madbeanpedals::forum

Projects => Tech Help - Projects Page => Topic started by: Longer713 on March 09, 2017, 05:45:52 PM

Title: Madbean's Current Lover - works but not quite as wished..
Post by: Longer713 on March 09, 2017, 05:45:52 PM
Hello everyone!

I'm in big need to debug my Current Lover builds. Yes, I have 3 boards in progress and none of them works properly. I mean that before calibration I do get a clean signal (which is good) but during calibration sometimes I reach nasty clock clicking noise or very poor flanging (practicaly no jet flanging at all) comparing to what you can find on YouTube. I made a run through every single resistor and cap, tried to swap ICs and I'm kinda hopeless.



Here are my voltages:

https://ibb.co/dSRsBF

And the PCB itself:

https://ibb.co/dqcM5a

Is there anybody able to debud this board? Can it be faulty MN3007 chip?
Thank you soooo much in advance :)
Title: Re: Madbean's Current Lover - works but not quite as wished..
Post by: Scruffie on March 10, 2017, 11:15:04 AM
Voltages look okay and if you're getting any sort of flanging the BBDs are fine.

I'd look for a wrong value, if something was mislabelled or mixed up in your parts bin that'd explain why it affected 3 builds.
Title: Re: Madbean's Current Lover - works but not quite as wished..
Post by: Longer713 on March 10, 2017, 12:14:48 PM
Speaking about wrong value I had a problem with R32. I couldn't find 62k resistor so I can choose between 56k or 68k. Does this resistor have a big impact on overall circuit? I can see that it's close to Vc which goes to Clock trimmer and later MN3007..

All other parts are according to spec, I've checked them few times each one of them.