Sony GN1G - Page 36

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