- 19 - Document No. VSPF-A028
Notes 9
1. Dot defect
Defective part exceeds 30% of area at one dot.
2.Dot defective with luminous mode:
Luminous dot which bright more than 30%
C
when display the screen with all black
pattern.
3. Dot defective with dark mode:
Luminous dot which bright more than 70%
C
when display the screen with all white
pattern.
4.One dot defect:
The defective isolated dot.(Start that it is not adjacent to other defective dots.)
5.Linkage (Adjacent) dots:
To defined as linked two or more adjacent defect dots.
6.Average Diameter defined as follows.
a
b
D:Average Diameter
D=(a+b)/2
Definition of defect dot: Defect area is out of 1/3 dot size. Defect size is confirmed by using 10 times of loupe.
Also dot defects include intermittent bright and dark dots which can be recognized with
the naked eye.
Note 10 :
No ND Filter for luminance defects
Note 11. :
A stain on the single color screen specified as follows.
Number: 1 max
C
Size: 1.5mm max
Note 12. :
Spot Mura judged by 128/255gradiation screen : Size : D=15mm Max
Note 13. :
Ignore the thing that can be wiped out.
Note 14. :
Applicable only in A area, not in B area
R
RGB
1 dot
1 pixel
RGB
5x5 pixels
Summary of Contents for NEC MultiSync LCD1550X LCD1550X LCD1550X
Page 88: ...SCHEMATIC DIAGRAM POWER LCD1550X Normal Power Save 1ch Pin 4 2ch Pin 1 3ch Pin 2 4ch Pin 5...
Page 89: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...
Page 90: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...
Page 91: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...
Page 92: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...
Page 96: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...
Page 97: ...SCHEMATIC DIAGRAM INVERTER LCD1550X 1ch Q701 B 2ch Q702 B...
Page 98: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...
Page 100: ...SCHEMATIC DIAGRAM POWER LCD1550X...
Page 101: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...
Page 102: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...
Page 103: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...
Page 104: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...
Page 105: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X...
Page 106: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...
Page 107: ...SCHEMATIC DIAGRAM INVERTER LCD1550X...
Page 108: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...
Page 127: ...16 Document No VSPF A028 Bave Average brightness of 1 to 9 10 50 90 90 10 50 5 1 2 3 6 9 8 7 4...
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