Section 4 - Troubleshooting
No picture, power indicators A, B, C off
•Check AC cord is plugged into outlet and monitor.
•Turn on the power switch.
No picture, power indicators A, B, C on.
•Check that video cable is connected completely.
•Adjust brightness and contrast controls.
•Turn the computer on.
No picture, power indicator A off, indicators B and C on.
•Monitor is in DPMS “SUSPEND” mode. Press a key or move the mouse.
No picture, power indicators A and B off, indicator C on.
• Monitor is in DPMS “OFF” mode. Press a key or move the mouse.
Image is not centered
• Adjust Vertical Position and Horizontal Position controls.
Appendix A - Specifications
Picture Tube | Size | ||
| Dot pitch | 0.28mm |
|
| Surface treatment |
| |
Bandwidth | 65MHz |
|
|
Data Area | 9.76 x 7.20 in. |
|
|
Display mode |
|
|
|
Mode | Resolution | V. Frequency | H. Frequency |
VGA I | 640 x 350 | 70 Hz | 31.47 KHz |
VGA I | 640 x 400 | 70 Hz | 31.47 KHz |
VGA I | 640 x 480 | 60 Hz | 31.47 KHz |
VGA II | 640 x 350 | 84 Hz | 37.86 KHz |
VGA II | 640 x 400 | 84 Hz | 37.86 KHz |
VGA II | 640 x 480 | 72 Hz | 37.86 KHz |
SVGA | 800 x 600 | 60 Hz | 37.88 KHz |
SVGA | 800 x 600 | 72 Hz | 48.09 KHz |
Ultra VGA | 1024 x 768 | 60 Hz | 48.37 KHz |
Synchronization | Horizontal: |
| |
| Vertical: |
| |
Deflection |
|
|
|
Geometric distortion |
| H.<=2.5mm, V.<=2.5mm | |
Linearity distortion |
| H<=10%, V<=8% | |
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