I have a GE 48 inch projection tv. It is approximately 7 or 8 years old. Not sure of exact age...it was my mother's. The color is very dark. If you try to adjust the picture controls it just makes the color look worse....not helping the brightness. I'd hate to get rid of the tv, but it's barely watchable anymore. Any help or advice is appreciated!
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Re: screen is too dark
With a flashlight at the back of the set often times there is an adjustment you can make WITHOUT having to open the set!!!
look for a little hole in the back of the plastic cabinet labeled SCREEN then with a flat screwdriver holding only the plastic handle, insert it into the hole and SLOWLY rotate until the screen brightens up until it is watchable.
This is compensating for age in the picture tube. you may get a few day or a few more years! of a much better picture.
If you start seeing some thin lines on the screen then back off you have gone too far. Do this adjustment with the brightness and contrast controls on the menu turned up all the way.
it is also safe to play with the focus adjustment right next to the screen if thing seem a little blurry. you will need two people one to watch from a distance for best picture.
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I had a 26 inch Mitsubishi that developed problems as it aged. Whenever it went into a diagnostic mode the power light would blink and the set would go through a series of screens to self-test color, focus, sound, etc. Usually it would then reset itself and run fine. Once I had to have it serviced and they replaced a mother board. Eventually (after about 14 years) it just died.
The 2 blinks are an indication of over-current. This is usually because of a shorted component. The most common is the horizontal output transistor. This will be a 3-legged part attached to a heat sink close to the flyback transformer (part with red wire coming out the top). This transistor will be marked C4856 or something similar. Update this with the exact marking and I'll provide you with the full part number and approximate cost.
i hope this helps. on the tv, press menu, then channel up or down to "screen", then menu;
then channel up or down for adjust projection tv(6), then press menu;
then use the volume up and down, as well as the channel up and down until each of the 3 colors are lined up. press menu after each color i slined up to go to the next color.
hope this helps.
It could be a dry solder joint on the base socket pcb. Try resoldering the base socket, and try for dry joints on the main board also. Check if the rgb voltages are steady on the crt driver transistor bases.
John, bad news, short in picture tube, not cost effective to repair, even if it was the tube is no longer available for that age set, the bright side is it doesn`t owe you anything at 15-16 years old, too bad the "new tv`s" don`t last that long, hope this answers your question, BMW Rider