6-5
3. CRT
[A] CRT face plate defect
1. Inspection condition
1) In the operating condition, observe the defect on the screen under following condition :
9,300K (
Δ
x=0.281,
Δ
y=0.311)
white raster or the element monochrome raster which its brightness is 34cd/m
2
(10ft
・
L) on the screen
center surrounding light is about 10 Lux
2) In the non-operating condition, observe the defect of the screen under light of about 200 Lux,
measured at the faceplate.
3) Inspection shall be made more than 45 cm away from the screen.
4) Observe the screen on white raster and each monochrome color of red, green, and blue.
2. Division of zone
A screen is divided into following 2 zones.
Zone A: Area inside the rectangle that its size measures H: 395 mm, V: 295 mm in the center of screen.
Zone B: Area outside the above rectangle
3. Limits
3-1. CRT face defect
3-1-1. Distance (minimum distance)
3-1-2. Average diagram
Turn of
a
b
!
2
or
a
b
20
2
!
small value into an on the average diameter. (a: length, b: width)
3-1-3. Limit
- Dark spot, Blocked aparture
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)
10 mm
- Discoloration, stain, Missing phospher, etc.
Average diameter(mm)
A
B
A + B
minimum distance
0.51
~
0.75
0
1
-
20 mm
0.15
~
0.50
2
3
-
20 mm
Note 1: No missing spot larger than specified are allowed in Zone A.
Note 2: The spec. applies to each color.
a
b
Summary of Contents for MultiSync FP1370
Page 13: ...4 4 REMARK SYMBOL Mount the EMF PWB 121E REMARK SYMBOL Clamp the connector ...
Page 14: ...4 5 REMARK SYMBOL COIL FORMING UPPER SIDE REMARK SYMBOL COIL FORMING LOWER SIDE ...
Page 23: ...4 14 REMARK SYMBOL REMARK SYMBOL Clamp CN CA CN CC and CN D with CLAMPER WIRE ...
Page 26: ...4 17 REMARK SYMBOL Clamp the wires SAFETY REMARK SYMBOL Clamp the wires CN ASD CN AF 21 ...
Page 80: ...5 51 Fig 3 11 CONV PWB Fig 3 12 EMF PWB CN EMF CN LL CN RR CNEM CN CA CN D CN CCB HS8N1 ...
Page 143: ...8 18 15V 80V AFC D FOCUS Fig 3 1 HIGH VOLTAGE CIRCUIT AND PROTECTOR CIRCUIT ...
Page 260: ...10 1 ...
Page 261: ...10 2 ...
Page 262: ...10 3 ...
Page 263: ...10 4 ...
Page 264: ...10 5 ...
Page 266: ...for Human Potential ...
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