Question about Samsung LN52A650A LCD TV

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Still trying to troubleshoot horizontal lines on my tv. so bad, can't watch. have been in contact with "The Knight". so far no luck.

Have taken off back of tv, caps look good,have not put meter on caps. thinking of replacing power board. any suggestions especially from "The Knight". any and all input would be appreciated, thanks,steve.

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  • Samsung Master
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Hi Steve
The power board to your TV is working fine now. If you're determined to make experiments with it; just carry on!! Replace the boards. one after another, till the fault is rectified.

Posted on Nov 16, 2014

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Posted on Jan 02, 2017

relectronics
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SOURCE: SAMSUNG LCD TV horizontal lines

causing of horizontal lines is leaky or defective capacitors. check big value capacitors around the board at Horizontal area. check the filter capacitor as well. good luck

Posted on Apr 20, 2008

romsky79
  • 822 Answers

SOURCE: Samsung Plasma Lines and Colors on Screen

yes it can fix. its only loose connections from LCD connectors. trust me. romsky79@yahoo.com

Posted on May 29, 2009

  • 1 Answer

SOURCE: Samsung HPR4252 with red horizontal lines accross the screen

I just had my HP-R4252 repaired on 12.05.09 with a similar problem. The picture is covered in horizonal, broken lines and the color is predominately red. They lines are grouped together in large bands across the screen.

The tech replaced the Y-Buffer boards (Up) and (Low) in about 20 minutes.

Samsung BN96-02034A BOARD, Y BUFFER UPPER ASSY
Samsung BN96-02216A BOARD, Y LOWER BUFFER ASSY

Posted on Dec 06, 2009

  • 927 Answers

SOURCE: Samsung model LNT5271f excessive relay cycling before full power

Howdy,
Yes, it is very easy to repair. Solder iron wattage should be at least 300 w.

The PSB is the center Board (towards left) after you remove the back off the TV. Remove the shield that covers the Boards and remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Good Luck, big IRISH.

Posted on Dec 28, 2009

Testimonial: "Great fix"

  • 53 Answers

SOURCE: My tv Samsung HP-R4252, have Y-Main board

Do you have more specific information on your set, such as the full product model? Such as: HP-R4252X/XAA? What about the version?

This can help, because--as of right now--you are telling me that you put that Philips part into your Samsung TV. The LJ41-02759A is made for a range of Philips sets. They may work, don't get me wrong, but the part # for your Samsung set is: BN96-02033A

I don't have both these boards in front of me, of course, so I can't tell you if they cross or not.

Hope this helps.

Posted on Jan 22, 2010

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The most common cause for the loss of picture is a bad Horizontal Output Transistor (HOT). but I would suggest you get a detailed estimate. I think that this would cost you about $60.

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To The Knight: followed your advice, nothing came up for my samsung LN52A650A1FXZA. will keep searching the problem.


Horizontal line problem is usually related with T'Con board itself. In rare cases, with panel too. There is details about this, at one or tow among the posts with the blog I've pointed out to you. I do clearly recall that, I've seen it there. It is a site, has more than 400 indexed pages on Google. a helpful one too. I've pointed out to many others, and most of them did find solutions to their problem there. I do get their responses too; by Fixya.
Just understand, an LCD TV is working mearly by some capacitors, and some users trusted as it is.
Contact any service technician. It will be the best.

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