Sony KD-55A8F Service Manual page 29

2018/03/16 22:32:44 (GMT+09:00)
2.2 LED Blinking: 3x (Audio Error)
LED 3x blinking
(Audio Error)
Power Off Check
Go to 3.3
Power On Check
Go to 3.4
Detail of 3x LED Blinking
Error Item
Trinity
Trinity3 Board: BM2A
Number of STBY
LED flashing
DC_ALERT 3
AUD_ERR 3
OK
Replace
G Board
G Board
NG
Measure the Speaker
Replace
Yes
impedance by multi-meter
Speaker
Less than 3Ω ?
* In case of Actuator, replace Panel module.
No
Speaker Harness
Description
Main board 5V power rail monitoring
Audio amp error detection
(Supplementary
29
information)
SYS SET