Question about Samsung HP-R4252 42 in. Plasma HDTV

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My Samsung 32 in tv , bought 2 years ago has sound but no picture, can you help[?

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One of two problem.

LCD panel's inverter or power board.
need to replace on of those.

Posted on Feb 09, 2009

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Posted on Jan 02, 2017

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I have a samsung 40 tv (un40j6200afxza), backlight leds stopped working I used a flashlight to check the screen and it works decided to go with repair kit I install everything and still no backlight.


Did you do the 2 year course to become a television engineer?

This is why they can replace only the parts that need replacing and fix the set in one go.

Just because the parts are available on eBay, doesn't mean they will work, as many are pulled from scrapped televisions..

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Troubleshoot samsung lcd tv


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

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EMERSON 55 INCH TV MODEL: LF551EM5 SERIAL: DS2A1433113216


Sounds like 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://electro-medical.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.

Jan 10, 2017 | Emerson Televison & Video

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Hi my led tv UE46D500 has no picture only sound.unplug for few hours and the picture comes back.now I have this problem every day sometimes I got the picture and sumtime no picture whole day. Help pls


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 10, 2017 | Samsung UE46D5000 116.8 cm 46" 1080p...

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My lg plasma tv is cutting off the edges of the shows we are watching. I cant find a setting that will take care of it. Can you help


hmm normally these settings are found in the picture settings of the set top box or just a setting in the tv's picture settings now there might be an option to say fill screen that may work best for some or leave the tv in 16:9 some broadcasts may only be in 4:3 at times this is normal broadcasting and not much can be done unless the setting on the picture option is set to fill screen

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I have pioneer plasma tv about 6 years old. I turned the power on, sound but no picture. Do you think it is worth fixing?


no
plasma tv units consume considerable power and the latest led units don't so for the extra cost of a new unit , there will be a power saving over the years

Jan 08, 2017 | Pioneer Televison & Video

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Samsung TV Displaying Dual Images. It appears as 2 of the same images offset from each other. There are also some lines in the images. Talked to samsung and they wanted to send a tech but I simply can't...


Overlapping video signals are generally adjustments made when turning various pots on the rear circuit board. You may need the service manual to follow the directions on how to reset and stabilize the picture. If you cannot be your own technician; you have no choice or other options.

Feb 26, 2014 | Televison & Video

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