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</o:shapelayout></xml><![endif]--></head><body lang=FR-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi David,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I like your design idea here.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>But here are some reasons I prefer to do hand wiring :<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-These types of Alpha pots (PCB or lugs pins types) have ‘riveted’ pins<br>that easily get loose when any stress is applied from mounting them to front panel.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The front panel holes and the actual pots need to be VERY alligned together to avoid that..<br>This includes vertical mounted switches that have there PCB pads very fragiles to break.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In 40 years of tech repairing, many times I went through loosened pins connection<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>of Alpha pots in PCB mounted pots amplifiers and keyboards.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-If someone needs to replace only one part he will have to unscrew all the PCB<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>To get to the offending part and replace it.. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-This PCB design is much better for many units to be built.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I only make ‘some’ modules of each type on my modular.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>And hand wiring is one of the reason people prefer to buy<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>vintage stuff for longevity.. Moog’s modules are one example.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think this is a question of builder’s taste..<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thank You for your nice reply !<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>JP<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David G Dixon [mailto:dixon@mail.ubc.ca] <br><b>Envoyé :</b> 8 novembre 2020 22:01<br><b>À :</b> 'Jean-Pierre Desrochers'<br><b>Cc :</b> synth-diy@synth-diy.org<br><b>Objet :</b> RE: [sdiy] My new Moog 960 sequencer clone module project.. slowly but surely ..<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>In the picture called "4.jpg" I see a whole lot of pots and switches and jacks with conventional solder tabs, implying that there will be a whole lot of wires attached to all of those components. This Herculean effort could largely be avoided by using PCB-mount pots, switches and jacks. </span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>Here's an example from a recent project of mine: a 5U Quad Function Generator (the functional equivalent of the Intellijel Quadra and Expander, or a Buchla 281):</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><img width=646 height=565 id="_x0000_i1025" src="cid:image001.jpg@01D6B67F.36A8EAF0"><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>The two square holes are to accommodate jacks -- I wouldn't normally put jacks there, but I had little choice. There are 20 other jacks on their own PCB which are not shown, and these connect to this board via the pin headers along the bottom. Otherwise this board plugs into another board which connects to all the circuitry. The two ICs on this board are analog switches which are controlled by two of the physical switches, and it was convenient to put them on this board.</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>After trying this type of construction, I will never go back to hand wiring except for the simplest of modules. Even for simple modules, it is very easy to make a panel PCB.</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jean-Pierre Desrochers [mailto:jpdesroc@oricom.ca] <br><b>Sent:</b> Sunday, November 08, 2020 5:03 PM<br><b>To:</b> 'David G Dixon'<br><b>Subject:</b> RE: [sdiy] My new Moog 960 sequencer clone module project.. slowly but surely ..</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:9.0pt;color:black;background:#FFECB3'>[<strong>CAUTION:</strong> Non-UBC Email]</span> <o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks David.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m not sure to understand what you meant..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You talk about all the external wirings that will be involved to get it working ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David G Dixon [mailto:dixon@mail.ubc.ca] <br><b>Envoyé :</b> 8 novembre 2020 19:54<br><b>À :</b> 'Jean-Pierre Desrochers'; synth-diy@synth-diy.org<br><b>Objet :</b> RE: [sdiy] My new Moog 960 sequencer clone module project.. slowly but surely ..<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>Beautiful job! However, that panel is literally crying out for a panel PCB to eliminate what will surely be a tangled nightmare of wires.</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US><hr size=2 width="100%" align=center></span></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Synth-diy [mailto:synth-diy-bounces@synth-diy.org] <b>On Behalf Of </b>Jean-Pierre Desrochers<br><b>Sent:</b> Sunday, November 08, 2020 3:30 PM<br><b>To:</b> synth-diy@synth-diy.org<br><b>Subject:</b> [sdiy] My new Moog 960 sequencer clone module project.. slowly but surely ..</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:9.0pt;color:black;background:#FFECB3'>[<strong>CAUTION:</strong> Non-UBC Email]</span> <o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>Hi all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>Just to show you where I’m going so far in my Moog 960 sequencer clone project..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>I’m happy with the actual (not finished yet) results..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.arcenson.com/public/Moog_960_clone/">Here</a> is the link to some pictures:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>The first 2 pictures show the front panel made out from<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>a thin 5 mils PCB with no copper. Spray glued to the metal plate then all punched.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>The last picture shows an empty IC socket.. That’s the PIC micro who will actually<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>do all the original Flip-Flop circuitry jobs..<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>I’m building two of these !<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>I LOVE IT !!!!!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-family:"Calibri","sans-serif";color:#1F497D'>JP<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div></body></html>