TROUBLESHOOTING
Symptom
Picture is jitterd.
Adjust Clock to set the screen position and adjust
Clock fine until a noise isn't displayed.
No picture.
Check if power switch and computer power switch
are in the on position.
Check if the signal cable is correctly connected to
the video card.
Check if the pins of D subconnector are not bent.
Check if the computer is in the power- saving mode.
POWER LED is not
Check if power switch is in the on position.
lit.
Check if the power cord is correctly connected.
Image is unstable.
Check if the signal cable is suitable to the video card.
Image is not
Adjust Clock or H&V Center to get the proper
centered, too small
image.
or too large.
Picture bounces or a
Keep the devices that may cause electrical
wave pattern is
interference away from the monitor.
present in the
picture.
See the FCC information at the front cover of the
manual.
Picture is blurred.
Adjust Contrast and Brightness.
English - 12
Check
APPENDIX
DESCRIPTION FOR D-SUB CONNECTOR
Pin
1
2
3
4
5
6
7
8
9
10
11
Bi-directional Data(SDA)
12
13
Vertical Sync(VCLK)
14
Data Clock(SCL)
15
1
6
Signal
Red
Green
Blue
GND
GND
GND-Red
GND-Green
GND-Blue
+5Vdc
GND-H.Sync
GND-V.Sync
Horizontal Sync
10
15
GND=Ground
*