my rca tv shows the writing in three colors side by side, r,g and blue. also the picture i discribe rainbowee. i there a way that the colors could be aligned, what should i look for?
your response is appreciated.
The problem is probably the convergence power supply.The switching power supply chip on the convergence board will burn out, producing a rounded picture with 3 separate colors. The chip is a long, heat-sinked SIP (single-in-line package) located on the convergence board. You can find replacements on ebay.
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By poor color quality, do you mean that if you turn the color control all the way down, the black and white picture is more like black and red, green or blue - or do you have a good black and white image? If the B&W image is good, and the TV is an old (8+ years) one, maybe the mirror inside the set needs a good cleaning - especially if there are smokers in the room. If you have a B&W picture that is tinted, then you may have to go into a service menu to adjust it back to a better picture. Hard to guess the problem without more specific description of symptoms.
If the red haze is not convergence---that requires parts.
The set has three picture tubes---with set unplugged and back cover removed clean the three large lens that are topside---as for the red haze a quick way to know what is wrong is with set on turn the color to zero----what color is the screen? Should be black and white--if red to some degree tracking or screen controls may need adjusting inside the set---Yellow picture in that situation is a different issue.
What you most likely have is a convergence problem.The convergence circuitry is used to align your colors. What you describe sounds like that circuit has failed. Here’s a link to a decent video that will give you an idea of what is needed to fix it: http://www.youtube.com/watch?v=S6Wa8FvSz-s
Hello Paul. I have this same monitor, but rebranded, Access the service menu with the remote control:
With user’s RC 1. Power TV On 2. Press Menu button and call up User OSD Menu 3. Select Sound-> Balance 4. When Balance value is “0”,Enter 0->5->3 ->2 in sequence. Note: If necessary, re-do number keys. 5. Factory OSD appears. 6. Press the standby button then AC turn off and restart the TV, which can exit factory OSD menu.
Now you will be able to change the values for Red Green and Blue channels. I also hated this TV, but after adjusting the colors it's looking great! Hope you could fix it too! :)
If you have not already done so go into the picture menu and set the convergence. The convergence is the angle at which the three picture tubes meat at a given distance. The tv will have at least 3 and up to 64 convergence points, and those 64 can be set for all three colors. This can be tiresome but I'll be it will solve your problem. What your trying to do is get the color in the cross-hair so you cannot see the color behind the target. On top of the fine setting for each point and color you will probably have 3 gross adujustments for blue and green and maybe red. These adjustments will affect positioning, like what you are discribing. You should do this at least every month, the thermal cycleing of the lamps is what will cause this to creep out of adjustment.
This is what is known as convergence. a projection tube ussally has three picture tubes.. red green blue. they all have to align. the concave picture indicates complete loss of convergence or convegence power supply. First question on these sets Do you have the convergence option in the customer menu under setup. if you do not this is a indication of the common "FL231 fuse problem" and inexpensive simple repair. I have wrote and artilcle on this under my tips and trick section. If you do have the option then next does autoconvergence work. in you case i would not think it work. under blue and red manual convergence does the crosshairs move. if not then this is indication of convergence power supply board. if they move at all this may indicate a convergence amplifer problem.
take the front speaker cover off, then remove the four screws on the cover behind it. you will see a 2"x2" black thing with 6 controls on it 3 on top three on bottom, your looking for "screen". they should also be marked r g and b, try turning the blue down (counterclockwise). it may help a little and prolong the life of your tv