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DVDO iScanPlus V2 User Manual

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Summary of Contents for DVDO iScanPlus V2

  • Page 1 6FDQ SOXV...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION IN A NUTSHELL NSTALLATION PERATION INSTALLATION AND SETUP YPICAL ONFIGURATION YSTEM EQUIREMENTS ONNECTIONS OLOR PACE ELECTION YNCHRONIZATION IGNALS OPERATION NPUT ELECTION SPECT ATIO ONTROL QUEEZE ROCESSING NDICATORS OWER SAGE AND NVIRONMENTAL TROUBLESHOOTING HOW IT WORKS ACKGROUND EINTERLACING IDEO ROCESSING...
  • Page 3 EASSEMBLING THE I LUS V APPENDIX B – EMI FERRITE SNAP-ON COLLAR Note: DVDO, PureProgressive, L Scan, iScan, iScan Plus and iScan Plus v2 are trademarks of Silicon Image, Inc. This product is covered by pending U.S. and foreign patents. MOTHERBOARD...

  • Page 4: Introduction

    Plasma TVs Data projectors Home Theater video projectors (31.5KHz scan rate required) If you are not sure if your display will work with the iScan Plus v2, check the compatibility list on our web site (www.dvdo.com). Scan Plus v2 User Manual...

  • Page 5: In A Nutshell

    VGA connector. A standard VGA-to-BNC breakout cable can be used to attach the iScan Plus v2 to any projector or television that has BNC connectors. Your iScan dealer may stock these cables or, if not, they should be able to recommend a store that does carry them.

  • Page 6: Operation

    Silicon Image, Inc. Scan Plus v2 User Manual Operation The only switch on the iScan Plus v2 that is not typically limited to installation usage is the “Aspect Ratio” switch. It is only required for widescreen televisions that have no aspect ratio control when using the iScan Plus v2.

  • Page 7: Installation And Setup

    Silicon Image, Inc. Scan Plus v2 User Manual Typical Configuration Figure 1 shows a typical configuration for a home theater system. In this setup, an iScan Plus v2 is being used to enhance the output from a DVD player, satellite receiver and a VCR before the selected signal is sent to a rear screen projection TV, or other progressively scanned display device.

  • Page 8: System Requirements

    See the Operation Section for more detail. Output In order to connect the iScan Plus v2 to your progressive scan TV, video monitor or projector, you will need to determine what type of connector and what type of color space is used by your set.
  • Page 9 Silicon Image, Inc. Scan Plus v2 User Manual...

  • Page 10: Color Space Selection

    Silicon Image, Inc. BNC Connectors: Another type of input that is found on many display devices is the BNC connector. There are usually either 3, 4 or 5 BNC connectors synchronization signals. These connectors are used on higher-end TVs, monitors and CRT projectors. These connectors are most commonly used for RGB but are sometimes used for Y-Pr-Pb signals as well.
  • Page 11 Silicon Image, Inc. V (vertical) sync signals in addition to the RGB outputs. This results in a total of five signals (RGB/HV). For many configurations, these five signals will be part of a single VGA output cable and there will be no need to worry about the individual signals. For some devices you may need to connect all five of these signals to individual BNC or possibly RCA type connectors.

  • Page 12: Operation

    Silicon Image, Inc. Scan Plus v2 User Manual Input Selection The iScan Plus v2 has been designed to detect which of the three possible input devices are turned on and are generating video signals and then to automatically switch to this input. With this capability, you can switch inputs simply by turning one input device on or by turning another device off.

  • Page 13: Operation

    Silicon Image, Inc. the center of the screen (where the video is) at a different rate than on the edges (where the black bars are). This would leave a visible dark area in the center when you return to widescreen mode. Since nearly all televisions sold are CRT-based, it is likely that the gray bar setting is the safest for your display.

