Power Button Blinks 3 times and then nothing happens
On of the parts on the blue light board had a shock due to the screen leaking, i manage to find a tech gut who can seal the tube, but the problem now is that he is telling me that i have to replace the chip board (where the DVI Chip is and where you connect the signal cables). Does this make sense?, the sympthom is that the power light blinks 3 times and nothing hapens, he says the flyback transformer is working cus he can check the pulse on the chip and it gets ok, but the chip is not sending any pulse outside. Is this a flyback transformer problem? Or is he lying so i can buy the board?
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Re: Power Button Blinks 3 times and then nothing happens
If the coolant spilled on a circuit board, there are changes that the board might be damage as this liquid is highly corrosive and also can conducts electricity while on the board.
What is the brand and model of the TV?
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Try to change the capacitors first. Normally lost of lcd tv have problems with the capacitors and which lead to powers problems. May you will not find visually that the capacitor is fault. So go for changing the capacitor also check the following video. Which will help you understand how to check the power supply broad. Also take care while working with the power board there is a risk or electric shock Also one of the capacitor in the power supply holds charge even when you have remove the power supply. Testing LCD TV Power Supply BoardsSTEP BY STEP
I have this model of the sharp tv.Happen to me very often the Power and OPC LED light indicators blink continueosly.Not the power supply board,it the Tuner board that take in the comming broscast signal that have the problems.You still can used this tv.Push the power button sometime the tv it will work right away.Not,each time POWER and OPC lights continueosly blinks.Just push the power button again each time the POWER and the OPC continueosly blinks.Just have push power button again about 4 times each time Power and OPC blinks recycles,it will finally show the backlight and picture come on.My guest,if u do this by pushing power button to recycles about 10-12 times each time the POWER and OPC blinks it time to change the Tuner signal board.
Usually when the crt leaks onto the chassis it can be cleaned and the affected components only have to be replaced I am not sure what "chip" you are refering too, but most ICs can be purchased as a replacement part. usually the entire board wont need replacing unless the traces are destroyed or replacement parts are unavailable.