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remove back cover then check the CRT tube if there is color red cathode how?by using a wire or test prove connected in ground in your TV very quick if red screen flashes your CRT is good then check your CRT board socket find the driver transistor of red cathode then check it if shorted replace thank you
problem with the monitor Display cable. it is damaged.
Normally monitor will receive 3 colors red, green, Blue signals from CPU. If one cable i.e Red wire connection is missing in display cable which is connected to monitor, Red color image on monitor wil be replaced with other fade color.
So, need the replace the display cable or display connector!
It sounds connections are not matched yet. Make sure connections are green to green, red to red and blue to blue in dvd player and tv are correct. Try another component video cable. If problem still exist, test dvd player to any other tv, found ok then component input of this TV is bad, need to get it repaired.
Red color gun has failed, which will make the picture over saturated with the other two colors(blue,green) the bad news is the three color guns need to be replace in a set(all at the same time) because if you only replace the red it will over saturate the older blue, green guns then your picture will be mostly red.Unfortunently in most cases it's not worth the investment, better off to purchase a new tv. Good luck !
first you check the signal cable continuty by multimeter then correct it if faulty .if ok then give -ve click at red cathode on crt base in on condition if red raster comes on screen then red cathode is ok same thing for green and blue cathode if green cathode do not shows green raster after -ve click then crt is faulty then give -ve click at R point at color raster ic which has heat sink if red color comes then ic is ok same thing for green and blue if ic is faulty then replace it if not then check bipolar capacitor if faulty then replace it