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Hatachi TV. color saggging. Blue and yellow sagging on picture

Has picture behind sag. Hitachi ultrasound. 55'' approx. 6 years old

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  • ogle1225 Mar 02, 2009

    Model# 53FDX20B
    Serial# V21019413
    ID# HXW98060
    mfg 9/02
    Bow in colors...yellow sag and blue sag
    We have a picture above the sag, but not good color


  • sazzafras Mar 15, 2009

    I have the same sagging blue and yellow wave at the top of the screen. Some words are doubled and images are outlined with double lines. What do you think the problem is?



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I would say that you are having convergance problems need to know the model number of the set which is on the back of the tv then might be able to help better. Is there a bow in the colors. Like the red or blue.

Posted on Mar 01, 2009

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Sounds like a bulb fault. If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

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All the other colors are mixtures of those colors. The yellow picture indicates that your set is lacking sufficient blue drive.

First of all check to make sure that the tint control is not misadjusted.
The next thing is dependent upon the age of your television. If it's an older set that yellow tint is a sign of an aging picture tube.
If it's a newer set, less than 5 years old, have it analyzed by a electronics technician that is familiar with televisions if he is skilled enough he will know right away if it's the picture tube or not.

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The vertical height driver that controls the height of your picture has weakened and needs to be adjusted. If you are somewhat handy you can do this yourself. It requires that you gain access to back of the set & remove the cover. Once removed, locate the vertical height & centering adjustments. Sometimes they are located on the main board & other times are located on the color gun driver circuit board that is plugged into the end of the picture tube.

Respond to this post if you need additional assistance. Good luck!

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Common failure called convergence mis-alignment.Needs
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Please rate this solution...................

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1 Answer

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I believe what you have is a convergence problem and it is usually caused by two Integrated Circuits going bad which also opens up one or two resistors associated with them. Replacing the Convergence Ic'S - (Ik04 & Ik05) and Resistor Rk62 a 1.8 Ohm .5w. Metal Film type should take care of the problem. As far as costs involved, I would guess about $350-$425 to get repaired. With it only being about 4 years old, it should have that many more years left of good use for you.

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