Question about Nokia N70 Cellular Phone

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6220 keys 2,5,8,0 not function

I have nokia 6220 keys 2,5,8,0 are not funtioning,but its keypad board is ok and i already replace a new connector.is thier any jumper solution?

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No u have to change the glass ic

Posted on Nov 16, 2007

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1 Answer

I have a nokia 6220 classic smartphone, the problem i have is that when i switch it on the screen soon fades off again i did have a new screen fitted recently but i doubt this is causung the phone to...


hi,

i have a question. when the display fades off, does the unit still functions? i mean do you still able to make a call or receive text messages or the keypad lights still illuminates even the display fades off?

If the answer is yes, then the new lcd that you have just replaced recently is defective. have it replaced again but now to a different source. maybe the lcd that you replaced is not a good quality.

if the answers is no. have your unit reprogram, it has a corrupted software.

Hope I helped you in your problem...
Don't forget to rate me OK! thanks...

regards,

John

Jan 05, 2011 | Nokia 6220 classic Smartphone

1 Answer

Numeric pad on control panel: Problem: only numbers 0,1 and 2 respond to pressure. All other functions seem to be working properly. I have tried disconnecting the appliance.


Most likely there is a problem with the keypad connector at the controller board. Usually these have a sliding collar that locks the keypad's flat flexible circuit material cable in place. Pull it up about 1 - 2 millimeters on both ends until it hits the stops (it doesn't take a lot of force, and it may even be loose already given what you describe). The cable should then pull out easily. Polish the contact stripes on the cable end with a white pencil eraser (the kind found on mechanical pencils), then wipe clean with a piece of tissue paper or clean dry cloth. Insert the cable back in the connector, and push the collar down so it is locked at both ends.

This is the most probable fix. It is possible that the connector is the problem; electrical contact cleaner may help. Other possible causes are a broken key-scan line* in the keypad, micro-controller chip failure, or a bad connection on the circuit board in the affected scan line.

*The keypad is wired schematically (if not physically) in rows and columns. The micro-controller activates a line in one direction, then scans all of the lines in the other direction to see which key if any has been pressed. 0,1 and 2 are on one of these lines, probably with several non-numeric keys; the remaining numbers are on another line (or two).

Dec 22, 2010 | Panasonic NN-H765 Microwave Oven

3 Answers

How do I change the keypad on the Nokia 6220 classic ? Thanks


remove the back cover .. then remove the front cover. it will bw really tight check for the points from where it is inserted into the body.. whn u get the front coer out. take out the key pad and replace it

Aug 14, 2009 | Cell Phones

2 Answers

My nokia 6233 keypad is malfunctioned.. the numbers"369,end call and #" are not functioning.. but the other numbers are just ok..what will i do?


Buy a new phone if you realy want to fix that on you will need a new keypad it cost alot to fix maybe more then the phone itself but if you really like it you should fix it.To me its not worth fixing

Aug 01, 2009 | Nokia Cell Phones

1 Answer

My oven won't start. no display, only beeps on certain functions


Hi, the actual circuit that is open is the cancel key connection. Here is a check list that will help. I would consider replacing the ERC if the control is integrated.

1. Check keypad connector for firm connection (keypad connects to control board).
2. Press CANCEL. If error code returns after 60 seconds, replace keypad (also called touch pad or membrane switch). Some models incorporate keypad in to control board as one unit. In this case, replace control board (also called ERC or clock).

Please rate and god bless:)

Apr 13, 2009 | Ovens

1 Answer

Automatic key lock


Go to menu
then settings
then phone settings
then general
then security
then phone and sim card
then look for the 'Keypad autolock period' tab...

Hope this will solve your problem !

^_^

Nov 28, 2008 | Nokia 6220 classic Smartphone

1 Answer

N-gage qd not woking


hiya

this problem happening when thwo thngs happend!

1/ keypad circuit goes bad.

or

2/ the keypad connector is faulty


first try to force pushing ur qd while u r trying some keys - push where the logo drawn that where is the connector.

if that work replace it the connector.

Oct 18, 2008 | Nokia N-Gage QD Console

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