Troubleshooting For Video Input; Signals Block Diagram And Power Assign; Schematic Circuit Diagram; Explode View - Hisense LTDN50K3801UWTRU Service Manual

5.7 Troubleshooting for Video input

No picture on the screen
Check Source work or not
YES
Check connect
NO
Check Cable/ Wires
NO
Replace main board

6. Signals Block Diagram and power assign:

7. Schematic circuit diagram

8. Explode View

NO
Check Signal Source
YES
Reconnect
YES
Replace Cable/Wires
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