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evertz 5950-SID Instruction Manual

Vitc reader / source id decoder
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© Copyright 1995
EVERTZ MICROSYSTEMS LTD.
5288 John Lucas Drive, Burlington, Ontario, Canada, L7L 5Z9
Phone:
905-335-3700
Fax:
905-335-3573
Internet:
Sales:
Tech Support: eng@evertz.com
Web Page:
Revision 1.0 October 1995
The material contained in this manual consists of information that is the property of Evertz Microsystems and is
intended solely for the use of purchasers of the model 5950-SID VITC Reader / Source ID Decoder. Evertz
Microsystems expressly prohibits the use of this manual for any purpose other than the operation of the 5950-SID.
All rights reserved. No part of this publication may be reproduced without the express written permission of Evertz
Microsystems Ltd.
Copies of this guide can be ordered from your Evertz products dealer or from Evertz
Microsystems.
Model 5950-SID
VITC Reader / Source ID Decoder
Instruction Manual
sales@evertz.com
http://www.evertz.com

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  • Page 1 The material contained in this manual consists of information that is the property of Evertz Microsystems and is intended solely for the use of purchasers of the model 5950-SID VITC Reader / Source ID Decoder. Evertz Microsystems expressly prohibits the use of this manual for any purpose other than the operation of the 5950-SID.
  • Page 2 WARNING Changes or Modifications not expressly approved by Evertz Microsystems Ltd. could void the user’s authority to operate the equipment. Use of unshielded plugs or cables may cause radiation interference. Properly shielded interface cables with the shield connected to the chassis ground of the device must be used.
  • Page 3 Model 5950-SID VITC Reader / Source ID Decoder Manual REVISION HISTORY REVISION DESCRIPTION DATE Original issue October 95 Manual Change Sheet 1.0-1 inserted March 96...
  • Page 4 4. LTC Reader Added An LTC reader has been added to the 5950-SID. The LTC CODE IN LED will be on when LTC is present. This reader is only displayed when there is no VITC or PESA data available on the incoming video. The Source ID and Status VCG windows will be automatically turned off if they are visible, and the LTC reader time will be shown in the Time window.

  • Page 5: Table Of Contents

    Model 5950 VITC Reader / Source ID Decoder Manual TABLE OF CONTENTS INTRODUCTION .......................... 1-1 1.1. HOW TO USE THIS MANUAL ....................1-2 INSTALLATION ........................... 2-1 2.1. REAR PANEL CONNECTIONS....................2-1 2.1.1. Video Connections......................2-1 2.1.2. Parallel Remote Control Connections................2-1 2.1.3.
  • Page 6 3.7.1. Selecting the Video Standard ..................3-12 3.7.2. Adjusting the Horizontal Character Size ................3-13 3.7.3. Adjusting the Front Panel Display Brightness..............3-13 3.7.4. Resetting the 5950-SID to its Factory Defaults..............3-13 TECHNICAL DESCRIPTION ....................... 4-1 4.1. OVERVIEW ..........................4-1 4.2.
  • Page 7 Model 5950 VITC Reader / Source ID Decoder Manual Power Supply Schematic ......................8103-31A Power Supply Component Layout ..................8103A1-80 Parts Lists Parts List # 5200 Main Board........................ BAM5200TP 5220 Display Board......................BAM5220DS 8103 Power Supply......................BAM8103PS Misc Items..........................MA5000 TABLE OF CONTENTS...
  • Page 8 Model 5950 VITC Reader / Source ID Decoder Manual TABLE OF CONTENTS...

  • Page 9: Introduction

    SIE. The VTR time is encoded in the usual way for sources that have timecode associated with them. For non-timecoded sources such as cameras, the 5950-SID senses codes in the user bits to automatically blank the time display on the character inserter. A 5 character source ID message and a 3 digit source number are encoded into the user bits.
  • Page 10 Model 5950-SID VITC Reader / Source ID Decoder Manual Items of special note for all users are marked with a double box like this. INTRODUCTION Page 1-2...

  • Page 11: Installation

    2.1.3. Power Connections LINE: The 5950-SID may be set for either 115v/60 Hz or 230v/50 Hz AC operation. The voltage selector switch is accessible on the rear panel. The line voltage connector contains an integral slow blow fuse (and a spare one).

