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Need to check an av switching ic. Make sure you got the 12v going to the ic, if missing troublle shoot power supply. If it is there, bad ic. Or if it is low, unsolder vcc pin and check for right voltage to see if the ic is bringing down the voltage.
its failure of Convergence Out IC chip and requires replacement. TV has 2 IC chip in convergence circuit and I would recommend to replace both at same time. Let me know exact model of Sony 65" TV to provide you more technical info.
This is a problem with the vertical circuit. This can be as simple as poor connections at the vertical IC or a defective IC. If you can solder, you should be able to fix this yourself. Let me know if you wish to attempt the repair and I will supply additional details and instructions.
You need to check supply volts on main micro IC702 on main board of Sony KP-51WS520 TV. If you have experience of big TV repair then I would recommend to get service manual of TV from any online store and check above said IC supply volts. TV must give error by blinking light in case any problem in drive circuits and if main micro fried, no error signal will be there.
6 blinks is usually associated with failure of the horizontal
deflection amplifier - which shuts down the high voltage system as well.
The repair requires testing to determine the exact parts that have
failed. There are, for example, a few hundred parts and a section of
the Jungle IC chip involved. So, repairs could require something as
simple as replacing some inexpensive passive components OR as
complicated as replacing the jungle chip (very expensive).
most of the time it's the horz. transformer and transistor.