GRASS VALLEY 8960DEC Instruction Manual
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GRASS VALLEY 8960DEC Instruction Manual

GRASS VALLEY 8960DEC Instruction Manual

Ntsc/pal to 4:2:2 adaptive decoder
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8960DEC
NTSC/PAL TO 4:2:2 ADAPTIVE DECODER
Instruction Manual
SOFTWARE VERSION 5.0
071-0543-05
MARCH, 2003

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Summary of Contents for GRASS VALLEY 8960DEC

  • Page 1 8960DEC NTSC/PAL TO 4:2:2 ADAPTIVE DECODER Instruction Manual SOFTWARE VERSION 5.0 071-0543-05 MARCH, 2003...
  • Page 2 +33 1 45 29 73 00 Germany +49 221 1791 234 +49 221 1791 235 Copyright © Thomson Broadcast and Media Solutions All rights reserved. Grass Valley Web Site www.thomsongrassvalley.com web site offers the following: — Current versions of product catalogs, brochures, Online User Documentation data sheets, ordering guides, planning guides, manuals, and release notes in .pdf format can be downloaded.

  • Page 3: About This Manual

    This manual describes the features of a specific module in the Gecko 8900 Signal Processing System. As part of this module family, it is subject to Safety and Regulatory Compliance described in the Gecko 8900 Series frame and power supply documentation (see the Gecko 8900 Series Frames Instruction Manual). 8960DEC Instruction Manual...
  • Page 4 Preface 8960DEC Instruction Manual...

  • Page 5: Table Of Contents

    Onboard Module Configuration ........8960DEC Module Onboard Configuration Settings .....
  • Page 6 Contents 8960DEC Instruction Manual...

  • Page 7: Introduction

    • Audio delay control signal to drive Grass Valley auto-tracking audio delay DAs, • Up to ten 8960DEC decoders in a 2 RU Gecko™ 8900 frame (capacity varies with frame type), and • Remote control and monitoring using the 8900NET GUI (graphical user interface) in Gecko 8900TF or TFN frame versions.

  • Page 8: Installation

    1. Placing the module in the proper frame slot, and 2. Cabling and terminating signal ports. The 8960DEC module can be plugged in and removed from a Gecko 8900 frame with power on. When power is applied to the module, LED indica- tors reflect the initialization process (see...
  • Page 9 1. Insert the module, connector end first, with the component side of the module facing to the right and the ejector tab to the top. 2. Verify that the module connector seats properly against the backplane. 3. Press in the ejector tab to seat the module. 8960DEC Instruction Manual...

  • Page 10: Cabling

    Loopthrough Input Outputs The 8960DEC has four serial digital video outputs—J1 through J4. J5 is an AES Audio Delay RS-232 data output conforming to 118AS documentation. Reference Inputs Separate input BNCs are provided for either 525-line (J8) or 625-line (J7) black burst reference signals.

  • Page 11: Power Up

    525 – Green LED on indicates 525-line input and reference are present AUTO – Disabled 625 – Green LED on indicates 625-line input and reference are present 16-position Rotary switch Module Configuration Switches and LED 2ND LED Momentary toggle switch 8960DEC Instruction Manual...
  • Page 12 Reference not present Correct output signal with free run timing. Manual 625-line Video present Invalid reference input Corrupted output signal. Invalid Video present Valid reference present Corrupted output signal. Invalid Video present Invalid reference input Corrupted output signal. 8960DEC Instruction Manual...
  • Page 13 Correct black signal. Invalid Video input Not needed Corrupted output signal. Video present Not needed Correct output signal. No video signal present Not needed Correct black signal. Manual 625-line Invalid Video input Not needed Corrupted output signal. 8960DEC Instruction Manual...

  • Page 14: Configuration

    Configuration Configuration The 8960DEC can be configured locally using onboard switches or remotely using the 8900NET network interface or a networked control panel. Configuration establishes: • Input video and line standard, • Level adjustments of the composite video signal input to the decoder, •...

  • Page 15: Video Path Processing Overview

    • VBI Lines • Data Lines An important feature of the 8960DEC is the ability to define the start of active video (SAV). The 8960DEC allows you to define the line number for SAV then use the unused lines of active video for external data insertion.
  • Page 16 Configuration Table 4. Summary of 8960DEC Configuration Functions By Function Rotary Control Web Page Default Function Switch Panel Range/Choices Description Function Name Value Bank/Setting Mnemonic Miscellaneous Settings Standard Selection/ Select line standard of input sig- Line Standard 525 or 625 Line Standard nal.
  • Page 17 Configuration Table 4. Summary of 8960DEC Configuration Functions By Function Rotary Control Web Page Default Function Switch Panel Range/Choices Description Function Name Value Bank/Setting Mnemonic VBI Line Processing Select Notch Decode or Video to VBI/Data Line Delete, Luma filtering or Delete to remove...

  • Page 18: Onboard Module Configuration

    Configuration Onboard Module Configuration The 8960DEC module can be configured locally using the rotary and paddle switches shown in Figure 5. Two LEDs are used to indicate status of the configuration process. These four components perform the following: • Function (rotary) switch — This switch is used to access a desired func- tion for configuration.

  • Page 19: 8960Dec Module Onboard Configuration Settings

    Configuration 8960DEC Module Onboard Configuration Settings To make a configuration setting: 1. Rotate the Function switch to the First Bank (2ND LED off) or Second Bank (2ND LED on) and to the desired function within that bank. 2. Move the paddle switch to the up or down position and hold momentarily to set the desired function.
  • Page 20 (525 only) Enable or Disable (clip) Super Black. – – Not used The start of active video can be set to the Active Picture lines listed in Table Table 6. 8960DEC VBI Settings Active Picture Start 21 (Field 1) 24 (Field 1) SAV1...

