Q7C3 LCD Monitor Service Guide
Engineering Specification
16
Brightness Uniformity = Min. brightness / Max. brightness x 100 % > 70%
4. Functional specification
All the tests to verify specifications in this section must be performed under the following standard conditions
unless otherwise noted. The standard conditions are:
-Temperature : 0 to 40 degree Celsius
-AC line input voltage : 90 Vac to 264 Vac, 47Hz or 63Hz
-Warm-up time : 30 minutes minimum
4.1 Display Quality
4.1.1 Display Data Area (with full white pattern)
(1) Horizontal: 337.920 mm
(2) Vertical: 270.336 mm
4.1.2 Video Performance
(1) Resolution : 1280 X 1024 pixels Maximum
(2) Contrast ratio : 250(Min.), 450(Typ.)
(3) Response time : 16 mS(Typ.)
(4)Viewing angle : Up:70
°
Down:70
°
R/L:70
°
(At contrast ratio >= 10)
(5)CIE Coordinate: White ( 0.31, 0.33 ) +/- (0.03, 0.03) (at user mode)
(6) Display color: 18 bits color
4.1.3 Light Output
Brightness rating : 260cd/
㎡
(Typ.)
@7.0mA
4.1.4 Brightness Adjustment Range
At contrast ratio control set at maximum level, adjusting Brightness control from minimum to maximum position,
the light output of WHITE pattern shall be increased more than
40cd/
㎡
.
4.2 Audio Quality
4.2.1 Poweramp:
(1) Output Power :
1.0 W rms/CH @ 1KHz,1Vp-p
(2) THD (@ 1W) :
<10%
(3) S/N ratio :
50db
4.2.2 Speaker Driver:
(1) Nominal Impedance:
8 Ohm
(2) Maximum Input Power:
2 W/CH
(3) Frequency Response:
12KHz
(4) Size:
40*28.5 mm
(5) Magnetic Shield:
Required
4.2.3 Audio Controls:
(1) Volume 0- 100 levels
