Question about Samsung UN55D6000SFXZA 55 In Led Hdtv 1080p 120hz

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Samsung tv model un55d6000sfxza Has a stand by light on but it will not turn on. How do I fix it. Do I need to replace the power board or main board?

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6ya6ya
  • 2 Answers

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Hi there,
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Good luck!

Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Samsung TV won't turn on- trying to fix it. A challenging problem

I had the same problem. I live in NJ and called the local authorized "service provide" listed on the Samsung website. What a joke. Quoted $350 just to show up, never showed up. So I opened my own TV. Took off the plastic back (10 screws) took off the large metal RF shield (12-14 screws) and noticed a blown component. The markings on the component were KL15L and it is apparently an NTC Thermistor. Obviously it got fried and not knowing if there was other damage I decided to set out to replace the entire Power PCB Board Assembly and not the component. There were two part numbers on the assembled board (BN97-00457E & BN94-00622E). After searching online I also found a suitable replacement number for these (BN96-04896A). I found two places who claimed to have the part or have it on order (shopjimmy.com and vancebaldwin.com). After placing orders with both and having neither come through, I broadened my search and found out that the LNR409D was basically the same model as my LNR408D so I looked for its Power PCB Board Assembly part number which turned out to be BN41-00521B. Google search for that part number showed the item available on ebay. I bought it a week ago (ebay 260311519904) for $144 plus $12 shipping. I removed the bad board an hour ago (6 screws about 7 connectors) installed the new one, plugged in the connectors, replaced the covers, plugged in the TV... AND IT WORKS!
Suggestion: If your TV is out of warranty then open it up (what have you got to lose) and see if the problem is obvious and maybe something you can fix (replace) yourself. The parts, spare boards, etc. are out there if you look.

Posted on Nov 16, 2008

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  • 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

  • 296 Answers

SOURCE: On Samsung main board model bn94-01708u with no video.

Hi, I think you need to replace the video card.
Thanks! mannu_rakesh

Posted on Aug 21, 2009

lukster
  • 217 Answers

SOURCE: first lost pic now no sound replaced main

YOUR OTHER POWER SUPPLY IS GOOD, YOU NEED TO REPLACE THE Y-BUFFER AND Y-MAIN BOARDS

Posted on Dec 30, 2009

  • 927 Answers

SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

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My samsung tv cant turn on, stand by light is on. disconnect main board from power board then screen light is on, is that the main board need to be replaced?


Most samsung sets backlights will come on with the main unhooked, its how they're built, see if you have your PSON voltage when you push the on button it should be 3,3 or 5 volts depending on the model, if it stays at 0 then its the main, if you see that voltage replace the power supply

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1. Measure the stand-By voltage if is there on the power supply, if not replace the power supply.
2. If the stand-by voltage is OK, change the main board.

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Please un-plug the cable between the main board & the power supply board, apply AC power to the TV, if the back light come on, that means the back lights & the power supply are OK, then you need to replace the main board; if the back lights does not light up, mostly the back light LED strip(s) is bad.

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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://electro-medical.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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It rather seems to depend on the model. I have seen Two videos on YouTube, one says it could be the LED back lighter, with a burned or shorted out LED(s). In the other it says it is the power supply board. But both were different Samsung TV's. The LED one if that looks tricky to do. If it is the power board, which I think it could be, you should be able to get the full board fairly cheap. Just be careful with the voltages when removing it, if you intend to do it yourself.
To see the Videos just type "Samsung TV blinking lights" into YouTube.

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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://electro-medical.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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1 Answer

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Samsung TV won't turn on + blinking red light (explained fix ...

? 4:03
https://www.youtube.com/watch?v=wEWzYLaKdgU
Aug 29, 2014 - Uploaded by Mysimplefix
(CC) (HD) A step-by-step repair video, showing the replacement of swollen/shorted "electrolytic capacitors ...Missing: un55fh6003fxza
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The simple answer is.

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