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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
Sony KDL-46XBR6 partial dark screen

 

 


Aliac9000
New User

Jun 11, 2019, 5:16 PM

Post #1 of 5 (302 views)
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Sony KDL-46XBR6 partial dark screen Can't Post

This TV's LCD screen has a dark vertical band in the centre, increasing gradually to normal brightness on either side (please see link to photo below). The band in the centre still shows the video; it's just not backlit.

I'm guessing the backlighting is the problem, and that the backlight components are an integral part of the screen (i.e., not individually replaceable), meaning the TV is toast.

Am I right about this? It's only later Sony TVs that came with LED backlighting that's replaceable independently of the screen, correct?

Thanks in advance for any help I can get!

https://photos.app.goo.gl/kBjCQun4H7PrKzvXA

(This post was edited by Aliac9000 on Jun 12, 2019, 3:41 PM)



jts1957
Veteran


Jun 12, 2019, 3:22 PM

Post #2 of 5 (296 views)
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Re: [Aliac9000] Sony KDL-46BR6 partial dark screen [In reply to] Can't Post

For the 'correct' model, tis CCFL back lights. You'll have to partially disassemble the panel to observe lamps. https://www.shopjimmy.com/sony/kdl-46xbr6

could also be inverter board

http://www.lcdparts.net/CCFL13D.aspx


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Aliac9000
New User

Jun 12, 2019, 4:07 PM

Post #3 of 5 (288 views)
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Re: [jts1957] Sony KDL-46BR6 partial dark screen [In reply to] Can't Post

Thanks for the leads. And for the heads-up on the 'X'!


yezom999
New User

Jun 26, 2019, 7:21 PM

Post #4 of 5 (225 views)
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Re: [Aliac9000] Sony KDL-46XBR6 partial dark screen [In reply to] Can't Post

hello Aliac9000,
the issue you are facing can be sometimes due to BAD LVDS FFC Cable and it can be easily fixed just by using new cable. here is an image of what you need to check https://ravielectronics.in/...c-e1561576687742.jpg

reply if if problem still there.


Aliac9000
New User

Jun 26, 2019, 8:32 PM

Post #5 of 5 (217 views)
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Re: [yezom999] Sony KDL-46XBR6 partial dark screen [In reply to] Can't Post

Thanks for the suggestion.

Unfortunately the image link you provided yields only a small graphic which doesn't show any electronic component.

Could I impose on you to check that link?

Thanks in advance for your help.

 
 
 


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