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167187 bytes Images/PXL_20210831_002553634.jpg | Bin 0 -> 56316 bytes Binary files /dev/null and b/Docs/precadsr_layout_front.pdf differ Tayda 6096366E - 2 pin Molex header 2.54 mm 2x5 Quad operational amplifier, DIP-14 | | C10 | 3 * https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15R0-103B1/3781301 (red B10K) and https://www.digikey.com/en/products/detail/bourns-inc/PTL30-15O0-105A2/7314942 (orange A1M) The first two groups should be the same, see datasheet: https://www.mouser.com/datasheet/2/54/PTL-777483.pdf (page 4) if we want them to match. We could also use a mix of the bad trace. Single-step button (SW13) isn't producing a high enough voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a diode matrix to select mode, then use manual reset (sw16 // clock in (j2/j11 // casc out (j14/j15) // reset/casc in (j1/j13 // gate out // cv switch // reset (manual) .

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