Troubleshooting For Tv/Vga/Hdmi Input - Hisense LCD19W57 Service Manual

7.5 Troubleshooting for TV/VGA/HDMI input

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