I need a main board for a Samsung un46c6300

I need a main board for my un46c6300 led tv

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Anonymous

1 Answer
Posted on Apr 03, 2011

SOURCE: I just purchased a Samsung UN46C6300 LED TV. The

I had the same problem for a few days with my samsung tv which is the main reason why I am posting this solution though I am sure you, dvought, have found a solution by now. Hopefully. for all you other folks out there who have just made a desperate search on the internet like myself to solve this problem and have a cable box/satellite connect, please check your picture size settings for the cable box and change it from zoom back to normal. once i did this i was able to see all the writing and sports scores that were previously not showing before because they were cut off.

Anonymous

14553 Answers
Posted on Apr 18, 2012

SOURCE: SAMSUNG TV HAVE POWER BOARD PROBLEM

Gamble? a lot of symptoms thought to be power board are not there at all.

Correct method for someone with knowledge is check all voltage into and out of the power board ---other wise you might just as well get a dartboard out and throw things or parts at it and hope........

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Samsung UN65EH6000FXZA (Version YH02)

There is three possibilities:
1. Defective back lights LED strip.
2. Defective LED driver section integrated in the main power supply.
3. the main board.

How to check it:
1. You need a LED back lights tester to check the strips, or open the panel, use a 3.7 V DC power supply to test each LED diode separately.
2. Use a multi meter to test the out put DC voltage from the connector to the LED strip between the + & - for each section, (like 1+/1-, 2+/2- etc.) it should read 140 - 220 V DC. (need power up the TV).
3. Un-plug the cable between the main board & the power supply, power up the TV, if you get the back lights light up, the main board is bad.

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Samsung UN55EH6000 has audio, but no backlight LED as seen with flashlight test.

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://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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