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If the color tone is just a bit more blue, check the video output section circuit for any fault. If there is no fault, and still you see blueish tone, replace the blue output transistor. The video output stage circuit card can be located at the back of the CRT itself, will be directly plugged on to its back. If nothing helps, you have to enter its service mode option, to check the blue drive, and blue cutoff settings. If this si the case, it will be best to contact any service technician, since the adjustment is somewhat critical one. To get some details, http://electronicshelponline.blogspot.com/ Pull up older posts.
Check the collector voltage of blue output transistor at its video output board, which can be located directly plugged onto the neck of the picture tube. Check for any loose solder terminals at this board.
Theres a problem in colour section of your television.The color trnsistor output is either shorted or open.There are three color output trnsistor,the red,blue and green driver output.Need to replace color output.
You have a defect in the convergence circuit. Both chips will need replaced and possibly a resistor or two. Chip part numbers are STK392-110. Typical repair runs around $350
Hello
If you see the picture in yellow colour, means that there is no blue colour output from the video drive section in your tv, Yello is the mixtrure colour of red and green. Green is actualy there. blue colour is absent.
To detect this fault, you must open your tv. Just look in to the video output section, can be located at the picture tube base card, which is plughed into it diretly. See for any loose soldering points there. Check whether transisotors are used for red, green and blue output stages, or an Ic or three seperate Ics are used for this purpose. Anyway, blue catode of your picture tube pin gets a hig voltage, and so the blue emission is absent. You just check the voltages at red,gree and blue catodes, at the respective picture tube pins, which can be taken at picture tube base card. All of these three pin voltages must be somewhat equal to each other. In your case, no voltage at blue cathode will be higher that the other two. Check for the reason. It may be due to an open video output transistor [blue], or an Ic, of one Ic if used for the three colour outputs. Check and replace the same, will rectify your problem. Ok
If you have andy difficulty, get it to me through Fixya. Ok
Gopakumar, India.
pls. this problum is convesouns Adjesment on Remot cantrol
PRESS MENU button and menu on the screen
DOUN Arow to bottom and Adjest converson left to right and top to bottam the cross line maching 3 colour line and cross line is total white is ok see the pictur is ok
I have the exact problem! I guess there is really no other fix than to replace the touch screen. The problem is, its not officially release in Asia yet, although there might be some other service centers who may have parts for iphone, be careful where you have it fixed, some parts may be replaced with damaged ones.
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