Circuit Instruction; Board Signal Process And Power Tree - Hisense LHD32K260AM 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

Board signal process and power tree

NO
Check Signal Source
YES
Reconnect
YES
Replace Cable/Wires
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