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3-2-4. NO Power (DC/DC converter check)
40
TROUBLE SHOOTING
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
d) 1.0V DDCON check
Check EN signal
R9263
voltage
Is voltage >2.5V?
Check Vcc
C9169
voltage
Is voltage >5.0V?
Refer No Power U-Com Failure
Change IC9020
Change F9012
No
Yes
No
No
Yes
END
START
Yes
Yes
Check input
F9012
voltage
Is voltage >19.0V?
LD-Board model
G* Board model
Check input
F9012
voltage
Is voltage >12.0V?
Yes
Yes
No
No
Check fuse
F9012
Is fuse OK?
G* Board/LD-Board
Size
B* Board
G* Board
H* Board
50”
BMX
Not applicable
HSC3
55”
BMX
Not applicable
HSC3
Summary of Contents for GN1G
Page 2: ...SERVICE MANUAL LCD TV GN1G CHASSIS Segment XM A 9 888 172 A2 ...
Page 82: ...82 DIAGRAMS KDL 50W800C 805C 807C 809C KDL 55W800C 805C Tape Tape Tape Tape ...
Page 89: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 89 SMART CORE Insert Connector 1 2 3 DIAGRAMS ...
Page 90: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 90 TAPE DIAGRAMS Tape ...
Page 91: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 91 TAPE 2 Tape Tape Tape Tape DIAGRAMS ...
Page 92: ...KDL 50W800C 805C 807C 809C KDL 55W800C 805C 92 Tape Tape Tape Tape DIAGRAMS ...