Question about Akai CF2791 27" TV

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Zenith TV is Going Blurry

My Zenith is older.. and it is blurry but then it gets better when something bright flashes on the screen...

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Re: Zenith TV is Going Blurry

A Zenith model # would be helpful and mo/yr built on sticker on back.Problem sounds like bad pix tube.

Posted on Oct 05, 2007

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Zenith tv is blurry

There are two adjustments on your flyback. If there is not an access in the back of the set to turn the adjustments then you need to take the back off of the tv. One adjustment is for brightness and the other is your focus. Just slowy turn the adjustment right or left until the picture gets clearer and your done.

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I have owned an emerson tv for two years now. All of a sudden the picture has become very blurry and white. It is not the cable connection and a DVD is also white and blurry. Even the input channels are...

you must open the back cover of tv, and then things you should do is set "SCREEN" adjustment on the flyback transformer. you must turn it counterclockwise to reduce and decrease the level of screen brightness. turn screen adjustment gradually until the horizontal blanking lines disappear from the screen. and blurred images will be sharp again

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There is internal elignment with the guns on the projection unit. They come loose. TV guy time

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Inside of tv there is a focus knob that you can adjust on circuit board on bottom inside .

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I have had this problem before and restarting the reciever fixed it. Just push the red button under the front panel of your reciever, or unplug the reciever for a minute or so.

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It may need a focus adjustment or the CRT socket needs to be replaced. Look in from the inside for this parts.

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1 Answer

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blurry picture is mainly due to focusing voltage is not proper. solution 1 check & adjust focus control on flyback. 2 check crt base for loose. 3 wire going to focus control on crt base got disconnected due to foreign materials deposit on it. 4 if tv is old possibility of crt getting weak.

Sep 20, 2007 | Akai CF2791 27" TV

1 Answer

Screen goes from blurry to clear to blurry

The first thing to check is for loose conections,the problem is related to the high voltage but it can start in the main board with one component loose,when the high voltage is developed it goes to what is call the distributor block,a lot of sets have the focus and screen controls coming out of this block for each picture tube,this block might be bad but before we go to him we need to check everything is solid in the main board.If you are familiar with electronics you can remove the back cover and tap the chassis with a wooden or rubber handle to see if the set reacts,if it does you need to be atentive what area makes it react and flip the board to do some resoldering,If you are not too familiar with tv service you need the assistance from a servicer.Let Us know how it goes or if you need more information.

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1 Answer

Help: My tv picture has started going blurry

The picture tube is going bad,not worth repairing,better invest in a new set. The rating response is important to the person helping you.

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8 Answers

Blurry tv

Sounds like theres a leaky capacitor in the screen drive circuit. I have seen this problem also be a gassy crt but was able to clean off the grids of the CRT with a crt/rejuvinator. It happens because of low emmissions in the tube and when white is on thats a mix of all the colors, so the tube works harder. I bet when you whatch a movie and the scene changes suddenly to a white or brite scene the pic looks a little washed out. If this is not the case then I aggree with the Pravin and try it on another TV just to be sure .. This is not a repair for a consumer to do, though however it is only a three year old set you stated, so there should be life left in the tube, so im kinda thinking a capacitor is bad. Seek out a yechnician to check this out for you as a TV is not a place to see it you can fix it or to exoeeriment with. Good Luck

Jul 26, 2006 | Toshiba 36A40 36" TV

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