First, let me give you the pin-out for the 15pin connector for the video cable that runs from the monitor to connect to your video card. Why do you need this? Personally, I have little use for this, other than if your monitor loses a color, check to make sure the pins have not been bent over in the connector. Some people will use this to replace the connector on their monitor. Personally, I have never done this and do not recommend it, unless you are a wiz with a soldering iron.
| pin# | Description |
| 1 | Red Video |
| 2 | Green Video |
| 3 | Blue Video |
| 4 | Sense 2 (Monitor ID bit 2) |
| 5 | Self Test (TTL Ground) |
| 6 | Red Ground |
| 7 | Green Ground |
| 8 | Blue Ground |
| 9 | Key - reserved, no pin |
| 10 | Logic Ground (Sync Ground) |
| 11 | Sense 0 (Monitor ID bit 0) |
| 12 | Sense 1 (Monitor ID bit 1) |
| 13 | Horizontal Sync |
| 14 | Vertical Sync |
| 15 | Sense 3 - often not used |
Common Monitor Problems
- Intermittent changes in color, brightness, size, or position - bad connections inside monitor or in VGA connector or cable.
- Ghosts, shadows, or streaks in picture adjacent to vertical edges - faulty cables, connector, video card problems.
- Magnetization of CRT causing color blotches or other color or distortion problems - faulty degauss circuitry or location near sources of strong
magnetic fields or electromagnetic interference.
- Monitor not syncing on one or more video scan ranges - monitor may be incompatible with scan rates, fault in monitor electronics.
- Focus or brightness problems - adjustments needed for focus or background brightness or defective components.
- Dead monitor due to power supply problems.
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