Trouble Of Ddc Reading - Vizio VF550M Service Manual

TROUBLE OF DDC READING

Analog DDC OK?
CONFIDENTIAL DO NOT COPY
–
Start
Yes
Yes
HDMIDDC OK?
Yes
END
Support DDC1/2B
N0
1. VGA cable ok?
2. Check signal (U35 to P13)
3. Check U35 Voltage
4. Is compliant protocol?
Support DDC1/2B
1. HDMI cable ok?
N0
2. Check signal (U17 to P7)
3. Check signal (U19 to P8)
4. Check signal (U24 to P10)
5. Check signal (U28 to P11)
6. Check signal (U32 to P15)
7. Is compliant protocol?
Page 9-6
File No. SG-0300