Sony KD-43X7 G Series Service Manual page 93

2.7 No Power DDCON/LDO
SW: +3.3V_MAIN check
START
Check VG signal
no
Q6009 #pin1
Is voltage > 3.0V?
yes
Check VB signal
Q6008 #pin2
Is voltage > 1.9V?
no
Other Issue
yes
Change Q6009
Change Q6008
93
SYS SET