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I have a RCA big screen tv, that plays well except for the picture is blury, and the words displayed are fuzzy what causes this and is it wroth fixing thanks for any help you may be able to provide
How old is the set. im guessing from my research the set could be about 4 to 6 years old?.... this could be many things but first thing i would guess is the fluid in the tubes could be getting old..as they age the fluid grow alge and blurrs the image. also dirt and smoke tend to dirty the lens on the crt. most tv shops can change this fluid. If they do the tend to charge quit abit. our shop would charge between 250 to 400 to do this. I find this to be a rather involed repair. removeing 3 crt remove the fluid cleaning the tube and replaceing and adjusting them. so first thing is to clean the lens and the mirror
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Your convergence amplifiers are begining to malfunction. This is not expensive However I would advise that you get a qualified TV technician to work on the set due to a chance of damaging you TV if you install the amplifiers incorrectly.
You need a hdmi connector from your tv source to the TV. RCA connectors don't have the capability for HD signal transmission. You can use them for a connection but the picture will be fuzzy if trying to watch HD signal. Check your cable/dish box to see if there is a hdmi output. If so, buy a hdmi cable & that should solve your problems.
Focus and Screen. The focus control may help, just like focusing a set of binoculars or an old camera. Watch the picture on the TV, using a mirror can help and make an adjustment until the picture is as clear as you can get it. If it still is not clear it may mean that your picture tube is weak. If you can avoid it, don't touch the Screen control. If you have, let me know and I can advise you on the proper way to adjust it.
In all probability the picture is fuzzy too, its just harder to notice. This can be as simple as an adjustment in the back of the set. Carefully remove the back and look for the flyback transformer (part with large red wire coming out of the top). The should be 1 or 2 controls on it. One should be marked focus. Adjust that to get sharper focus.
Is it a fuzzy spot or an actual hard edged black spot?LCD televisions can have a loss of pixel display- most very small. Was the TV hit with something or dropped against something (the screen)?
OR Try this first:
Black box appears on the screen
• Closed-captioning might be on. Check the Analog or Digital Caption option in the Setup menu.
Please let me know if your problem is solved. Thank You.
The flicker could be caused by a bad solder connection arcing or even a bad picture tube. If you notice the screen getting drawed in from the sides as well as top and bottom it may be in the power supply regulation circuits, but the focustat around the area of the high voltage transformer could also be breaking down. If it's over about 8 years old, I would replace it with a HDTV set. Check out the latest issue of Consumer reports for ideas. (No I don't work for them-I've just seen so many people just walk into a *Mart and pick out a TV like they were choosing a box of cerial without doing a bit of research to find one that would suit them best, that I'm trying to put out a word to the wise among us).
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