Sony KD-43X7 F Series Service Manual page 87

2018/05/04 04:12:02 (GMT+09:00)
3.15 No Power DDCON/LDO
DDC: +5.0V_DDC_OUT check
START
Check fuse
F6004
Is fuse OK?
LD-Board model
yes yes
Check input
F6004 voltage
Is voltage >19.0V?
no
yes
yes
Check EN signal
R6073 voltage
Is voltage >2.5V?
yes
Check Vcc
C6062 voltage
Is voltage >5V?
yes
END
TV Business Division
no
Change F6004
G-Board model
Check input
F6004 voltage
Is voltage >12.0V? no
no
G-Board/LD-Board
no
Change IC6009
87
G-Board/LD-Board
CHL 55"/65"=G-Board model (PSU)
CHL 43"/49"=LD-Board model (ADP)
(Supplementary
information)
87
SYS SET