Led Blinking: 3X (Dc Alert Error); Detail Of 3X Led Blinking - Sony KD-55A9F Service Manual

2018/09/19 04:47:37 (GMT+09:00)

2.1 LED Blinking: 3x (DC Alert Error)

BM3
3-time blinking
(DC Alert)
Check "12.7V_MAIN"
at pin 6~8 of CN800
on BM3 board,
Voltage = 12.2~13.2V?

Detail of 3x LED Blinking

Error Item
Uroboros DC_ALERT
OK
NG
G Board
Number of STBY LED flashing
3
AUD_ERR 3
Check "5.0V_VBUS"
OK
at C431 on BM3 board
4.959V<Voltage<5.285V?
NG
BM3 Board
Description
Main board 5V power rail monitoring
Audio amp error detection
Retry
(Supplementary
31
information)
SYS SET