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IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
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Old Yesterday, 06:20 AM   #381
jimk04 is offline jimk04  United Kingdom
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Join Date: Jul 2018
Location: North Notts
Sorry for duplicating this question; I have asked it in the main isolator 'something cool'thread but it is a but quiet there.

I have recently received an Ian iso board but I get lots of distortion/noise through it. Altered the jumpers as I have a hifiberry dac+pro (master mode). I have followed the power up procedure. Tried a battery pack....I suspected this so swapped for Rpi supplied wall wart smsp. Still same noise.

Any help please?

Thankyou

Last edited by jimk04; Yesterday at 06:36 AM.
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Old Yesterday, 12:00 PM   #382
sq225917 is offline sq225917  United Kingdom
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Join Date: Jun 2004
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Send a message via MSN to sq225917 IanCanada's Latest RPi GB Goodies Impressions... and your tweaks, mods and hints...
Is the noise the same with or without the isolator, could point at a broken dac board if it is. Do you have any way of trying the dac board to prove it's known good.
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Old Yesterday, 12:02 PM   #383
jimk04 is offline jimk04  United Kingdom
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Location: North Notts
Hi Simon. Yes it's all good without it. Had the Rpi3b and dac for a while and no issues. Only recently with the application of the isolator. Take it away and all is well.
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Old Yesterday, 04:44 PM   #384
sq225917 is offline sq225917  United Kingdom
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Are we talking digital noise heard with signal as distortion or just hum and noise that's not signal dependant.

Any chance of a pic showing wiring etc?

I'm up in Sheffield with a full rpi, fifopi, dac, iv stage and lifepo board from Ian if you need a reference.
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