Picture has red shadows. After about an hour of being on it went away. however it came back. it seems to be in and out all the time. Sometimes it seems like it gets a second picture about an inch below so if you look at a face it looks as if they have four eyes. Any ideas ?
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A shadowy or 3D image is caused by the convergence not being aligned. If your model has a convergence menu goto it and see if you can adjust the colors so that they are all straight and aligned. If so the 3d shadows will go away. If however it wont adjust the convergence has failed and would need to be to repair the TV yourself or with a company. Convergence repairs are common a fairly easy DIY fix.
the back light went out the pop was either a capacitor aor a fuse blowing seeingas you sill have a shadowy picture it would most likely be the capacitor for the back light supply. Most repair shops should be able to replace the capacitor for you or if you feel like doing it yourself you willneed a soldering iron, solder, de-soldering iron or simialr, the repalcement part. to locate the blown capacitor just look for a burn part on the board.
If your TV is a old picture tube technology type try the following.
The following is for technical experts only It is EHT cable contact problem. Switch off TV. Remove all electrical wire connections including antenna cable etc.
Wait for few hours! Open the back cover. You will find a thick red colored cable connected to the picture tube through a suction rubber cup. Ease the rubber and slightly rotate it. Very little only. This will establish a new contact in the picture tube shell. Place the rubber cup in the same way. This just a suction cup and hugs the picture body and air tight.
Now switch ON try. If OK leave it. If not try the same way of waiting.
Failing to observe the cooling period, You are likely to get High Voltage electric shock as picture tube acts as a storage current for few hours. ( Even switch is OFF )
Adjusting the picture tubes is a scary proposition, but since you have already done it...
The easiest way to balance the gray scale is to turn the color all the way down on the set. The next part is easier with two people if the screen controls are on the back of the set. This is the part you saw that has six small knobs on it. There are control for the focus of the red, gree and blue and for the screen level of the red, green and blue. You will want to adjust the screen controls in an effort to get the picture black and white (this is why you turn the color down), hence the term "gray scale". Just make slight adjustments, take your and be patient. It will take some time, but you will get your picture balanced back out in time.