DIY MAINBOARD REPAIR SONY KDL-40EX640 KDL-46EX640 KDL-55EX640

WITH TV PROBLEM / SYMPTOMS:

The TV would powers on and the Sony logo lit up and green “ power-on light came on but no picture or sounds and or led light indicator blinks 2 to 7 times– It is a main board problem.

Note: Other TV problems and symptoms that are different above are not covered by this DIY repair manual