Question about Hisense 50 Class LED HDTV - 1080p, 1920x 1080, 120Hz, 3x HDMI - LTDN50K360GUS - LTDN50K360GUS

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Just put a new motherboard in a HISENSE 50 inch tv, it still has no picture. Only sound. I ordered a new motherboard and installed it a few days ago

I used a 172141 main board for the Hisense 50 inch tv.

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In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
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 Nov 17, 2015

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My Hisense tv led 50 inch don't show picture only volume.


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 digital board.//

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Measurements of hisence 50 inch 4K tv


From Best Buy's site I found this 50" 4k HiSense TV

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I have a hisense 40 inch tv model number 50k23dg that the light blinks 8 times and don't tern on


Any more than 5 blinks are problems on the main board. It indicates a failure during P.O.S.T. (power on self test) This problem is a "fatal error" and cannot be reset, the board is indicating a fault on the board itself.

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My Hisense 50 inch smart tv will not turn on. Power light shuts off when I hit the power button but my screen is black.


The main power supply regulator section circuit fault. 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. 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.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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Have a 55 inch hisense smart tv with colo bar running accross bottom


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1 Answer

Tv froze while watching movies.cant use source button.


Fault at its main digital 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://electro-medical.blogspot.com/
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

I have a 50 inch Hisense TV and the picture went out but I'm still receiving sound.... Can you please help me with a fix for the problem?


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Unplug tv, disconnect from cable box, satellite box, any receivers.
Also turn power off to them as well.
Connect everything back and turn on.

Here is a video of other generic problems that can go wrong on any
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