Question about Televison & Video
If the problem is always red picture every time you open your TV unit i may say that there is problem in your CRT chassis board or at chroma driver. open your unit then pull out the chassis board clean with lacquer thinner and then check possible loose contact re soldered parts at color amplifier section and parts at chroma board which is the driver of red, green, and blue gun. it is connected at the neck of picture tube. after you try all this option test your unit then observed if it is ok now. if still doesn't change red picture again check defective parts at chroma board pull out the driver transistor of green drive since the problem is reddish so there is no green drive check if it is leak or shorted also check open resistor. also you need to consider is the voltage of all the driver transistor are almost the same to have good picture.
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
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