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ADDAC215 Assembly Guide March.2020 ADDAC SYSTEM page 2...
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ADDAC215 Assembly Guide SLEW TIME OPTIONS The Slew time can be adjusted to user preference. We provide 2 options, Short and Long range: . Short for 1v/oct signals (like a short portamento) . Long for smoothing cv voltages Each channel can be set diferently.
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ADDAC215 Assembly Guide STEP 1: Start by locating all 6 capacitors, notice the different values and orientation marked on the pcb. Tip: soldering these caps is easy, just place a dab of solder on the pad on your right (left pad if you’re left handed) and then, with the help of a tweezer, put the capacitor in place and reflow the previously tinned pad to reflow the solder while pushing the capacitor down.
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ADDAC215 Assembly Guide STEP 3: Next proceed to locate the male and female pinheaders and solder them like shown below. ADDAC SYSTEM page 4...
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ADDAC215 Assembly Guide STEP 4: Next carefully break the 2 pcbs apart, locate and solder the trimmer like shown below. STEP 5: Next locate and solder the 2x5 boxed pinheader like shown below. ADDAC SYSTEM page 5...
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ADDAC215 Assembly Guide STEP 6: Next attach the spacer like shown below and proceed to place all front panel parts. ADDAC SYSTEM page 6...
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ADDAC215 Assembly Guide STEP 7: After all parts are in place, fit the frontpanel in and tighten all the nuts. Proceed by soldering all pads in the back. ADDAC SYSTEM page 7...
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ADDAC215 Assembly Guide STEP 8: Solder all the front parts pads. ADDAC SYSTEM page 8...
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ADDAC215 Assembly Guide STEP 9: For the last step place the bottom screw ADDAC SYSTEM page 9...
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ADDAC215 Assembly Guide Place and tighten all remaining nuts and you’re done! Happy Patching! ADDAC SYSTEM page 10...
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ADDAC215 Assembly Guide Calibration This process will calibrate the internal noise gain. PROCESS: 1. Turn the module On and wait about 30 seconds for it to stabilize 2. Patch the “NOISE” Output to an oscilloscope 3. Adjust the trimmer until the level peaks at about ±5 volts.
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