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These procedures are from the owners manual, go into menu and then picture quality and then:
The Convergence feature lets you adjust the TV’s three tubes. When the TV tubes’
images are precisely aligned, they create the color images you see on the screen.
Over time, the picture can drift out of alignment (this is normal). If your picture
seems fuzzy or has a yellow tint, using Convergence could correct this
misalignment. Only one convergence is needed for all inputs, regardless of the
Note: Make sure the TV has been on for at least 30 minutes (TV needs to
warm up for best results) before starting Auto Converge or Red/Blue
When you select the Convergence feature, a submenu appears with three options:
Auto Converge Automatically aligns the projection lenses to self-correct
color images. You’ll see flashing squares of color dance across the screen
(this is normal).
Note: After performing auto convergence, use the Blue Centering and
Red Centering menus to fine tune convergence in the center of the
screen, if necessary.
Blue Centering Aligns the blue and green images to fine-tune the picture.
Red Centering Aligns the red and green images to fine-tune the picture.
Note: The ability to change channels is disabled when adjusting the
convergence options. The TV must be tuned to a usable signal to
converge the picture.
The color image is comprised of three colors, Red, Green, and Blue. 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.
If you are using the red,green and blue component inputs, check to make sure the red and blue ones are connected good and none of the jacks are loose. If not there is a problem with either the DVD player or the TV. Hard to say. Thanks
If you can get the tv to display the blue blackground(usually happens when there is no antenna or cable feed to tv) check to see if the whole screen is a solid blue, if it shows discolored areas around the screen then you might have to "demag" the screen. See if you can rent a demad coil from a tv shop and with tv on turn the coil in circular movements all over the front of screen till blue is solid.good luck!
Pls do not jump to hasty conclusions! 'Electron guns'do not break!
It could be a simple problem like a faulty CRT base! Or perhaps the Blue Output Transistor is faulty!
First ask a good technician to have a look.
If he confirms that the Blue Cathode is faulty, then I advise that you get a new set.