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Samsung LCD TV having a dim display. Have tried all the settings but does not work.

The display is very dim. I have tried all the settings but non worked. Also open the back cover to find any visible faults, but seems to be okay. All the capacitor on power/inverter board seems to be okay. Where else the problem can be?

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  • Master
  • 933 Answers

Is the entire display dim or just a portion of it?

Posted on Jan 01, 2013

  • The whole display is dim. I can also see some flickering going on, on low backlight and brightness settings, however on higher values flickering is not observable.

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Posted on Jan 02, 2017

westytech
  • 120 Answers

SOURCE: Westinghouse lvm-47w1 picture goes dim

Hello, I can tell you from experience that this is an inverter issue. Both the master and the slave have several transformers and sometimes you can't tell if they are damaged or not. I would recommend testing the leads from the inverters to make sure which one of the two is the one causing the dim picture.

Posted on Apr 15, 2010

  • 304 Answers

SOURCE: I have a Samsung LNS3251D 32-Inch LCD HDTV , that

In almost all cases where the set is taking a long time to turn on and then turning off it will be the Power Supply board that will have bulging capacitors, usually three to five. Look on the upper right side of the Power Supply and look for any blown caps. You can replace these caps and you will be fine. Now the other cause can be the Power Switch is shorting out. You can disconnect the the Power Switch but not the IR sensor and then turn ON the set with your TV remote and see if this stops the problem. If you are not skilled in component level repair on the Power Supply board then buy a new Power Supply board and install it.

Posted on Apr 16, 2010

SOURCE: I have a LCD samsung

It is not impossible but it is unlikely that the inverter will fail RIGHT AFTER you replaced the caps.
Are you sure you put their polarity properly?

Try disconnecting the inverter and powering the TV on again. it should be turning on and staying on, even without the backlight.

if it doesn't it is the power supply you're looking at.

Posted on Oct 29, 2010

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
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