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ADDAC703 Assembly Guide November.2019 ADDAC SYSTEM page 2...
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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. Then solder the other pad. ADDAC SYSTEM page 3...
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ADDAC703 Assembly Guide STEP 2: Next place the transistors and power regulator like shown below. 2N3392 2N3392 L79L05 2N3702 2N3702 ADDAC SYSTEM page 4...
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ADDAC703 Assembly Guide STEP 3: Next place the boxed power header. Notice the orientation marked on the pcb. ADDAC SYSTEM page 5...
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ADDAC703 Assembly Guide STEP 4: Next we’ll need to prepare some parts before adding them to the front panel. Locate the jacks and cut the smallest legs like shown below. ADDAC SYSTEM page 6...
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Place all parts on the pcb, notice the values, orientation and jack types like shown below. 50k = 503 50k = 503 50k = 503 50k = 503 1k = 102 50k = 503 100k = 104 Non-threaded Jacks Threaded Jacks Non-threaded Threaded Jacks Jacks ADDAC SYSTEM page 7...
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ADDAC703 Assembly Guide STEP 6: Place the frontpanel and tighten all nuts. ADDAC SYSTEM page 8...
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ADDAC703 Assembly Guide STEP 7: Adjust the height of the pcb keeping it parallel to the front panel. ADDAC SYSTEM page 9...
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ADDAC703 Assembly Guide STEP 8: Solder all parts. ADDAC SYSTEM page 10...
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ADDAC703 Assembly Guide Finish it by placing the knobs and you’ve finished the assembly process! ADDAC SYSTEM page 11...
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