My Sony Kdl-55hx729 Stopoed Working. Help Please

1 red blink not used
2 red flashes is bad power board, solution replace power board
3 red flashes is bad main logic or power board, check for standby volts if ok replace main logic board
4 red blinks- can be LD board or main logic board, check inverter board wires for arcing to ground
5 red flashes- bad lcd panel connection or internal lcd short- squeeze bezel to locate bad connection
6 red flashes- backlight issue, bad main board, or power board or inverter boards- check standby volts on power board. "backlight on" volts should be 3-5v from main logic board then 24v to inverter
7 red flashes- main board over heating, can be short on power board or main logic board
8 red flashes- main board sp prot, try power reset, update with usb, or replace main logic board
9 blinks- check fan error, * if TV has fans
10 blinks- digital board or tuner board * some Sony TVs may not have this board
11 red flashes- bad main board, bad IC, replace main logic board
12 red light flashes is tcon error bad T-con board or bad LCD panel, replace tcon board usually
13 red flashing is backlight balance error bad lcd panel or inverter boards (common) or bal board on kdl-