Service manual

INSPECTION
- 17 -
1. PERFORMANCE INSPECTION
NO.
ITEMS PATTERN INSPECTION CRITERIA
2
Luminance Full White Check Luminance on 255
g
rey level
200(min.)
,
250(typ.)
Cd/m2 at the center
3
Luminance
Uniformity
Full White
1) Measure
luminance at each point
(5 point) on brightness/contrast
max condition.
2) Calculate l/u with formula.
[B max - B min]
B max
X 100 %
75 % (max.)
4
White
Balance
Full White
1) Measure
color coordinate at each
color temperature. (6500k & 9300k)
2) Measure color coordinate on R,G,B
if required.
6500k,
Wx=0.313 0.03
Wy=0.329 0.03
9300k,
Wx=0.281 0.03
Wy=0.31
1 0.03
5 DPM
Full White
All Mode
Check wattage and LED color at each
mode
1) Normal mode (H/ V: on/on)
2) Stand-by mode (H/ V : off/on)
3) Suspend mode (H/ V : on/off)
4) DPM off mode (H/ V : off/off)
5) Power s/w off mode
1)
53 W,
3W,
Green
2)
Amber
3W,
Amber
3W
2W
,
Amber
3)
4)
5)
6 DDC 2B All Mode
Display EDID data from memory and
Compare with standard EDID format for
LN801H.
B2 B3
B1
B4 B5