Acer K130 - Page 53

Condential
4-5
K130
6. Focus Test
Procedure - Test equipment: video generator
- Test signal: 1280*800@60Hz
-Test Pattern: Full screen
Inspection item - Focus check
Criteria - From screen 1.0M via visual to check the focus, look
at the entire screen, focus shall be clear, crisp, and
sharp over the entire surface of the display pattern.
(Blur word on one of the corner after adjustment is
acceptable. However, the word should at least
be recognizable.)
Note:After adiust the focus , if the screen appear as picture A will be
regarded as OK .Otherwise , if the screen appear as picture B will
be adjudicated as NG.
A OK
B NG”Poor”
Order Symptom Pattern Criteria
1
Bright pixel ( dots) Full black A=0
2
Dark pixel(dots) Full white A ≤ 3
3
Bright blemish Gray 10 A=0
4
Dark Blemish
Blue 60 A =0
5
Bright dot on frame Full black ≤ 1
6
Unstable pixel
Full white & Full
black
A ≤ 1
7
Adjacent dark pixel
Full white & Full
black
A = 0
Pixel specication
Full Screen