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My 2 year old Sony 46 XBR 4 LCD flat panel turn all white

My 2 year old Sony 46 XBR 4 LCD flat panel has developpe a fault.
the screen went all white for with the picture looking like a negative film but white color intermitently

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I have an LG 20LS7D

Possibly th emain board needs to be replaced actually you need to check some voltages first but with just a sincere guess signal cba

Posted on Sep 26, 2008

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SOURCE: sony pfm 42b1 negative picture

Hi,

I have a Sony PFM-42v1 and it does the same thing, look in your tv menu for picture inversion, usually under screen saver. What it actually does is reduce the chance of screen burnin. By reversing the image it sort of resets the hot areas, brightest colours and the cooler areas being dark colours, switches them around ( negative ). This cools the hot spots and heats up the cold spots.

There should be a option to turn it off, mine and I guess yours as a default is ON, mine has the ON, timer and OFF options.

Hope this helps, please let me know if you need more info.

russell

Posted on Mar 12, 2009

  • 197 Answers

SOURCE: sony bravia 46 lcd The picture dims and

set has a light sensor. go in menu and turn light sensor off

Posted on Jul 02, 2009

  • 1 Answer

SOURCE: yellowing spots on my lcd flat panel tv

Just had Best Buy's Geek Squad in to rectify this problem.They replaced the whole panel and the yellowing still appeared. Thankfully under extended warranty. Going into Best Buy today to replace the TV.

Posted on Jan 30, 2010

welcomejee
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SOURCE: The picture on my Samsung LA40A450 looks like x

Hi,
I hope our talented expert would have given you helpful info in chat session to solve tv problem, let me know if you still need further help.
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Posted on Sep 25, 2010

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1 Answer

What causes vertical lines across the screen?


Lines across the screen is mainly caused by a display panel fault. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Nov 18, 2016 | Sony Televison & Video

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I have a 70 inch Bravia XBR 70X850B which up until yesterday green/red/pink vertical line that runs across the middle of the screen.


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts

Nov 17, 2016 | Sony XBR Televison & Video

1 Answer

Sony xbr lcd flicker double picture


Hello,

I'm a 100% certain your LCD panel is bad, I've run across a lot of Sony/Samsung's with the same problem. It can be fixed but involves taking the TV apart. I have 5 flat screens in my home, 3 of them had the same problem yours had, I patched them and they are working fine! A replacement panel will cost more than a new TV set so that's not an option. If you do no wish to fix, I would suggest putting it on Craigslist as a parts unit, someone will buy it. If I have been a help to you please sign my guest book

http://www.back2lifeelectronics.com/Guestbook.php

Jun 08, 2014 | Sony Bravia XBR-Series KDL-46XBR4 46-Inch...

1 Answer

Sony BRAVIA XBR KDL-46XBR4 HDTV LCD Television


you need to replace defective capacitors in the power supply of the tv

Jan 05, 2013 | Sony Bravia XBR-Series KDL-46XBR4 46-Inch...

1 Answer

I have a 46 inch Sony Bravia 46 XBR4 set. The right side went out only colored lines appear. The rest of the screen is fine. email address GLCSS19@AOL.COM.


Sounds like the tcon (timing control) board. Sometimes unplugging the LVDS cables from the tcon, cleaning and reconnecting solves this. The catches on the LVDS cables are easily damaged and must be handled carefully.

Jan 20, 2011 | Sony BRAVIA XBR 52 in. LCD Flat-Panel HDTV

1 Answer

My 52inch xbr4 tv is 2 years old. Intermitently over past 2 months, when I first turned it on, I get thin vertical lines and double imaging especially over left half of screen. After a few minutes it would...


I have the same issue. Bought the TV 1/08 and it started showing those exact symptoms about 3-4 months ago. It generally progresses and gets worse. You can try to fix it as it's some kind of TAB connector issue, or keep calling Sony so that the 52" owners of the XBR4 and 5 series get the extended warranty just like the 46" owners received for the same series. If enough of us keep calling, they'll have to act.

Jan 18, 2010 | Sony BRAVIA XBR 52 in. LCD Flat-Panel HDTV

2 Answers

I have horizontal lines in my screen about every


The reasons for the fault may be due to:
  1. The Control PWB only causes this defect when the Backlight Control Signals are Output from the Control PWB.
  2. No LVDS signal may also result in this symptom.

Dec 04, 2009 | Sony BRAVIA KDL-46S2000 46 in. LCD HDTV

1 Answer

My Sony KDL-32XBR4 has vertical lines for 5-15 minutes on startup


I have a 46 inch , Sony XBR 4 tv . The past week there has colored vertical lines that appear on the screen for about 10 minutes . Then they go away . What is the problem and solution?

Jul 10, 2009 | Sony BRAVIA KDL-40V2500 40 in. LCD HDTV

1 Answer

I have a Sony Bravia KDL-46Z4100 46' I have a green vertical line on left side of screen


this is probly the lcd control module unfortunatley it comes with a new lcd panel
change these.

Mar 10, 2009 | Sony BRAVIA XBR KDL-V26XBR1 26 in. LCD...

2 Answers

Sony Qualia and Sony XBR 4 TV


wow. mostly all new set from the last few years have a dual tuners
NTSC and ATSC and that would depend if or which set will get the better signal. Also remember that off air is analog and the sets are now design for digital.

Feb 09, 2008 | Sony QUALIA 005 46 in. LCD Television

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