Sony XBR-55X900H Service Manual page 36

2020/06/27 06:31:32 (GMT+09:00)
S E C T I O N 3
T R O U B L E S H O O T I N G
2.1 : 3x LED Blinking (DC Alert)
BM5/BM5S Board
3x blinking
(DC Alert)
Check "12.7V_MAIN"
Check "5.0V_VBUS" OK
at pin 5~8 of
OK
CN1700/1701 on BM5 Board at C611
Retry
or on BM5/BM5S board,
CN1700 on BM5S Board, 4.959V<Voltage<5.285V?
Voltage = 12.2~13.2V?
NG
NG
G Board BM5/BM5S Board
36
SECTION 1 SECTION 2 SECTION 3 SECTION 4 SECTION 5 SECTION 6
SYS SET