BenQ GL2040 Service Manual page 15

(2) Display Inspection
Random
Bright dot
2 dots adjacent
3 dots adjacent or more
Random
Dark dot
2 dots adjacent
3 dots adjacent or more
Minimum Distance Between Bright dots
Distance
Minimum Distance Between Dark dots
Total bright and dark dot
Display failure (V-line/H-line/Cross line etc.)
Mura Not visible through 8% ND filter at 50% gray pattern or judge by limit sample ifnecessary
(2) Appearance inspection
Foreign Black/White/Bright Spot
Foreign Black/White/Bright Lint
Polarizer Scratches
Dent/Air Bubble
5. External Appearance Inspection Criteria
Item
Parts mounting, incomplete assembly, deformation, oxidized, crooked or rusty is not
Screw
permitted.
CCFT cable
Metal frame
(Bezel)
Backlight
Break-off
Stain on Polarizer
Tape/Label
Connector
Outline size
Items
Item
Cable not continuous、Break-off 、Connector Burn-off /Break-off
*Noticeable scratch and exfoliation coating are not permitted.
Scratch
*The oxidized metal is not permitted.
Incomplete assembly is not permitted.
Scratch The scratch which may cause a problem in practical use is not permitted.
Breaking off is not permitted.
Crack The crack is not permitted.
The stain which can't be wiped off is not permitted.
Incorrect position, missed label is not permitted.
Oxidized/rusty connector is not permitted.
Spec. out is not permitted.
Standards
0.15＜D 0.5 mm, N 4
≦
0.05＜W 0.1 mm, 0.5 ≦
0.05＜W 0.1 mm, 0.5
≦
Avg. 0.15<D 0.5 mm, N 4
≦
Contents
15
Acceptable count
N 2
≦
N 1
≦
N 0
≦
N 3
≦
N 1
≦
N 0
≦
L 15mm
≧
L 15mm
≧
N 4
≦
Not allowable
≦
＜L 5.0 mm, N 4 ≦ ≦
＜L 10.0 mm, N 4
≦ ≦
≦