The colours 'blew' on my tv - everything in the centre appears greenish, with a blue ring outside this, and 'normal' colours ponly appear at the very edge of the screen - can this be fixed?
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The greenish hue cannot be adjusted from the menu. One has to do it from inside.First confirm by turning the color settings to zero using the remote. You should get a clean black and white image with no traces of any color ( inc: green ). If your TV is greenish , the green drive on the base of the picture tube has to be trimmed. All you need is a screwdriver. There are dangerous voltages inside a TV, some as high as 27,000 volts !!!. Where the color adjustment has to be done there are voltages as high as 110 volts and 8000 volts.If you still want to make the adjustments yourself revert back for instructions
The light engine of your TV is becoming weak. its is a common problem of 3LCD rear projection TV. You need a repairman to fix this kind of trouble.. The light engine replacement is expensive, It costs like a new TV set.
There are several reasons for this most likely is the vga cable from the video port has undergone stress (sharp bending or crushing) this damages the cables inside and causes one or more of the colors to not display, usually red and or blue. odd it seems the green always is left unharmed when I see this...weird. If you can I would replace the cable from the monitor to the computer. if the cable is sealed in then you may be able to find a replacement at a service center. and they could replace it for you
It sounds like your problem is magnetisation of the crt. Try to switch it on and off for 3 times: on for 1 minute, off for 3minutes, on for 2minutes and off for 5minutes. Then switch on and see if the discolouration dissappeares. IF not, then a technician needs to check the internal degauss circuits.
Yes it is A degause fault caused by either something magnetic being close to tv screen EG hifi speakers.
Or faulty degause thermistor, Or degause thermistor is not making good contact with pcb & only requires resoldering to pcb.
Allso try turning tv completely off at the mains switch leave a few hours then switch back on.
If you decide to take to A repair shop this repair is not expensive.