Fujitsu FSC P20W-3 Service Manual page 14

20" LCD Color Monitor
MECHANICAL FAULTS
ITEM
Polarizer scratch
Bright line or dark line
Polarizer dent / bubble
Semitransparent smudge, smear, dirt or stain
other than pixel defect.
Dust, Grains or other blemish
Bezel scratch, dirt, wrap, sunken
Maximum allowable number of defects
1. Viewing distance 35 cm perpendicularly in front of the LCD module
Picture Size and Centering
All pixels of the active are have to be visible.
MAX. BRIGHTNESS
> 300 cd/m2 (Typ)
> 250 cd/m² ( Min)
MIN. BRIGHTNESS
< 33% of max. brightness
Test conditions:
Accept
0.01 < W ≤ 0.1
0.3 < L ≤ 4.0
0.08 < W ≤ 0.1
0.3 < L ≤ 4.0
D ≤ 1.0
D < 0.5mm
Not visible with human eye
Does not cause harm or danger
N ≤ 5
Test conditions:
• total display area
• video input = 0.700V
• brightness control is set to max.
• contrast control is set to max.
• native colour
• center of screen
• Native colour
• standard settings, but back light dimmed to a minimum
value (Video level: 0-700mV); CR might be lower than
defined under item "character contrast"
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INSPECTION CRITERIA
Reject
W > 0.1
L > 4.0
N ≤ 3 N > 3
W > 0.1
L > 4.0
N ≤ 4 N > 4
D > 1.0
N ≤ 5 N > 5
D > 0.5mm
N < 5 N > 5
N > 5
Centering:
|A – B| and |C - D| ≤ 1.0 mm
|E – F| and |G - H| ≤ 1.0 mm
Tilt:
|A - C| ≤ 1.0 mm
FSC P20W-3
NOTE
1