Sony KD-55A8F Service Manual page 27

2018/03/16 22:32:44 (GMT+09:00)
2.1 LED Blinking: 3x (DC Alert Error)
BM2A
3-time blinking
Check "POWER_MAIN"
at pin 17/19 of CN400
on BM2A board,
Voltage = 18.0～20.0V or
Detail of 3x LED Blinking
Error Item
Trinity
Trinity3 Board: BM2A
(DC Alert)
OK
22.5～24.5V ?
NG
G Board
Number of STBY
LED flashing
DC_ALERT
AUD_ERR
Check "+5.0V_VBUS"
at C431 on BM2A board
4.959V<Voltage<5.285V?
NG
BM2A Board
Description
3 Main board 5V power rail monitoring
3 Audio amp error detection
OK
Retry
(Supplementary
27
information)
SYS SET