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Back"All Copper Layers", re-re-remove the mysterious extra trace 5040873587dbb57684343269abab88d35cf7124b Update Schematics/schematic_bugs_v1.md 5040873587dbb57684343269abab88d35cf7124b more fixes a5c5ff12ce18fecaaf346f973863d12bf361ac82 re-re-remove the mysterious extra trace Added schmancy pcb for v2 front panel design and includes 2.5mm centerward shift for input and output jacks input_column = h_margin; bottom_row = v_margin + 12; row_1 = bottom_row + v_margin + 12; row_2 = row_1 + v_margin + 12; row_1 = v_margin+12; row_2 = working_increment*1 + row_1; row_3 = row_2 + vertical_space/7; row_7 = row_6 + vertical_space/7; row_5 = working_increment*4 + row_1; row_3 = working_increment*2 + row_1; row_3 = working_increment*2 + row_1; row_4 = row_3 + vertical_space/7; row_5 = working_increment*4 + out_row_1; out_row_3 = out_working_increment*2 + out_row_1; out_row_3 = out_working_increment*2 + out_row_1; out_row_5 = out_working_increment*4 + out_row_1; rotary_knob_row = top_row - 30; //special-case the knob (in mm). If you want to socket the timing capacitors. \*\* Use only four (4) potentiometers, either 9 mm or 16 mm vertical board mount | | R30 | 1 | B20k | Potentiometer | | J3, J4, J5 | 3 | A1M | Potentiometer | | | C10 | 1 nF | Unpolarized capacitor | | | | | | | 4 | 100nF | Unpolarized capacitor | | Taydaa | A-4755 | | | Knobs | | | R4, R6, R7, R30, R31 Switch, dual pole double throw Precision Timers, 555 compatible, PDIP-8 | | J7, J8, J9 | 1 | SW_SPDT | SPDT miniature toggle switch ON-ON SPDT miniature toggle switch ON-ON SPDT miniature toggle switch ON-ON SPDT miniature toggle switch // steps: slider, led, switch (sw1-sw10, rv1-rv10 // mounting holes to PCB edge 7.4799999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 15-pin D-Sub connector edge mount solder cup female x-pin-pitch 2.77mm mounting holes to PCB edge 15.979999999999999mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 7.699999999999999mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 62-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 63.5mm mounting-hole-offset 63.5mm 37-pin D-Sub connector, horizontal/angled (90 deg), THT-mount, male, pitch 2.77x2.84mm, pin-PCB-offset 14.56mm, distance of mounting holes 63.5mm, distance of mounting holes to PCB edge 8.2mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.77x2.54mm.
- 2.5/3-V-5.0-EX 1732506 Connector Phoenix Contact connector footprint.
- Epson Toyocom TSX-3225 series https://support.epson.biz/td/api/doc_check.php?dl=brief_fa-238v_en.pdf, hand-soldering, 3.2x2.5mm^2 package.