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Mounting screws (https://www.vishay.com/docs/95423/sot227g2.pdf, https://www.vishay.com/docs/95793/vs-fc420sa10.pdf TR TO-3 TO3 TO-204 TO-3P-3, Horizontal, RM 1.7mm, Pentawatt, Multiwatt-5, staggered type-2, see http://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/ltc-legacy-to-220/to-220_5_05-08-1421.pdf?domain=www.linear.com, https://www.diodes.com/assets/Package-Files/TO220-5.pdf TO-220-5 Horizontal RM 0.97mm Multiwatt-9 staggered type-1 TO-220F-2, Horizontal, RM 10.9mm, see https://www.fairchildsemi.com/package-drawings/TO/TO264A03.pdf TO-264-2 Horizontal RM 1.7mm Pentawatt Multiwatt-5 staggered type-2 TO-220F-15, Vertical, RM 1.27mm, Multiwatt-7, staggered type-2 TO-220-4 Vertical RM 1.27mm Multiwatt-7 staggered type-2 TO-220-9 Horizontal RM 5.45mm TO-46-2, Pin2 at center of hole, with a precision give to the front Don't put R8 so close to R26 D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 Clock Rate - variable resist +6k between U2-8 and U2-9 - Reset Socket to U3-3 = capacitor measurement roughly 15nF (has a resistor footprint between +12V and Reset In Pause CV In - U1-13 (can get at from top when assembled - Stop.

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