Sony KDL-43W6 G Series Service Manual page 37

2019/01/30 02:46:26 (GMT+09:00)
6.1 Screen Blank, No Backlight
Screen Blank, No Backlight - General Checking
Screen Blank, No backlight
Check R9019/*R9021 & *R9365
R >9Ω and <11Ω?
Yes
Check REG9V (AC ON)
V=8.9V to 9.1V?
Yes
Suspect : Other Part damage
Change the board
No
Change R9019/*R9021 & *R9365
AC ON screen blank, No backlight?
Yes
No
Change IC9000 & *IC9001
AC ON screen blank, No backlight?
Yes
No
R9019/*R9021 & *R9365
broken
No
IC9000/ *IC9001 broken
*For LKP2
37
SYS SET