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I have a seiki 50 inch led tv with no back lights, black screen. It does have audio and it has picture with flashlight test

I've replaced the t-con board and the main power board but I am still not getting any back lights. Is the led inverter on the other board Model SE50fy10

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  • Seiki Master
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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.

Posted on Dec 22, 2016

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Seiki SE50FY10 has sound but no picture, flashlight test shows picture. Not sure which board to replace


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://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.

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1 Answer

Model SE46FY10. Why does it have sound but no picture?


invariably the LCD backlight inverter board or the LED driver board are the usual suspects. or the T.Con board

see the video below and follow the logic of elimination process
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1 Answer

LED TV - replaced power board but still no backlight? LED backlights do not seem to work.


yes the led backlight for whatever reason is not functioning and that is the root cause of your problem. Unfortunately to find a replacement led backlight is tough as the backlight is normally fixed with the lcd panel and has to match the voltage and all that stuff with motherboard. and if that doesn't match you might short the tv itself. this case is as good as getting a replacement lcd panel.

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1 Answer

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1 Answer

Se50fy10 backlight not working


This is an exact problem that I am facing with my Seiki 50" TV. From my research, here are the probable issues:
1. Main Board/T-Con Boards are fine
2. Power Board : MIP550D-5TB could be defective - most probably the culprit. There is a power test to try but w/o schematics, it is not possible to identify component
3. If Power Board replacement does not solve, it is the backlight LED strips that are defective - tought one to replace.
Will update this thread at a later date.

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1 Answer

Why my SEIKI 50" HD TV turns on indicated by th blue light. Screen is black and no sound. Only about 2 years old.


Do the flashlight test from the video below.
I'm having similar problem, the backlight is not working, I'm trying to find how to replace/repair it.

Aug 02, 2015 | Seiki SE50FY10 50-Inch 1080p 60Hz LED HDTV...

2 Answers

No picture


If you look very close at your screen (might need flashlight here), do you see the picture as a black screen? If so, your backlight may have died on the panel. Replacing the inverter board will fix that right up unless the tube (lightbulb) has burnt out instead of the board. Both are replaceable.. Check it out.

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