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The Faroudja
LD100/LD100U Line Doubler
Installation & Operation
Instructions
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TABLE OF CONTENTS History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Licensees and Awards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Inventory List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Caution Notes . . . . . . . . . . . . . . . . . .
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HISTORY Some Video History and the Faroudja Approach Faroudja Laboratories, located in northern Califor- nologies utilized in this extraordinary device and an nia’s Silicon Valley, was founded in 1971 by Yves explanation of the visual improvements it provides and Isabell Faroudja to develop state-of-the-art of in home video playback systems. video processing technology. Over the last 20 First, before we discuss the LD100, let’s take a years, Faroudja Laboratories and its companion quick look at
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LICENSEES AND AWARDS 1987: SMPTE Licensees Around the World DAVID SARNOFF GOLD MEDAL AWARD Faroudja’s inventive approach to improving the qual- for ity of video imaging has caught the eye of some of “Contributing in Optimizing NTSC Performances” the world’s greatest high technology companies. The following list represents those that have recog- nized the value of Faroudja’s solutions to imaging 1988: MONITOR AWARD for problems and pay for the opportunity to incorporate this technology in the
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SYSTEM DESCRIPTION The Faroudja System LD100 digital scan converter position if the input loop is not used. The Y/C input is a precision video instrument used to convert uses a standard 4 pin S-VHS connector. This input NTSC Composite, Y/C, or 525 line RGB or is not available for a looped operation and is termi- Component interlaced signals into 525 line progres- nated internally. The RGB and Component inputs sive outputs. Using the LD100 digital scan converter use BNC connectors. As with the vi
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SYSTEM DESCRIPTION Circuit Description When using the RGB or Component inputs, Sync is derived from the G or Y input signals unless sync is Figure 1 is a block diagram of the LD100 showing provided to the Composite Sync input. The signal flow and the location of front panel controls Composite Sync input will override the sync from and switches. Composite Video and Y/C (S-VHS) the G or Y inputs. The sync signal then feeds the inputs are connected to the units decoder with AGC LD100 systems clock
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TECHNICAL HIGHLIGHTS LD100 TECHNICAL HIGHLIGHTS – The LD100 is far more than simply a “line doubler”. It is a truly unique product in the world of high performance video. The LD100 is actually a complex image processor that consists of three distinct components – all utilizing patented Faroudja technologies and engineered into one chassis; the SuperNTSC decoder , the Faroudja proprietary line doubler, and Faroudja’s innovative bandwidth expansion circuit that allows for the sharpening of image d
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on two different mechanisms. Horizontal resolution is a sources. The resultant picture is free of scan lines but dull, function of bandwidth (frequency response) of the circuitry with a serious loss of definition. The solution is to expand while vertical resolution is a function of the scanning fre- the high frequencies without producing annoying and pic- quency (the number of scan lines in each picture). Given ture degrading artifacts. these mechanisms and the average size picture tube The band
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INSTALLATION INSTRUCTIONS Figure 2 Figure 3 Unpacking to allow for proper cooling. It is also recommended that the rack be forced air cooled. Remove the LD100/LD100U from the shipping container and examine it for any signs of shipping Rear Panel I/O damage or missing items, (check inventory list on 11. Video Termination Switch – Select ON when page 5). not looping the Video signal to other video All shipping materials should be saved if the unit devices, (75 Ohm). is to be moved or should need
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Figure 4 15. Sync Termination Switch – Select ON when Interface 15. not looping the Composite Sync signal to Figure 4 diagrams the installation of the LD100 other video devices, (75 Ohm). using inputs from: 16. Sync Input Loop (BNC) – Composite Sync 1. A composite source such as a Laser Disk Player, Input Loop VCR or TV Receiver. 17. Sync Input (BNC) – Composite Sync Input 2. A Y/C input such as a S-VHS VCR. 18. Red Output (BNC) – Red Output 714mV 3. An RGB input with sync on green or a 19. Gree
