Sony KD-55A9G Service Manual page 74

2019/04/19 01:55:00 (GMT+09:00)
5.2 Light Sensor Error
Backlight level does not
change when ambient light
changed
Check UI setting and
make sure light sensor
setting is "ON"
Setting is "OFF"
Setting issue
Change setting to "ON"
TV Business Division
Setting is "ON"
Check harness
connection between B-
board and SmartCore
NG
Change harness between
B-board to SmartCore
harness
NG
Change SmartCore
NG
Change B-board
Main device issue
74
OK
Harness connection
issue
OK
B-board to SmartCore harness
issue
OK
SmartCore issue
74
SYS SET