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My Samsung LN-T4066F TV is only showing colored vertical lines.I thought it might have been the cable box, but if i switch the input so that it is hooked up to the Wii, the lines are still there and then a black cloud starts to take over part of the screen. The audio still works

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Ur backlight inverter board is dead.
U need a new one.

Posted on Sep 10, 2009

Testimonial: "Thank you so much. I had looked on the Samsung website but couldn't find anything that matched my problem. You mean new tv right?"

  • Chi Chu Sep 11, 2009

    This tv is a LCD right?Tries these websites.Tv Repair World com.

    Shopjimmy.com. and Tv Parts.com.

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1 Answer

Samsung LED TV, Model# UN55B6000VFXZA turns on to black screen then displays large blocks of colored vertical lines?


check every flat cable main boerd to t-con t-con to display if dont help display is a problem

Feb 24, 2017 | Samsung Televison & Video

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Samsung LN-T4066F Color lines on the screen problem


Color lines on the screen? Look for bad caps as shown here, always replace them in a set. By Bud Martin


budmrtn.jpg

budmrtn_0.jpg

budmrtn_1.jpg

budmrtn_2.jpg
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

on Jun 03, 2011 | Televison & Video

1 Answer

When started, why are vertical color bars showing?


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Nov 26, 2015 | Samsung LN-T4053H 40 in. LCD Television

2 Answers

I recently had my tv repaired for diode problem,it is a samsung LNT4066FX/XAA flat screen.Now instead of clicking sound and not turning on the power bar at bottom stays blue and the picture has color...


Well the capacitor problem usually causes power up problems. If your tv comes on now it sounds like you dont have the same problem.Vertical lines are usually caused by bad flat panel or dirty ribbon cable contacts on flat panel connections.

Aug 19, 2010 | Samsung LNT4066F 40 in. LCD Television

1 Answer

Hi! I was watching my TV - Samsung LN-S4092D - and the picture went to black with a few very light horizontal lines for about 30secs. After that it went to complete black. I thought it might just be that...


Hi Bob. The first Board to cause this problen is the Main bd. The next bd to cause this is the T-Con bd which is mounted on the Panel. Since you saw horizontal lines and that you have text on the screen and are missing audio from the tv means that the Main bd has gone bad. Have a trained Samsung tech service your tv. Call 1-8020-Samsung as they can direct you to a Qualified tech in your area.

Jul 05, 2009 | Samsung LN-S4692D 46 in. LCD HDTV

1 Answer

When I turned the tv on only vertical lines appeared


I talked to a Samsung support helpline and it needs to be taken to a service center for repair.

Mar 02, 2009 | Samsung LN-S3238D 32 in. LCD HDTV

1 Answer

Horizontal bar of green tint the moves from bottom to top of screen


This may be a power supply fault, and what you are probably seeing is some switching noise breaking in through the display processor, or possibly the input processor. Because of the fact that the bar is moving, this means that the sequence is not locked to the main processors.

You should contact the place where you bought the set and speak to someone about an exchange. A one day old set should be exchanged right away, and I would argue that fact.

I don't want to mention any name brands, but I would have gone for a company that also manufactures TV broadcast and industrial TV equipment rather than one that manufactures appliances.

Jerry G.


Jan 29, 2008 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

VERTICAL LINES AND THE COLOR CHANGES


are the colored lines all the way across the screen? with no video even menu does not show up i would say you have a bad panel take it back to the store

Oct 22, 2007 | Samsung LN-T4671F 46 in. LCD Television

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