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Sony tv troubleshooting

Model kdl-405300 pixels on screen break up, more so when watching live sports

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  • Televison & ... Master
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If you wish to get some details, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up older posts. It has troubleshooting tips.

Posted on Jan 01, 2014

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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mistersony
  • 320 Answers

SOURCE: green pixel lines

It sounds like a bad LCD panel but you would have to post a picture of the problem for me to be sure

Posted on Oct 18, 2008

mistersony
  • 320 Answers

SOURCE: Sony KDL-32ML130 lcd tv

Not really that tough. Sounds as though the backlight is shutting down, either from a power supply failure, or a failure of the backlight circuit itself. You can verify this by holding a flashlight to the screen in the area where the menu usually appears to see if it displayed on the LCD panel with no backlight. If you can faintly see the menu displayed, your backlight has shut down and the most likely cause is the backlight inverter board, followed by the power supply and the backlights themselves which are part of the LCD panel. If you found this information answered your questions, please be sure to rate it. Thanks!

Posted on Oct 25, 2008

lebones337
  • 152 Answers

SOURCE: We were watching tv on

sounds like the lcd control board malfuntioned. call sony and im sure they will have you bring it to a repair shop at no charge

Posted on Jan 01, 2009

  • 2 Answers

SOURCE: Sony TV KDL-32L4000 Turns Pink

My Sony tech says it's most likely a bad cable box. Try a DVD and if the DVD is fine then it's for sure your cable box. Needs to be replaced by the cable company.

Posted on Aug 10, 2009

  • 53 Answers

SOURCE: 40xbr2 bravia kdl sony LCD tv. The screen shuts

Problems relating to the automatic turn on and turn off of a set like this usually point to the main board being an issue. For this set, I believe Sony refers to that board as the "AU" board.

It's probably not the G/Power Supply board, especially if it turns itself on. Power supplies will turn a set off, but rarely--rarely--turn itself on.

If there's no kind of extended warranty involved here,
you could be looking at $500.00 for parts and labor to repair this kind of problem.

As always, try any software/firmware updates Sony might have available on their website prior to pursuing a repair visit.

Posted on Jan 22, 2010

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Sony Bravia KDL-60EX500 no longer turns on.


Refer to Sony KDL 55EX500 Troubleshooting Manual Protection Mode Symptom...
5X Blink - TCON & HFR Failure
The 5X blink protection mode indicates a communications error between the TCON/HFR board and the MT5388 microprocessor on the A-Board.
First replace the TCON/HFR Board if the 5X protection mode blink pattern occurs. If the TCON/HFR Board does not repair the problem then replace the A-Board.

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We have sound but no picture


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Dec 14, 2015 | Sony BRAVIA KDL-55XBR8 55 in. HDTV LCD TV

1 Answer

Why does my Sony Bravia LCD KDL-40BX421 TV spontaneously reboots itself?


Great that its under warranty!
Without troubleshooting inside the TV guess is not easy, there are only two boards in this model PowerBoard and Main Board, if the screen is bad its a automatic replacement. If purchased locally stores usually have a customer satisfaction 30 day return policy, good luck

May 02, 2012 | Sony BRAVIA Televison & Video

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I have a Sony BRAVIA KDL-52W3000 that has horizontal lines and ghosting on the left side. In the beginning it would go away after a while now it's pretty much always there.here's a video of it:...


unfortunately it sounds like the electrical signal component of the tv is beginning to fail or was subject to a power surge, usually if you get dead pixels you will only get dots on the screen, if you get a dead inverter, it simply loses its backlight, so i would suggest it may have to go to a repairer.

Jun 11, 2011 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

There is one pixel out on our TV. Is there anything we can do to fix that black pixel?


In 99.9% of the cases there isn't anything you can do except replace the panel. That last 0.01% are not dead pixels but "stuck" pixels and can sometimes be fixed by lightly rubbing the screen with your finger.

Apr 04, 2011 | Sony Bravia KDL-46V4100 46 in. LCD HDTV

1 Answer

Model# kdl-40w4100 Serial # 8051767 2 years old Horizontal lines in 4.5 inch blocks at the top of the screen


I have the same tv model KDL-40W4100 and around the same age. At the moment I have 16 of
these horizontal lines over the entire screen and they seem to be grouped into 2 lines per row. They are also around 4 inches and two pixel rows high. I have been looking over the Internet for months and found nothing to troubleshooting this issues. In the last few weeks more and more of these groups of lines have been showing up and now i am up to 16 of them and it is becoming unwatchable. Any help from anyone would be greatly appreciated. I also attached a picture to describe it better. Thanks!

cmac518.jpg

Nov 06, 2010 | Sony Bravia KDL-40W4100 40 in. LCD HDTV

1 Answer

Sony Bravia KDL-46Z4100


if the line is in the same place all the time im afraid to say that is a pixel problem on your display contact sony they may offer you a replacement display or altleast a way of changing the set.

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

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Sony Bravia XBR 40" LCD


First, HORIZONTAL CENTER.
1) Press MENU.
2) Scroll to SETTINGS.
3) Scroll to SCREEN.
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Aug 27, 2007 | Sony BRAVIA KDL-40S2000 40 in. LCD HDTV

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