Samsung LN-R409D 40 in. LCD Television Logo

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Question about Samsung LN-R409D 40 in. LCD Television

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Samsung 40" LCD HDTV

I have lines about 2-3 inches thick that scroll from the bottom of the screen to the top.

Posted by Scott McGougan on

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Anonymous

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  • 217 Answers

Sounds like a different source is the problem, start by eliminating each source hooked to the set, I have seen cable boxes do this, see if it does it on a dvd

Posted on Mar 17, 2007

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Samsung lcd tv

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.
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Adjust my 40 Samsung 1080p 120Hz LCD to see the entire picture. t is currently cutting off the edges; left, right, top and bottom

First check if your zoom is on..if it is switch back to normal setting. If picture is still cropped with no zoom then try go to the menu seen string and check for aspec ratio..try different sttings..
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I bought an LCD Samsung 3 years ago and about a year ago a thick black line appeared in the middle of the screen. Can this be fixed at home?

check if the lines appear on different inputs or source like hdmi,av,pc, if it happens on a different source then theres a problem with the lcd screen it needs to be fix.
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I have a vertical line across my screen from top to bottom about 2mm thick about 2 inches from the right side of my mitsubishi lt-40133. how do i fix this?

Vertical lines more likely to be caused by bad T-CON board, you need to check the connections between the T-CON board and the main logic board, it can possibly be the main logic board also.
Please see my basic troubleshooting guide:
http://s807.photobucket.com/home/budm/allalbums

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://en.wikipedia.org/wiki/Capacitor_plague
Parts: try www.shopjimmy.com or Ebay
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My Sony Bravia 46" has a 1" thick black line horizontally thru the middle of the screen. It separates the top and bottom. Has anyone seen this happen before?

It sounds lcd screen problem and lcd panel (screen) will be replaced. Please check with local tv repair shop or nearest Sony service center for lcd screen replacement.

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Samsung 40 inch LCD takes longer and longer to turn on, 5 minutes now, screen black with light under name on; once on line defects appear on screen. Sometimes when turns on only random lines instead of...

common problem you have a bad cap or 2 in your power board this board is the one where tour ac cord plug into these can like caps will be puffed up on top the values are written on the sides on the device replace them and your good to go
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42 inch samsung plasma tv black vertical lines

Hi, Depeending on the thickness of the lines matters. If the lines are Black and about 1-2 inches thick it may be a bad bottom buffer board or a bad panel (screen).
If the lines are thin 1/16 to 1/8 inch it is most likely a bad panel.
You can open up the set and depending on the model, see the thin board/boards running across the bottom with ribbon cables going to the panel. You may be able to attempt reseating the ribbon cables, but be careful as some retainer plugs break very easy.
If the lines are thick black and the reseating doesn't correct it you may be able to buy the coresponding buffer. Unfortunately some bottom buffers are actually part of the panel. If you are not comfortable taking it apart then call a professional but be aware labor charges start around $200 not counting parts, panels start at $600 up to over $1000
hope this helps
Thanks
Eric

I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771

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Try to replace the YSCAN board. If not fix it, then it's the PDP Panel failure.
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This maybe the symptom of a bad Panel. One Vertically This line is 99% bad panel. Call your warranty provider or SONY tech support if purchased under 2 years.

Best regards
CircuitCity
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