ViewSonic Q51 series Service Manual page 10

RELATIVE PLACEMENT OF TYPICAL COMPONENTS
Convergence adjustment
A. Produce a magenta crosshatch on the display.
B. Adjust the focus for the best overall focus on the display.
Also adjust the brightness to the desired condition.
C. Vertical red and blue lines are converged by varying the angle between the two tabs of the 4 pole magnets on the
PCM assembly. (See above diagrams)
D. Horizontal red and blue lines are converged by varying the two tabs together, keeping the angle between them
constant.
E. Produce a white crosshatch pattern on the display.
F. Vertical green and magenta lines are converged by varying the angle between the two tabs of the 6-pole magnets.
G. Horizontal green and magenta lines are converged by varying the two tabs together, keeping the angle between
them constant.
OSD OPRATION
Displays Main Menu; also saves
1
Changes/exits Main Menu
Scroll through menu
options and adjust the
2
displayed control
Displays control screen for highlighted control (or pair of controls). Also, toggles between pairs of
3
controls on some control screens
1 2 3
Purity Magnets
6-pole Convergence Magnets
4-pole Convergence Magnets
Deflection Yoke
4 Power Light
Power On/Off
5
10
4 5