Acer P221W - Advanced Picture Settings; Color and Position Adjustments; Language and Input Selection; OSD Timeout and Information

Acer Service Manual
Defect Type Specification Size Count (N)
Majo
r
Minor
Dot Shape(ParticleScratch
and Bubbles in Display area
or on The Polarizer)
Black spots which appear
when B/L operating
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
●
Display non-uniformity
There should be non-uniformity through 5%
transparency of filter or judge by limit
sample if necessary.
●
Scratch ●
Dirt
No harm
●
Wrap No harm ●
Bezel
Sunken No harm ●
No label ●
Invert label ●
Broken
No
●
Dirt Word can be read. ●
Not clear ●
Word out of
shape
●
Mistake No ●
Label
Position Be attached on right position ●
Not enough No ●
Screw
Limp No ●
Connecto
r
Connection
st
atus
No bend on pins and damage ●
FPC/FFC Broken No ●
5. PICTURE CHECK
5.1 Check brightness uniformity
5.1.1 Test mode: 1680x1050 @ 60 Hz
5.1.2 Test pattern: pattern #41 of “WHITE”
5.1.3 Test tool: Color Analyzer Chroma7120
17