiffel is offline alec_eiffel  France
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WARNING : if there is suspicion your DAC is deficient, and if you try the unbeffered output, check that there is no DC before pluging the amp.
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Old 13th July 2018, 09:42 PM   #7442
randytsuch is online now randytsuch
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I would take a long hard look at the shift registers for the left output, and compare them to the right output shift registers.
If you probe around, pretty sure you will find a difference.
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Old 14th July 2018, 11:26 AM   #7443
Faboz is offline Faboz  France
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Ok thanks I'll check vcc tomorrow and let you know.
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Old Yesterday, 01:53 PM   #7444
Faboz is offline Faboz  France
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Quote:
Originally Posted by randytsuch View Post
I would take a long hard look at the shift registers for the left output, and compare them to the right output shift registers.
If you probe around, pretty sure you will find a difference.
Hello Randytsuch,

I probed the shift registers, here are the values for VCC
First row: 4.02V
2nd row: -4.02V
3rd row: 4.02V
4th row: -0.11V which is left channel

So You were right, something is wrong with the board, I checked with a Lense to see if something obvious could be seen, but i didnt find anything. Iíll contact Soekris service department for an repair/exchange.

Nothing else to do right?

Faboz
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