Question about Samsung HP-R5052 50 in. Plasma HDTV

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Voltage adjustment? hello,i was reading your respone to a question regarding red pixles in the dark area's or outlines of objects on the screen of a samsung plasma hpr5052.You recomended a voltage adjustment.Is this something i can do or should i leave it to the pros? Thanks for the help doug

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You better to let pros doing.

Posted on Feb 06, 2009

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My samsung lcd tv has discoloration. Itd mostly yellow, but when eatching a show it look dark red with outlines of people being green and purple. It also pulses after being on for an amount of time.


If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Oct 31, 2016 | Samsung Televison & Video

1 Answer

Have red in dark areas and on side of objects and faces this is a Lcd TV sony kdl 40x2000


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

May 21, 2016 | Sony Televison & Video

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Red dots on Samsung 51 inch plasma


Usually either the main board or the power board--if set is 6 months old---no warranty?

Mar 18, 2012 | Televison & Video

1 Answer

I occasionally get flickering red dots on areas of the screen. Normally when the screen goes from bright to dark colours. Model: Samsung: PS50B451B2WXXU


sorry to tell u but u may have a bad panel , also u can try to replace the Y-sub board , this board is located on the left side of ur tv , left side when u look the tv from the back not from the front

Nov 02, 2010 | Samsung PS42P2S 42 in. Plasma Television

1 Answer

Hello, why does my plasma tv have thousands of red and green flashing dots all over the dark parts of screen after it has been on for roughly half an hour? if i turn tv off for a while then turn back on...


I had a similar problem but mine was just red specks that showed up in dark scenes. I opened up my plasma and found the adjustment pots that are labeled Vsc, Vy. I then marked the factory default with a sharpie first. Then I lowered the Vy a little and my red specks disappeared. Now my tv looks awsome again like it was new.

May 10, 2010 | Samsung DLP HL-P5663W 56" TV

1 Answer

Red Dots


This is know as diffusion. You will need to locate the Vs adjustment inside the TV and vary it up and down by NO MORE THAN 10 volts. If this does not correct the problem then you will need to replace the Plasma panel.

Aug 14, 2009 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

NEED HELP


This is called diffusion, it is caused when the power supply voltages do not match what the plasma panel requires. Unfortunantly this is not something you should do yourself, high voltage danger and possible damage to the tv if you are not very experienced with this repair. A technician can however read the voltages and adjust them to specifications and this will get rid of the dreaded red dot diffusion. Very common in samsungs but not that expensive of a repair. Hope this helps.

Mar 27, 2008 | Samsung HP-R4252 42 in. Plasma HDTV

4 Answers

Samsung plasma PS42D5S


You need to adjust the panel voltages, adjust the VS voltage to around 186 volts, if that doesn't change it then adjust the V-Scan voltage down, turn the unit on and apply a video source to it, and while adjusting the voltages look at the screen and you should be abe to watch the video noise fade out.

Dec 14, 2006 | Samsung PS42P2S 42 in. Plasma Television

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