Question about Sony KDL-46XBR4 46 in. LCD Television

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Sony kdl-46xbr4 dark screen.

I have a Sony kdl-46xbr4 that started with a few dark spots that would eventually go away. Now the screen is very dark with an occasional light spot, motion blur all the time and some white flashing horizontal lines rarely. Changing the settings has no effect and it doesn’t matter what video inputs I use. Any suggestions?

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Hi


Thanks for using FixYa. From what you have described it seems that you might have a backlight and/or an inverter board issue with this TV set. It could also be due to the inverter circuits for the backlights. The inverter is the power supply source for the backlights. There could also be a screen driver problem; if it is then you have to change the entire inverter board. All this is only recommended if you have some kind of expertise for checking the internal circuitry of the TV as these units have high voltages running even when the set is switched off. The cost to change the inverter board including labor would be around $250, if you get this done by a professional. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on May 12, 2010

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Picture messed up for a while when first turned on, then better


How old is the tv overall? The tv can be repaired.
https://eservice.sony.com/webrma/web/index.do
Follow this link and you can inquire about getting service for the tv.
Thank you,
Lee

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