Sony GN1G - Page 41

3-2-4. NO Power (DC/DC converter check)
41
TROUBLE SHOOTING
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
e) 1.05V LDO check
Check fuse
F9014
Is fuse OK?
Refer No Power U-Com Failure
Change F9014
No
Yes
No
Change IC9022
Check EN signal
IC9022 #pin4
Is voltage >2.5V?
START
Check input
F9014 voltage
Is voltage >3.3V?
Check 3.3V DDCON
No
Yes
Yes