Apple lc 580.performa 580cd Manuales De Servicio
Adjustments
Geometry - 13
Focus
1 Run Display Service
Utility to display the
Focus test pattern.
2 Using a flat-head plastic
adjustment tool, adjust
the focus control on the
flyback transformer
until the Focus test
pattern reaches the best
center-of-screen
performance.
Adjustment
Controls
Flyback
Transformer
Focus
Focus Control