ViewSonic VX910 Service Manual

6.2 Power Board(Inverter Section)
This is a specific inverter for VX910 monitor backlight which converters 12Vdc to drive four cold cathode
fluorescence tubes. Electrical specification described as below.
Rated Input Voltage 12Vdc
Input Voltage Range 11.4~12.6Vdc
Input Current <1.96A
Off state Input Power <0.1W
INPUT
On / off control Voltage 2~5.25 for on, 0~0.13 for off
Rated Output Strike-on Voltage 1500~2000Vrms
Rated Output Voltage 710Vrms at 6mA
Rated Output Frequency 40~50KHz
OUTPUT
Rated Output Current 6~7mA
6.3 Power Board(Power Section)
This is a general purpose AC / DC adapter which converter 90~240 Vac to a stabilized DC voltage 12 V with
rated output current of 4.16A. Electrical specification described as below.
Rated Input Voltage 90~264Vac, 47~63Hz
Operation Input Voltage 100~240Vac, 50~60Hz
Input Current <1.5A
Inrush Current <50A @ 120Vac(Cold start)
INPUT
Standby Input Voltage 12Vdc
Output Voltage Regulation +/-5%
Output Ripple and Noise 120 mVp-p
Rated Output Current <3.5A
OUTPUT
Turn-on Delay <3 seconds
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ViewSonic Corporation Confidential
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Do Not Copy VX910

ViewSonic VX910 Specifications

General

Pixel pitch	0.294 mm
Response time	16 ms
Display diagonal	19 \
Display resolution	1280 x 1024 pixels
Vertical scan range	50 - 85 Hz
Horizontal scan range	24 - 82 kHz
Viewable size, vertical	301 mm
Viewable size, horizontal	376 mm
Viewing angle, horizontal	160 °
Display brightness (typical)	250 cd/m²
Certification	TCO’99, TÜV/GS, TÜV/ERGO, ISO13406-2 (class 2), CE, UL, cUL, FCC-B, CB, ENERGY, NOM, NEMKO, NEMKO ERGO, GOST-R, SASO, PCBC, VCCI, BSMI, CCC, PSB, C-TICK, Argentina-S, Green Mark
Market positioning	-
Power management	TCO’99, ENERGY Standards
Tilt angle range	5 - 20 °
Compatibility	PC/Mac
Operating relative humidity (H-H)	10 - 90 %
Maximum operating temperature range (T-T)	0 - 40 °C

Weight and Dimensions

Depth (without stand)	468 mm
Width (without stand)	431 mm
Height (without stand)	201 mm
Weight (without stand)	6700 g