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2020ADC — Instruction Manual

Configuration

Module Configuration Displays

The 2000 GUI provides the following links and displays for the 2020ADC
module (

):

•

Module Configuration displays showing status and slot configuration
information (location and user assigned names), and

•

Signal Configuration displays.

The Module Configuration displays operate in the same manner for all
remote controllable 2000 modules. Refer to the 2000NET manual for more
information on these displays. Some functions listed may not be supported
by a particular module. These will be indicated as not supported.

Figure 9. 2020ADC Display Links

Signal Configuration Displays

This section discusses the Signal Configuration Displays available to set
and monitor the 2020ADC module parameters remotely.

Software Update Display

Remote software updating is not supported on the 2020ADC module. Soft-
ware updating requires a cable assembly and kit available from Grass
Valley Customer Service (8900-FLOAD-CBL). Refer to the 2000NET
manual and the Thomson Grass Valley web site at

http://www.thomsongrassvalley.com for complete details.

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Summary of Contents for 2020ADC

Page 1: ...2020ADC 4 CHANNEL AUDIO A D CONVERTER Instruction Manual SOFTWARE VERSION 2 0 071802402 MAY 2007 ...

Page 2: ... Blvd Salt Lake City UT 84119 United States 7140 Baymeadows Way Suite 101 Jacksonville FL 32256 United States Including its implementation meets the requirements of the standard ISO 9001 2000 Scope The design manufacture and support of video hardware and software products and related systems This Certificate is valid until June 14 2009 This Certificate is valid as of August 30 2006 Certified for t...

Page 3: ...2020ADC 4 CHANNEL AUDIO A D CONVERTER Instruction Manual SOFTWARE VERSION 2 0 071802402 MAY 2007 ...

Page 4: ...0 20 800 8080 2020 or 33 1 48 25 20 20 United States Canada 24 x 7 1 800 547 8949 or 1 530 478 4148 Local Support Centers available during normal business hours Asia Hong Kong Taiwan Korea Macau 852 2531 3058 Indian Subcontinent 91 22 24933476 Southeast Asia Malaysia 603 7805 3884 Southeast Asia Singapore 65 6379 1313 China 861 0660 159 450 Japan 81 3 5484 6868 Australia and New Zealand 61 1300 72...

Page 5: ... Configuration 16 Local Onboard Module Configuration 16 Input Level Adjustments 17 Configuring Output Mode 18 Remote Control Lockout 18 Remote Configuration and Monitoring 19 Module Configuration Displays 20 Signal Configuration Displays 20 Software Update Display 20 Specifications 26 Service 27 Troubleshooting 27 Functional Description 28 Differential Input Analog Gain and A D Converters 29 Digit...

Page 6: ...6 2020ADC Instruction Manual Contents ...

Page 7: ...the features of a specific 2000 Series module in the Kameleon Media Processing System As part of this module family it is subject to Safety and Regulatory Compliance described in the 2000 Series frame and power supply documentation see the 2000 Series Frames Instruc tion Manual ...

Page 8: ...8 2020ADC Instruction Manual Preface ...

Page 9: ...red to lock the module Digital outputs are available through 75 ohm BNCs unbal anced or plug in terminal blocks balanced The 2020ADC can modify the incoming gain of each analog channel and provides a choice of output modes The 2020ADC features AES EBU loop through reference input 48 kHz sampling rate 24 bit quantization Conversion of four channels of analog audio Two 75 ohm unbalanced or 110 ohm b...

Page 10: ...e twelve slot locations in both the front and rear of a 3RU frame to accommodate 2000 Series modules The 2020ADC consists of a two module set with a front media module and a passive rear module that can be plugged into any of the 12 frame slots Each 2020ADC front media module plugs into the front of the 2000 frame mid plane The passive rear module plugs into the corresponding rear slot to provide ...

Page 11: ...s to secure the module in the frame 5 Locate the corresponding front slot in the frame The 3 RU frame front view is illustrated in Figure 3 Figure 3 2000 Series 3 RU Frame Front Slots 2020 ADC J10 J9 J8 J7 J6 J5 J4 J3 J2 J1 CH3 L IN OUT REF CH4 R IN CH3 4 G Ð G Ð G Ð G Ð G Ð G Ð CH1 L IN CH2 R IN OUT CH1 2 Alignment post and receptacle Screw lock both sides 8024_05r1 2000 frame rear view 2020ADC P...

