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Branch fewer_panel_wires Move LED resistors light tweaks From c6e6a61475df01d4832847208a59070c5a40c498 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Update README.md Update README.md 5505000471ab249f70d985a8f814bce077fb47b2 Update README.md * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md) How to use 7.5mm holes, not 6mm - alpha pots - 9.8mm, +2mm rotary - 11.5mm, +3.5mm -- biggest by far, maybe 12.6mm? SR2511 series are 11.43? Maybe more? Distance between pcb and front panel, steel retention lug, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fah2-da A Series, 5 pole female XLR receptacle, grounding: without ground/shell contact, horizontal PCB mount, color coding possible, https://www.neutrik.com/en/product/nc5fav-sw A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, full threaded nose and offset PCB pins, https://www.neutrik.com/en/product/nmj6hcd2 M Series, 6.35mm (1/4in) mono jack, switched, gold plated contacts, efficient chassis ground connection, T+R+S normalling contact, https://www.neutrik.com/en/product/nrj6hm-1 Stacking Jacks, Mono dual jack, quick fix nose, https://www.neutrik.com/en/product/nsj8hl Stacking Jacks, Stereo dual jack, quick fix nose, https://www.neutrik.com/en/product/nsj12hl Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, lateral right PCB mount, https://www.neutrik.com/en/product/nc3maav A Series, 4 pole chassis connector, grey D-size flange, countersunk thru holes, horizontal PCB, replaces NL2MD-H, https://www.neutrik.com/en/product/nl2mdxx-h-3 speakON Chassis Connectors, 4 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel: 9.8mm (alpha pots sliders: 3mm above panel, ample thunkicons: probably too tight; could work with printed spacers mini toggle: 2.5mm above panel, ample thunkicons: probably too tight; could work with printed spacers mini toggle: 2.5mm above panel, tight but possible mini toggle: 4mm above panel, tight but possible mini toggle: ample space above 11.75mm (existing 1p12t rotaries, use 11.25mm holes to PCB edge 4.9399999999999995mm, see https://disti-assets.s3.amazonaws.com/tonar/files/datasheets/16730.pdf 37-pin D-Sub connector horizontal angled 90deg THT female pitch 2.29x1.98mm pin-PCB-offset 8.35mm mounting-holes-distance 25mm mounting-hole-offset 25mm 9-pin D-Sub connector, straight/vertical, THT-mount, male, pitch 2.41x2.54mm, pin-PCB-offset 9.4mm, see http://docs-europe.electrocomponents.com/webdocs/1585/0900766b81585df2.pdf 44-pin D-Sub connector horizontal angled 90deg THT male pitch 2.77x2.84mm pin-PCB-offset 9.9mm mounting-holes-distance 25mm mounting-hole-offset 25mm 9-pin D-Sub connector straight vertical THT male pitch 2.77x2.84mm pin-PCB-offset 14.56mm mounting-holes-distance 25mm mounting-hole-offset 25mm 15-pin D-Sub connector straight vertical THT male pitch 2.29x2.54mm pin-PCB-offset 9.4mm 15-pin D-Sub connector, horizontal/angled.

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