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If your Squareplug SP400 patch cable isn’t producing clear audio, use this guide to resolder the broken connections.
Patch cables, even well-soldered ones, are susceptible to stress-breaks at their connections. This is usually caused by repeated plugging/unplugging with regular use. A simple resolder with fresh wire ends and solder balls should bring the cable back to life.
Before using this guide, double-check that it’s your patch cable that is faulty. It’s possible the source of the signal loss is elsewhere in the signal chain.
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Verify that the cable is faulty (unresponsive yellow and green LED indicators).
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Yellow LED indicator
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Green LED indicator
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Desolder the existing solder connections.
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Wick the existing solder completely off of the plug connections.
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For more information on soldering, check out the How to Solder and Desolder Connections guide.
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Cut the ends of the cable using a pair of wire cutters to expose fresh wires.
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Strip the outer insulating jacket by ~1 cm.
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Braid the ground wires.
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Strip the inner insulator by ~2mm.
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Braid the signal wires.
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Tin the soldering iron tip, ground wire, signal wire, and plug connections.
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Solder the wires onto the plug connections:
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Signal wire to the tip connection
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Ground wire to the sleeve connection
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Verify that the cable is working (responsive yellow and green LED indicators).
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University of North Texas, Team 1-3, Raign Spring 2022 crwdns2935289:0University of North Texas, Team 1-3, Raign Spring 2022crwdne2935289:0
UNT-RAIGN-S22S1G3
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