Sony XBR-55X900H Service Manual page 50

2020/06/27 06:31:32 (GMT+09:00)
2.6 : 6x LED Blinking (BACKLIGHT_ERR)
BM5/BM5S Board
6x blinking
Check "BL_ERR" Voltage
at JL1703 on BM5 Board
or
at JL1706 on BM5S Board
Low
SECTION 1
S E C T I O N 3
T R O U B L E S H O O T I N G
Check
High
harness/connection
G board to
BM5/BM5S
Harness /
Connection OK
SECTION 2 SECTION 3
Harness /
Connection
broken
Replace
harness
NG
Replace G board
NG
Replace
BM5/BM5S
NG
Replace
Panel
SECTION 4 SECTION 5
Symptom
Improvement
Harness
Symptom
Improvement
G board
Symptom
Improvement
BM5/BM5S
Board
Symptom
Improvement
Panel
SECTION 6
50
SYS SET