Apple 5400/200 Benutzerhandbuch

 

 Troubleshooting

Symptom Charts/Video - 9

 

Out of convergence 

(color bleeds from 

text or lines)

1 This problem rarely indicates a defective module. Some 

misconvergence is normal, especially around edges of screen. 

Contact Apple Technical Support if you’re uncertain whether 

misconvergence is within specification.

2 Replace analog/video board assembly.

Black screen spots 

(burnt phosphors)

Replace CRT.

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.