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Hey i have a toshiba 46l5200u with the flickering and going dark screen and im trying to find the jp63a whit connector on the main board but just dont see it

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Flickering can be adjusted. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Search the site with the keyword 'Flickering". Type in Flickering in the search box at the top right of the display window. It will make search easy.

Posted on May 03, 2015

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circuitworld
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SOURCE: LCD tv main/digital board

Send it to us and we will refurbish the board.....

e-mail me....circuitworld@comcast.net


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The back light is beginning to fail, thats why it goes shaded but you can still the picture on one side, do a google search for back lights for your make and model, there a few how to's to help you with changing the back light.

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To solve this type of problem, you need a piece of white chalk. Draw a line around the area where the set is at. Call a priest - and lay the poor thing to rest!!!! This isn't the first time Samsung has "dropped" junk onto its' customers. Their dvd players also had problems with their DSP I.C.s that would over heat and cause the video playbacks to "break up". Don't waste any more time or money on the product!!!!!

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gopakumarg43
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SOURCE: How do you change a backlight inverter board on a Toshiba 46L5200U TV?

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Posted on Dec 02, 2014

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I have a Toshiba 46l5200u that the backlight flickers and shuts off after about 15 secs.the set continues to run with backlight as long as no signal is applied to set


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.

Jan 03, 2017 | Televison & Video

1 Answer

What Circuit board is needed to fix this 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.

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Akai PDP42Z5TA turns on but dark screen, no sound, keypad/remote cannot change and cannot turn off. Whats wrong?


Fault with main board. Contact any service technician; or the authorized service center. 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/

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jerry.nelson.nj@comcast.net

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Had the same problem myself. Took some doing but I managed to find a service bulletin that I downloaded. The problem is with the siene module and all you need to do is unplug connector JP63A from the main board and your TV will work again.
Take the back off the TV (there are a lot of screws) and look on the left hand side of the main circuit board that is mounted in the center of the TV. You will see a small white connector that is labelled JP63A, simply unplug it. Plug the TV back in and let it reboot. That's it, should be able to watch immediately.

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