Vizio VP50HDTV10A Service Manual - Page 39

Trouble Of Reading

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TROUBLE OF DDC READING Start No Analog DDC OK? Yes No Digital HDMI1 DDC OK? Yes Support DDC2B 1.Analog cable ok? 2.Voltage of +5V_BUF ok? 3.Check U21 4.Is compliant protocol? Support DDC2B 1.HDMI cable ok? 2.Voltage of VCC5_E2P_2ok? 3.Check U44 4.Is compliant protocol? No Digital HDMI2 DDC OK? Support DDC2B 1.HDMI cable ok? 2.Voltage of VCC5_E2P_1 ok? 3.Check U37 4.Is compliant protocol? End CONFIDENTIAL - DO NOT COPY Page 9-20 File No. SG-0219

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CONFIDENTIAL – DO NOT COPY
Page 9-
20
File No. SG-0219
T
ROUBLE OF
DDC
R
EADING
Analog DDC OK?
Start
No
Yes
No
Digital HDMI1 DDC OK?
Support DDC2B
1.Analog cable ok?
2.Voltage of +5V_BUF ok?
3.Check U21
4.Is compliant protocol?
Support DDC2B
1.HDMI cable ok?
2.Voltage of VCC5_E2P_2ok?
3.Check U44
4.Is compliant protocol?
Yes
No
Digital HDMI2 DDC OK?
Support DDC2B
1.HDMI cable ok?
2.Voltage of VCC5_E2P_1 ok?
3.Check U37
4.Is compliant protocol?
End