CONFIDENTIAL
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DO NOT COPY
Page 9-6
File No. SG-0301
N0
Yes
Yes
N0
Yes
TROUBLE
OF
DDC
READING
Start
Analog DDC OK?
Support DDC1/2B
1. VGA cable ok?
2. Check signal (U22 to P1)
3. Check U22 Voltage
4. Is compliant protocol?
HDMI DDC OK?
Support DDC1/2B
1. HDMI cable ok?
2. Check signal (U19 to P9)
3. Check signal (U31 to P7)
4. Check signal (U30 to P8)
5. Is compliant protocol?
END