Apple lc 580.performa 580cd 서비스 매뉴얼
Troubleshooting
Symptom Charts/Video
(Continued)
- 7
Video
(Continued)
Out of convergence
(color bleeds from
text or lines)
1 Perform convergence adjustment. Refer to “Convergence” in
Adjustments chapter. Note that some misconvergence is
normal, especially around edges of screen. Contact Apple
Technical Support if you’re uncertain whether the
misconvergence is within specification.
2 Replace analog board.
Black screen spots
(burnt phosphors)
Replace CRT.