Question about Nokia 6790 Surge Cell Phone

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The pin inside the phone that the charger connects to broke off; can I fix that?

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You will have to change the charging dock which will cost you 30-50 depending where and who does it

Posted on May 28, 2011

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Can not charge


To locate the problem, it's important you own a multimeter, which can read DC Voltage and resistance.

If you do own one, then you can perform the following :

1. Battery
Set your multimeter in Voltage (DC)-mode.
Remove the battery from your phone and see what Voltage it's rated. (might be something like 3.7V, 4.2V or even higher.

The phone contains a minimum of 2 (small) pins, which is touching the battery, when it was inserted. The battery will have 2 or move gold-alike pads.Try to measure the battery at these pads to see the Voltage. If there are more pins, don't worry, just try to measure between all pins.
If the readout at your multimeter is roughly 0.5 Volts below the rated Voltage, the battery should be replaced.


Example :
Battery rated 3.7 V. Readout multimeter : 3.2 V
Battery should be replaced.

2. Adapter / charger
Insert the adapter in a wall-outlet (110 / 240 V AC)
The adapter, contains a plug, which inserts into your mobile phone. At this plug, you need the Voltage. The readout at your multimeter should be a higher than the Voltage-rating at he battery. If not, your adapter / charger is damaged.

3. Onboard connection
Set your multimeter in Resistance-mode, sometimes also shown as the Ohm-sign.
When charging your phone, your adapter is connected to your phone, redirected to the battery. Now it's time to check if there's a good connection between the phone-inlet and the battery-pins inside your phone. The inlet has in the center a metal pin. Try to connect your multimeter to this pin, and one of the battery-pins inside your phone. If there's no connection, to any of these pins, you'll get no readout. This might mean, the phone-inletconnector is not well connected to the board(*) of your phone.
(*) The green print, with all tiny electronic components.

The source of this damage might be :

A) While charging, the phone dropped on the floor.

B) Non-official adapter / charger
Maybe a higher rated current than allowed. A battery may be charged 1 / 10th of the specificated current. So, if the battery shows 1600 mAh, the batttery can be safely charged at a current of 160 mAh. If you use a 2A (= 2000 mA) charger, you can charge the battery, but results in a shorter lifetime of the battery.
Sometimes, even polarity might be an issue (reversed) or the non-official charger is supplying AC-Voltage instead of DC-Voltage.

C) Damaged onboard controller
Some phones contain a kind of controller-IC to control the charging proces. If the charger was supplying a too high Voltage or current (Ampere), it might end up in a fried controller-IC.
I such case you might have heard a "plop" when inserting this charger into your phone, or noticed smoke or a distinctive smell (of burned components)

Any repair for type A, B or C-damage, requires special skills and tools. If you lack any of these 2, go for a repair-shop or buy a new mobile phone.

Oct 13, 2013 | LG Cell Phones

2 Answers

I have a samsung rant and the charger port that is connected to the charger wont charger. How do i fix it?


there are 2 possible reasons for the problem u mentioned..
  • either ur phone charger port or its internal connection is defected
  • or ur charger circuit or wire orits pin is the problem
you can find it by connecting ur phone with system using usb data cable..if it charges then ur charger kit is to replaced..else u must service ur phone

May 24, 2010 | Samsung Rant Cell Phone

1 Answer

Charging problem


it will not be a software problem...charger pin may be having loose connections inside the phone!

May 09, 2010 | Motorola Mobility RAZR2 V8 Cellular Phone

2 Answers

Pin inside ac charger broke off inside my dc power jack


i highly recommend u find a way to remove the pin as u would struggle to find a dc power jack for the hp mini 2140 motherboard ,if u manage to get the pin out ac power chargers are quite resonable on some internet auction sites

Mar 11, 2010 | HP Mini 2140 Notebook

1 Answer

CHARGING PORT


Have you checked the pins inside your charger port? Are they not in the middle? If yes, you might want to try to fix it first yourself by using a knife or something skinny that would fit into the port. The pins inside your charger port must have been shifted (pushed up or down). The plug, once inserted does not go all the way through or is not fully inserted within the port. Use a butter knife (this is what I used) or something flat and skinny that would fit into the port. Then, push it down or up to the middle. Try connecting the plug and check if it's now charging.

Jun 23, 2009 | LG enV VX9900 Cellular Phone

3 Answers

The inside part of my phone's charging area broke. so how can i charge it


there are duplicate chargers available from china where the battery is charged externally, by taking the battery out and placing it on the charger. they are aso very cheap. but i am not sure about the availability since i dont know your country or the district. but i you are not interested in charging the battery each time externally, then its better to take the phone to a service center and get it repaired. but it may prove expensive.

Jun 10, 2009 | LG VX8300 Cellular Phone

4 Answers

Env help plz


The reason the phone won't charge is because the internal power port pins are broken off of their solder joints to the main board inside the phone. Wiggling it helps at first because the pins can still touch their connection points but after a short time that will cease to help. Google "cell phone repair". It usually cost around $50 to get it fixed with a new power port installed. Turn-around is usually 2-3 days.

Mar 05, 2008 | LG enV VX9900 Cellular Phone

1 Answer

My cellphone


The 20 Pin USB, charger....sometimes gets a little messed up (I sell ATT) the pins inside are not connecting to the proper port. I would suggest trying to get a new charger....try a car charger first....then if that does it, get an iGO from radio shack or sams clubs. (1 tiny pin can disable it from charging)

Jan 07, 2008 | Samsung SYNC SGH-A707 Cellular Phone

2 Answers

Broken charger


sorry to hear that, you have to take the phone to a professional mobile tech and have to remove it for you.

Dec 14, 2007 | Samsung SCH-a870 Cellular Phone

3 Answers

T-mobile phone Not Charging


to where are you connecting the charger?
how old is the charger? maybe the cable its broken in the inside... this usually happens at the ends of the cables or if there is a little bump somewhere..
try connecting them and play with them by moving them a little at the ends.... so there will be better a contact..

Dec 11, 2007 | T-Mobile Sidekick® 3 Cellular Phone

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