Sounds like SCL - SDA line has some short circuit. Contact any service technician. This is not a user repairable work.
SOURCE: Sony Bravia KDL-S40A12U Blank screen
Hello
on your set there is inverter board that is what lights up th backlight on your TV making everything visible that board has went bad.
Thankyou
SOURCE: Sony Bravia kdl-46S3000 flashing red lights
Sounds Lamp is weak in this TV.
Please replace lamp and procedure is written in TV user manual.
SOURCE: kdl-32s2000: t.v. turns off and light blinks 4
My sony Bravia KDL32 LCD had a similar problem it kept switching itself off and then switching back on after a short period of time, I dont think I had the 4 blinks though. I switched off the software download and auto update which seems to have resolved the problem so far.
SOURCE: sony bravia kdl 46s4100 no picture
it sounds like your back light might be going out. You might be able to fix this by installing a new backlight inverter board.
SOURCE: black screen , red standby
Hi,
4 blinks indicated of backlight malfunction. The unit shutsdown to avoid overload to the inverter board.
Check the backlights, busted backlight has a physical indication of fault like blackened end, crack end. You must replaced the busted one and your unit will back to normal operation again.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
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