Question about Samsung 43 PN43D450A2D Plasma TV
The pixels in the middle of the screen seem to break down/discolor with white/light colored images.
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Posted on Jan 02, 2017
I have posted this in other areas and it appears to be a diffusion problem meaning the panel needs an electrical adjustment and can be done by a technician or you if you dare. Depends on how handy with electronics you are. But there are some adjustments you can do to minimize or remove these red or blue pixels firing randomly. Try adjusting V-SUS, V-SET, and check all other ones. VE, VS, VA, and see what happens. Write all voltages down first then go tweeking. I do have a bulletin here that states exactly what to do, I just have to find it. Let me know if you have any luck with this procedure first. Oh Yea, make sure you use the internal generator, the wipe screen from black to white so as to see both at the same time while adjusting the picture. It helps to have it on the stand when doing this procedure. Let me know if i can be of anymore assistance. Cheers. Jay
Posted on Jan 31, 2008
SOURCE: Samsung TV flickering image
You seem to have what is called error diffusion. Either call samsung about it and arange service or do it on samsung.com. What kind of warranty do you have? Depending on your date of purchase you might be able to get samsung to help cover it or pay for it all.
Posted on Mar 09, 2008
Wow, I've been an installer and salesman in the consumer electronics industry since before the first plasma TV came out (Phillips 42" and Fujitsu 42" in 1996) and this is the first time I've ever seen that kind of an answer. "Take this to a repairman and he can add more plasma" what is the repairman a doctor. If it were that easy no one would ever have to upgrade or replace their screens. You can't add more plasma to a screen, if you don't believe me call Samsung and ask them for yourself like I did. I was actually so dumbfounded by your answer that I called a tech friend of mine at Samsung and asked him, his answer; "does this guy work for you?" I told him no and he said, "I was going to tell you to fire him because that's the dumbest thing I've ever heard anyone tell a customer".
What you need to do is take you plasma TV to an AUTHORIZED Samsung dealer/repair shop and inquire about the hazing/ghosting problem with them. Follow this link to find an authorized repair center near you: http://www.samsung.com/us/support/repairlocation/serviceLocator.do?group=&type=&subtype=&model_nm=HP-R4262&dType=D&mType=UM&vType=R&prd_ia_cd=&acc_ia_fl=&disp_nm=HP-R4262
Posted on Jun 19, 2008
The pink fuzzies come from a faulty Ymain. If you are looking at the set with the back off, its the largest board on the left side. Get the part number from the board and replace that one first. You may have to check the buffers or the logic board if this doesn't solve the problem but 9 times out of 10 when the picture is firing random pixels, its due to an overload in the Ymain (also called the YSUS).
Posted on Mar 23, 2009
Something is wrong with your logic board, you've got the option of returning this TV if it's still under warranty or buying a new one.
Posted on May 03, 2011
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