Troubleshooting - GD SRM-10V Series User Manual

Troubleshooting

FAILURE
No Image
No Image
No Image
No Image
No Image
Dim Display
Dim Display
Flickering Pixels;
Uneven Screen
Intensity; Lack of
Non-OSD Brightness
Control
Vertical Bars;
Flickering Pixels
Vertical Bars;
Flickering Pixels
The Innovators of Flat Panel Technology
POSSIBLE CAUSE SOLUTION
No Power If the Green LED on the front bezel is illuminated, it
indicates that the power supply is functional and connected
properly. If the LED does not function properly, continue with
the next set of instructions.
Defective AC Cable/ Verify that the power supply is properly connected to the
Connection LCD monitor and an AC power source (i.e., wall outlet).
Inspect cable for physical damage.
Defective Power Supply Verify that external power supply is functional.
No Signal; Incorrect Verify that a video signal of compatible resolution and
Graphic Card Settings refresh rate is being provided to the monitor.
Defective Display, Contact General Digital Service Department for a Return
Backlight Inverter or Material Authorization (RMA).
Internal Connection
OSD Settings Check Brightness and Contrast settings. If either setting is
too low, the display will appear dim.
Half-life of Backlights Determine how many hours your monitor has been running.
Reached Backlights will be reduced to 50% original brightness after
approximately 30,000 hours. Contact General Digital
Service Department for a Return Material Authorization
(RMA).
Defective LCD Panel If adjusting brightness control has no effect, the VR rating or
or Internal Cable; method of adjusting brightness is not compatible or correctly
Improper Pinout connected to the inverter. Contact General Digital Service
Department for a Return Material Authorization (RMA).
Video Cable Be sure that you are using a quality video cable. General
Digital recommends a shielded three wire coax (R, G,
B) with twisted pair for Hsync and Vsync. Replace the
video cable. Ensure that your video source supports VESA
standards.
OSD Settings Activate the OSD menu. Select the Auto Setup function.
If this does not correct the problem, continue. Display a
50% gray pattern on the LCD display. If vertical bands are
evident, activate the OSD menu. Adjust the Image Size
function until the vertical bands vanish. Use the Tuning
function to fi ne tune the image.
TM
Sunlight Readable RGB RackMount
12
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