  • Page 21: Remote Configuration And Monitoring

    Configuration Remote Configuration and Monitoring 8960DEC configuration and monitoring can be performed using the 8900NET interface in Gecko 8900TF or TFN frames (see Figure 6). This section describes the GUI access to the module configuration functions. Refer to the 8900NET Network Interface Module Instruction Manual for infor- mation on setting up and operating the Gecko 8900 frame network.

  • Page 22: Configuration Displays

    Software Update Display The Software Update display allows you to download new software ver- sions for the module. Refer to the latest 8960DEC Release Notes on the Grass Valley web site at http://www.thomsongrassvalley.com for com- plete details and new software versions.

  • Page 23: Module Configuration Displays

    Configuration Module Configuration Displays This section discusses the Module Configuration Displays used to set parameters required for 8960DEC module operation. You may select input format, level adjustments, signal timing, video and VBI processing, freeze controls, and invoke factory default values.
  • Page 24 Configuration Figure 8. 525 Video Standard Selection Display Figure 9. 625 Video Standard Selection Display 8960DEC Instruction Manual...
  • Page 25 Luma Gain • adjusts the percentage of black relative to white. Black Level • adjusts percentage of chroma relative to 100% saturation. Chroma Gain • (525 standard only) adjusts the hue of the signal +/– 180 degrees. 8960DEC Instruction Manual...
  • Page 26 Configuration Figure 10. Levels Display 8960DEC Instruction Manual...
  • Page 27 Timing Adjustments (Frame Sync Option) The Timing display shown in Figure 11 on page 27 appears when he optional 8900FSS Frame Sync submodule is installed on the 8960DEC this module. It provides lock source selection and fine phase adjustments along link with freeze controls for the input video.
  • Page 28 Test Signal output. Refer to the Configuration Summary in Table 4 on page 16 for a summary of what video lines are affected by each control, all parameters, step sizes, and default values. Figure 12. Video Processing Display 8960DEC Instruction Manual...
  • Page 29 No Setup Refer to the Configuration Summary in Table 4 on page 16 for a summary of what video lines are affected by each control, all parameters, step sizes, and default values. Figure 13. VBI/Data Line Processing Display 8960DEC Instruction Manual...
  • Page 30 Factory default settings can be recalled using the Recall Factory Defaults display shown in Figure 14. Select the button to recall the Factory Default defaults as listed in Table 4 on page this Figure 14. Factory Default Recall Display link 8960DEC Instruction Manual...

  • Page 31: Control Panel Configuration

    Configuration Control Panel Configuration An external control panel is available to interface over the network to the 8960DEC module. The configuration functions available with the Control Panel are summarized in Table 4 on page 16. In addition, the Control Panel mnemonics that will appear with each available function are given in the table.

  • Page 32: Specifications

    Specifications Specifications Table 7. 8960DEC Specifications Parameter Value Input Number of inputs Input signal formats Composite analog video, SMPTE170M for NTSC and CCIR624 for PAL Signal level 1 V p-p ±3 dB range Impedance 75 Ω, loop-through Return loss > 40 dB to 5.5 MHz Connector 75 Ω...
  • Page 33 Specifications Table 7. 8960DEC Specifications - (continued) Parameter Value Reference Input Number of references Signal type Black burst Separate input assigned for SMPTE170M signal if 525 and CCIR624 signal if 625 input signal selected Signal level Sync: 300 mV p-p ±30% Input impedance 75 Ω...

  • Page 34: Service

    LED indications. If the module is still not operating correctly, replace it with a known good spare and return the faulty module to a designated Grass Valley repair depot. Call your Grass Valley representative for depot location. Refer to the...

  • Page 35: Functional Description

    Functional Description Functional Description Refer to the block diagram in Figure 16 while reading the following func- tional description. Figure 16. 8960DEC Block Diagram On-board +12V Switching Mode Power Supply Module Slot ID module Fault Reporting AES Delay Data Local User...

  • Page 36: Three-Line Adaptive Comb Decoder

    Frame Communication All functions are remote read/write through the frame control interface (available in Gecko 8900TX/TF/TFN frames). The fault reporting output is connected to the frame controller through the frame motherboard. 8960DEC Instruction Manual...

  • Page 37: Audio Delay Output

    The audio delay output is an RS-232 type (refer to 118AS documentation). Regulator The +12V input is stepped down to ±5V using an onboard double-buck Switch Mode Power Supply (SMPS). The regulator does not start up until the main supply voltage reaches approximately 80% of its nominal value. 8960DEC Instruction Manual...
  • Page 38 Functional Description 8960DEC Instruction Manual...
  • Page 39 Gecko frame controller module graphical user interface (GUI) Grass Valley Group website 8960DEC Instruction Manual...
  • Page 40 Recall Factory Defaults display controller reference inputs installation repair depot power supply slots RS-232 data output network interface SAV (start of active video) 8960DEC Instruction Manual...
  • Page 41 7, 10, super black onboard enable remote control enable web site documentation switches web site FAQ database Sync web site Grass Valley Group synchronizer web site software download termination test signal enabling onboard control remote control testpoints timing adjustments...
  • Page 42 Index 8960DEC Instruction Manual...

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