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Sony Bravia LCD 40bx421 Flickering and discolored

So when I turn my tv on it shows the picture but everything is discolored and flickering, ghost images of what is on the screeen moving up and down and green and red and such. Do i need to replace the screen?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

WhIzAtIt
  • 136 Answers

SOURCE: Sony Bravia LCD Flickers/distorts

More than likely this is a bad display (lcd screen) the drivers in the lcd display are going out and unless its under warranty its very expensive to repair. Sorry :-(

Posted on Sep 15, 2007

yammy_alf
  • 666 Answers

SOURCE: RCA 37" FLAT SCREEN NON STOP FLICKERING/FLASHING SCREEN

you need to remove main ckt, (m.board) some part need to re solder specially in hot area. (lost contact i one of the flickering problem you encountered.

Posted on Mar 26, 2010

  • 28 Answers

SOURCE: Sony Bravia with really bad ghosting

The little board on top attached to panel.

Posted on Jul 05, 2010

  • 1 Answer

SOURCE: sony bravia kdl 46s4100 no picture

it sounds like your back light might be going out. You might be able to fix this by installing a new backlight inverter board.

Posted on Aug 05, 2010

  • 1 Answer

SOURCE: flickering screen

Two models of the 46 inch Sony Bravia have a screen flicker problem. On my 2008 model, starting from cold, it lasts for 5-10 min, on LHS of screen. The Telefix tech who visited said this is common with these models (46in only), a new panel is needed. Sony provides warranty on this fault for 3 yrs, so you do not need extended warranty to claim. Discuss your case with Sony or Telefix.

Posted on Oct 11, 2010

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32nx500 Sony bravia TV flickering issue. if any one have any idea about how to resolve the issue.


Flickering can be adjusted. http://electronicshelponline.blogspot.com/ Visit the site linked here to know more. Search the site by type in the brand name of your device in the search box at the top right of the display window to get gathered all the related posts.

Feb 26, 2017 | Sony Televison & Video

1 Answer

Picture blinks on an off an has no sound how can this be fixed


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VIZIO flickering Tv screen easy fix( no money ) .... I left town unplugged the Tv. When I came home home ...

Jan 26, 2016 | Televison & Video

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I have a Bravia KDL 40BX421 that suddenly has green vertical lines on the bottom 1/4 of the screen. These lines are in a background bar that is mostly a reddish shade.


Thin vertical lines cover screen on Samsung LCD - AVS Forum ' Home ...

www.avsforum.com/.../1127410-thin-vertical-lines-cover-screen-samsun...

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Hi guys, Ive had this TV for about a year now - all of a sudden thin vertical lines havecovered my screen (show in link below) No matter what ...Missing: 40bx421

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TV Repair help with troubleshooting lines on your TV Screen. ... hi i have a sony bravia mdel # KDL46EX523. i have horizontal multi colored lines ... My TV has the following symptoms: - Horizontal lines from top to bottom of .... thick(like 1-1/12 inch) and a couple of green vertical lines next to the black one.Missing: kdl ‎40bx421

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Dec 16, 2015 | Televison & Video

1 Answer

My tv just shows red light flickering but no picture how can i fix and what may be the problem


Maybe no video input. Check connections! Also maybe INPUT on TV is set to wrong input connector.

Feb 16, 2015 | Sony Bravia Kdl-40ex500 Series 40-inch Lcd...

1 Answer

Sony Bravia No signal plus flickering image and


You know how to reset the tv to its factory setting, I think you are a technician. Second thing you can do is software update. Go to http://esupport.sony.com/US/perl/swu-list.pl?mdl=KDL42V4100&LOC=3#div_pos_30 . If it doesn’t work. Replace the Main board (UB board). Part # A-1547-086-A Cost approx $320.

Knowledge obtain from: Repair experience on same symptom.
Parts reference: Andrews electronics, 800 289 0300.

Apr 18, 2010 | Sony Bravia KDL-42V4100 42 in. LCD TV

1 Answer

Flickering screen


Two models of the 46 inch Sony Bravia have a screen flicker problem. On my 2008 model, starting from cold, it lasts for 5-10 min, on LHS of screen. The Telefix tech who visited said this is common with these models (46in only), a new panel is needed. Sony provides warranty on this fault for 3 yrs, so you do not need extended warranty to claim. Discuss your case with Sony or Telefix.

Jan 03, 2010 | Sony Bravia KDL-46V4100 46 in. LCD HDTV

1 Answer

FLICKERING PICTURE


Check power supply for the 24Volts connected to the backlight inverter ,bad caps could be the fault

Jul 20, 2009 | Sony Televison & Video

1 Answer

42" LCD Vizio that flickers on start up, looks like a strobelight


capacitors ar eleaking and the freq is not contaminated you will need a service center to repair this problem nothing you can do your self, sorry

Nov 30, 2008 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

2 Answers

Sony Bravia LCD Flickers/distorts


Wanna sell the tv for parts? Kev0201@yahoo

Sep 14, 2007 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

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