Vizio VP50 HDTV20A Service Manual - Page 22

Trouble, Reading

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TROUBLE OF DDC READING Start Yes Analog DDC Support DDC1/2B N0 1.Analog cable ok? 2.Check signal (U21 to P3) 3.Check U21 Voltage 4.Is compliant protocol? Yes HDMIDDC Yes END Support DDC1/2B N0 1.Analog cable ok? 2.Check signal (U23 to P6) 3.Check signal (U25 to P7) 4.Check signal (U26 to P13) 5.Is compliant protocol? CONFIDENTIAL - DO NOT COPY Page 9-6 File No. SG-0246

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CONFIDENTIAL
–
DO NOT COPY
Page
9-
6
File No. SG-0246
N0
Yes
Yes
N0
Yes
TROUBLE
OF
DDC
READING
Start
Analog DDC
Support DDC1/2B
1.Analog cable ok?
2.Check signal (U21 to P3)
3.Check U21 Voltage
4.Is compliant protocol?
HDMIDDC
Support DDC1/2B
1.Analog cable ok?
2.Check signal (U23 to P6)
3.Check signal (U25 to P7)
4.Check signal (U26 to P13)
5.Is compliant protocol?
END