I have a 37' inch proview 3200 LCD TV and there is a black light mark that runs in the middle of the tv. Is this problem repairable and what is causing it. We have called repair places and they want money upfront just to tell us IF they can repair it. I don't want to get taken for my money and then they tell me its not repairable or that its ALOT of money. Please help. Thanks,Angie
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Re: Black mark in center of TV
If you have any vertical lines appearing in a LCD flat panel TV, you are looking a defect in the panel itself. If you no longer have any kind of warranty you are best to watch the TV as is and save your money towards a new TV as the LCD panels will cost in most cases twice the amount that you paid for the TV brand new.
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1: be sure that you have selected the correct input on your tv, there should be a button on the remote saying "input" or "source" 2: be sure the source is turned on and that the wires coming from the source are in the "output" receptacles and that on the tv they are on "input" receptacles. 3: it may be possible that one input is damaged or malfuncioning, try switching to a different input (example: from "Video 1 to Video 2, or HDMI 1 to HDMI 2). check the contrast settings on your tv, it may be set so dark that you cannot see well
I just fixed my proview 3200 that doesn't have picture but with sound.
First, thanks for the tips I got from this forum. I checked the 24v from the power supply board and that's perfectly working fine. I then check the fuses in the Inverter board. There are 4 white fuses (2amp I guess, i cant remember) and 1 black fuse (1amp/76v just behind the wire connector going to the power supply board). The black fuse is the one that blown out on my tv. This fuse supplies power to the LM358A IC. I know its not right but I just solder a thin piece of wire to short circuit this fuse. I'm lazy to drive to RadioShack to find this fuse. :)
....and that worked beautifully. Check the picture attached for what I did.
Pat I do not know if you have a warranty you were required to retain the receipt from the store for the length of the warranty period to prove you have one ,also it is a good idea to register with the company on their website so they have a record of your tv and model, with your name and therefore the warranty they have included if any.LCD tv's are one of the most unsupported mass marketing consumer items that are being dumped on the US market. I think you have Blown capacitors, or more likely a problem with the power board, typically this requires soldering new capacitors onto the power board after unsoldering the blow ones and if this is all the problem is the issue will disappear, if there is an issue with a transformer, or some diode or computer chip then you might as well replace the whole power board. the capacitor issue is no big deal if you can get an electronics service center to look at the problem.
I am getting a black cloudy mark on the right side of the screen. It's not even on the part where a Wide screen picture would be, it starts at the wide screen area and gets darker going to the left towards the center. The TV is just over a year old. It's Wal-mart POS Ilo brand.