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I have a samsung UN46EH-5000F led tv. The power supply(BN44-00497A)went out.i have several used samsung tv's. Is there a comparable power supply i could use?

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6ya6ya
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Posted on Jan 02, 2017

  • 257 Answers

SOURCE: TV will not power on.

I guess your TV is DLP.
Please notice the follow symthoms:
When you on TV, did you hear some strange noise from the back of the TV. If yes, the color wheel needs replacing.
If no, check the lamp. Take a look to bottom of lamp, you will see white pot or sometime a pop up there due to lamp cycle is going to end. When changing lamp, check the ballast and power sup, too. If you see caps are poping up. Pull out those board and replace the poped caps.

Posted on Aug 13, 2009

  • 102 Answers

SOURCE: No power, red led doesn't light. Power cord is

Manufactureres usually keep their schematics to themselves however you may be able to contact them to purchase a new power supply.

Posted on Feb 01, 2010

SD Tech
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SOURCE: samsung plasma tv orange led

The set has a power supply circuit board INSIDE that needs to be looked at (not the power cord itself) and if bad replaced.

Posted on Dec 08, 2012

  • 128 Answers

SOURCE: Samsung tv un50eh6000fxza...has standby power but some times takes several tries to start. When it starts led flashes 6 times. When it wont start led flashes 2 times after 15sec from pressing power.

This is usually caused by some tubular capacitors that have gone bad. You can tell visually by the fact that the bad ones have started to swell up. You can check the value for voltage and microfarads and buy replacements at Radio Shack or similar electronics store. While the microfarad capacity has to be the same, the voltage can be the same or higher.

Posted on Mar 09, 2015

Testimonial: "The caps look ok and test ok i think in board. But I'm not sure about the possible error code flashing at standby led and i can find no info on a error codes for this model."

claudeinmo
  • 9098 Answers

SOURCE: How do I fix my Samsung 40 LED TV that has sound but no picture?

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Posted on Oct 16, 2015

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1 Answer

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.

Aug 11, 2017 | Samsung Televison & Video

3 Answers

I have an LG 47LN522-UB LED TV that stopped working after three years and need help diagnosing a problem with it.


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/ 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 26, 2017 | LG Televison & Video

1 Answer

I have a problem with some leds on a Samsung UN55D6050TFXZA TV, what is wrong?


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/
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

Aug 14, 2015 | Samsung UN55D6050 55 LED-LCD 1080p HDTV

1 Answer

Samsung Plasma won't power on


this is not a capacitor problem. set is only 18 months old - has something to do with x y sustain boards not allowing smps to power on the high voltages.

May 27, 2013 | Samsung Televison & Video

1 Answer

Samsung 1080 picture glitching on model # HL61A750a1fx2c Versionre01


If it's all colors (Red, Blue, Green) doing the same thing at the same time, there are (unfortunately) multiple possibilities:

1) the AC to DC power supplies
2) the LED Driver Board
3) DLP driver, or DLP itself

The most likely problem is the DC-DC power supplies, which are known to have capacitors that go bad after several years of operation.

Due to this, there are many sources for either re-capacitor kits (DIY), or rebuilt power supplies with upgraded capacitors.

WARNING - Dangerous, and even lethal voltages are present inside your TV set. Do not attempt this unless you are trained in these kinds of repairs. Leave the TV unplugged for several hours (or preferably a full day) before attempting such.

DIAGNOSIS for bad capacitors: If you inspect the large capacitors on the power supply boards, and they are not totally FLAT across the top surface (if bulged at all), then you need a new power supply or new cap's. Likewise, if there is any leakage from the capacitors (usually a light-yellowish crusty appearing substance), they are BAD.

Sub-power supply:
BP96-01726B ASSY PCB P-SMPS Aquamarin,LED DLP TV,DC2

Main power supply:
BP44-01001A SMPS-DLP TV PN082DPS-VF(A),AC/DC,90V-132

A quick Google search for these part number (BP96-01726B & BP44-01001A) will reveal many sources, and pictures to verify it's what your set has.

1_12_2013_7_27_32_pm.jpg1_12_2013_7_27_48_pm.jpg

Jan 12, 2013 | Samsung HL61A750A 61" HDTV

1 Answer

Samsung plasma tv orange led


The set has a power supply circuit board INSIDE that needs to be looked at (not the power cord itself) and if bad replaced.

Dec 08, 2012 | Samsung Televison & Video

1 Answer

The tv went black no sound or picture. We


U have a solid green light from the LED power light indicator right?U have this DLP tv for awhile like two or three years,and use it alots right?Never change the lamp and the ballast right?Change the lamp and the ballast should solved ur problems.

Apr 01, 2010 | Samsung HLR5067WX 50" Rear Projection HDTV

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