Self Diagnosis - Daewoo L520B Service Manual

Self Diagnosis

If there is no image, the Self Diagnosis screen will be displayed. Self Diagnosis function checks if the
status of the monitor screen is "No Signal", "Out of range", "None support" or "Check Cable".
"No Signal" screen is displayed when the D-Sub signal connector is connected and
the status of the monitor is on DPMS mode.
"Out of Range" screen is displayed when the applied frequency is under or over
normal range.
Normal range
(Non-interlaced mode only)
H : 30 - 62 KHz
V : 50 - 75 Hz
"None support" screen is displayed when the applied frequency is under or over
factory preset timings.
"Check Cable" screen is displayed when the D-Sub signal connector is not
connected.
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