Question about Toshiba 52LX177 52 in. LCD TV

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First lost picture, shortly after lost sound. green LED light still comes on though

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Fault to its main board. Short circuited component/s at it. 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/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

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Samsung LED UA40F6400 suddenly lost picture.


The tcon board or the LCD panel is faulty. You have to replace the TCON board to confim the fault.

If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

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3 Answers

Main power problem-i guess


Could be many things related to power. Sounds to me like a short though with that tzack sound you describe. How deep are you looking to get here or just looking for a major board to replace?

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1 Answer

What should I replace on my tv. While watching the set the picture and sound went out, green power light still on though.


Fault to its main board. Short circuited component/s at it. 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/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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1 Answer

No picture or sound on my LG lcd TV, the led power light does turn on though.


Fault to its main board. Short circuited component/s at it. 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/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

Jun 22, 2015 | LG Televison & Video

1 Answer

No picture or sound. Only green LED light comes on in the front of set


there is no high voltage come in your tv .check h.out part shorted. check and replced with good one.

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1 Answer

BIG SCREEN TV WILL NOT COME ON


YOU LOST VERTICAL DEFLECTION THIS IS NOT HARD TO SOLVE

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1 Answer

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.

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