No Image Display - NEC MultiSync LCD1920NX User And Service Manual

2. No image display

2.1 LED green, but no OSD, no back light and no image
Is the LED turned green when
a power switch is pressed?
YES
Is the OSD displayed?
YES
Is an image displayed?
YES
Normal
Is +12V power source ok ? (It means +12V
NO
power is connect to W09 and ok?)
Check W04 to display BD.
Control wire is ok?
NO
Go to "no OSD and no back light".
NO
Go to "OSD presented but no image".
6-3
NO
Failure point
Check power adapter .
Failure point
Failure point