My Audiovox recently developed a very annoying buzz when I make a phone call. It is audible on both ends of the call. I have done a reset of the phone, but the problem still exists. I have searched for some setting on the phone to fix the problem and haven't found one. Help!!
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I have the same problem, and cant seem to fix it. I know it has to do with the audio chatching the camera making the noise. Listen, take your camera and turn the function to take a video clip, then listen to your camera. Isnt it making the same noise as you hear on the video clip?
I my understanding it is a charging coil noise when you turn on ignotion. But after noise every thing is fine no need to worry. I have a similar problem in Toyota sienna 2001. You can't remove the noise unless cahange all electrical system (Wirring) with new one. However it is expensive.
It could be the transformer, need to get it serviced. Nothing will happen but the noise will get louder and more annoying. Most of the time the transformers have a plastic plug to conceal the magnetics and the coil. The glue on the plastic loosens and can create the buzzing noise.
I have the same problem I can hear buzzing over the volume of the tv into the 30 range. I've had a tech out 3 times and he's coming out for a fourth. He's changed to power supplies and is bringing the 3rd next visit. From what I've read it has either to do with power supplies or grounding strips.
If your battery goes COMPLETELY dead, which it will do if phone is not turned OFF and not used for a long period of time, you will need to JUMP START it using you OEM SMT-5600 AC charger. Other AC chargers will not work for this purpose and neither will a USB port.
You can JUMP START the battery using a USB port by cutting off a USB cable to expost the red and black power USB PORT power pins 1 and 4. Remove your SMT-5600 battery and while the modified USB cable is plugged into your USB PORT, hold the BLACK wire to the negative (-) terminal and the RED wire to the positive (+) terminal for about a minute. Replace the battery in the phone and connect the phone to a USB PORT using a standard USB cable. The SMT-5600 charging light may not register for a while, but will eventually light amber to show it is charging, assuming your phone is recoginzed by your computer.
Note some mini USB cables DONOT carry the USB power leads through to the phone, only data. If you have a very thin USB cable, be suspicious the power leads are not being carried in the cable.
Since the USB PORT power is limited to 100ma it cannot hurt the battery, but will insert enough current into a totally flat batter to cause the battery to register a voltage large enough to alllow USB PORT charging, typically 3.7VDC.