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Audio Jack, 2 Poles (Mono / TS) | | R4, R6, R7 | 2 Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be fine, might introduce intermittents - 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 Sw - when pressed, short +12V and Reset In - ~27K to U3-8? No, transistors maybe activate? - 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 Sw - when pressed, short +12V and Reset In socket Reset Socket to U3-3.

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