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Home > Hardware Reviews > PC Parts

Friday, July 28, 2006
Viewsonic VP930b

1. Introduction

Viewsonic is one of the largest and best known manufacturers of CRT and TFT monitors. Viewsonic has a complete product line of TFT monitors, which includes a 19" monitor, the VP930b. We had the opportunity to test this monitor and present our thoughts about it, compared with much lower priced TFT displays from other manufacturers. The main reason we wanted to test the VP930b is that it had some unique features (2xDSUB15 + 1x DVI) as well as pivot, swivel and height adjustment.

- Viewsonic VP930b

Viewsonic has many product lines. The VP930b is characterized as "Pro Series", indicating it is aimed more for professional use.

The main features of the VP930b are:

  • ClearMotiv technology: Ultra-fast 8ms (gray-to-gray) video response enables digital HD quality full motion video. Intermediate gray-to-gray, brightness and color changes comprise the vast majority of video transitions.
  • Amplified Impulse technology: Advanced amplified impulse technology accelerates grayscale transitions for superior motion video and gaming.
  • ThinEdge maximizes your productivity: The ultra-slim 0.67" bezel design enhances your visual experience with clean, minimalist borders around the active image area. Suitable for tiling and stacking. Ideal for multiple-monitor setups.
  • PerfectSuite: Professional-grade LCD control software featuring color calibration, asset management, theft deterrence, and auto screen rotation.
  • Full 19" viewable screen: 1280x1024 optimum resolution and HD-720p compatible.
  • Pivot, swivel, height and wall-mount versatility: VESA wall-mount interface and detachable base for ergonomic flexibility with pivot, tilt, 270 swivel and 5.3"of height adjustment.
  • High brightness and contrast: 250-nit brightness (typ) and 1000:1 contrast ratio (typ).
  • A safe investment - "Zero Bright Dot":Improved regulation for dealing with pixel errors. VP930 customers can return their product within the DOA period - even if only a single sub-pixel is constantly bright on a dark background.
  • XtremeView 170 viewing angles
  • Integrated power supply with hard power switch
  • Multiple analog/digital inputs expand your connectivity

- Used Technology

According to Viewsonic "..SuperClearMVA technology combines SuperClear screen technology and innovative Multidomain Vertical Alignment technology to deliver high contrast, brilliant color, improved viewing angles and superior clarity for moving images...".

The panel, manufactured by AUO, has the following specs:

Size 19"
Model M190EG01 V0
Resolution (pixel)
SXGA (1280 x 1024)
Aspect Ratio
5 : 4
Active Area (mm)
376.3 x 301.1
Pixel Pitch (mm)
0.294
Mode
Premium MVA
Number of Colors
16.7M
Color Saturation (%)
72
View Angle (H/V)
178 / 178
Brightness (cd/m²)
300
Contrast Ratio
1300 : 1
Response Time (ms) (at 25°C)
8 (gray to gray)
Power Consumption (W)
28.0
Interface
2ch LVDS
Supply Voltage (V)
5
Backlight
4 CCFL
Outline Dimensions (mm)
396.0 x 324.0 x 17.5
Weight (g)
2500

The specs indicate that the panel is capable of displaying 16.7 million colors (24 bit), while it offers an impressive 1300:1 contrast ratio. Very good specs, at least on paper.

- Full Specifications
LCD PANEL
Type
19" MVA colour TFT active matrix SXGA LCD
Display Area
376mm (horizontal) x 301mm (vertical),
483mm diagonal
Pixel Pitch
0.294mm
Optimum Resolution
1280 x 1024
Bandwidth
135MHz
Contrast Ratio
1000:1 (typ.)
Viewing Angle
170° horizontal, 170° vertical (at 10:1)
Response Time
8ms (grey-to-grey), 20ms (off-on-off)
Colour Support
16.7M (24 bit)
Brightness
250cd/m² (typ.)
Panel Surface
Anti-glare
VIDEO INPUT
Analogue
RGB analogue (0.7/1.0 Vp-p , 75 ohms)
Digital
DVI-D (TMDS, 100 ohms)
Frequency
Fh: 24-82kHz,
Fv: 50-85Hz
Synchronisation
H/V separated (TTL), composite, sync on green
COMPATIBILITY
PC
Compatible from VGA up to 1280 x 1024 non-interlaced (max. 75Hz)
Mac®¹
Power Mac™ up to 1280 x 1024 (max. 75Hz)
CONNECTORS
Analogue
2 x 15-pin mini D-sub (detachable cable)
Digital
DVI-D (detachable cable)
Power
3-pin plug (CEE22)
POWER
Voltage
AC 100-240V, 50-60Hz (Auto-Switch), internal power supply
Consumption
35 watt (max.), <= 1 watt in suspend mode
ERGONOMICS
Tilt
Down 5°, up 20°
Swivel
270° (135° left/right)
Pivot
0°~90°
Height Adjustment
0~135mm

CONTROLS
Basic
Soft power, menu [1] , down, up, select [2], main power
OSD
Auto image adjust, contrast, brightness, input select (D-sub 1, D-sub 2, DVI), colour adjust (sRGB, 9300K, 7500K, 6500K, 5400K, 5000K, user RGB), information (resolution, H/V frequency, pixel clock, model number, serial number), manual image adjust (H/V position, H size, fine tune, sharpness), setup menu (language, resolution notice, OSD position, OSD timeout, OSD background, OSD pivot), auto white balance, OSD/power lock, memory recall
OPERATING
CONDITION
Temperature
0° to 40°
Humidity
10% to 90% (non-condensing)
DIMENSIONS
(W x H x D)
412 x 356–491 x 289 (w/stand)
412 x 336 x 61 (w/o stand)
WEIGHT
Net
6.8kg (w/ stand);
4.2 kg (w/o stand)
REGULATIONS
TCO'03, TUV/GS, TUV/Ergo, ISO 13406-2 (pixel failure class II), TUV S, UL, cUL, FCC-B (ICES), CB, CE, ICES-003B, NOM, ENERGY, Energy Start, GOSTR, Hygienic, SASO, KTL/MIC, BSMI, CCC, PSB, C-TICK, WEEE
POWER MANAGEMENT
Meets TCO'03, ENERGY and Energy Star standards
PACKAGE CONTENTS
LCD display, power cable, 15-pin VGA video cable, DVI cable, Quick Start Guide, ViewSonic Wizard CD-ROM (User Guide/drivers/PerfectSuite software), portrait/pivot CD-ROM software
WARRANTY
Visit this page

According to Viewsonic, DOA ( Dead on Arrival) timeframe for return is based on the fact that 99% of such types of sub-pixel errors result within a single normal thermo cycle (i.e. after the display has been on for a period, then off for a period and then on again: hot, cold, hot).

Pixel Defect Policy

From Viewsonic: "...For any sub pixel defect (red or green or blue) ViewSonic LCD display products are warranted in accordance with the ISO standard 13406-2 class II. On pixels ViewSonic exceeds ISO 13406-2 class II requirements not allowing for any defective (permanently dark or bright) complete pixel consisting of red, green, and blue sub pixels (“Zero Pixel Defect Policy”)..." This means you must have at least 2 dead pixels, in order to have a monitor replaced. Below you can see what the ISO standard 13406-2 characterises as class II:




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