I thought the charging cord may have gone bad so I got a new one but that didn't work. I have a background in small electronics. So took the back panel off and I could not see any obvious problems. there are no burn or scorch marks and there are no loose solder joints.
SOURCE: Infrared sensor not working
try changing your remote's battery and look for loose connections inside the remote control
SOURCE: Audiovox SMT 5600 will not charge
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.
SOURCE: Dell Inspiron 1200 Charging Problem
Was the battery a Dell replacement? or was it a Chinese replacement battery?
Your charging circuit may have been damaged.
SOURCE: battery will not charge on a dell d610 when plugged into outlet
I have seen this with faulty batteries.
Try changing the battery.
Also, check in the BIOS that the adapter you are using is recognised and shows a state of charging with the battery in.
SOURCE: Plantronics Bluetooth Headset P590
This is a "known issue" that I have raised to Plantronics. Whether they do anything about it, remains to be seen. The workaround I have discovered seems to work with both of my P590 headphones that stopped charging:
1. Plug in the USB charging cable to a laptop or computer that is powered on.
2. Connect the USB charging cable to the headphones
3. Connect the 3.5mm headphone cord cable to the headphone output on the laptop of computer (this is the long cable with the normal 3.5mm stereo plug at each end)
4. Plug the other end of the 3.5mm cable into the P590 input.
The headphones should start charging.
Carlos (New Zealand)
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