ViewSonic VTMS2431 Service Manual page 8

Electrical
4.
The following table defines the electrical specification of this product.
1 Power Input Voltage Range
2 Input Frequency Range
3 Input Current
4 Power Supply Inrush
5 Power Consumption:
6 Interference with RF and Video
7 Electromagnetic Compatibility
Power Supply Transient Immunity
8
(Supply Transients and Outage)
9 Surge Immunity Test
Power Supply
10
Immunity
11 Power Supply Acoustics
12 Efficiency
13 Leakage Current
14 Power Saving(DPMS)
15 Recovery Time
16 Power Factor Correction
5. Firmware & OSD
The product firmware of VS12335-2M shall have a firmware version of V2.00EB0. Any
changes/revisions afterward shall also be pre-approved by ViewSonic in written. For VS12335-1M,
its firmware shall have a built-in frequency table for NTSC/ATSC off-air TV/CATV, and with MTS
implementation.
All audio/video and other output adjustments shall be performed by using an On Screen Display (OSD)
via a Remote Control Unit (RCU) in conjunction with the front panel adjustments.The following tables
list the OSD functions supported by VS12335 -2M.
OSD Table for VS12335-2M
PICTURE
ViewSonic Corporation
ELECTRICAL SPECIFICATION
100-240VAC +/- 10% Wide Range
47-63 Hz
1.0A @ 115VAC // 0.5A @ 230VAC
Max in < 80A (with fully loaded power supply) at 230Vac
Shall not result in permanent failure of power supply
(including blown fuse)
60 W (Normal), 75W (Max) // Stand by: < 2 W
There shall be no visible interference between power supply,
RF and video signals.
channels and video modes.
This product shall adhere to the compatibility and immunity
specifications in FCC.
Able to withstand an ANSI / IEEE C62.41 – 1980 2000V
ring wave with no damage.
Able to withstand 1.25X nominal Line Voltage for one cycle
with no damage.
Missing Cycle Function properly without reset or visible screen artifact
when 1/3 cycle of AC Power is randomly missing.
The Power Supply shall not produce audible noise that would
be detectable by the user (Excluding Power Supply Fan).
"Audible" shall be defined in accordance with ISO 7779
(DIN EN27779:1991).
Power Switch noise shall be Excluded.
>= 80% @ full load, nominal line
<0.5mA @ 240VAC
N/A
< 3 sec.
Compliant with EN61000-3-2
Picture Mode
Contrast
Brightness
Sharpness
Tint
Color
Color Mode
Zoom Mode
Noise Reduction
This applies to all available RF
Standard,Dynamic,Soft,Personal
0~50~100
0~50~100
0~50~100
-50~0~+50
0~50~100
Cool, Normal, Warm
Full, Movie Scale, Zoom In,4:3
Standard, Strong, Weak, Off
5
Confidential - Do Not Copy VTMS2431