Question about Samsung LNT4066F 40 in. LCD Television

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SamSung TV Model LN-T4066F Model Code LNT-4066FX1XAA Year 2007 Color lines running from top to bottom of screen - vertical lines - TV man called the Horizontal color lines from top to bottom - Not sure what to replace.

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Posted on Jun 03, 2011

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Posted on Jan 02, 2017

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1 Answer

JVC LT-42E910 LED flat screen TV, backlight comes on, menu box is displayed but after about 5 seconds backlight goes out. Picture and sound still working but no backlight. How can I troubleshoot?


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Tip

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

How to repair tv with lines on display


the samsung LNt 4661F has been known to develope flex tab bond issues which will cause line to run across the screen and you can also gt darker bands that run across the screen when the tab bonds fail. usually flexing the screen frame or a light tapping will allow the lines to disappear when its warm if its a tab bond issue

Apr 07, 2012 | Samsung LN-T4661F 46 in. LCD HDTV

1 Answer

I have a line running thru my tv


vertical(up/down) or horizontal(left/right)? color/white? when you tap on the top of your tv does the line go back to a full screen? could be a makers defect.

Aug 22, 2011 | Samsung LN-S2651D 26 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

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

2 Answers

Blue/black vertical line in the middle of screen


Sounds like a bad connection on a ribbon cable or plug comming or going to the LCD display. This is something you should not try to fix as these circuits are very very fradgile and you can easily break or tear a ribbon cable . Call the manufacturer to get a tech to assit you. Good Luck

Aug 06, 2006 | Samsung LN-R328W 32 in. HD-Ready LCD...

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