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LINE DOUBLER OPERATING INSTRUCTIONS For reasons of clarity, this technical overview has been written specifically for the LD100. This description applies as well to the LD100U, with the following exceptions: 1. The LD100U accepts PAL and NTSC signals and switches automatically to the proper standard. 2. Tint control is not operational with PAL sources. 1 2 3 4 5 6 7 8 9 10 11 12 13 The LD100 Control panel 4) use of this input is computers (running at 15.75 kHz). Press to select the RGB video inp
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Every LD100 is subjected to an intense battery of QC and environmental tests. Then each unit is re-tested and re-calibrated for optimum performance. The component parts used in the LD100 are the finest available, ensuring long term consistent per- formance and reliability. This unique, quality oriented “Faroudja touch” can also be seen in the design of many of the LD100’s controls and features. 6) Brightness Level – Known as “Set-up” in the IMAGE SHARPNESS CONTROLS (2) broadcast industry, the B
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TROUBLESHOOTING Problem Solution No power light Unit not turned on Unit not plugged in Fuse blown No power at plug No picture Video source not selected No video source connected or operating Projector/Monitor not turned on Projector/Monitor not connected correctly Bad video cable Unit in freeze mode Check brightness and contrast levels Colors bleeding Check LD100 termination Check projector/monitor termination Contrast set too high Color set too high Picture not stable Check interface cables Syn
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APPENDIX A LD100/LD100U Remote Control Operation Overview CABLE SPECIFICATION: Computer Interface Remote control of the LD100 / LD100U Line LD100/LD100U DATA TERMINAL or Doubler is provided by an RS-232 serial interface Line Doubler IBM PC connector located on the rear panel of the unit. A DB25 (MALE) DB25 (FEMALE) external controller such as a computer or integrated RxD 2 20 TxD system controller with an RS-232 interface may be used to control all user accessible functions of the TxD 3 30 RxD L
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APPENDIX A Programming the LD100 Command Line Variable Adjustment Commands: The LD100 is programmed by means of a B or b Adjust Brightness Level “Command Line”, which is an ASCII string of up to This command is follow by an integer 255 characters that contains one or more individual between 0(minimum) and 255(maximum). instructions to the LD100. The Command Line Example B1 or B12 or B123, ect. offers the best compromise between manual opera- C or c Adjust Contrast Level tion via a data terminal
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APPENDIX A ST or st This command will return a string showing the current settings of the LD100. Example: LD100:B###,C###,K###,T###,N###,D###,V,T1,A1,F0 (Y) (R) Freeze (X) Digital Filter Auto-Tint Input Select Detail Level Noise Level Tint Level Color Level Contrast Level Brightness Level Header HELP or help This command will return a list of commands used for the LD100 Line Doubler. LD100 Local / Remote Operation The LD100 stores all of it’s settings in a Non-volatile Command String Examples:
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APPENDIX B VGA Connector Pinout Pin Function 1 Red Video 2Green Video 3 Blue Video 4 Not Used 5Ground 6 Red Return (Ground) 7Green Return (Ground) 8 Blue Return (Ground) 9 Composite Sync 10 Composite Sync Return (Ground) 11 Not Used 12 Not Used Figure 8 13 Horizontal Sync 14 Vertical Sync 15 Not Used APPENDIX C Cable Lengths and Distribution Amplifiers Cable Type Maximum Length To aid in achieving the bet results from your installa- Mini BNC cables, 75 ohm 100 Feet tion, we suggest the following
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SPECIFICATIONS LD100 Specifications LD100U Specifications INPUT SIGNALS (NTSC) 525 Line 2:1 Interlace INPUT SIGNALS (NTSC) 525 Line 2:1 Interlace Video 1Vp-p, Negative Sync Video 1Vp-p, Negative Sync 714mV Luminance 714mV Luminance Y/C Y/C (3.58) Non-Composite Y/C Y/C (3.58) Non-Composite 700m/Vp-p Y 700m/Vp-p Y 286mVp-p C (Burst) 286mVp-p C (Burst) RGB 700mVp-p Non-Composite, RGB 700mVp-p Non-Composite, 1Vp-p Composite 1Vp-p Composite Component Y(1V w/Sync), R-Y(714mV), YUV Y(1V w/Sync), R-Y(
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WARRANTY INFORMATION All FAROUDJA Laboratories products are warranted to the original purchase against defective materials and workmanship under normal use and service for a period of one (1) year from the date of shipment. This warranty shall be of no force and effects if mod- ifications have been made by the purchaser or its agents or employees or if damage results from connecting the product to incompatible equipment or power. This warranty will also be void if the product is not returned to
