Sony KD-55A9F - LED Blinking: 3 X (Audio Error)

(Supplementary
information)
2.2 LED Blinking: 3x (Audio Error)
Detail of 3x LED Blinking
33
Error Item Number of STBY LED flashing Description
Uroboros DC_ALERT 3 Main board 5V power rail monitoring
AUD_ERR 3 Audio amp error detection
Measure the Speaker
impedance by multi-meter
Less than 3Ω ?
Replace
Speaker
No
Yes
LED 3x blinking
(Audio Error)
Speaker Harness
Power Off Check
Go to 3.3
Power On Check
Go to 3.4
Replace
G Board
NG
OK
G Board
SYSSET
2018/09/1904:47:37(GMT+09:00)