Question about Sony Ericsson K800i Cellular Phone

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Keypad not functioning properly can this be fixed?

Keys 4, 6 and 0 not working at all. joystick will only workdown and right!

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  • thejasvikrt_ Nov 14, 2008

    how to open the panel?

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  • 111 Answers

Hi there, sounds like you have a hardware fault in the PCB which will cause intermittent button failure, the only solution i can see is getting in touch with sony ericsson Customer service and arranging a replacement or repair of the phone !

Posted on Oct 28, 2008

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Posted on Jan 02, 2017

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1 Answer

Everything works fine but won't manually turn off, but will time itself off.


There are two possible likely problems here: the joystick "key" or contact on the printed circuit board is bad/worn or the joystick is defective. The "key" is the rubber button pad that you press to turn the PWC on and off. This keypad is carbon embedded rubber that makes contact on the printed circuit board underneath. When these age or get moisture, the contact on the board oxidizes and the rubber becomes de-carbonized resulting in a poor contact when the key is depressed. Cleaning the contact with rubbing alcohol and a light scraping tool works sometimes. Replacing the keypad is a must.
If these don't work then you have a bad circuit board in the joystick. Either replace the joystick or the PCB within it. PCB replacement must be done by a properly trained electronic tech or Curtiss\PG Drives who makes the joystick.

Mar 16, 2014 | Pride Jazzy 614 Hd JAZZY 614HD

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Buttons won't work. Just returned from a 6 day golf trip where the SkyCaddie SG4 worked perfectly for the first 5 days. I recharged it in a wll outlet overnight, then on the next day the buttons...


Power On/Off and Key Lock/Unlock - Press the Power button located at the top right
of the Sky Caddie to power on/off or to lock/unlock the keypad. Upon pressing
the Power button you are prompted to choose either "Off" (Left Soft Key) to power
off the device or "Lock" (Right Soft Key) to lock the keypad. To unlock the keypad,
select 'Unlock" by pressing the Right Soft Key, then choose "Yes".

Jul 02, 2011 | SkyCaddie SG 4 Handheld GPS Receiver

1 Answer

Key


Nokia 6600 keypad/key problem! I hope I've put this in the right section, as I'm not sure if this is a hardware of software problem I've posted it here, hope I'm right! icon_razz.gif

I bought a Nokia 6600 recently with a joystick that didn't go down. I replaced the keypad pcb, as there was a small tear in the ribbon at the bottom of the old keypad PCB. This fixed the joystick problem, but I now realise there is another problem with the phone!

The numbers 7,8, and 9 all display 1,2, and 3 when you press them. The '0' key seems to clear whatever's on the screen, so I suspect it's acting like the red end call key. It does this with both keypad PCBs installed, so I think it's another problem. Would this be the small gold contacts on the bottom of the phone, a software problem, or some other gremlin in the works?

I've had a quick search and someone suggested *#7370# to reset the phone, and someone else said it could be a keypad IC that's gone - any other suggestions? I'm at work tonight so can't get to the phone until tomorrow morning, and as the '0' key isn't working properly I can't check which software version the phone is running icon_frown.gif

May 25, 2011 | Nokia 6600

1 Answer

My joystick is not working Can i choose radio button like O manage call O divert call from the list using pad


Yes u can go radio selection nd Divert calls using keypad witout joystick. First select any number on ur keypad, nd select more on right key, next use no2 on ur keypad nd select # key. here it wil display ur settings.. then select key no4. get list of settings.. then select no1 for call divert . again select no1 for divert always.. This s for divert calls. For rado select any number on r keypad, nd select more on right key, next use no2 on ur keypad nd select no9 for radio.

Dec 07, 2010 | Sony Ericsson W200i Cellular Phone

1 Answer

Joystick not working sew200i


May be a dust or carbon problem. remove your body cover and clean your keypad through a neat and clean cloth. I hope it will be work properly.

Sep 23, 2009 | Sony Ericsson W200i Cellular Phone

1 Answer

MASTER RESET CODES FOR SONY ERICSSON


Here are the Master Reset codes for your phone.

Master Reset / Codes
Accessing the Service Menu - Move joystick right, press * key, move joystick left twice, press * key, move joystick left, press * key.
Checking Firmware Version - Move joystick right, press * key, move joystick left twice, press * key, move joystick left, press * key, press 1 key twice.
Show IMEI # - press * key, press # key, press 0 key, press 6 key, press # key
Manual brightness adjustment - While in camera mode, press and hold * key and move joystick to lower brightness, press and hold 0 key and move joystick to increase brightness
Quick ScreenSaver - Pressing # and * at the same time
Show screensaver and lock keypad - press * and lock keys
*#0000# - Reset language back to english
Hard Reset -Hold power for 10 seconds

May 28, 2009 | Samsung SGH-D500 Cellular Phone

1 Answer

Keypad not woking


u better remove ur panel & beside the keypad u ll get 1 white col key pad type plastic paper... u hav to replace tht.....

Mar 23, 2009 | Sony Ericsson K550i Cellular Phone

5 Answers

Keyboard letters 'm,j,k,l,u,i,o' permanantly locked for numerals. i have no idea how i switched this function on.


NumLock is on. Look for the Fn key in the lower left corner, and lookint in the top right, the NumLock key.

Mar 22, 2009 | HP 2133 Notebook PC

6 Answers

Keypad not working


hi! this is jc villarosa, i have problem with my keypad..i can't find key foil for my keypad..do u have idea where do i find key foil to buy?

Aug 23, 2008 | Cell Phones

1 Answer

Mal function of keys 369# vertical right side keys..


This is realy very bad but only remedy to change the belt and joystick assembly. It is not virus or any other thing. This is hardware problem that u r facing frequently. Do vote if it sounds u satisfactory.

Jan 06, 2008 | Nokia 6600

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