1.Carton drop test – 1 carton per item
Drop 1 corner, 3 edges & 6 faces) onto a concrete floor from a height of:
1-20.99 lbs: 76cm
21-40.99lbs: 61cm
41- 60.99lbs: 46cm
61-99.99lbs: 30cm
No deformation in appearance,
No any detachable part come out,
2. Barcode scan check – S-3
3. Hi-pot test (High voltage test between live parts & external metal):
4. Earth continuity resistance test:
5. OSD check: (on-screen display)
6. Button function check:
7. Timing check (if applicable):
turns change Timing of all factory ,check the screen: can not occur jitter, noise, smear, flash
8. Screen dimension check:
9. Luminance &color temperature test:
measure distance: the protect cap is close to the panel
measure angle: the measure must be perpendicular to panel
change full-white pattern, measure and record
the color temperature value in the center: y, x axis
adjust bright &contrast max, measure and record
the Luminance value in the center: Lo
turn to full-black pattern, measure and record
(Spec.: xw=0.283+0.015,yw=0.297+0.015 for temperature value; L0>500cd/m2, L01<1.0cd/m2 for luminance value; CR=L0 / L01>400)
10.Panel check:
11.Gray graduation check:
Gray pattern changes evenly
12.High resolution test (if applicable):
Display “out of range” on screen
13.Power test:
14.Beat test Full white picture)
use rubber bat beat LCD back cover and side cover of 5~8KGF, Beat 3~5 times |