NPG NSD-3937HFB - Troubleshooting

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12.15 About device
Here you will find the version of the soware.
SYMPTOM CHECKLIST
The LED screen
remains dark.
Check that the power is on and that the
connecons are correct. Check that the
power cord is properly connected.
No sound
Make sure the connecon are set correctly.
Check that the speakers are on.
No image or the
image moves up
and down so
unstable
Check the connecons to the external AV
signal source are correct.
Properly configure the Picture menu op-
ons.
Check if the input video type is correct for
the device
Check that the device is turned on and the
video type is correct.
The remote
control doesn´t
work
Check that there are no obstacles between
the remote control and the device.
Check that the remote control is pointed at
the TV.
Check that the baeries are loaded and
that the polarity is correct.
Check that the baeries are not dischar-
ged. Replace the discharged baeries.
13. TROUBLESHOOTING