I took the back off,took a compressor with high pressure of 80-120 psi,blew out entire componants therowly,cleaned off the lenses,put it back togather,and it stopped!I had a dust problem.Hope it works for you.
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Hi, KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down. This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color. Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair. Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv. Hope these info will help you. Let me know if you have additional questions. Thanks.
It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen. Do you see standby red light blinking when TV shuts off after showing blue image for a while? If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution. Thanks.
Hi, 5 times blinks shows incorrect white balance (AKB) error. TV needs Screen Volts (G2) adjustment. Take off lower front panel, find Focus Block that has 6 control knobs, adjust Screen volts of each CRT (red-green-blue) and problem will be solved. Be Careful while working in TV. Let me know if you have further question. Thanks.
% blinks for your model means a video output abnormality. which translates into IC7101, IC7201 or IC7301 on C board circuit is faulty or else its transistors Q510, Q516 or Q524 are faulty on the A board. I would check the transistors first for being faulty and if they check out then suspect one of the ICs
I've had a KP 53HS10 for close to 8 years I think. 4 years ago the picture started blinking after long use, then more and more often. I had a repairman come and replace the tuner card (that's all I know about what he did). Now that I finally have HD from cable, I've found that 720 doesn't work and 1080i works, but the picture blinks on and off apparently struggling with some inner problems. Everything looks great, for a second and then it blinks. The red light blinks 5 times repeatedly while this is going on. I called SONY 5 times means get a repair man. I searching forms like this for help as well.