Question about Gateway LCD26TV 26 in. Television

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Picture quality The TV is about 2 months old and after a couple of hours of being on a green fuzz appears over dark areas of images making it unwatchable.

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I would suggest contacting Gateway for repairs if only 2 months old.

Posted on Feb 12, 2007


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Red-striped ghost images.

Are the stripes u are talking abt look like these? If yes these are called Moiré patterns.
Here's How to fix

  • If your system has a Moiré Reduction Control similar to those in computer monitors, then you can use it to reduce or eliminate the patterns. Just make sure, you write your default settings before you change it.
  • Some folks have gotten electronic fixes (firmware or software) from TV manufacturers but results have been spotty at best.
Slightly defocusing the image via the mechanical focus of your set appears to be the best bet. This has been proven effective in various TVs. Be careful not to over do-it though so that you don't significantly degrade image sharpness.

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Samsung HL-R5688W DLP TV Screen Burn

I don't know where you got the information that burning could not happen but that is completely wrong. If it is a monitor, tube tv, LCD/LED, DLP or any other kind of viewing device it can burn. With that out of the way if the lamp warning is coming on then it is time to replace it but your image problems are deeper than that. The screen appears to be separating. By that I mean there are three layers and sometimes more depending on the manufacturer that display color. Think of it like saran wrap laired on top of each other. As they get old or of poor quality they start to separate and show some pretty funky imaging. Without the TV in my shop I most certainly cannot 100 percent say for sure that this is it but I would strongly consider this as not fixable.

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No image but good quality speaker.

Sony has had a problem in older sets with-believe it or not- lack of humidity. I had one with the same problem. If it is under warentee take it back, if not-I know it sounds insane- put a large plastic garbage bag over the turned off set. Leave it that way for a couple of days. do not turn it on during this time. After a couple of days remove the bag and turn it on. If it works-that's the problem, if it doesn't- it's dying, and to expensive to fix. Surprised the heck outta' me when I tried it on my old Sony 19" set- it worked.

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Black/Green Distortion - Picture Quality - Wharfedale

This is no solution but a point in a probable direction.

A tech guy told me ALL the LCDs they have seen in their repair shop have "swollen" capacitors, this is due to voltage instability. Lowering the internal voltage regulator and replacing the swollen capacitors (which eliminate noise) apparently restores the LCD to new working quality. Without actually "seeing" my problem the tech said that should repair it. I have not tried this yet but eventually will begin that way.

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1 Answer

Red-striped ghost images.

when you leave your TV (no matter what kind) and you leave it for long periods of time on a static image or something.. the image tends to burn in to the screen... so changing the glass would be a way to fix it.... the problem is that that kind of repairmen is more expensive and difficult than buying a new set...

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Hi there!
The knobs you refer to, are those perhaps the knobs on the board or knobs on the flyback transformer? None of these knobs should be turned. They are preset to the factory standard and if a fault occurs the fault should be addressed, not adjustments to pots. I would suggest checking all the caps in the power supply, Line stage and video section. It may also be the video processor(in the area of the tuner section). Check for caps which are rounded at the top. This is common for dark picture. Please note: There is on average about 15000V running through a TV when switched on, please be careful and unplug when changing components or refer to a repair technician. Good Luck, Jus004

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