DPS-290 Operations Manual Copyright and Trademark Information Copyright This document, the DPS-290 and all related materials are Copyright© Digital Processing Systems, Inc. All rights reserved. No part of this publication may be reproduced or transmitted in any form by any means, electronic or mechanical, including photocopy, recording or any information storage or retrieval system, without permission of writing from the publisher. Trademarks The DPS-290 are trademarks of Digital Processing Systems, Inc. Caveats Information in this document is subject to change without notice. This product requires technical and mechanical ability and requires precautions against electrostatic discharge. The user assumes all risks when this product is assembled by anyone other than an authorized Digital Processing Systems dealer. DPS Part No. 707-290 Release Version 1.31 April 2000 How to Contact Digital Processing Systems Internet ftp://ftp.dps.com http://www.dps.com E-Mail support: Canada/International: USA: Europe: Asia/Pacific: On-line Registration or Support: Suggestions or comments: support@dps.com support.us@dps.com support.europe@dps.com support.au@dps.com www.dps.com, click on "Support" SoftwareQA@dps.com Canada/International Digital Processing Systems,s. Inc. 70 Valleywood Drive Markham, Ontario L3R 4T5 Voice: 905-944-4000 Customer Service: 905-944-4100 Fax: Toll-free: 905-944-4200 800-775-3314 USA Digital Processing Systems, Inc. 11 Spiral Drive, Suite 10 Florence, KY 41042 Voice: 859-371-5533 Toll-free: 800-775-3314 Fax: 859-371-3729 Europe Digital Processing Systems, Ltd. Romans Business Park, Unit 9 East Street, Farnham, Surrey, GU9 7SX U.K. Voice: 718300 Fax: 718400 BBS: 723790 (preceded by 44 1252 from outside the U.K. or -1252 from inside the U.K.) Asia and the Pacific Rim DPS Asia Pacific 858 Ling Georges Road South Hurstville, Sydney, NSW, 2221 Australia Voice: 61-2-9547-0088 Fax: 61-2-9547-0988 TABLE OF CONTENTS Chapter 1: Introduction..........................................................................................................................5 Chapter 2: Installation............................................................................................................................7 Unpacking and Inspection .....................................................................................7 Mounting ...............................................................................................................7 Upgrading the DPS-290 ........................................................................................8 Configuration .....................................................................................................................10 Chapter 3: Video Connections.............................................................................................................13 Chapter 4: Operation............................................................................................................................17 Table 4-1 Menu Settings .....................................................................................20 Appendix A: Specifications .................................................................................25 Appendix B: Using the Advanced Sync Output ..................................................29 Using the GPI Freeze.....................................................................29 Appendix C: DPS-290 Serial Protocol ................................................................31 Appendix D: FCC Compliance ............................................................................43 Appendix E: Warranty .........................................................................................45 DPS-290 Operations Manual INTRODUCTION The DPS-290 component transcoding TBC/Synchronizer is a broadcast quality rackmount single or dual channel time base corrector. The DPS-290 may be used with Umatic, Umatic-SP, VHS, SVHS, and Hi-8 machines. Ideal for inter-format editing and duplication, the DPS-290 provides standard composite, Y/C and component analog video (Betacam/MII) inputs and outputs. All outputs are available simultaneously, enabling true transcoding between Y/C and CAV formats. A newly developed adaptive comb filter Y/C separator circuit makes the DPS-290 equally adept at decoding NTSC composite video into Betacam, MII or Y/C format signals. The comb filter also enables the DPS-290 to be used as a frame synchronizer. True luminance bandwidth in excess of 5.5 MHz is maintained, even with composite signals. Unlike many infinite window TBCs, the DPS-290 can synchronize camera and satellite feeds without loss of high frequency picture detail. Standard DPS-290 special effects include freeze frame, freeze field (1-3), variable strobe, film mode strobe and color balance. Film mode strobe provides an ersatz film look by simulating 3:2 shutter pull down. Red and Blue color balance controls, another DPS exclusive feature, provide a convenient means for correcting white balance errors. The DPS-290 component TBC/Synchronizer is available in both single (DPS-290) and dual channel (DPS290D) configurations. The DPS-290 features component, composite and S-Video inputs and outputs and incorporates a sophisticated Digital Recursive Noise Reduction(DNR) circuit and a three dimensional Drop Out Compensator(DOC). The DPS-291 is identical to the DPS-290 except it does not include the DNR/DOC features. An optional DNR/DOC-290 module can be added to the DPS-291 in the field to add these features, if desired. Front panel controls provide easy access to all proc amp and configuration functions including Betacam/MII output levels. wide/narrow vertical blanking, Y/C vertical delay, Y/C horizontal delay and DNR mode. The large back-lit LCD status panel provides intuitive control over all functions. A 10-event scene memory permits all front panel settings to instantly be stored or recalled. 