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Re: Sony KV 32FS13
Your system is encountering a hold down issue. Ussually, this is the absence of signals due to malfunctioning parts particularly in the vertical circuitry.it could Eigther be an IC, transistor or a defective resistor. However, it can sometimes be remedied by simply resoldering the loose components in the circuitry.
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How many times do this standby light blinks at a time of switch on? These blinks are fault indications. From the number of these blinks, you can get an idea about the faulty circuit section inside it. Count it. If you wish to get more details about the blinking codes to Sony TVs, check this link.
It seems to be a problem to the power supply unit. I would suggest you have a look at the circuit board and look for capacitors that could have a popped up head. If you notice any, replacing it would solve your problem. I had the exact issue with my tv and fixed it that way. If you have any question please do not hesitate to ask, good luck.
I have seen this flashing before, this could be an indication that the picture tube is weak, what happens is that if the white balance is off there is a circuit called akb it monitors the kathode of each gun and if they are not in balance it will attempt to balance it out. if it can't the picture will begin to flash, sometimes in some models the power light will blink 5 times. On some models the power light will only flash if the tv gives up trying to compinsate for white balance and shuts off compeletely. If you see the tv shutting off with 5 blinks then you know for sure it is time for a new set.
The 4 blinks usually mean a vertical deflection problem. If you can solder you should be able to repair this yourself. Let me know if you wish to attempt the repair and I'll provide more details and instructions.