Troubleshooting For Ypbpr Input - Hisense LTDN50K3801UWTRU Service Manual

5.6 Troubleshooting for YPbPr input

No picture on the screen
Check Source work or not
NO
Check Source Device
YES
YES
Reconnect
Check connect
NO
YES
Check Wires (Green Blue, Red)
Replace wires
NO
Replace main board
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