<div dir="ltr"><div></div><div><br></div><div>This is the schematic I have.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 9 May 2024 at 16:55, Lanterman, Aaron D via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



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For some reason I’ve become oddly obsessed with the comparatively primitive Casio VL-1. It’s WEIRD:
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<div><a href="https://youtu.be/KiMjPOsaf5Q" target="_blank">https://youtu.be/KiMjPOsaf5Q</a><br>
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<div>I’ve been puzzling over the simplified circuit in the service manual. </div>
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<div><a href="http://www.warningwillrobinson.com.au/manuals/Casio%20VL1%20service%20manual.pdf" target="_blank">http://www.warningwillrobinson.com.au/manuals/Casio%20VL1%20service%20manual.pdf</a></div>
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<div>Am I overlooking something or is the “envelope detector” in the upper right corner messed up?</div>
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<div>Aaron Lanterman, Prof. of ECE, Georgia Tech<br>
My blog on Education and Innovation: <a href="https://edupocalypsenow.wordpress.com" target="_blank">https://edupocalypsenow.wordpress.com</a><br>
My blog on Electronics and Programming: <a href="https://lantertronics.blogspot.com" target="_blank">https://lantertronics.blogspot.com</a><br>
My YouTube channel on Electronics and Programming: <a href="https://www.youtube.com/c/lantertronics" target="_blank">https://www.youtube.com/c/lantertronics</a></div>
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