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Heloo .. i have a problem with my tv .. the led is working but the screen not .. why ?

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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

My LED LG TV 32 inch is not diplaying pictures on screen but the sound is working normally. how can I fix it?


hi you may have a power supply,or the led or leds in the panel are shorted,thanks

shaun

Mar 03, 2017 | LG Televison & Video

1 Answer

50 in proscan led tv powers on then has black screen but can see screen work with flashlight


Your backlighting is no longer working.
With a LED TV it's an array of LED's that light it, in an LCD TV it's fluorescent bulbs that do the backlighting.
There's a chance it's the power supply board that's bad, unfortunately, it could also be the backlighting itself.
You'll need an expert to look at it to make that determination.
If you don't know Electronics, don't open it up yourself! There are hazardous voltages even in flat screen TVs. The hazardous voltages are there even when the unit is unplugged!

Jul 17, 2016 | Proscan Televison & Video

1 Answer

Blank screen, led lights flashes for a while and thn all three flash. also cannot turn off at tv or with remote. have to unplug


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Samsung ElectronicsFeb 24, 2011 - Click here if the screen is blank and one or more of the LED lights on the front of the TV are on or are flashing.

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Jan 19, 2016 | Samsung HL67A750 67 in. TV

1 Answer

LG LED tv black screen


led light under screen is not glowing,,check led lights or its related circuit

Dec 28, 2015 | LG 50LN5750 50-inch Widescreen Smart LED...

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How to fix vizio tv that turns on but no picture


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Dec 10, 2015 | Vizio M3D650SV 65 inch Class Theater 3D...

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LED screen comes on and goes black


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Dec 09, 2015 | LG 47LS4500

1 Answer

Is sony klv32-a400a is a led or lcd tv


An LED TV is still an LCD TV, just with LED backlighting. That model is an LCD TV. The difference is in the backlight. Both LED and LCD TVs use an LCD screen. LED TVs have LED backlighting of the LCD screen, which saves energy.

Nov 04, 2013 | Sony KLV32S400A 32 in. LCD TV

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