5 DPS-290 Operations Manual 6 CHAPTER 2 Installation Unpacking and Inspection This unit has been thoroughly calibrated and inspected, both electrically and mechanically, to ensure that it meets the published specifications. The following items are included with each DPS-290 Description DPS-290 Component TBC/Synchronizer Operations Manual AC Line Cord CAV Breakout Cable Quantity 1 1 1 1 We suggest that you retain all original packing materials. This will facilitate reshipment should it ever become necessary. Mounting The DPS-290 is 1.75"H X 17"W X 20"D allowing it to fit into most standard consoles or 19" racks. If the unit is to be mounted in a rack, then rack slides, or trays must be used for support. Care must be taken to select a dry, well ventilated location with a minimum of dust and vibration to install the unit. Also leave sufficient clearance between the units rear panel and any obstacle or wall to allow proper air circulation in and around the unit. Allow at least 30 minutes after the unit is removed from the packing material before installing in a rack or console and applying power, to eliminate unwanted condensation due to a sudden change in temperature. 7 DPS-290 Operations Manual Upgrading Before servicing your DPS-290, turn the power off and disconnect the AC line cord. The DPS-290 contains static sensitive parts so please make sure you are grounded before removing the parts from their package. Refer service to qualified personnel Installing the RGB option · Remove the top cover on the DPS-290. · Remove the jumpers installed at CN-11 and CN-12. · Plug the RGB board into jumpers CN-10, CN-11 and CN-12. · Use the supplied 440 screw and standoff to secure the RGB board in place. Note: RGB Sync Input Jumper: BHE ON BHE OFF 4V .286V Installing a second TBC · If a second TBC is installed in your DPS-290, skip this section. · Remove the top cover on your DPS-290. · Place the second TBC in position and install the provided hardware to secure the board. The standoffs are used to mount the RF/DOC board. Refer to figure 2-1 for placement details. · Connect the micro, genlock and power cables. Be certain that the cables snap into their adjacent connectors. · Using the TBC in channel 1 as a reference, install the RF/DOC board on the TBC in channel 2 in an identical manner. Connect the RF/DOC cables into the locking connector. · On the first TBC, place DIP switch 1 in the down position. · Replace the top cover on your DPS-290. Installing a Firmware Update. Should it become necessary to update the microprocessor and ROM chips, follow the procedure outlined below. The microprocessor code is in location FU3 and the ROM chips are located at BU10, BU12 and BU11. See figure 2-1 8 DPS-290 Installation The microprocessor EPROM is static sensitive so please make sure you are grounded before removing the parts from their package. · Remove the top cover on the DPS-290. · Remove the RF/DOC board. · Remove or ROM chip from the TBC card. If a PLCC extraction tool is not available, you can remove the chip by using a flat head "precision" type screw driver. Insert the screw driver in the top right hand side of the socket and gently pull out one side of the IC until it falls out. care must be taken not to damage the socket. · Install the new IC in place while observing correct polarity. Note that the IC is "Keyed" (clipped corner) Insert the "keyed" side into the socket according to the silkscreen printed around the IC socket. See figure 2-1. 9 DPS-290 Operations Manual Configuration Jumpers The jumpers on the board are factory configured. However, if an RGB board is to be installed then jumpers CN-11 and CN-12 must be removed. Should the RGB board be removed then these jumpers must be re-installed. DIP Switches The bank of 8 DIP switches at location CSW1 may be accessed by removing the front panel if required. Remove the four screws on the top and four screws on the bottom of the front panel. Pull the front panel out gently about 3 inches. The DIP Switches will be visible behind the front panel. Switch 1 · UP · DOWN Switch 2 · UP · DOWN Switch 3 · UP Default) · DOWN Default) Switch 4 · UP Channel 2 DOC/DNR Card Installed (DPS-290 Default) · DOWN Channel 2 DOC/DNR Card Not Installed (DPS-291 Default) Switches 5 and 6 Not Used Channel 1 DOC/DNR Card Installed (DPS-290 Channel 1 DOC/DNR Card Not Installed (DPS-291 Genlock Adjust Enabled. (Factory Default) Genlock Adjust Disabled. Channel 2 TBC not present. (Factory default) Channel 2 TBC present. 10 DPS-290 Installation Figure 2-1 DPS-290 Main Board Top View Switch 7 · UP · DOWN Normal (Factory Default) Reset Memory The memory settings on the DPS-290 can be returned to factory defaults. Set DIP Switch 8 in the down position and turn the power on / off. Then, return DIP switch 8 to the UP position. Note: Switch 7 must be in the UP position for proper operation. LCD Intensity To change the LCD intensity, remove the eight screws that secure the front panel to the chassis. (four on top and four on the bottom) Pull the front panel out gently about 3 inches. The LCD intensity adjustment will be visible behind the front panel. (See figure 2-1) Use a small precision type, slot head screwdriver to change the LCD intensity. 