Page 12: ...ng front slot see Figure 4 7 Verify that the module connector seats properly against the midplane and rear module connector 8 Press firmly on both ejector tabs to seat the module Figure 4 Installing Front Media Module 2020ADC Alignment post and receptacle 8024 06 2000 Frame front view Board edge guides Board edge guides ...

Page 13: ...ed or unbalanced output connectors given in Table 2 Audio Reference Input Connect a 48 kHz AES EBU audio reference to the looping REF input at J5 or J6 Terminate the unused input with 75 ohm if not looping to another device Figure 5 2020ADC Input Output Connectors Table 1 Audio Input Connections Audio Channel Terminal Block 1 Left J8 CH1 L IN 2 Right J7 CH2 R IN 3 Left J2 CH3 L IN 4 Right J1 CH4 R...

Page 14: ... of module initialization Operation Indicator LEDs With factory default configuration and valid input and reference signals connected the green PWR LED and the green LOCK LED should be on Figure 6 Operation Indicator LEDs 8024_04 CH1 In 20dBFS green CH2 In 20dBFS green CH3 In 20dBFS green CH4 In 20dBFS green CH1 Clip red CH3 Clip red CH4 Clip red CH2 Clip red FAULT red COMM yellow CONF yellow PWR ...

Page 15: ... or updating firmware Simultaneous CONF and FAULT LEDs on indicate FPGA load error Flashing Indicates rate of change of paddle controlled analog setting PWR green Off No power to module or module s DC DC converter failed On continuously Normal operation module is powered REM OVER yellow Off Module configuration matches switch and jumper settings On continuously Module configuration may not match s...

Page 16: ...Jumper JP2 sets control mode for Local only or Remote and Local Function rotary switches SW2 CH1 2 and SW 5 CH3 4 select the desired output configuration 0 through 9 A through F Either func tion switch position 0 or F Factory defaults can be used to return the module configuration to the original factory default settings Paddle Switches CH 1 4 adjust the gain of each analog audio input channel for...

Page 17: ...tal clipping occurs This module has been set up at the factory with a maximum signal level default value of 24 dBu 0 dBFS There are three ways to adjust the paddle switches for the proper level Apply the maximum signal level for your device to the analog input and monitor the AES output with a meter that indicates digital level in dBFS Adjust the paddle switch for each channel until the meter indi...

Page 18: ...1 Channel swap Left and Right 2 Both channels phase inverted 3 Left channel phase inverted 4 Right channel phase inverted 5 Right channel to both channel outputs 6 Left channel to both channel outputs 7 Left Right to both channel outputs 6dB mono sum 8 Left Right to both channel outputs 9 Left Right to Left channel output and Left Right to Right channel output A Left Right to both channel outputs ...

Page 19: ...ular platform browser and version of 2000NET module software They are provided for reference only Displays will differ depending on the type of platform and browser you are using and the version of the 2000NET software installed in your system Figure 8 2000NET GUI The 2000 modules can be addressed by clicking on a specific module icon in the frame status display or on a module name or slot number ...

Page 20: ...e information on these displays Some functions listed may not be supported by a particular module These will be indicated as not supported Figure 9 2020ADC Display Links Signal Configuration Displays This section discusses the Signal Configuration Displays available to set and monitor the 2020ADC module parameters remotely Software Update Display Remote software updating is not supported on the 20...

Page 21: ...FALSE and REFERENCE SIGNAL indicates whether the module is LOCKED valid AES reference signal is present and module is locked to it or UNLOCKED module does not detect a valid AES reference signal Table 6 Ch 1 2 Remote Control Output Configuration Modes Mode Name Mode Description Default Factory default with no phase inversion channel swapping or summing L R Swap Swaps left and right channel outputs...

