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I have a 60" plasma tv and I had replaced a couple capacitors on the sub power board. The tv worked fine and then it went fuzzy with a darker discolored screen. I have tested the x and y boards, all voltages ok. Fuses all ok. No visible bad capacitors . I haven't messed with the control board at all. But there are really small led lights o. The back there are 4 in a row and one off by itself. One of the four have now gone out? Is that an indicator for anything?

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If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Posted on Nov 16, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: ESA 42" plasma tv not turning on

I have a 42 inch plasma and I was watching tv last night on it and suddenly it turned off on it's own. I tried turning it off and on and nothing happened. Then I tried to unplug it and replug it and nothing. My remote does not work either. Anyone know what exactly happened? Did my screen blow or what? I hardly ever use the tv and I only had it on from 8:30 p.m. - 10:20 p.m. and it turned off. All the other tv's in my house worked fine - I checked them. Also, my dvd player and cable box is on the same power cord and both of them work. Any solutions or help would be most appreciated!!! Does it just need to cool down or did I burn something out? Help!!!

Posted on Nov 13, 2008

  • 286 Answers

SOURCE: viewsonic n3251w - no power

A lot of TVs are having their power boards go bad due to a poor brand of capacitor (CapXon usually).

If small problems are noticed with the tv, the solution is to replace the capacitors. However, once the TV gets to the point where there is no power at all any more (not even a stand-by light) then the power supply has to be replaced.

Visit Viewsonic's website or call your local Viewsonic repair shop to get a price on this board. They are usually under $100.

Posted on Nov 26, 2008

javswr
  • 44 Answers

SOURCE: No Picture & No sound. Red LED, Green LED, Red LED.

If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.

Posted on Feb 28, 2009

  • 1 Answer

SOURCE: RE: Dell W4201C

i have a Dell W4201C ,the picture Dims or picture blinks when channel changes

Posted on Jul 03, 2009

CAYPIANAN
  • 227 Answers

SOURCE: Philips 42PF7320A/37 blinking red light

hello, amigo if the all the caps are godd then you have to replace the power supply board. don't try to fix it this is not an easy task. you are looking at almost $200.00 with tax an shipping. just go to google and type your tv model # and ask for the power supply board or just look for the part# on the board itself. good luck

Posted on Jul 29, 2009

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Samsung TV plasma 60" just quit working while watching it PN60E6500EF it look at the capacitors all are fine any ideas ?


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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1 Answer

I have a 65" lg plasma tv and I recently replaced s few capacitors that were bad and the tv worked beautifully, yesteddy morning I was watching and suddenly the tv went dim and fuzzy like snow but I still...


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
After replacement of the power board, Va&VS voltages are to be set according to the silk screen; can be located at the display panel, and it is a must for plasma displays.

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1 Answer

LG60PC1D-UE TV will not turn on.


Hello
If you have the new power supply board, just replace it. But 1901 and 1801 looks different to each other.This is the picture of the 1901.An this board the sub power board.2_11_2012_10_30_19_am.jpgThis is the picture of 1801. Both boards are entirely different to each other. How can it be repalced? 2_11_2012_10_33_23_am.jpg

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1 Answer

My TV can't turn on and getting clicking sounds...help please!!!


I have a Samsung Plasma PN50A450 and one night the TV turned off and the result of trying to turn it back on was simply the set trying to turn on, making a click sound and nothing happened. I pulled the back off, and attempted the capacitor fix that is well documented on the Samsung LCD TVs. I did have a swelled capacitor that I replaced and also replaced the other capacitors that were the same Microfarad rating, temp and voltage which were replaced in a popular UTube video. That did not solve my problem, so I went onto Ebay and bought an entirely new power board for 69.00 plus 14.99 shipping. Replacing the board took about 3 minutes. TV is now working fine and will go back up on the wall in a day or 2. Note, the power board in my TV was a BN44-00205A. That board is no longer in stock anywhere ( I believe because it has been determined to be a bad board) I replaced it with BN44-00207A. Which I suspect is the board that is being used for replacements of the bad BN44-00205A. It fixed My TV. Hope this helps you. BTW, Both power boards are listed for replacing a board in the PN50A450, but the BN44-00207A Specifically states its for a PN50A450P1D. I took a gamble that the BN4400207A would work. It did.

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TV went out over time. Sound immediately, but no picture. Loud POP noise when i changed channel. After a while it would "warm up" and would work fine. now doesnt show picture at all. In monitor mode...


Check the power supply first for bac capacitors (learn more here about bad capacitors: http://en.wikipedia.org/wiki/Capacitor_plague)
I had replaced capacitors in my, hopefully it did not cause damages to other circuits such as backlight inverter board.

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If you are certain that the capacitor is OK, there could be a different problem on the main power board or even on the sub-power board. The sub-power board should have output voltages even if the main power board is defective.

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try to check the fuse,if its broken replace with the same value.

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