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Since your TV was struck by lighting, the power supply is the first board that gets affected by the sudden change in AC power.. The main board is the next board due to the fragile components and the excess of voltage that is supplied to it when the lighting happened. Since you have replaced the power supply already.. I would suggest to replace the main board and that should restore the functionality on your TV.
green led means tv powered on and status ok.
Red blinking light almost always means defect, overcurrent or overload.
6 blinks for Sony lcd flat tv means trouble in backlight circuit, or backlight inverter (backlight illumination or lighting makes your tv screen visible).
common problems in the inverter circuit, which drives the backlight, or shorted drivers, or short-circuit transformers or open circuits. You should find the problem in the inverter circuit, or in the power supply board or in the main board.
Also look for bad capacitors (electrolytic caps) which are bulged and swollen on top.
Decoupling plugs from printed circuit boards can help you in finding the problem board by elimination method.
If you power up the set after unplugging certain plugs on f.e. the inverter board , this could result in getting a green power led and concluding that this board is faulty.
no. there's some problem on its display circuits that it need to be corrected, picture becoming dark has some problem with the inverter power supply circuits that responsible for lighting the small lcd flourescent light. maybe some loose connection in the components cause that to happen
TRY TO UNPLUG THE POWER CABLE GINIG TO THE Y BOARD THE ONE COMING FROM THE POWER SUPPLY SOMTIMES BLUE AND WHITE IF CLICKING STOPS Y IS SHORT IF NOT UNPLUG POWER CABLE FROM POWER SUPPLY TO X BOARD CLIKING SHOULD STOP IS YES ITS THE X BOARD THATS SHORT TAKE TIME TO UNPLUG YOUR TV BEFORE DISCONNECTING ALSO BEFORE RECONNECTING Y AND X WAITE ATLEASE 5 MIN FOR CAP TO DISCHARGE