Sony KD-43X7 G Series Service Manual page 84

2.7 No Power DDCON/LDO
DDC: +3.3V_DDC_OUT check
LD-Board model
F6005 / F6008
Is voltage >19.0V?
START
Check fuse
F6005 / F6008
Is fuse OK?
yes yes
Check input
voltage F6005/ F6008
no
yes
yes
Check EN signal
R6088 voltage
Is voltage >2.9V?
yes
Check Vcc
C6082 voltage
Is voltage >5.3V?
yes
END
no
Change F6008
G-Board model
Check input
voltage
no
Is voltage >12.0V?
no
G-Board/LD-Board
no
Change IC6010
SG 55"/65"=G-Board model (PSU)
SG 43"/49"=LD-Board model (ADP)
84
SYS SET