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Old 10-07-2015, 09:47 PM   #79
budm
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Join Date: Feb 2010
City & State: S.F. Bay area
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Default Re: Sony Bravia no picture but backlight on

These are the boards used in your TV:
http://www.shopjimmy.com/catalogsear.../?q=KDL-46xbr2

So I am sure where you get the word 'SIGNAL' board from.
Can we see the screen shot of the problem?
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Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956

Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999

Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl

Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/

TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809
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