  • Page 12: Power Requirements

    Model 5950-SID VITC Reader / Source ID Decoder Manual 2.3. POWER REQUIREMENTS 2.3.1. Selecting the Correct Mains Voltage Power requirements are 115 or 230 volts AC at 50 or 60 Hz, switch selectable on the rear panel. Power should be applied by connecting a 3 wire grounding type power supply cord to the power entry module on the rear panel.

  • Page 13: Reader Video Input

    A 9 pin D connector located on the rear panel labelled REMOTE CTL provides 6 parallel control inputs for remote control of some of the model 5950-SID functions. The pinout of the D connector is as follows: Frame Ground Unassigned...
  • Page 14 Model 5950-SID VITC Reader / Source ID Decoder Manual This page left intentionally blank INSTALLATION Page 2-4...

  • Page 15: Operating Instructions

    Model 5950-SID VITC Reader / Source ID Decoder Manual OPERATING INSTRUCTIONS The model 5950-SID is a VITC reader and multi-function character inserter designed specifically for decoding and displaying source ID /VTR status information encoded into the user bits. A 12 digit alphanumeric display is quickly delegated to show the time, source ID or VTR status information.

  • Page 16: Overview Of The Status Indicators

    DISPLAY VITC Indicates that the data being displayed is from the VITC reader. GEN LCK PAL Indicates that the 5950-SID is properly genlocked to a PAL video reference. If it is blinking, it indicates that the PAL video standard is selected, but a valid PAL video reference is not present.

  • Page 17: Special Front Panel Indicators

    Model 5950-SID VITC Reader / Source ID Decoder Manual The FREEZE key is used to stop updating of the VCG and front panel displays at a particular point in time. When in the FREEZE mode, a f is displayed in the leftmost character of the front panel display. Press the FREEZE key again to release the FREEZE mode and begin updating of the data.

  • Page 18: Character Generator On/ Off Controls

    3.4. ON SCREEN PROGRAMMING MENU - OVERVIEW The key to the operational flexibility of the model 5950-SID lies in the powerful on screen programming menu system which uses the built in character generator. This method of configuring the model 5950-SID is...
  • Page 19 (!, ", #, $, and SELECT and SETUP) are used to cycle through the various items on the programming menu. The model 5950-SID menu system consists of three drop down menus. The titles of each of the drop down menus are shown on the top line of the character display.

  • Page 20: Figure 3-2: On Screen Programming Menu Overview

    Model 5950-SID VITC Reader / Source ID Decoder Manual READER CONFIGURATION ASSIGNMENT CHAR SIZE VIDEO TYPE FIXED TO VITC TINY AUTO MODE SMALL NTSC TIME USERBITS LARGE TIME SOURCE ID CHAR STYLE HORZ CHAR SIZE DATA DATA WHITE HORIZONTAL VITC LINES...

  • Page 21: Programming The Reader Setup Functions

    Model 5950-SID VITC Reader / Source ID Decoder Manual allow you to move horizontally to another drop down menu when the sub menu is hidden. Using these two keys you can quickly scan the entire menu system for the item you wish to change.

  • Page 22: Selecting The Reader Hardware Configuration

    3.5.1. Selecting the Reader hardware Configuration The ASSIGNMENT menu is used to select how the reader hardware is ASSIGNMENT configured. The model 5950-SID is configured for Vertical Interval Time FIXED TO VITC Code (VITC) reading only. The reader can be set to recover VITC from different ranges of video lines.

  • Page 23: Controlling The Reader 'Look Ahead' Compensation

    Model 5950-SID VITC Reader / Source ID Decoder Manual 3.5.4. Controlling the Reader ‘Look Ahead’ Compensation The DISPLAY menu item is used to select whether the normal 'lookahead' DISPLAY compensation for reader dropouts is active or not. Normally, the data is PROCESSED read in one frame and displayed with an 'add 1 frame' compensation.

  • Page 24: Programming The Character Generator Functions

    Model 5950-SID VITC Reader / Source ID Decoder Manual 3.6. PROGRAMMING THE CHARACTER GENERATOR FUNCTIONS The VCG drop down menu is used to select various characteristics of the VCG display. Figure 3-5 shows the items on the VCG drop down menu.

  • Page 25: Selecting The Character Style

    Model 5950-SID VITC Reader / Source ID Decoder Manual 3.6.2. Selecting the Character Style The CHAR STYLE menu item is used to select whether the CHAR STYLE background mask will be used and whether the characters will be white or WHITE black.

