https://elektrotanya.com/sony_kdl-32r420b_kdl-40r470b_chassis_itc3_segm_me.pdf/download.htmlกระพริบ 5ครั้งPanelเสียหรือการเชื่อมต่อไม่ดี ลองทำความสะอาดสายแพรดูอีกทีนะครับ
ERROR CODE LCD TV SONY
1 red blink not used
2 red flashes is bad power board
3 red flashes is bad main or power board
4 red blinks can be LD board or main board common KDL-EX models
5 red flashes is bad lcd panel connection or internal lcd short- expensive fix6 red flashes is backlight error check bad main board, power board or inverter boards- unplug one by one to see if tv stays on
7 red flashes is main board over heating
8 red flashes is main board sp prot
9 unknown
10 unknown
11 red flashes is trident IC, bad main board
12 red light flashes is tcon error bad T-con board or bad LCD panel
13 red flashing is backlight balance error bad lcd panel or inverter boards (common) or balancer boards on kdl-52v4100 only
14 red flashes is HFR error bad TCON or Bad LCD panel, in this video its bad T-con board.