Page 22: ...ill be enabled immediately All other display entries including typed in values require pressing APPLY before the selection is enabled This module has been set up at the factory with a maximum signal level MSL default value of 24 dBu 0 dBFS The remote controls will allow a gain adjustment range from 4 dB to 12 dB The MSL can vary from 28 dBu to 12 dBu If you know your input MSL you can enter a valu...

Page 23: ...s Display Indicates Ch 1 left and Ch 2 right digital audio output level status Select the output mode for Ch 1 Ch 2 See table in text Indicates Ch 1 left and Ch 2 right digital output clipping status Indicates status of input AES reference Gain display in Numeric Gain display in Sliders ...

Page 24: ... procedure for setting parameters on Ch 3 4 are the same as those for Ch 1 2 Refer to Ch 1 2 Control and Status on page 21 for a description of setting these values Figure 11 202ADC Ch 3 4 Control and Status Display Use This Link Indicates Ch 3 left and Ch4 right digital audio output level status Select the output mode for Ch 3 Ch 4 See table in text Indicates Ch 3 left and Ch 4 right digital outp...

Page 25: ...DISABLED to interact with the main Status page to indicate the status of the audio inputs as shown below Figure 12 2020ADC User Settings Display Use This Link Enables or disables audio input monitoring on main Status page shown below Returns module setting to factory default settings When disabled Input Signal s display is grayed out as shown in this Status page example When enabled Input Signal s...

Page 26: ...r of outputs Two 110 balanced and two 75 unbalanced Signal type AES3 1992 110 ohm and AES 3id 1992 75 ohm Signal level 12 to 28 dBu input range adjustable to 0 0 dBFS Connector types 75 ohm BNC and plug in terminal block Output return loss 15 dB Performance 28 dBU input and full scale output Quantization 24 bit Signal to noise ratio 105 dB A weighted 20 Hz to 20 kHz THD Noise 0 005 Interchannel cr...

Page 27: ...V input to the module as illustrated in Figure 13 Check for presence and quality of input signals Verify that source equipment is operating correctly Check cable connections Figure 13 Location of Module Fuse Refer to Figure 6 for the location of PWR LED and Table 3 on page 15 for proper LED indications If the module is still not operating correctly replace it with a known good spare and return the...

Page 28: ... Pad Pad 12 dB 15 dB 9 dB 12 dB 15 dB 9 dB Stereo 24 bit ADC 8024_01r1 Clip 20 dB LEDs Rotary Switch Toggle Switches FPGA Routing and Control Processor AES Receiver and PLL AES Sync In Comm Fault Lock Remote Config and Power LEDs Frame Communication CPU Controller FLASH ROM 75 ohm Unbalanced 110 ohm Balanced CH1 2 OUT CH3 L In CH4 R In Differential Input Receivers Pad Clocks Audio 12 dB 8 dB 6 dB ...

Page 29: ...igital reference is applied via the loop through input to the AES receiver and phase locked loop This provides clock and data to the Control and Routing FPGA and the A D converters Routing and Control FPGA The signals from the A D converters are applied to the Routing and Control FPGA The incoming signal processing and level is determined by the setting of one of 16 possible mode commands from a f...

Page 30: ...er Supply Power is fed from 24 V rails of the frame s switching power supply Each stage of the module receives its own separate highly regulated and filtered power source Two stage regulation is used in the analog section of the ADC to reduce switching noise ...

Page 31: ... local on board 16 remote 19 switches 16 D documentation online 4 F factory default 25 FAQ database 4 FAULT LED 15 frame status display 19 frame 3RU 10 frequently asked questions 4 fuse 27 G gain adjustment local 17 remote 22 Grass Valley web site 4 GUI 19 20 I inputs cabling 13 specification 26 installation 10 L LOCK LED 14 15 M maximum signal level 17 22 media module 10 installation 12 midplane ...

Page 32: ... 10 power requirements 26 PWR LED 14 15 R REF input 13 REM OVER LED 15 remote control lockout jumper 16 18 repair depot 27 rotary switches 16 18 S software download from web 4 software updating 20 specifications 26 T troubleshooting 27 U User Settings Display 25 W web site documentation 4 web site FAQ database 4 web site Grass Valley 4 web site software download 4 ...

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