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I have a Samsung LCD LN52B750 TV that i am replacing the main board and by doing so will the life of the TV be extended

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  • Expert
  • 43 Answers

No , the lcd panel only last 60,000 , about 5 yrs

Posted on Feb 08, 2012

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Posted on Jan 02, 2017

circuitworld
  • 335 Answers

SOURCE: LCD tv main/digital board

Send it to us and we will refurbish the board.....

e-mail me....circuitworld@comcast.net


Posted on Feb 11, 2009

  • 718 Answers

SOURCE: how hard it is to replace by yourself main board Samsung LN-T4065

You need to do some more diagnosing of the problem. If you get sound and change channels take a bright flashlight and place it again the screen. Look for an image around the edge of the flashlight.
If you see an image that means the LCD controller board (TCON) is probably good.

The problem is probably one of three causes;
1) Inverter board is bad
2) CCFT (cold cathode fluorescent light) are bad.
3) Power to the inverter board is bad. You can also check the connectors.

Posted on Mar 30, 2009

  • 927 Answers

SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

  • 1 Answer

SOURCE: Power Supply Board for SAMSUNG 40" LCD TV Model LA40R81BX

You'll find some Samsung power supply boards here : http://www.usefulparts.com/index.php?main_page=index&manufacturers_id=11&sort=20a&filter_id=98&alpha_filter_id=0
but you have to open your TV first and find out model number

Posted on May 10, 2010

  • 1 Answer

SOURCE: I have a Samsung LNT4665FX with screen problems. I

To solve this type of problem, you need a piece of white chalk. Draw a line around the area where the set is at. Call a priest - and lay the poor thing to rest!!!! This isn't the first time Samsung has "dropped" junk onto its' customers. Their dvd players also had problems with their DSP I.C.s that would over heat and cause the video playbacks to "break up". Don't waste any more time or money on the product!!!!!

Posted on May 18, 2010

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Mar 18, 2012 | Samsung LN52B750 52 in. LCD TV

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Spilled juice on front of Samsung LN52B750. Juice ran down into on/off control area. Now when it's turned on, no picture and channel display runs through non-stop on the screen. Any replacement parts?


HI,
To solve this problem you have to open your tv and using a hair dryer het the are of the control panel this will evaporate the moisture at the touch panle switches . After that reassemble the same and check. The problem will be cured.
ok

Dec 15, 2011 | Samsung LN52B750 52 in. LCD TV

1 Answer

Have a samsung LN52B750 that was on during a lightning hit. It gets power but it will not turn on. You can hear it clicking and the red led power light blinks 8 times. Help


Hello,

The problem is that there is a burnt or bad capacitor on the power supply board of the television, it is not longer responding, while it tries to respond is when you get the clicking sound, therefore it is not going to power on until the bad capacitor is replaced.

Run a check on the power supply board, you will definitely see the bad capacitor, have it replaced and the television will turn on after reassembling the television back together.

Thank you for using fixya
Caseytech

Jun 29, 2011 | Samsung LN52B750 52 in. LCD TV

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I have a Samsung LN52B750 that has a few Black and White lines on the right side of the screen going to the middle of the TV. I have the latest firmware update and have reset the TV and neither helped. It...


This tv has not gotton hit by any object or someone.Than it not the LCD panel screen problems.This cause it the T-CON decoding board is dead,that sit wright in the middle bottom of the LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decoders board for the replacement.

Oct 17, 2010 | Samsung LN52B750 52 in. LCD TV

1 Answer

Samsung LN52B750 LCD TV image smear/trailing


It transfer the universal image signal of TTL and LVDS signal to specific TFT LCD.
No offense, but it is a very complex subject.
Unless you're an EE.

Apr 09, 2010 | Samsung LN52B750 52 in. LCD TV

1 Answer

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Apr 06, 2010 | Samsung LN52B750 52 in. LCD TV

1 Answer

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This should be repairable. It may be the LVDS Cable or the Main board problem. The only other problem is the T-Con Board.

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