Question about Sony Ericsson K850i Mobile Phone

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THE SCREEN OF MY SONY ERICSON K850I HAS GONE BLANK. THIS IS 4TH OR 5TH TIME THIS HAS HAPPENED BUT WARANTEE HAS NOW RUN OUT AND I AM WONDERING IS IT WORTH GETTING FIXED

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I had a problem like that. May be you can get some idea about your problem.

See the picture.

THE SCREEN OF MY SONY ERICSON K850I HAS GONE - e5e2013.jpg
( Sorry about my English )


>>>>>>>
By
Asitha

Posted on Sep 02, 2010

  • Pablo Garcia Nov 29, 2010

    Is it possible for you to make the pic a higher resolution? According to your diagram then, do I need to purchase any parts to fix this problem?

  • stehall Jul 18, 2011

    Although this is very small it led me to the root of the problem.

    The display would go blank upon pressing certain keys on the phone ( 1&4 worst ones)

    After taking the phone to bits it turns out that the LCD ribbon has a portion that bends over itself right under the area causing the problem. The phone is poorly designed in this respect as the folded ribbon is wedged right between the edge of a metal casing and the keypad.

    Over time the repeated strain from pressing on the keypad has damaged the ribbon at the fold causing the screen to blank.

    Solution: place a wedge next to the ribbon -between the metal housing and the keypad casing. This takes the pressure off the ribbon at the critical point protecting it when the keypad is pressed. (I used a small piece of card from a cereal packet with thin tennis racquet overgrip stuck to it.) Works fine now.

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Posted on Jan 02, 2017

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