Grass-valley 8920DAC Uživatelský manuál

8920DACAES/EBU TO ANALOG AUDIO CONVERTERInstruction Manual071-0614-02FIRST PRINTING: JULY 1999REVISED PRINTING: SEPTEMBER 20002.0software release

4 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter Cabling Note At the back of this manual are overlay cards that can be placed ov

8920DAC Instruction Manual 5Power Up Power Up The front LED indicators and configuration switches are illustrated in Figure 4. Upon power-up, the gree

6 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter A red FAULT LED indicates an error situation and, when noted with the other ind

8920DAC Instruction Manual 7Power Up Table 3 provides the possible input and output conditions that result from different inputs and settings. Table

8 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter Configuration The following parameters must be set on the 8920DAC module: Con

8920DAC Instruction Manual 9Configuration Figure 5. 8920DAC Module Settings and Adjustments Configuring Output Mode The 8920DAC provides thirteen poss

10 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter Level Adjustment The gain stage of each output channel (right and left) has tw

8920DAC Instruction Manual 11Configuration Remote Configuration and Monitoring 8920DAC monitoring and some module configuration can be performed remotel

12 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter The 8900 modules can be addressed by clicking on a specific module icon in the

8920DAC Instruction Manual 13Configuration Input Status/Output Mode The Input Status/Output Mode menu display will report the following items under In

Contacting Grass Valley Group Copyright © Grass Valley Group. All rights reserved.This document may not be copied, in whole or in part, or otherwise

14 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter Figure 8. Input Status/Output Mode Menu DisplayTypes of input errors include:

8920DAC Instruction Manual 15Specifications Specifications Table 5. 8920DAC Specifications Parameter ValueDigital Input Signal type AES-3 id-1992, tra

16 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio ConverterServiceThe 8920DAC modules make extensive use of surface-mount technology and pr

8920DAC Instruction Manual 17Functional DescriptionFunctional DescriptionRefer to the block diagram in Figure 9 while reading the following func-tiona

18 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio ConverterControl and Routing FPGAThe FPGA receives its programming and control informatio

8920DAC Instruction Manual 19Functional DescriptionRegulatorThe 8920DAC’s power is fed from ±12V rails of the frame’s power supply. Power comes into t

20 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter

8920DAC Instruction Manual Index-1IndexNumerics20/24-bit DAC 10jumper 10remote indication 1332 kHz LED 644.1 kHz LED 648 kHz LED 6Bbackplane 3b

Index-2 8920DAC Instruction ManualNnetwork 11Ooperational modes 6output modeconfigurationlocal 9remote 13outputsanalog 15cabling 4D1 serial digi

8920DAC Instruction Manual iii Contents Preface About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

iv 8920DAC Instruction ManualContents

8920DAC Instruction Manual v Preface About This Manual This manual describes the features of a specific module of the 8900 Series Modular Products fam

vi 8920DAC Instruction ManualPreface

8920DAC Instruction Manual 1 8920DAC AES/EBU to Analog Audio Converter Introduction The 8920DAC converts digital audio to analog audio and provides t

2 8920DAC Instruction Manual8920DAC AES/EBU to Analog Audio Converter Installation Installation of the 8920DAC module is a process of: Placing the

8920DAC Instruction Manual 3Installation 8900 modules are interchangeable within the module cells. There are 10 BNC connectors in each cell’s I/O gro