Troubleshooting For Video/S-Video Input; Schematic Circuit Diagram - Hisense LCD32V86 Service Manual

7.7 Troubleshooting for Video/S-Video input

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

8. Schematic circuit diagram

LCD TV Service Manual
NO
Check Signal Source
YES
YES
Replace Cable/Wires
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Reconnect