Service manual

Regulatory Standards UL, cUL, FCC-B, CB, CE, EPA, NOM, TUV/GS, TUV ERGO (covers ISO13406-2 &
MPRII), NEMKO, SEMKO, DEMKO, FIMKO, GOST-R + 20 ORIGINAL COPIES
HYGIENIC, PCBC, VCCI, BSMI, CCEE, PSB,C-TICK, TUV-S , TCO'99(VG910b),
TCO'03(VG910s), Energy, Energy Star, PCT, Taiwan Green Mark
Others Tilt Angle 20° up / 5° down
VESA DDC 2B compatible
2.2 Electrical Characteristics
2.2.1 Power Supply
AC Input Voltage AC 100~240V / 47.5~63Hz
Power Consumption：
Less than 60W On mode
Less than 1W Active Off mode
Less than 1W DC power Off
Current Rating 2A @ AC 100~240V
Inrush Current
Less than 50 Amp(peak) for 120 VAC
Less than 100 Amp(peak) for 220 VAC
Power cord：detachable, 3P, 1.8m
2.2.2 LCD
LCD Active matrix thin-film-transistor (TFT)
Active screen size 19.0 inches (376.32mm × 301.056mm) diagonal
Pixel Format 1280 x 1024 (SXGA )
R.G.B. stripe arrangement
Display method TFT, normally Black
Pixel pitch 0.294 (H) x 0.294 (V) mm
Dot number 1280 x 1024 x 3 dots
Backlight Edge-lighting type with 4 CCFL
(Cold Cathode Fluorescent Lamp)
Brightness 250 cd/m
2
(Typ.)
Contrast ratio 600:1 (Typ.
)
Display color 16,777,216 colors
viewing angle typical Up 85° / down 85° / right 85° / left 85°
(Contrast ratio≧10 at Ta=25°C / 77°F)
Response time Rise time 15mS, Fall time 10mS (Typ. at Ta=25°C)
2.2.3 Power Management
VG910 will enter power saving mode under the following conditions:
Power Management condition and status in AC 240V
Signals
State
Horizontal Vertical Video
Power
Supply
LED
On Pulses Pulses Active <60W Green
Pulse No Pulse
Active off
No Pulse Pulse
Blank <1W Amber
No Pulses No Pulses
Out off scan range
<30KHz ,
>82KHz
<50Hz ,
>85Hz
- <60W
Green
3
ViewSonic Corporation Confidential
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Do Not Copy VG910s/b