Question about Samsung LN-R409D 40 in. LCD Television

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Optimal settings What are the optimal HD settings for a Samsung TV model LN-R409d

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Samsung LN-408DX/XAA

How do I get the PIP to work?

Posted on Apr 27, 2008


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My 40" samsung model no.LN-R409D has sound, no

You have bad T-CON board, check the surface mounted fuse (2A fuse) to see if it is blown, you may want to replace the board, common failure in this model.

Read below for more details:
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

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:
Failed TV and Monitors pictures:
Learn about bad caps:
Capacitors kit: he can make you a set of caps.
Or, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Nov 02, 2011 | Samsung LN-R409D 40 in. LCD Television

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Blank screen Samsung LN-R409D, audio when turning on and off and blue light at power button in on position???

Hi there
Im afraid this sounds like a fault with the TV. Try turning it off at the wall for 3 minutes, and then with nothing plugged into the TV, turn it back on. If the problem persists contact the manufacturer.
Hope this helps

Jan 03, 2011 | Samsung LN-R409D 40 in. LCD Television

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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.

Feb 01, 2008 | Samsung LN-T4042H 40 in. LCD HDTV

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Optimal Settings

There are no perfect settings. Most people leave the controlls in the middel. The controls are for you to adjust the picture to where you like it the most. Keep in mine that the picture can be different from one chnnel to the other. Try to find a happy medium for all channels.

Jan 19, 2008 | Samsung LN-T4042H 40 in. LCD HDTV

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Jan 18, 2008 | Samsung LN-T4042H 40 in. LCD HDTV

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LCD TV Set up

no tips, but if you have tip on how to remove base that would help us out..we hung on wall and cannot remove the 4 screws to remove base, only 2 would come out.

Jan 01, 2008 | Samsung LN-R409D 40 in. LCD Television

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Best Picture Quality

Check this link out. I think it should give you all the info you need for optimal picture settings.

Nov 13, 2007 | Samsung LN-T4061F 40 in. LCD HDTV

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Samsung lcd tv le32r8 (Picture - Movie setting)

The TV is probably in Shop mode, when your TV is initially turned on you can choose between Shop mode or Home Mode.
In Shop mode the TV automaticly returns to the standard setting after a while, they do this so customers can "play" with it.

Press down de Volume button and then hold down the Menu button for five seconds on the side panel of the tv.

Oct 25, 2007 | Samsung LN-R409D 40 in. LCD Television

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Samsung lcd tv le32r8

perchè quando collego il computer al televisore l' audio è assente?

Oct 15, 2007 | Samsung LN-R409D 40 in. LCD Television

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