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U1-13 (can get at from top when assembled Stop Switch - 10 ohms between U1-14 and U2-1 when off, more like 1M when off - Glide attenuator (B10k) (join two left pins from below - Clock rate goes down when resistance goes up, opposite to expectation. Schematic fixes: - C1 is too small for film; is film needed? - Smaller cap (476nF?) for C1 - Ceramic 104s for C10, C14, might be fine, might introduce intermittents From c96644890cf0985bb0d02bb542ef75a0a00d53f2 Mon Sep 17 00:00:00.

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