NEC MultiSync FE001SB, Service Manual

Page: 90 / 178

5-24
5.7 Misconvergence
Zone A: X, Y
≤
0.25 mm within the 236 mm diameter circle
Misconvergence
Zone B: X, Y
≤
0.3 mm within 315 mm x 236 mm
* With White Crosshatch (17 lines horizontally by 13 lines vertically ) applied.
* Zone A is a circular area with 236mm diameter at the center.
* Zone B is a rectangular area (315mm x 236mm) outside of the Zone A.
* Use worst case horizontal/vertical misconvergence between any two primary colors.
5.8 Focus
Focus
Signal No.13
Contrast : Max.
Brightness: Cut off Resolution: 1600 x 1280 (75Hz)
Character: 7 x 9 pixel ”
∃
”
Color : White
Judgment:
“
∃
” character are readable with clearly at the whole screen.
9 lines
7 dots
The gap between lines
should be crisp.
Use the video card “Matrox G550” and receive Microsoft
Excel “Work sheet” (1280*1024(85)).
Make sure that there is no double line for horizontal.
Zone A
Zone B
X
Y