One day I'm talkin' clear as day, and the next it's dark as night. I have a Plantronics DSP-500 USB digital headset, and for the most part I've been pretty happy with it. But then the microphone started bugging out. At first, I thought it was some kind of software issue, because I could see the operating system struggling to automatically adjust the sound level. Then, at some point I noticed that when I adjusted the location of the microphone, the sound would cut in and out. That's when I realized that there was a problem with the physical connection of the internal wiring assembly. In other words, fixing this wasn't going to be fun. You'll see. I took a few pictures during the discovery and repair process.
Not fun... but on the bright side, I got it done.
It turned out that the wiring for the microphone had been severed. The folding mechanism that lets you tuck away the microphone into the headset had caught the wire, and eventually cut through most of it. And the wire is not easy to repair. In construction, the wire is very similar to the ones used on the AC adapters for Apple Powerbook G4's that supply Direct Current. Strands of insulated wire are underneath more insulated strands of wire. One set of wires is (+) while the other is (-). It's kind of like the Russian doll of wiring designs. I repaired the wire in my headset, but I'm sure there is a more efficient way of doing it than the method I used. Then again, I don't have the proper tools for this kind of work.
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