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there should be 5 or 6 preset on the crt(tube) base 3 of them should adjust red /green blue in the white aera and the other 3 adjust re/ green /blue in the dark aera make these adjustment with the colour turned off.
Sad to say that this is most likley a low crt the blue gun as gone low.
If this is a CRT-based TV and it's been played most of the time, you may have a bad picture tube, especially if strong red colors bleed to the right. CRT's dim with use, unlike LCD or plasma. But it could also be trouble in the video circuits - none of this falls into the DIY category, unfortunately. High voltage involved, unless you're comfortable around it and want to try turning up the screen controls inside the TV. If you do, let me know - but "no response at all" from the external adjustments points to a more serious problem.
Try restoring all factory settings. On your remote, press the reset button twice. If that doesn't correct it, then you'll probably need a repair technician. For more info, consult your owners manual, which is also available at
# 1 above you have covergence problems ,there is a service flash from rca to fix your fault,ask your tv shop. fault # 2 above turn off the color and adjust your screen settings for a grey picture,set brightness and contrast to middle settings. # 3 fault read #1 cause if your auto focus will not correct you require service there is a harness connector that looses connection and causes several fualts on the 52" rca's you can repair the fault but if you miss the harness replacement you will do it again.
sounds to me that your picture tube needs rejuvenated.
You will need to get it done by a tech.
mechanical doesn't mean a thing when it comes to electronics.
Mechanics when working on electronics, end up costing more damage when you end up taking it to a tech.
First you can up the screen voltage, by finding the HV transformer. It has Screen and Focus control on it this it the Transformer that is in back of set and has an anode lead going to Picture tube. Come up on the screen control slowly and if the picture brightens with vertical lines then it's too high, The red problem is a small transistor that maybe located on the CRT board. It's probably shorted. There are about 3, each going to the different colors Red, Blue, Green.
do you happen to have any speakers of any size within about 3 feet in any direction of the tv??
move them if so,
I have large speakers about 5 feet from my tv at home and i still get some distortion once in a while with red and dark green streaks.