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#1
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Wireless headphones: VERY odd behaviour from the transmitter, perhaps solvable
Hi, (If there is a better group to post this to, please let me know.) I bought an Addicon 19900 wireless headphone set on eBay. It works fine for about 2 minutes and then the transmitter shuts off (LED turns off and the headphones stop picking up a signal). Very strange. There are 3 channels to choose from, i.e. 3 carrier frequencies the transmitter can broadcast on. To restart the transmitter after it shuts itself off, all I need to do is change the channel. Then the LED comes back on! (For another 2 minutes or so, when the cycle repeats.) I'm wondering if anyone has seen this behaviour before. It happens no matter which DC adaptor or audio input I connect to the faulty transmitter. The headset works fine and I replaced the batteries just to be sure. Thanks, Mark |
#2
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Wireless headphones: VERY odd behaviour from the transmitter, perhaps solvable
I bought an Addicon 19900 wireless headphone set on eBay.
Uh oh. Now you know why you got such a deal... It works fine for about 2 minutes and then the transmitter shuts off (LED turns off and the headphones stop picking up a signal). Very strange. Not really, from a basic electronics standpoint it sounds like something's charging up a capacitor or other circuit and then it dies. Possibly overheats or even as simple as just a loose solder joint. Crack the box and eye up the components for heat damage and/or bad solder connections. |
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