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Samsung 40 LCD tv issue model LN-T4065F, has power but does not turn on.

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6 Suggested Answers

Anonymous

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

SOURCE: Samsung LN-T4042H 40" LCD

This may not really be a solution to your problem, but here it goes. If you are not sitting a particular distance from your tv you will experience slight pixelation. I have this tv myself and I think it looks great. Now when I am sitting up close on a station that is broadcasting in 720p(which is pretty much every HD station) It looks only pretty good...I sit back and it is fantastic. The good rule of thumb is take the number or inches your TV is in yours and my case 40, divide by 10 and then multiply by 2...and that is the number of feet you should be for optimal viewing distance. So 8 feet, you would be surprised to see how sitting this magic number away makes a difference.

Posted on Feb 12, 2008

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Anonymous

SOURCE: Samsung LN-T4065F Dotted lines across screen

tell the idiots where u bought this tv from and demaand a more expensive and better tv on their bill

Posted on Mar 03, 2008

marionbagget

  • 718 Answers

SOURCE: how hard it is to replace by yourself main board Samsung LN-T4065

You need to do some more diagnosing of the problem. If you get sound and change channels take a bright flashlight and place it again the screen. Look for an image around the edge of the flashlight.
If you see an image that means the LCD controller board (TCON) is probably good.

The problem is probably one of three causes;
1) Inverter board is bad
2) CCFT (cold cathode fluorescent light) are bad.
3) Power to the inverter board is bad. You can also check the connectors.

Posted on Mar 30, 2009

vinnyq

vinnyq

  • 157 Answers

SOURCE: Clicking noises before TV turns on.

The clicking noise is coming from the power supply relay. Is makes this sound when the TV is usually turned on or off but has become faulty. It will only get worse over time usually until the TV will no longer turn on anymore. You need to replace the power supply in order to fix the TV.

Posted on Nov 09, 2009

dick davis

  • 610 Answers

SOURCE: my samsung 40

power supply board has failed. call 1-800-samsung for nearest service center. VERY common problem.

Posted on Dec 01, 2009

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I have a Samsung LN-T4065F LCD TV bought in September 2007. Recently, the display started flashing after viewing for a while. Then started noticing some artifacts on the display - dots which look like a...


The bad caps issue will cause you not to have backlights or not turing on (thr main relay will click on but the main power supply will remain off).
This sounds more like the main board or possibly the T-CON board.
The artifacts also show when the on sceen menu is 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
Parts: http://interliquidparts.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.

Jun 22, 2011 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Samsung LCD TV will not turn on or off. Red light


hi,
your lcd ip board (power board) capacitor had already exhusted.
got to replace the ip board.

Jan 25, 2010 | Samsung LN-T4065F Television

2 Answers

When you turn on the TV it takes about 20 to fully turn on. sometimes we get pink lines on the screen.


CHECK POWER SUPPLY BOARD ...OR REPLACED
POWER BOARD NO:
Samsung BN44-00167A BOARD, POWER (VERISONS SX07,SX05,SS03,SQ01)
Samsung BN44-00165A BOARD, POWER (VERSIONS SX08,SX06,SS04,SQ02)

Dec 31, 2009 | Samsung LN-T4065F Television

1 Answer

I have a samsung lnt4065 LCD TV. IT create a clicking sound and it wont turn on. I had this for 19 months and its out of warranty. They want to charge me $65 just to check the problem but not to solve it....


This type of failure might be due to defective capacitors in the power supply. Check this link for more info on power supply failures and DIY tips.
Let me know if you require further assitance.
Good Luck.

Sep 29, 2009 | Samsung LN-T4065F Television

2 Answers

I have a Samsung LN-T4065F--problems turning on


I read the suggestions regarding replacing four, slightly bulging 1000 microfarad capacitors. This solved the problem. When I removed the capacitors, I checked them with an ohmmeter and they were all showing low resistance (partly shorted). The suggestions in this blog saved me several hundred dollars and I am very grateful. I would not recommend Samsung again as I feel they are using inferior components. The TV is only two years old and I live in a temperate climate in the Pacific Northwest.

Jul 05, 2009 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Samsung LN-T4065F


clicking sound coming from television

Jun 18, 2009 | Samsung HCN4226W 42" Rear Projection...

1 Answer

My samsung 40" lcd LN-S4041D TELEVISION WONT TURN ON JUST CLICKN AND TURNS ITSELF ON AND OFF AUTOMATICALLY. I GET NO PICTURE OR SOUND.


This tv has issues with 4 capacitors. These caps can be replaced for about $10. They are located at the top right corner of the power supply. They will read 10v,1000uF. I had the same problem, then I replaced them wit 16v,1000uF capacitors. And presto tv!

Jun 09, 2009 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

Samsung 40 inch lcd tv


the issue is with capacitors on the power supply board ,open your TV and look for caps with damage on the top,the caps are 110 volt change them to 120v
and your issue will be gone.

I have done this with four of this kinda of TV and all are working like a charm

Nov 10, 2008 | Samsung LN-T4065F Television

1 Answer

Samsung LN-T4065F Dotted lines across screen


tell the idiots where u bought this tv from and demaand a more expensive and better tv on their bill

Mar 02, 2008 | Yamaha DV-S5950 DVD Player

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