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Faroudja VP251, Инструкция по установке и эксплуатации

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LICENSEES AND AWARDS

1987: SMPTE

DAVID SARNOFF GOLD MEDAL AWARD 

for 

“Contributing to Optimizing NTSC Performances”

1988: MONITOR AWARD

for 

“Excellence in Engineering 

NTSC Encoders and Decoders”

1989: BM/E AWARD

for 

“Excellence in Engineering”

1991: Technology Executive of the Year

from Cable TV Business

1991: EMMY

from The National Academy 

of Television Arts and Sciences

for 

“Techniques for Minimization of NTSC Artifacts 

Through Advanced Encoding Techniques”

1992: VIDEO GRAND PRIX AWARD

Audio/Video International

LD100 Line Doubler “Advanced Technology Award”

1993: VIDEO MAGAZINE

Video Visionary

1995: BROADCAST ENGINEERING AWARD

1997: VISUAL GRAND PRIX AWARD

Audio Video Review Magazine (Japan) 

LD200

1997/1998: RECOMMENDED COMPONENTS

Stereophile Guide to Home Theater Magazine

AAA Rating: VP250, VP400A

1998: PLATINUM AWARD

AV Video Multimedia Producer Magazine

Outstanding Achievement: VP250

3

Licensees Around the World

Faroudja’s inventive approach to improving the
quality of video imaging has caught the eye of
some of the world’s greatest high technology com-
panies. The following list represents those that
have recognized the value of Faroudja’s solutions
to imaging problems and pay for the opportunity to
incorporate this technology in their advanced video
products (as of January 1998):

Canon

Microtime

Conrac

Mitsubishi

General Instrument

NAC

Grass Valley

NEC

Hitachi

Sanyo

Ikegami

Sharp

JVC

Sony

Matsushita (Panasonic)

S3
Toshiba

Awards and Achievements

Yves Faroudja and Faroudja Laboratories have
garnered worldwide recognition and a number of
industry awards. These honors are notable for
several reasons. They are in response to the sig-
nificant impact that Faroudja’s technology has
made on the serious improvement of video quality.
They are also a reflection of his long term dedica-
tion to continually improving and optimizing the
performance of the NTSC and PAL video formats.

On June 24, 1998 Yves Faroudja

was awarded the prestigious

Charles F. Jenkins Lifetime

Achievement Award from the

Academy of Television Arts &

Sciences for his video processing

technology. Faroudja’s first Emmy

was awarded in 1991. Some of this

Содержание VP251

Страница 1: ... Perfecting Video with a No Compromise Approach for Reproducing the Ultimate Film Experience The Faroudja VP251 Video Processor With Picture Plus Technology Installation Operation Instructions ...

Страница 2: ...by Faroudja Laboratories Inc No part of this document may be copied photocopied reproduced translated or reproduced by any electronic medium or machine readable form without prior consent in writing from Faroudja Laboratories Inc The Faroudja Laboratories VP251 Line Doubler is covered by the following United States patents 4 030 121 4 179 705 4 240 105 4 262 304 4 847 681 4 864 389 4 876 596 4 893...

Страница 3: ... Faroudja Laboratories has made use of techniques from Faroudja professional video equipment and incor porated these in the VP251 VP201 VP201U line doublers VP301 line multiplier and the 401 VP401U line quadruplers Faroudja s unique approach focuses on critical problem areas in the NTSC and PAL broadcast format With patented engineering and design work Yves and Faroudja Laboratories have created a...

Страница 4: ...ality of video imaging has caught the eye of some of the world s greatest high technology com panies The following list represents those that have recognized the value of Faroudja s solutions to imaging problems and pay for the opportunity to incorporate this technology in their advanced video products as of January 1998 Canon Microtime Conrac Mitsubishi General Instrument NAC Grass Valley NEC Hit...

Страница 5: ...l Inputs include Composite Video S Video Component Y Cr Cb RGB and Computer HDTV The Video input may be connected by either a BNC connection or a video RCA type connection These inputs are looped internally so that other devices may use the signal The S Video input uses a standard 4 pin connector The VP251 requires a standard P15 to RGB breakout cable when using the component input If the looped i...

Страница 6: ...Doubler Luminance signal now enters the Luminance Detail and Noise Reduction block where the functions of Noise Reduction and Detail Level are controlled The Luminance signal from the Luminance Detail and Noise Reduction block along with the R Y and B Y signals from the Chroma Line Doubler block feed the output transcoder and are converted to RGB signals These RGB signals are buffered and then sen...

