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ES9023 / WM8804 S/PDIF DAC Group Buy
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Old 24th January 2014, 04:05 PM   #681
Stale25 is offline Stale25  France
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Join Date: Dec 2010
Dac available ?
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Old 14th June 2015, 02:51 AM   #682
zany is offline zany  Australia
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Join Date: Oct 2010
Default Late to the party...

This project got sidetracked... life... back in the saddle. First smd project - enjoyed working with these little critters. Finished the boards except for receiver and dac chips. Waiting for chassis... will test voltages before chips are soldered. JP, just noticed your comments re ceramic output caps will replace later. Any comments welcome.

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Old 16th July 2015, 05:10 PM   #683
aradan is offline aradan  Singapore
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Join Date: Apr 2015
Location: Born in Russia, living in Singapore
Hi there.

I have just got a v3 ES board from a fellow member together with a kit.

But it looks like there was no documentation available.

If somebody still has the build guide and Bom etc... Would be great if you could share the info to build this interesting project
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Old 16th July 2015, 07:33 PM   #684
jean-paul is offline jean-paul  Netherlands
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Join Date: Sep 2002
Location: Germany
Somebody shared the stuff of V3 against my wishes but since it is already there:


Please take note yours is a V2.6 which has different part numbers but it is very similar. It seems you soldered C32 in reverse ! I recall the + being wrong on the PCB. Measure it to be sure and replace the cap in case I am right. The pin it decouples has a negative voltage. Replace C8 for a tantalum 10 F 10V or 16V. + to the upper side of the PCB. The ceramic caps after the MIC regs might make the regs oscillate, please use tantalums there.

After much investigation we also found out that it does not sound optimal without chips BTW how will you be soldering those on the board now ?
It's only audio. Member of the non modular PCB design committee

Last edited by jean-paul; 16th July 2015 at 07:45 PM.
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