Question about Samsung LN-S4095D 40 in. LCD HDTV

1 Answer

My LN-S4095D (3 years old), only works for about 30 to 60 min, and then the picture disappears and the sound stays. If I turn it off for several hours or till the next day, it turns on back with picture, but the problem repeats the same way. When it works for half to one hour, before the image disappears, the colors are getting stained with other colors (I can't describe it more precisely) and the image flickers vertical white lines for a few seconds before the image goes black.

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  • 2,315 Answers

Hello Dsidneysis,
It appears that this failure could be in the power supply due to swelling/ bulging capacitors in the power supply.
Check the link below to find parts to fix your TV.

Posted on Jun 11, 2017

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6ya6ya
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Posted on Jan 02, 2017

SOURCE: vertical lines across my entire screen

My 42" Samsung Plasma HDTV HP-R4252 has a 2" vertical strip of green pixels down the right side of the screen.

My 3 year warranty with Circuit City expires in Nov 2008.. so I hope I'm covered.. can't call until the morning.

Samsung said it might be a logic board problem.. but they want almost $2000 to fix. I might as well buy another TV if Circuit City can't fix it.

Posted on Apr 21, 2008

  • 11 Answers

SOURCE: Samsung LN-S4041DX 40 in LCD TV

Hi. You can try to go into service mode and reset the LCDTV to Factory Default. This will clear out all buffer over run's and any software related issues. It may fix the problem or it may not. If this doesnt fix the problem than you need to have a qualified Technician to look at it. The problem is in the AV circuit board, a technician who is qualified to repair electronics at circuit board level should be able to repair this problem rather quickly and inexpensively. Most technicians who do not have the expertise in repairing cicuit boards to component level would rather replace the whole AV board than repair it and this will be rather expensive.So talk to the repair shop before you drop the TV off.

Be very careful when accessing service mode. I suggest to write down all information in all areas before proceeding to a factory reset. If you do not record all values correclty you run the chance of not being able to use the TV again. To go into Factory Service mode, use the original remote and in this sequence push POWER OFF-MUTE-1-8-2-Power ON, the set will turn on and enter service mode, if you hit all previous keys correctly. If it doesnt try again. When you are done hit POWER OFF and this will exit service mode and save the data.

Posted on Jan 28, 2009

  • 1 Answer

SOURCE: 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.

Posted on Mar 03, 2009

budmrtn
  • 11361 Answers

SOURCE: we have a samsung tv

Similar to this?
http://www.fixya.com/support/r9375118-samsung_ln_t4066f_color_lines_screen

It can be T-CON, Power supply, LCD panel.
Learn more about T-CON/LCD panel here (not just for SONY TV):

http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT
http://www.mediafire.com/?zzjygannjty PDF download

Also read my guide:
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

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.

Posted on Jun 11, 2011

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1 Answer

When we turn our TV on we get sound, but our picture is distorted for about 15 min then it's clear. Any sug?


Your TV is about 5 years old.
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
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New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
https://www.youtube.com/watch?v=TR2iWN6b-LY
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email141.

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