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 Forum index » DIY Hardware and Software » YuSynth
Error in new Noise+S&H PCB image
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drakfluga



Joined: May 09, 2012
Posts: 49
Location: Gothenburg SE

PostPosted: Fri Feb 24, 2017 5:51 pm    Post subject: Error in new Noise+S&H PCB image Reply with quote  Mark this post and the followings unread

Hi,

I've just completed a Noise+S&H, etched from the latest (Nov 2016) PCB image available on yusynth.net. I plugged it in and everything worked fine except for the internal clock, so I started troubleshooting. Naturally I looked for something I had done wrong, so I went over every component in the oscillator circuit several times and found no fault.

Finally I noticed a discrepancy in the PCB; the trace that goes to pin 3 of the TL071 has been mistakenly drawn to pin 2 in the PCB image! I broke the trace at pin 2 and put a bodge between the trace and pin 3; it now works flawlessly!

I'm guessing I'm the first to build the combo board since the last update, so hopefully this will help someone who might have used the new image before a fix goes live on the website.

And to Yves, if you read this, thank you again! I'm having the time of my life with this build. Smile

Photo for reference:

Posted Image, might have been reduced in size. Click Image to view fullscreen.
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yusynth



Joined: Nov 24, 2005
Posts: 1314
Location: France

PostPosted: Sat Feb 25, 2017 2:00 pm    Post subject: Reply with quote  Mark this post and the followings unread

OK I correct this ASAP
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Hubaswift



Joined: Jul 06, 2016
Posts: 91
Location: Canada

PostPosted: Tue Feb 28, 2017 5:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

I was in the middle of building one and saw this, you probably saved my a half hour or so. Thanks!
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yusynth



Joined: Nov 24, 2005
Posts: 1314
Location: France

PostPosted: Wed Mar 01, 2017 12:36 am    Post subject: Reply with quote  Mark this post and the followings unread

It has been corrected last saturday
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Yves
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