Hisense LCD47P69P - Manual (Page 34)

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LCD TV Service Manual
Hisense Confidential
7.6 Troubleshooting for YPbPr input
No picture on the screen
Check Source work or not
Check connect
Check Wires (Green Blue, Red)
Replace main board
Check Source Device
Reconnect
Replace wires
NO
YES
YES
NO
YES
NO