Sony KD-43X7 G Series Service Manual page 87

2.7 No Power DDCON/LDO
DDC: +5.0V_DDC_OUT check
START
Check fuse
F6004 / F6007
Is fuse OK?
yes
LD-Board model
Check input
F6004 / F6007 voltage
Is voltage >19.0V?
yes
Check EN signal
R6073
Is voltage >2.5V?
Check Vcc
C6062
Is voltage >5V?
no
yes
G-Board model
Check input
F6004 / F6007 voltage
Is voltage >12.0V?
no
yes
no
voltage
yes
no
voltage
yes
END
Change F6004
no
G-Board/LD-Board
G-Board/LD-Board
Change IC6009
SG 55"/65"=G-Board model (PSU)
SG 43"/49"=LD-Board model (ADP)
87
SYS SET