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Hi I have a sony kdl 37u400 when I turn on the tv pic is good but then starts to to white but can still see pic behind think It might be tcon but not sure can It be fixed and were can I get the parts

Tv turn on the pic is ok but then starts going white any one know how to fix this

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Sony BRAVIA KDL-40W4000

Hi there,

I've been looking into this myself as I've also recently purchased the KDL-40W4000. I was watching a murky old film and was getting a bit of sludgy ghosting but found that by reducing the contrast to 25, setting the backlight on low, colour on neutral and the brightness about 40-60 (and taking ALL advanced noise functions off), this reduced the ghosting considerably.

BUT, this is quite a cool and dark image. If you watch standard TV and films mainly, a variation of the Cinema setting is probably the best overall setting i.e.

backlight: min
contrast: 79
brightness: 50
colour: 53
colour temp: Warm 2 (although Warm 1 is less yellow and still fine)
sharpness: min
noise reduction: off
mpeg nr: off
contrast enhancer: off
colour space: standard

Ben, UK

Posted on Nov 23, 2008

  • 267 Answers

SOURCE: Sony 46" LCD tv hdmi input replacement kdl-46v2500

replace that board

Posted on Mar 06, 2009

rustym62
  • 201 Answers

SOURCE: Sony Bravia KDL-40V3000 standby light blinking

I just worked on this last week 13 blinks means there is a problem with the backlights.So it can be 1 of 2 things bad inverter board( which costs less than $200) or the panel in which case you can thow the TV away as it will probably cost as much for a new TV.Unfortunately the set I worked on ended up being panel. If you try the inverter board just take your time removing it its plugged in rather tight I gently tapped it out with a screwdriver to get it started.

Rustym62
The TV Dude

Posted on Apr 27, 2009

  • 1 Answer

SOURCE: Sony kdl-46xbr4 Black Horizontal Bands When I First Turn on TV

I had the exact same problem with the Sony KDL46XBR4. The problem started 11 months after I purchased the TV (Dec 2007). Luckily I placed the call to Sony just before the 1 year warranty expired and they replaced the entire front panel which is basically the whole TV except for the stand and the plastic frame. Last month the same issue started happening again (5 months since the repair). I called Sony and they say they have a 90 day warranty on the replacement part so I would need to pay out of my own pocket to first have the problem diagnosed (it's the EXACT same problem!) and then pay to have the repair done since the warranty has expired. I asked how much the front panel costs and it's $1,400! I paid $2,100 for the TV when I purchased it. Interestingly, at the time that part was back-ordered.....hmmmm, I wonder why??? Perhaps a recall is warranted here (no pun intended). Needless to say, I have sworn off Sony products due to their lack of support for this issue.

Posted on Jun 28, 2009

tvhelp-Dave
  • 178 Answers

SOURCE: Bravia KDL-46VL130 TV: Our Sony KDL-46VL130 picture is streaking and some...

That symptom may cause by the main board or t-con board, I suggest you do software up grade first.

Posted on May 07, 2010

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1 Answer

Tcon BRAVIA 2010 sony kdl-32bx300


The T'Con is a built in part of the display panel, and cannot be replaced. The display panel should be replaced with a new one.
http://electronicshelponline.blogspot.com/

Dec 31, 2016 | Sony Bravia KDL-32BX300 32" 1366 x 768...

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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.

see schematics in Sony KDL 55EX500 Troubleshooting Manual Page 23

Sep 15, 2016 | Sony Bravia Kdl-60ex500 60" Inch 120hz...

1 Answer

How do I fix my white screen issue on my Sony LCD tv?


The TCON Board or the LCD panel is faulty. Can confirm By replacing the TCON board.
If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

Jun 09, 2016 | Sony Bravia KDL-46Z4100 46 in. LCD HDTV

1 Answer

I have a Sony KDL-46EX720 that turns on, plays sound, but there is no backlight and I hear a constant clicking from the TCON board. It goes away if I disconnect the LVDS from the TCON. Thoughts?


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Mar 17, 2016 | Sony BRAVIA KDL-46EX720 46" 3D LED-LCD TV...

1 Answer

I have a 2011 Sony bravia LCD TV model kdl 40ex621....I hit power button and red led turns green then switches right back to red and blinks 4 times, I need to know what board to replace. Thank you!!


Hi Loren,
Timing control ( TCon) board seems to be the culprit in this case. Please check the connectors and the cables to and fro TCon before going for the replacement.
Good luck.

Apr 11, 2015 | Sony Televison & Video

1 Answer

What is the tcon board part no. for sony kdl-52w5100?


The part number for the LCD CONTROLLER (TCON) board for that model of TV is:

52NU_MB3C6LV0.7

Here are a couple links to some online parts supplier websites where you can find that information:

http://www.usefulparts.com/index.php?main_page=product_info&cPath=65_80&products_id=1399



http://www.tristatemodule.com/p-19089-lj94-02674k-sony-tv-module-t-con-lcd-control-52un_mb3c6lv07-kdl-52w5100-kdl-52vl150.aspx


Just use your mouse to click on the links, which are the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information and items at the website indicated.

I hope that was helpful to you, good luck and take care.

Joe.

Sep 18, 2011 | Televison & Video

1 Answer

My Sony KDL-32M3000 has dark reddish picture, checked the ribbons around the frame they're ok, power supply is ok, Hi voltage board is ok, I'm guessing the main video processing board since I don't have a...


It will be either BM board (Video Processor board) or Tcon Board (top side of panel). I have similar problem...my TV turns on, lamps turns on (you can see them from back side panel holes) but just a dark blue picture appears with no image (like picture when external input is selected without signal), no OSD appears....some times I can heard audio (using Antena).
I'm thinking getting the BM board.

Dec 25, 2010 | Sony KDL-32M3000 32 in. LCD Television

1 Answer

Slow picture and dark reddish tint


These sounds like you have an issue with main board or tcon. Picture slow makes me think this is a communication issue between the tcon and the main board.... This needs a professional diagnostic. The good news is i don't think it is the panel which would make the cost of repair beyond the cost of the tv. If it is in warranty or just out of warranty call sony, sometimes if it is just out of sony's 1 year warranty they will make exceptions. But you need to call them for this exception.
Some solutions are not cut and dried and an on-site diagnostic is best. In your case this is true. I have worked on sony for many years and that symptom (at least the way it is described) is not one I have seen.

Oct 10, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

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