Troubleshooting - Ikegami ML Series User Manual

8. Troubleshooting

No image appears on the monitor screen.
• Check to see if the AC power cord is tightly plugged in.
• Check to see if the unit's power switch is turned on.
• Check the input signal.
• Check to see if the input is selected as specified.
• Check to see if the signal is listed in the applicable signals chart.
Images on the monitor screen are improper.
• Check to see if the input is fed into the selected input terminal.
• Check to see if the video signal cable is tightly connected.
• Check to see if the signal is listed in the applicable signals chart.
• Check to see if the signal is fed to the input side, not to the output side.
Images are too dark.
• Check to see if the video signal level is as specified.
• Check to see if the brightness control is at minimum.
• Check to see if the contrast control is at minimum.
• Check to see if the backlight level on the User Setting Screen is too low.
• Check to see if the R.Gain, G.Gain or B.Gain level on the Color Setting Screen is too
low.
• Check to see if the S-Video input is handled in the through-out configuration and if two
or more units are connected with the main power off. The S-Video input is terminated
on when the main power is turned off. Turn on the main power of all the monitors.
Hightlighted images are not accentuated.
• Check to see if the input signal is connected to the IN side, not to the OUT side.
• Check to see if the contrast control is at maximum with high-level input signals.
• Check to see if the R.Gain, G.Gain or B.Gain level on the color setting is to high.
Images are too weak.
• Check to see if the chroma near the proper value of 64.
• Check to see if the brightness level is too high.
• Check to see if the gamma level is appropriately at 2.2.
• Check to see if the R.Gain, G.Gain or B.Gain level on the Color Setting Screen is too
low.
Colors are not as specified.
With Video or S-Video signal inputs
• Check to see if the brightness and contrast levels are as specified.
• Check to see if the chroma and hue levels on the Image Setting Screen are as specified.
• Check to see if the color temperature is selected and preset as specified.
• Check to see if the R.Gain, G.Gain or B.Gain level on the Color Setting Screen is as
specified.
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