Question about Sony Ericsson W850i Cellular Phone

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Display dim My W850i's display is very dim after it got soak in water. I've change the LCD module but same problem still occur. Pls advise.

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  • slow_racer Apr 18, 2008

    yea i got the same problem.  my backlight doesnt even go on, on the lcd or the keypad. but when playing songs the orange light works... strange.. 

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It was the display ic., and combiner to produce lights it got grounded ..gotta go to center and fix the light combiner or capacitor..or the display ic... but if it is backlight problem of the lcd.. go to the light combiner capacitor and not to the ic..

Posted on Apr 17, 2008

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The display is dim and hard to see.


First, make sure that your brightness is turned up. You can access this from the menu by selecting "Display" then adjusting the display between 50% & 100%.

If the brightness is at 100% and the display is still dim, this is an indication that there is a problem with the backlight that lights up the LCD display from behind.

The backlight is integrated into the LCD display, so the entire display needs to be replaced. Was the unit dropped? If so, perhaps the LCD flex cable pulled out of the connector, slightly from one side, disconnecting the backlight. We strongly suggest that you don't try to repair the unit yourself. Additional damage can occur.

More information on LCD repair can be found here:


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It sounds like the phone's screen capillaries soaked up the water, and unfortunately there really isn't much you can do aside from replacing the LCD.


Replacements range from $20 - $30 on amazon and ebay. If you've ever worked on an iPod and were successful, this should be a cake walk to do.


People have tried using alcohols or ammonia in these cases, but those are risky solutions and are likely to further damage the LCD. I would advise against using any chemical fixes.


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Sounds like your inverter or your backlight is failing. The inverter is an easy repair, the backlight can be replaced but it involves taking the LCD panel apart, The backlight comes installed on new screens. I can include a service manual below and possibly a generic guide to backlight replacement....

http://support.dell.com/support/edocs/systems/latd505/sm/display.htm#1052500

http://www.laptoprepair101.com/laptop/2007/01/31/replace-screen-inverter-fix-backlight/

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1 Answer

W850i sony ericsson


it may be pro in display..so better change ur display else reinstall ur mob software else change display ic alone

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1 Answer

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take the phone to a service center and have it reflash......and service

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