I am going to buy this model. can you tell me if this is a good product or do they have lots of problems.no shops will give screen burn in their guarantees and this worries me a bit. thank you from kathleen sweeney,glasgow
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Re: samsung ps42a457 42" plasma tv
Screen burn in will only occur if you keep the same image for an extended period of time. This can be cleared if you send a pure white image to the set until the "burn" is cleared. In normal home usage, burnin is not a problem unless the set is used for gaming all day. No manufacturer will replace a panel due to burnin. Burnin should not be a consideration when selecting a set.
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No,don't buy plasma tvs any tvs make or tvs brand.Don't buy any kind of tvs using plasma gas as for plasma screen panel as a power sourced if u play major hours of gaming on the plasma tvs,u will still have thermal expansion problems but less.Plasma tvs still have major problems,with screen BURN IN problems though.
This model is nortorious for Y-sustain board failure, replace the Y-sustain board and you should be good to go. The Y-sustain board is the one while standing with back off the set is the board on the left side of the television.
this could be a problem with the power supply in the tv, it is common especially on some Samsungs
and specific repair kits are available quite cheaply if you have good
Usually this is caused by capacitors that have
dried up and split, you can normally tell as the capacitors are bulging
on the pcb, you can get them in a kit as I said eBay sometimes do them
or you can buy them indivually from a good electronics components
supplier, make sure you get the correct values for each!! marked on the
side of the capacitors in xx/x V, xxx/x uF and 105oC. (the x's represent numbers)
below shows the type of theing that happens, the brown ones are
bulging/split on the top whereas the black one is fine.
High Voltages can exist in these sets, never attempt anything while plugged in and if in doubt do not attempt it yourself and seek the advice of a qualified TV Technician.
On a plasma that usually means a problem in the power sections. You should be able to get an estimate from a repair shop or Samsung repair depot. On that size of tv it should be cheaper to repair than replace unless it is several years old. Usually on a smaller tv just out of warrenty the cost to repair is worth more than just going out and buying a new tv.
As long as you know your replacement cost and get an estimate you will come out on top.
I as a technician that repairs LG,Sony,Hitachi,Mitsubishi,Samsung ,etc..Have found that LG is the one brand that I have nothing bad to say about.I love working on their products and they have the best support for technicians compared to all other brands.You as a customer can benifit from this because of the vast knowledge that technicians will have if you were to have a problem.As I stated I work on all brands in warranty and out and LG parts are cheaper than most.On the other hand you may buy another brand only to findout it was made by LG. Philips,Toshiba,are examples of this some of their units are made by LG,And chances are 50% of the Plasmas on the market contain LG made plasma panels.Good luck hope this helps.
Onece the plasma heats up it shrinks a little, i think the cause is that you are low on plasma, so when i heats it shrinks and since the plasma cycles, the area low on plasma wil move slowly around the screen, take this to a repairman and more plasma can be added to it.