Apple color classic ii.perf 275 Servicehandbuch

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 Adjustments
Geometry - 3
 
board. Before switching 
on system power, make 
sure the chassis is not 
touching the logic board. 
To prevent the bottom of 
the chassis from 
buckling and touching 
the logic board, you may 
want to support the rear 
corners of the chassis.
Switch on system power. 
2 Using Display Service 
Utility from the Utilities 
folder of the MacTest Pro 
CD, display the All-
White Screen test 
pattern.
All-White Screen