Circuit Instruction; Power Assign And Main Board Signal Process - Kalley K-LED32HDZT2 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. Circuit instruction

Power assign and Main board signal process

NO
Check Signal Source
YES
Reconnect
YES
Replace Cable/Wires
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