Error Examples And Actions - Samsung Odyssey G7 LC27G7 T Series Service Manual

Troubleshooting

4-3. Error Examples and Actions

Error Appearance
4-10
Symptoms and Actions
Symptom When monitor's power is on, nothing is displayed
on the screen regardless of the signal.
Cause External adapter's power is not connected, or
contact failure of internal function cable.
Action Connect external adapter's power, and re-connect
or replace the internal function cable.
Symptom When monitor is turned on, the display is black
regardless of the signal.
Cause This error occurs due to connection failure of LVDS
cable which only supplies lamp power to the panel
and not the video signal.
Action Re-connect or replace the LVDS cable so that
video signal can be supplied to the panel.
Symptom Screen noise occurs when a DVD is connected.
Cause
No HDCP Key input.
Action Input HDCP Key
Remarks
Refer to training
manual for DDC
input method
Full Black
Pattern is typical
symptom when
there is no video
supply.
Refer to training
manual for input
method.