Страница 7: ...er pitch detail areas like the referee s shirt The VP251 has patented cross color suppression that elimi nates decoding errors of this type and enables the reproduction of sharper cleaner color images DOT CRAWL and HANGING DOTS This phenomenon is easily seen with large highly colored stationary graphics like titles and credits Dot crawl is a rapid upwards movement of colored dots on sharp vertical...

Страница 8: ...l becomes very obvious when the more common sources are used The resultant picture is free of scan lines but dull with a serious loss of definition The solution is to expand the high frequencies without producing annoying and picture degrading artifacts The bandwidth expansion circuitry in the VP251 is exceptionally sophisticated using Faroudja s double dif ferentiation techniques to sharpen the e...

Страница 9: ...oudja to order rack kits Ventilation The VP251 will require that air flows freely through both the bottom and top vent holes Blocking these holes will greatly reduce the reliability of the unit and lead to the possibility of overheating When the unit is rack mounted a minimum of 1 25 1 rack unit height of free space is to be pro vided for both the top and bottom of the unit to allow for proper coo...

Страница 10: ...ncoming video signal broken down to the individual red green and blue format more typically found in the professional and broadcast area 6 Component Input refers to the video signal in its component form Y R Y B Y or Y Cr Cb for DVD carried in a 3 wire cable 7 Brightness The Brightness control adjusts the black levels in the image The level should be adjusted so that the color black is achieved no...

Страница 11: ...ton recalls all settings to SMPTE reference standards When aligning the projector for the first time the VP251 should be in the factory preset Using an external test pattern from a DVD laserdisc or pattern generator adjust the brightness and contrast using the projector s controls Then adjust Color Tint and Detail using the controls on the VP251 Once completed store the settings in one of the pres...

Страница 12: ...et too high Color set too high Picture not stable Check interface cables Sync cables are swapped or not connected Input source not selected correctly Check input terminations Projector Fast Slow Horizontal time constant Should be set to fast Incorrect colors Tint in manual mode Defective output cable RGB cables are swapped Check projector monitor termination Input source not selected correctly No ...

Страница 13: ... 0 to 15 Example VP251 B100 C75 ENTER 2 3 5 2 3 5 RxD TxD Ground TxD RxD Ground PC Computer 9 Pin Male D VP251 9 Pin Female D 2 Conductor Shielded Wire Recommended VP251 RS 232 Cable The following commands must be entered individually HELP Displays a help menu P0 Factory Preset not user changeable P1 User Preset 1 P2 User Preset 2 P3 User Preset 3 P4 User Preset 4 L1 Store User Preset 1 L2 Store U...

Страница 14: ... the unit is power up The only exception is the Freeze function The Freeze function will be set off during the power up cycle When a command is received via the RS 232 only those functions are placed in the remote mode If a function is set via the remote it can be returned back to local mode by adjusting that function on the front panel This is accomplished by creating a window around that functio...

Страница 15: ... when a VP251 is used To preserve the video quality of the VP251 the signal path should be no more than 3db down at 25 MHz through a 75 ohm cable Any distribution amplifier should have a bandwidth no less than 3db down at 25 MHz The following cable lengths are the maximum rec ommended continuous lengths of 75 ohm coax cable and 15 pin VGA cable when using the VGA output Cable Type Maximum Length M...

Страница 16: ...posite Positive 714mVp p Vertical Sync 59 94Hz Negative 4Vp p 75 Ohm Horizontal Sync 31 5KHz Negative 4Vp p 75 Ohm Composite Sync 31 5KHz 59 94Hz Negative 4Vp p 75 Ohm Output VGA RGB 0 700mV Pk Pk 75 Ohms Line Doubler Mode Horizontal Sync BNC 31 4 Khz TTL 2K Ohms Vertical Sync BNC 59 94Hz TTL 2K Ohms Composite Sync BNC 31 4 Khz H 59 94Hz V TTL 2K Ohms D 15 VGA Standard Note The scan frequencies ar...

Страница 17: ...for the selling distributor to repair or replace at its option those products which the selling distributor determines to have breached this warranty within the specified period Any claims under this warranty should be made by telephone or in writing to the sell ing distributor or FAROUDJA Laboratories No products should be returned to the selling distributor or to FAROUDJA Laboratories without it...

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