TroubleshootingSymptom Charts/Miscellaneous - 18
Miscellaneous
Picture dim; | 1 | Ensure that screen does not face a window or other source of |
adjusting front panel |
| ambient light. This type of environment gives screen a dim |
controls does not | 2 | appearance. |
increase brightness | Replace CRT/video board. | |
Picture has vertical | 1 | Move monitor to different location and see if symptom |
jitter |
| persists. |
|
| Note: This symptom is often caused by electromagnetic |
|
| interference (electronic devices, fluorescent lights, power |
|
| lines, etc.) Refer to “First Checklist” in this chapter. |
| 2 | Replace main deflection board. |
