Vizio L37 Service Manual page 125

TROUBLE OF DDC READING
Start
Analog DDC OK?
HDMIDDC OK?
END
CONFIDENTIAL – DO NOT COPY
N0
Yes
N0
Yes
Support DDC1/2B
1.Analog cable ok?
2.Check signal (U18 to P3)
3.Check U18 Voltage
4.Is compliant protocol?
Support DDC1/2B
1.Analog cable ok?
2.Check signal (U17 to P1)
3.Check U17 Voltage
4.Is compliant protocol?
Page 10-6
File No. SG-0176