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Model VHD-HDMI
Component Video (YPbPr) or PC Video to HDMI™
Converter with Audio
Allows connection of YPbPr signal from a DVD player or VGA video
from a PC to connect to the HDMI input of a Plasma or LCD screen
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 800-959-6439
FREE technical support, Call 714-641-6607 or fax 714-641-6698
Mail order: Hall Research Technologies, 1163 Warner Ave. Tustin, CA 92780
Web site: www.hallresearch.com • E-mail: info@ hallresearch.com
VHD-HDMI User’s Manual
UMA1099, Rev. 2
Model VHD-HDMI User’s Manual
Trademarks Used In this Manual
Hall Research, HRT, and (logo) are trademarks of Hall Research
Technologies, Inc. HDMI is a registered trademark of HDMI Licensing LLC. Any
other trademarks mentioned in this manual are properties of the trademark owners.
1.0 General
Thank you for purchasing Hall Research Technologies’ Model VHD-HDMI
VGA Video or Component Video (YPbPr) to HDMI Converter with Audio. The
VHD-HDMI is used to connect the VGA video signal from a PC or the YPbPr
signal from a DVD player or similar device to connect to the HDMI input of a
Plasma or LCD screen. The unit takes advantage of HDMI cable’s ability to also
embed the audio in the same cable with video.
In combination with Hall Research Model SW-HDMI-3A 3 input HDMI switch,
you can mix and select between new HDMI enabled devices and legacy DVD
players with Component outputs, or display your PC’s video on the screen.
2.0 Features
• Connects computers with analog video output or DVD players with
component output to HD ready Plasma, LCD, or DLP TV
• Switch for input format selection (PC-RGB, or Component-YPbPr)
• Compliant with HDMI specifications 1.0
• Supports up to 1600x1200 @ 60 Hz VGA input or up to 1080p input
3.0 Package Contents
• One VHD-HDMI converter unit
• One Universal Switching Power Supply
• One 3.5mm (1/8”) mini-stereo phone jack to 2 RCA cable adapter
• One VGA (HD15) to 3 RCA cable
• This User’s Manual
4.0 Controls, Functions, and Indicators
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VGA or YPbPr to HDMI™ Converter with Audio
Input Video Format Switch
Set this switch according to the type of input signal connected.
YPbPr Component Video (YPbPr) from a DVD player or Set top Box
RGB Analog Video (VGA) from a PC or Notebook Computer
Input Connector (PC/YPbPr)
Connect your video source to this input. If you are using a PC as a source, you
need a male-male VGA cable (not included). If your source is a DVD player,
then use the included 3 RCA to HD15 cable. Please make sure to connect the
correct color RCA connectors to your source.
Input Power Jack and indicator
Plug the included power supply to this jack. The red LED should come on
indicating power is on. NEVER SUBSTITUTE ANY OTHER POWER
SUPPLY AS THIS MAY DESTROY THE UNIT.
Left and Right Audio Input Connectors
Connect your audio source to this input. If you are using a PC as a source, you
can use the supplied cable to make the connection. If your source is a DVD or
similar device, you need a RCA to RCA cable to make the connections.
HDMI Output Connector
This is the Digital output that contains the video and the audio. Connect this to
your display device using HDMI cables (cable not supplied). Contact Hall
Research Technologies if you need to purchase high quality cables. Note that if
your distance is longer than 15 feet, you will need a HDMI signal booster such
as HRT’s Model EX-HDMI-2A extender.
5.0 HDMI compatibility with PC Video
The VHD-HDMI is not a scaler. This means that the resolution of the video at
the HDMI output is the same as the input. Most HDMI enabled displays do not
support the full complement of PC resolutions and are designed to handle
HDTV input formats of (480i or p) @ 60 Hz, (576i or p) @ 50 Hz, 720p @ 60
Hz, or 1080i @ 60 Hz. So, if you set your PC at a resolution of 1024x768
(XGA), your display may not show the HDMI image. In this case you have to
set your PC’s resolution to either 640x480@60 (VGA interpreted as 480p),
800x600@50 (SVGA interpreted as 576p), or 1280x720@60 (WXGA
interpreted as 720p.
However, if you are converting the VGA signal from a PC and use an HDMI to
DVI cable to connect it to the DVI input of an LCD, you should be able to
display most, if not all, of the PC resolutions on your digital LCD.
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Model VHD-HDMI User’s Manual
6.0 Specifications
Video Input RGB@0.7 Vp-p, HV@5 Vp-p, Y@1 Vp-p PbPr@0.7 Vp-p
Resolutions Output resolution is the same as input resolution.
Supported PC Resolutions
VGA@60, 72, 75, 85 – SVGA@60, 72, 75, 85
XGA@60, 70, 75, 85 – SXGA@60, 75, 85
UXGA@60
1152@70, 75, 85 – XGAi@87
Supported Component (YPbPr) Resolutions
480i@60 - 576i@50 - 576p@60 - 720p@50, 60
1080i@50, 60 – 1080p@30, 50, 60
Audio Input Stereo Analog line-level
Temperature Operating: 32 to 122°F (0 to 50°C);
Storage: –40 to +185°F (–40 to +85°C)
MTBF 95,000 hours (calculated estimate)
Power From utility-power (mains) outlet, through included external
power supply. Voltage: 5 V DC Center-Positive 2000 mA
Size 1.2" High x 3.0" Wide x 4.2" Deep
Weight 8 Ounces
7.0 Connection Block Diagram
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