Apple 5200/75 LC Manuale Utente

 

 Troubleshooting

Symptom Charts/Video - 13

 

Picture breaks into 

diagonal lines, or 

picture rolls 

vertically or 

horizontally

1 Perform geometry adjustments. Refer to “Geometry” in 

Adjustments chapter.

2 Replace analog/video board assembly.

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.