5-26
6. CRT Limits of Screen and Faceplate Blemish
6.1 CRT Face plate defect
6.1.1 Inspection condition
1) Adjust each gun to provide approximately 34cd/m2 of 9300K+27M.P.C.D. (or 6550K+727M.P.C.D.) light at
the center of the screen. Ambient light level at the tube face should be approximately 10 luxes.
2) When the tube is not operating, the screen should be viewed under high-level source incandescent light of
approximately 200 luxes measured at he faceplate surface.
3) The screen should be viewed distance of 60 cm for both cases.
4) View white and R, G, B individual color, and faceplate appearances.
6.1.2 Quality zone
The screen quality area is divided into the following two quality zones.
Zone A : Inside of the central rectangle of horizontal 360mm by vertical 270mm on the screen.
Zone B : Outside of this rectangle on the screen.
6.1.3 Screen and Faceplate Blemish Acceptance Criteria
1) Screen blemish
a. Minimum separation of defects : d
b. Average diameter of defects :
Turn of (a + b) / 2
(a: length, b: width)
c. Acceptance criteria for screen blemishes
Black spot, missing aperture
Average diameter (mm)
A
B
A + B
Minimum distance
0.51
~
0 0 0 -
0.31 ~ 0.50
0
0
0
-
0.15 ~ 0.30
6 (note 1)
6 (note 1)
10 (note 1)
10mm
Discoloration, stain, Missing phosphor, etc.
Average diameter (mm)
A
B
A + B
Minimum distance
0.51 ~ 0.75
0
1
-
20mm
00.15 ~ 0.50
2
3
-
20mm
Note 1: Applied for each color independently.
a
b
d
Summary of Contents for MultiSync FE001SB
Page 5: ...1 1 User s Manual 1 A Version MultiSync FE791SBTM FE991SBTM ...
Page 10: ...1 6 4 Quick Start continued Figure D 1 Figure C 1 Power Button ...
Page 29: ...1 25 2 B Version User s Manual MultiSyncFE791SB FE991SB ...
Page 76: ...5 10 4 1 2 OSM On Screen Manager Function 4 1 2 1 OSM Menu Tab 1 Tab 2 Tab 3 Tab 4 ...
Page 79: ...5 13 Tab 7 Refresh Notifier Refresh Notifier Item Reset Tab Reset Factory Preset ...
Page 80: ...5 14 Others ...
Page 109: ...6 10 8 POOR HORIZONTAL LINEARITY POOR HORIZONTAL LINEARITY NO TROUBLE T303 Q310 ...
Page 176: ......