  • Page 26: Selecting The Video Standard

    VITC LINE RANGE menu setting. Make sure that you re-check this setting NTSC when you change the video standard. Select AUTO if you want to have the 5950-SID auto detect PAL and NTSC video. Select NTSC if you are using NTSC video.

  • Page 27: Adjusting The Front Panel Display Brightness

    DISPLAY LEVEL = 2 $ TO ADJUST 3.7.4. Resetting the 5950-SID to its Factory Defaults The FACTORY RESET menu item is used to reset the 5950-SID to the FACTORY RESET factory default parameters. Press the TIME/UB + SELECT keys when the ** WARNING ** sub menu screen is displayed to reset the 5950-SID to factory defaults.
  • Page 28 Model 5950-SID VITC Reader / Source ID Decoder Manual This page left intentionally blank OPERATING INSTRUCTIONS Page 3-14...

  • Page 29: Technical Description

    5950-SID. The jumper positions marked in bold face type are the default settings. 4.2.1. DIP Switch Functions The main circuit board of the 5950-SID contains an 8 position DIP switch which is used to invoke various diagnostic and calibrations functions. The functions of each switch are described below.
  • Page 30 Model 5950-SID VITC Reader / Source ID Decoder Manual CHAR GEN MODE Displays the complete character font on the VCG screen. Each time it is pressed it cycles to the next font set. FREEZE Displays the status of the remote control input pins. The front panel shows Par In 111111.

  • Page 31: Figure 4-2: Main Board Jumper Locations

    Model 5950-SID VITC Reader / Source ID Decoder Manual Figure 4-2: Main Board Jumper Locations TECHNICAL DESCRIPTION Page 4-3...

  • Page 32: Jumper Functions

    Model 5950-SID VITC Reader / Source ID Decoder Manual 4.2.2. Jumper Functions All jumpers except JP9 are printed circuit board links and are installed in the default position. To change the position, the board link must be cut and a wire link must be installed in the desired location.

  • Page 33: Circuit Description

    (5220) which plugs into the main board via a twenty conductor ribbon cable. The relevant schematic drawings are shown in brackets for each section of the circuit. The heart of the model 5950-SID circuitry are two programmable logic array (LCA) devices. One LCA (U25) contains most of the VITC reader logic and the support circuitry for addressing various devices on the board.

  • Page 34: Front Panel Display And Pushbuttons (5220-31)

    Model 5950-SID VITC Reader / Source ID Decoder Manual VIDEO REMOTE CONTROL +VIDEO CHAR GEN PARALLEL SYNC SEP KEYER INPUTS CHAR GEN VITC RDR LOGIC LCA SLICER READER CHAR MAINS IN VITC PIXEL BIT RATE SWITCHING POWER SUPPLY DISPLAY Figure 4-3: Block Diagram 4.3.2.

  • Page 35: Figure 4-4: Keyboard Scan Codes

    Model 5950-SID VITC Reader / Source ID Decoder Manual LED diagnostics can be invoked by holding down any key on power up. When any key is pressed, all the front panel LED’s should come on. To exit LED test mode, remove and re-apply power to the unit.

  • Page 36: Character Generator Sync Separator And Keyer (5200-36)

    To calibrate the video keyer, connect colour bars from your sync generator to the Reader Video input loop of the model 5950-SID and to channel A of your oscilloscope and terminate it. Connect one of the video outputs of the model 5950-SID to channel B of your scope and terminate it.
  • Page 37 Model 5950-SID VITC Reader / Source ID Decoder Manual Character style selection is accomplished by the on screen programming menu. The pixel oscillator consists of monostable U32b and associated components. The oscillator frequency which determines horizontal size of the characters is adjusted by the digital trimpot (NVPOT) U34 and associated components.
  • Page 38 Model 5950-SID VITC Reader / Source ID Decoder Manual This page left intentionally blank TECHNICAL DESCRIPTION Page 4-10...
  • Page 39 Phone: 905-335-3700 Fax: 905-335-3573 BBS: 905-335-9131 Internet: Tech support: eng@evertz.com Sales info: sales@evertz.com INSTRUCTIONS FOR UPGRADING 5950-SID FIRMWARE These devices are subject to damage by electrostatic charge buildup which can occur with improper handling. The devices should always be carried and stored in the anti-static carrier tube provided.

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