Question about Samsung LN46D630 LCD TV

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Samsung LN46D630 Wont turn on

I changed out the power supply board and it still wont turn on. It is only showing the red light on front of panel over the power button, but nothing else. So I know its getting power just wont turn on. If anyone could help I would greatly appreciate it.

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LN40C530F1FXZA LCD Plug-in:redlight in front is ON (stend-by mode).
Press on/off on remote to turn TV on:red-light comes OFFand ON 5 times
and stays OFF.Press again remote button:red-light comes ON and then OFF.I changed power supply board and it still doesn't come on.
If anyone could help I would greatly appreciate it.

Posted on Mar 02, 2013

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Http://www.tvrepairdoctor.com

Posted on Nov 24, 2012

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Posted on Jan 02, 2017

SOURCE: my samsung tv wont turn on, red light keeps flashing on the front.

i had this with my samsung and my mums instead of pressing red power button press either switch from analog tv to digital button or just press a number

Posted on Sep 03, 2008

  • 1 Answer

SOURCE: Samsung flat screen wont turn on red light just flashes..

wont turn on red light just flashes?
On my samsung flat screen tv when you are watching the televison there is no red light on the power button but when you turn the television off the red light stays on all the time? what can I do to turn this light off?

Posted on Oct 29, 2008

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SOURCE: wont turn on

The power supply board has been defected. Replace it with a new one.

Posted on Aug 18, 2009

toddthetvmd
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SOURCE: my samsung plasma tv went out and it just makes a

It was not your power board, Thought the same on several repairs.Found out it was the main board. The clicking was the tuner relay. I bet you own a SP-R4232. If so,The part you need is BN41-00574A. Also might be under BN94-00669A. Hard to find. Try Shop Jimmy/Or Encompass Parts. Not cheep tho. Hope this info helps.
Have a happy new year. Todd

Posted on Jan 01, 2010

  • 6 Answers

SOURCE: No Video on Samsung HPT5054

It's a pretty common problem. The no picture but sound problem is usually the y board. I've replaced 2 on mine now. The 680uf 35V capacitors usually are bulging because one of the power transistors went and took them out. This has happened to both of the y boards I had. One time the failing y board took out the buffer boards too, and once it did not. The fix is super simple and anyone with even the most rudimentary knowledge of computers or electronics can do the labor yourself. You should do the simple stuff first by just doing a quick test with a multimeter. Just check the power coming to the y board. After that you can just remove the y board by removing 3 cables and like 3 screws. Plug in the new board and it's done! You can source the parts from a place like shopjimmy or discount merchant. 3 boards were like 200 bucks. 1 board is like 100 bucks. Labor took me 15min. Think about that the next time an electronics repair place charges you 1000 dollars. Of course they check everything (Yeah right) and warranty their work (I don't) but if you check the service manual it states that this is the most common repair. Look for the Canadian manual online. Hope this helps!

Posted on Feb 23, 2010

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