Question about Audiovox SMT5600

Audiovox SMT 5600 will not charge

Is there a way to open the phone and check the solder joints. My phone stopped charging and if I press the connected really hard and hold it, it charges. There is probably a loose solder joint? Thanks

JoBott May 25, 2008

Since I came back from a long trip where my phone was packed in my carry on bag but not used duirn the trip, it has stopped charging. At first when I plugged in the mini USB charger it would recognize the connection and start the charge, but then it would mysteriously stop charging midway through. I tried my secondary reliable charging method by connecting to my laptop through the mini USB cable, and it too won't work anymore. The PC doesn't even see the phone now. If I were to hold the car charger or wall charger AC adapter into the plug I can get the phone to recognize the charger and start charging for 15 seconds. Any slight movement on my part and it will loose the connection.

I believe that something in the wiring/soldering is to blame and I would be very interested in finding the solution.

I love my phone and I haven't seen any new models out that I would rather have.

1 Answer

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172 Answers

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.

Posted on Jun 08, 2008

Anonymous Jan 31, 2009

Note also, you must have a working Active Sync for Windows XP PC, or Mobile Device Center, for Window Vista PC, installed for this phone to charge from the USB port.

All HTC phones, which the Audiovox 5600 is(HTC Typhoon), need a working computer with Active Sync or Mobile Device Center software in order to allow charging via USB. It is both a hardware and SOFTWARE issue. Thanks alot HTC, you bums!

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