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I'm hoping to find a Detailed set of instructions on how to Repair/Replace part #BN4400278A in my Samsung TV Model # PN58B850 I have purchased the part and want to save costly Service fees

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Posted on Jan 02, 2011

Testimonial: "Thank you for the direction on this one!! Although not the exact model, I'm moderately sure I can manage to swap whole board now ;)"

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2 Answers

How do I Repair my Samsung un46eh6000fxza tv.


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.

Apr 07, 2016 | Samsung " 46"" Class - LED - 1080p - 120Hz...

1 Answer

Samsung lcd has no power, the red power light doesn't even come on. Could this be a fuse? Power supply board? If so, where are the fuses located?


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit

Jun 06, 2011 | Samsung LN32A330 32 in. LCD TV

1 Answer

Phillips tv model 47pfl5603d/f7 power supply board need to purchase one pard number 272217100571


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit

May 30, 2011 | Philips 47PFL7403D 47 in. LCD TV

1 Answer

Samsung HP-R4272 tv has been working fine for the past 4 years. now the tv picture is blank but the power supply is ok and the audio is fine too.


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit

May 26, 2011 | Samsung HP-R4272 42 in. Plasma HDTV

1 Answer

Samsung LN406 1F 40inch 1080p lcd tv wont turn on, clicking etc, sometimes comes on fine after 15 min of clicking, now turns on after clicking but only sound no picture. Can I fix capacitors and power...


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Apr 29, 2011 | Samsung LN-T4061F 40 in. LCD HDTV

1 Answer

My samsung plasma T-4254 has clicking prablem


This is a common problem an a failry easy DIY fix.

Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Note: This particular model also has one additional step to perform besides the capacitors to fix it properly. There is some loose solder on a few parts that you will need to redo. So if you get a kit from Tv Repair Kits send them a remider that you have the HP-T4254 model so that you need the info on the other step.

Apr 28, 2011 | Samsung HP-T4254 42 in. Plasma Television

1 Answer

I HAVE A Samsung LN52A650A LCD TV, THE PROBLEM THAT I HAVE IS THAT IT DOESN'T TURN ON. DOES AS IF IT'S GOING TO TURN ON, BUT IT DOESN'T. THANKS FOR ANY HELP.


This is a common problem an a failry easy DIY fix.

Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Note: This particular model also has one additional step to perform besides the capacitors to fix it properly. There is some loose solder on a few parts that you will need to redo. So if you get a kit from Tv Repair Kits send them a remider that you have the HP-T4254 model so that you need the info on the other step.

Feb 17, 2011 | Samsung LN52A650A LCD TV

1 Answer

What is the exact serial number for the Samsung Plasma PN58b860 HDTV?


THE EXACT SERIAL NUMBER IS WRITEN ON THE TV ON THE SIDE THERES A SMALL STIKER WITH MODEL CODE ANDSERIAL NUMBER

Jun 22, 2010 | Samsung PN58B850 Plasma TV

5 Answers

TV shuts off by itself


My first guess is bad connections on the Power supply board or inverter board. Hard sometimes for even a tech to find.

Apr 10, 2009 | Samsung LN46A650 46 in. LCD HDTV

1 Answer

How to replace the frony glass on a 50" samsung tv


The cost will depend upon the model of the set. I would suggest that you purchase the service manual which will contain all of the specific instructions on how to replace the glass. You can find this using the model number and the keyword "manual".
Dan

Mar 17, 2008 | Samsung HP-R5072 50 in. Plasma HDTV

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