Technical information
 Adjustments Cutoff Adjustment - 24
Note: Set the Screen Voltage 
if you haven’t done so 
already. Refer to “Screen 
Voltage ” mentioned earlier 
in this section.
1. Remove the bottom 
housing and the top rear 
housing to access the 
video board. 
2. With the power off, 
remove the left ground 
cable from the video 
board.










