Apple 5215CD Manuale Utente

 

 Troubleshooting

Symptom Charts/Video - 14

 

Screen jitters or 

flashes

1 Refer to “First Checklist” in Troubleshooting chapter. Move 

electrical devices (other monitors, scanners, and so on) 

away from monitor. Temporarily shut off all fluorescent 

lights in area.

2 Move unit to another room or building and check if symptom 

persists.

3 Replace analog/video board assembly.

Out of focus

1 Perform focus adjustment. Refer to “Focus” in Adjustments 

chapter. 

2 Check for proper screen luminance. If luminance is off, 

perform Cutoff and White Balance procedures. Refer to 

“Video” in Adjustments chapter. 

3 Replace analog/video board assembly.