Acer AL2017 Manuale di servizio - Pagina 19
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Acer
defined 5% transmission ND filter.
Note 2: Light Leakage: There shall not be visible light around the customer's bezel after assembly in
normal View angle.
Defect Type
Dot Shape(Particle、Scratch
and Bubbles in Display area
or on The Polarizer)
Line Shape
(Particles、Scratch、Fiber and
Bubbles in display area or on
The Polarizer)
Display non-uniformity
Scratch
Dirt
Bezel
Wrap
Sunken
No label
Invert label
Broken
Dirt
Label
Not clear
Word out of
h
Mistake
Position
Not enough
Screw
Limp
Connecto
Connection
t t
FPC/FFC
Broken
5. PICTURE CHECK
5.1 Check brightness uniformity
5.1.1 Test mode: 1400x1050 @ 60 Hz
5.1.2 Test pattern: pattern #41 of "WHITE"
5.1.3 Test tool: Color Analyzer Chroma7120
Specification Size
Black spots which appear
when B/L operating
0.15mm ≤ D ≤ 0. 5 mm
L ≤ 0.5mm and W ≤ 0.05 mm
0.5mm < L ≤ 5mm and
0.05mm < W ≤ 0.1mm
L > 5mm or W > 0.1mm
There should be non-uniformity through
5% transparency of filter or judge by limit
sample if necessary.
No harm
No harm
No harm
No
Word can be read.
No
Be attached on right position
No
No
No bend on pins and damage
No
18
Service Manual
Majo
Count (N)
r
N ≤ 3
Ignored
N ≤4
N = 0
Minor
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