Specification - ViewSonic VP720B - ThinEdge - 17" LCD Monitor Service Manual

2. Specification

1. General Requirements
General Specifications
Test Resolution & Frequency
Test Image Size
Contrast and Brightness Controls
2. Signal Interface
Video Interface
Analog Input Connector
Default Input Connector
Video Cable Connector DB-15 Pin out
Video Signals
Video Impedance
Exclusions
3. Power
Power Supply
Input Voltage Range
Power Dissipation
4. AUDIO INTERFACE (SPEAKER SPECIFICATION)
Speaker specification
Line input connection
Line input signal
Line input impedance
Maximum power output (Electric)
Signal to Noise Ratio
Frequency response
Distortion
Vibration
Screen image
Connector PC99 requirement Audio in
Cable type / length
Audio DPMS
No any sympathetic or abnormal noise allowed under Volume OSD ≤ 70%
5. Electrical Requirements
Horizontal Frequency
Vertical Refresh Rate
Maximum Pixel Clock
Sync Polarity
ViewSonic Corporation
"1280 x 1024" @ 60Hz
Full Size
Factory Default:
Contrast = 100%, Brightness = 100%
DB-15 (Analog)
DVI = DVI-D (Digital)
Defaults to the first detected input
Compliant DDC 1/2B.
Video RGB (Analog)
Separate Sync / Composite Sync / SOG
TMDS (Digital)
75 Ohms (Analog), 100 Ohms (Digital)
Not compatible with interlaced video.
90 to 264 VAC
40 Watts (Typ.)
3.5 mm stereo jack
1.0 Vrms
22 kOhm
1 W@ < 15 % distortion
40 dB
100 Hz – 20 Khz
< 5 % THD (@1kHz)
There should be no audible vibration with volume at
100% and treble / bass at default.
There should be no affect on the screen image
stability under any conditions.
Lime Green pantone # 577C
3.5mm stereo cable / 1.8m length
Speakers should be off when the rest of the monitor
is in power saving.
24 – 82 kHz
50 – 85 Hz.
135 MHz
Independent of sync polarity.
Confidential – Do Not Copy
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