  • Page 14: Troubleshooting

    Silicon Image, Inc. What do I do if no LEDs light when I plug the power supply? The iScan Plus v2 should automatically come “on” when plugged in. Check the connections to the iScan Plus v2, and to the power source. If all of these look good, you may have a failed power supply.
  • Page 15 Silicon Image, Inc. Then remove the Red signal and insert the Blue signal into the Blue connector and verify that the picture is blue. Then repeat with only the Green. If all three of these work, then plug them all back in again. Still messed up? It may be that the colors on the cable are mislabeled.
  • Page 16 Silicon Image, Inc. Scan Plus v2 User Manual This type of switcher could be used for either RGB or YPrPb type displays. If you are still having problems or have more involved questions, you should contact your authorized iScan Plus v2 dealer or distributor. They will be happy to help you.

  • Page 17: How It Works

    Silicon Image, Inc. Scan Plus v2 User Manual Background On a normal television, the video image is made by sweeping an electron beam across the face of the set where it excites phosphors causing them to glow. While repeated scanning across the tube, the television changes the intensity of the beam to vary the brightness of the image.
  • Page 18 Silicon Image’s DVDO technology performs even more advanced techniques than those described above. Performing over six billion arithmetic operations per second on the incoming video stream, the iScan Plus v2 uses the data from four video fields during its processing.

  • Page 19: Video Processing

    The iScan Plus v2 processes steps 2, 3, 4, and 5, but the final quality of the displayed image depends both on the quality of the source and the display device. Deinterlacing 480i to 480p Decoding NTSC to Component Figure 4: System Block Diagram Scan Plus v2 User Manual Display Digital to Analog Projector Conversion...

  • Page 20: Technical Specifications

    Silicon Image, Inc. Scan Plus v2 User Manual Video Inputs • Two S-Video (Y/C) inputs on standard mini-DIN connectors • One Composite video input on standard RCA connector • Auto sensing and switching with input priority switch • Accepts standard NTSC interlace scan video signals Video Output •...
  • Page 21 Silicon Image, Inc. Scan Plus v2 User Manual Silicon Image warranties the iScan Plus v2 for 12 months starting from the date of shipment. In order to make the repair/replacement process as painless as possible for our customers, Silicon Image has asked our licensed distributors and dealers to administer this warranty. The iScan Plus v2 was designed to operate continuously for many years.

  • Page 22: P Recautions

    Silicon Image, Inc. Safeguards To reduce the risk of electric shock, do not expose this appliance to rain or moisture, do not operate the iScan Plus v2 with the cover removed. If the wall plug does not fit into your local power socket, then ask your electrician to replace your obsolete outlet.

  • Page 23: M Odifying C Omposite S Ync J Umper S Etting

    Silicon Image, Inc. These modifications are only required in very rare circumstances. Composite Sync and Sync-on- Green are only required in RGB mode (never Component video/Y-Pr-Pb mode) and typically only with older, large front projectors. The rule of thumb is, if you are seeing a picture on your display, then you have the sync settings correct.

  • Page 24: M Odifying Vcr M Ode J Umper S Etting

    Silicon Image, Inc. straddling the two pins labeled “NORMAL” which are nearest the front of the iScan board. 21) Remove this jumper from its current position by grabbing the top of the jumper and pulling directly away from the PC board. 22) Push the jumper onto the two pins closest to the rear of the iScan board, labeled “C-SYNC.”...
  • Page 25 Silicon Image, Inc. Scan Plus v2 User Manual This will be helpful at a later time when you may need to reconfigure your iScan Plus v2 to work with a new display device.
  • Page 26 Silicon Image, Inc. Scan Plus v2 User Manual To meet FCC EMI guidelines, the iScan Plus v2 power supply comes with a snap-on ferrite collar similar to those supplied with laptop computers and other portable electronic devices. The ferrite collar should be snapped on the end of the cable leading from the power supply to the iScan Plus v2 as shown in the illustration.
  • Page 27 Silicon Image, Inc. Scan Plus v2 User Manual 6LOLFRQ ,PDJH ,QF  ( $UTXHV $YHQXH 6XQQ\YDOH &$   (PDLO LVFDQ#VLLPDJHFRP Scan Plus V2 User Manual Rev. 2.3, August 2000.

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