
3-2-4. NO Power (DC/DC converter check)
36
TROUBLE SHOOTING
KDL-50W800C, 805C, 807C, 809C/KDL-55W800C, 805C
START
Check C9216 Voltage.
Is the voltage 3.3V?
Check C9224 Voltage.
Is the voltage 1.5V?
Check C9188 Voltage.
Is the voltage 5V?
Check C9203 Voltage.
Is the voltage 1V?
END
DDCON/LDO working normal
No
Yes
No
Yes
No
Yes
No
Yes
Check C9207 is
it 1.05V?
Yes
No
Check C9230 is
it 1.8V?
Yes
No
Check 3.3V_MAIN
C9005 Voltage.
Is the voltage 3.3V?
No
Yes
3.3V DDCON check
1.5V DDCON check
5.0V DDCON check
1.0V DDCON check
1.05V LDO check
1.8V DDCON check
3.3V_MAIN check
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 ...