Acer AL2017, Service Manual

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Acer Service Manual
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.
18
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
Defect Type Specification Size Count (N)
Majo
r
Minor
Black spots which appear
when B/L operating
Dot Shape(Particle
、
Scratch
and Bubbles in Display area
or on The Polarizer)
●
0.15mm
≤
D
≤
0. 5 mm N
≤
3
L ≤ 0.5mm and W ≤ 0.05 mm Ignored
0.5mm < L ≤ 5mm and
0.05mm < W ≤ 0.1mm
N
≤
4
Line Shape
(Particles
、
Scratch
、
Fiber and
Bubbles in display area or on
The Polarizer)
●
L > 5mm or W > 0.1mm N = 0
There should be non-uniformity through
5% transparency of filter or judge by limit
sample if necessary.
Display non-uniformity
●
Scratch ●
No harm
Dirt ●
Wrap No harm ●
Bezel
Sunken No harm ●
No label ●
Invert label ● No
Broken ●
Dirt Word can be read. ●
Not clear ●
Label
Word out of
●
h
Mistake No ●
Position Be attached on right position ●
Not enough No ●
Screw
Limp No ●
Connecto Connection
No bend on pins and damage ●
t t
FPC/FFC Broken No ●