Troubleshooting For Tv/Vga/Hdmi Input - Hisense LTDN50K3801UWTRU Service Manual

5.5 Troubleshooting for TV/VGA/HDMI input

No picture on the screen
Check Signal Source
Check connect
NO
Check cable
NO
Replace main board
NO
Make sure
source is available
YES
Reconnect
YES
Replace cable
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signal