Color Quality; Misconvergence; Moire; Impurity - Acer 7299sl Service Manual

1.4.2 Color Quality

1.4.2.1 Misconvergence

Use "crosshatch" white pattern, then set the brightness control at weight number is 50 & contrast
control max. to examine the convergence.
The misconvergence must strictly meet the requirements stated as follows:
1.4.2.2 Moire ( the distance of watch is 30cm from eyes to screen)
In the pattern of all green, all blue, all red, or all white, and the luminance is
allowed to appear,(Limit samples should be used by mutual agreement , if necessary).

1.4.2.3 Impurity

Impurity should not appear in the pattern of all green, all blue, all red, or all white, the brightness
is 0 to max. Ft-L and the screen display is set to east direction.

1.4.2.4 White Balance

The following 5 different white balance is required to meet the specifications of x. y variety value
4% when the unit is set to "28 Ft-L, full white pattern cut-off", and the specifications of x.y variety
value
a. Color temperature for TCO95/MPRII
Color Temperature
11500°K
9300°K
7100°K
6500°K
5500°K
b. Color temperature for TCO99:
Color Temperature
11500°K
9300°K
7100°K
6500°K
5500°K
System Overview
A
360mm
10% when the unit is set to "5~max. Ft-L, cut-off, 3" block pattern"
x
0.272
0.283
0.304
0.313
0.333
x
0.272
0.283
0.304
0.313
0.333
API Confidential

No Copy/Reproduction Allowed

Center <=0.15mm
270mm A:
<=
0.30mm
B
B: <=
0.40mm
y
0.283
0.297
0.320
0.329
0.348
y u'
0.283 0.186
0.297 0.189
0.320 0.195
0.329 0.198
0.348 0.204
18Ft-L, moire is not
v'
0.435
0.446
0.462
0.468
0.481
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