11 DPS-290 Operations Manual 12 CHAPTER 3 Video Connections This section describes how to interface the DPS-290 with other video equipment in your system. The DPS-290 Back Panel NTSC Video Input This BNC connector is used to feed composite NTSC video to the DPS-290. It is normally connected to the video output of a playback VCR. It can also be connected to any composite NTSC source such as a TV tuner, laser disc player, camera, etc. S-Video Input This 4-pin connector is used to input S-Video (S-VHS or Hi8) to the TBC card. It is normally connected to the S-Video output of a playback VCR using a standard 4-pin to 4-pin S-Video cable. Some JVC industrial type S-VHS players use a 7-pin connector for their S-Video output. To interface with such machines, a 7pin to 4-pin adapter cable is required. 13 DPS-290 Operations Manual Multi Function I/O (DB-15-HD) The DB-15 high density connector is used for the component analog video/RGB I/O, advanced sync and GPI freeze. The inputs and outputs are distinguished by the length of the wires on the provided breakout cable. Signal Connections: Pin 1 Pin 5 Pin 6 Pin 9 Pin 10 Pin 11 Pin 12 Pin 14 Pin 15 Ground Connections: Pin 2 Pin 3 Pin 4 Pin 7 Pin 8 Pin 13 B-Y Output R-Y Input R-Y Output RGB Sync Input B-Y Input Y Output ASync Output GPI Y Input Long Blue BNC Short Red BNC Long Red BNC Short Grey BNC Short Blue BNC Long Green BNC Long White BNC Short Black RCA Short Green BNC R-Y/B-Y Output RGB Sync Input R-Y/B-Y Input Y Output ASync Output Y Input/GPI Input NTSC Video Output This BNC connector provides a timebase corrected version of the video input signal. S-Video Output This 4-pin connector provides the time base corrected S-Video (S-VHS or Hi8) version of the video input signal. DOC Pulse Input Selection of the RF or TTL for the DOC input is controlled by jumpers AHE1 and AHE2 on the RF/DNR 14 DPS-290 Video Connections board. The correct orientation for each mode is illustrated on the PCB. When RF mode is selected, DOC sensitivity is adjusted using ARV2. Genlock Video The genlock video loop through is used by the DPS-290 to establish the timing for its video output signal. The signal applied to this input is used to reference both TBC channels in the DPS-290 and must always be STABLE, such as the output from a black burst or color bar generator. DO NOT attempt to use a nontime base corrected VCR for your genlock reference. When a valid signal is connected to this input, the video output of the DPS-290 will be co-timed (genlocked) to this signal. When no external reference is supplied to the genlock input, the DPS-290 will operate using its internal sync generator. The second TBC channel is the same inputs and outputs as the channel one TBC except for the genlock BNCs. When a second TBC is installed in the DPS-290 it is always genlocked to the main TBC. Separate subcarrier timing adjustment is provided for the second TBC with a usable range of ± 60°. Remote The remote DB-9 connector is used to connect the DPS-290 to a remote unit such as the RC-2001 or PC. This is standard RS-232 levels with the following connections. · Pin 2 . . . . . . . . . . . . . . . . . . . . . Transmit · Pin 3 . . . . . . . . . . . . . . . . . . . . . Receive · Pin 5 . . . . . . . . . . . . . . . . . . . . . Ground 15 DPS-290 Operations Manual 16 CHAPTER 4 Operation The DPS-290 Front Panel UNIT SELECT (TBC 1/TBC 2) This button is used to select which TBC channel is to be controlled. INPUT SELECT (NTSC/S-Video/CAV) This button is used to select the desired input. Use the menu section to select between Betacam and MII formats. The default factory setting is Betacam format. (For more information, see the MENU section later in this chapter.) A flashing LED indicates that the selected video input is missing at the BNC connector. FREEZE MODE This button determines the desired freeze format "FRAME, FIELD, STROBE and FILM MODE" when the "TAKE" button is pressed. FREEZE TAKE This button enables/disables the selected freeze mode. If frame mode is selected, the display indicates the current frame. If field mode is selected the display indicates the current field (1,2 or 3) and the control wheel selects which field to display. If strobe mode is selected the display indicates the the current strobe rate and the control wheel allows the rate to be changed. The number displayed indicates the number of frames per update. 17 DPS-290 Operations Manual When film mode is selected, this feature simulates the 3-2 pull down conversion technique from a 24 frame per second film standard, to a 30 frame per second video standard. Proc Amps Video This control enables the luminance amplitude to be changed by rotation of the control wheel. The usable range is approximately ± 30% Black This control enables the black level to be changed by rotation of the control wheel. The usable range is approximately ± 125mV Chroma This control enables the chrominance amplitude to be changed by rotation of the control wheel. The usable range is approximately ± 30% Hue This control enables the decode phase to be changed by rotation of the control wheel. The usable range is approximately ± 30° Color Balance (Red/Blue) This controls may be used when a white area of a particular scene do not appear white (for instance, have a "blue" or "red" tint), The color balance controls may be used to eliminate this problem. The usable range is ± 10% Timing This button is used to adjust the horizontal position and genlock timing. 18