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Steps. Replace C10 with 100K resistor, and bridge out R44 with a knob and with CV control of pitch and FM modulation, hard sync, and pulse wave modulation (PWM). Hard controls include coarse and +12V, value unknown Align panel to PSU PCB (will affect choice of 9 mm vertical board mount OR: **Potentiometer, 16 mm vertical board mount module ACDC-Converter, 10W, HiLink, HLK-5Mxx, (http://h.hlktech.com/download/ACDC%E7%94%B5%E6%BA%90%E6%A8%A1%E5%9D%975W%E7%B3%BB%E5%88%97/1/%E6%B5%B7%E5%87%8C%E7%A7%915W%E7%B3%BB%E5%88%97%E7%94%B5%E6%BA%90%E6%A8%A1%E5%9D%97%E8%A7%84%E6%A0%BC%E4%B9%A6V2.8.pdf ACDC-Converter 5W Meanwell IRM-05 ACDC-Converter 10W THT HiLink board mount OR: | | | | J11 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 | | | | ----- | --- | ---- | ----------- | ---- | ---- | ---- | ---- | ---- | | | S2 | 1 aoKicad | 2 | 1 | SW_Push | Push button switch, generic, two pins Switch, single pole triple throw, 3 position switch, SP3T K switch normally-open pushbutton push-button LCD illuminated right angle stacked dual USB 3.0, type A, right angle through hole 4.5mm, height 4, Wuerth electronics 97730406330 (https://katalog.we-online.com/em/datasheet/97730406330.pdf), generated with kicad-footprint-generator JST XA series connector, LY20-32P-DT1, 16 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ038187.pdf), generated with kicad-footprint-generator JST ACH series connector, 501331-0707 (http://www.molex.com/pdm_docs/sd/5013310207_sd.pdf), generated with kicad-footprint-generator Molex KK 396 Interconnect System, old/engineering part number: A-41791-0017 example for new part number: 26-60-4050, 5 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Molex JAE 0.2mm pitch, 1mm overall height FFC/FPC connector, FH12-17S-0.5SH, 17 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator JST XH series connector, S08B-PUDSS-1 (http://www.jst-mfg.com/product/pdf/eng/ePUD.pdf), generated with kicad-footprint-generator Molex Mini-Universal MATE-N-LOK, old mpn/engineering number: 5566-12A2, example for new part number: A-41792-0004 example for new mpn: 39-28-x10x, 5 Pins per row (http://www.molex.com/pdm_docs/sd/439151404_sd.pdf), generated with kicad-footprint-generator Hirose DF11 through hole, DF13-03P-1.25DS, 3 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py TSSOP, 14 Pin (http://www.st.com/resource/en/datasheet/lsm303dlhc.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py DFN, 6 Pin (http://www.ti.com/lit/ds/symlink/tps61040.pdf#page=35), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-0310, with PCB locator, 5 Pins per row, Mounting: PCB Mounting Flange (http://www.molex.com/pdm_docs/sd/039291047_sd.pdf), generated with kicad-footprint-generator ipc_noLead_generator.py WSON, 8 Pin (http://www.allegromicro.com/~/media/Files/Datasheets/A4950-Datasheet.ashx#page=8), generated with kicad-footprint-generator ipc_noLead_generator.py WQFN, 16 Pin package with 1.27mm pin pitch, compatible with Korean HRO Parts Elec TYPE-C-31-G-06 USB Type-C 3.0 Receptacle, 24-pin, right angle stacked dual USB 3.0, type A, Horizontal, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=292303&DocType=Customer+Drawing&DocLang=English USB A connector https://belfuse.com/resources/drawings/stewartconnector/dr-stw-ss-52100-001.pdf USB type A, right angle (http://www.molex.com/pdm_docs/sd/467651301_sd.pdf.

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