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8910ADA-M/ST/SR — Instruction Manual

Functional Description

8910ADA-SR

Refer to the block diagram in

Figure 23

while reading the following func-

tional description for the 8910ADA-SR module.

Figure 23. 8910ADA-SR Block Diagram

8156-09r1

Balanced

Inputs

Hard-wired
Potentiometers

Regulated

Power Supplies

Output Amp

Boost Supplies

Processor

PWR

OVR

FAULT

Output

Digital volume

control

(0.5 dB resolution)

Digital volume

control

(0.5 dB resolution)

Channel 1

Output Amps

Channel 2

Output Amps

COMM

CONF

Present

Input 2

Input 1

Gain
(fine)

+/- 6dB range

Gain

Down

0.1 dB

Gain
Trim

0.1 dB

Gain
Trim

Analog

Processing

A/D

Balance
(fine)

Balance

Summary of Contents for 8910ADA-M -

Page 1: ...8910ADA M ST SR ANALOG AUDIO DISTRIBUTION AMPLIFIER Instruction Manual SOFTWARE VERSION 1 0 0 071815605 NOVEMBER 2008 ...

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: ...8910ADA M ST SR ANALOG AUDIO DISTRIBUTION AMPLIFIER Instruction Manual SOFTWARE VERSION 1 0 0 071815605 NOVEMBER 2008 ...

Page 4: ...20 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 7...

Page 5: ...tion 21 Onboard 8910ADA M and ST Configuration 22 Monaural or Stereo Mode ST Module Only 22 Output Gain Select 23 Fine Gain Potentiometers 23 Onboard 8910ADA SR Configuration 24 Local or Remote Control 25 Output Mode Select 25 Phase Inversion 25 Gain and Balance Settings 26 Power Cycle and Control Settings 26 Remote Configuration and Monitoring 27 8910ADA M ST Remote Configuration and Monitoring 2...

Page 6: ...m 44 Web Browser Interface 44 SNMP Reporting 45 Service 46 Functional Description 48 8910ADA M ST 48 Analog Circuitry 49 Microprocessor 50 Power Supply 50 8910ADA SR 51 Inputs and Outputs 52 Processor Section 52 Analog Audio Path 52 Power Supplies 53 Input Level Detectors 53 Hard wired Fine Gain and Balance Potentiometers 53 Index 55 ...

Page 7: ...tem families As part of this module family it is subject to Safety and Regulatory Compliance described in the Gecko 8900 and GeckoFlex Series frame and power supply documentation See the Gecko 8900 Frame Instruction Manual and the GeckoFlex Frames 8900FX FF FFN Instruction Manual that can be found on line in PDF format at this link www thomsongrassvalley com docs modular ...

Page 8: ...8 8910ADA M ST SR Instruction Manual Preface ...

Page 9: ...tepped gain control in 6 dB increments while a front edge onboard potentiometer provides fine adjustment The SR version is stereo with remote control ability using the web browser or Newton Control Panel or it can be used in Local control mode using front edge paddle switches for setting overall gain and balance and two hard wired gain and balance potentiometers for fine adjustment The 8910ADA fea...

Page 10: ...cators reflect the initialization process see Power Up on page 19 Frame Capacity The maximum number of 8910ADA M ST modules can be installed in all 8900 Series Audio frames since the maximum power consumption and heat generation is below frame cooling capacity A maximum of six 8910ADA SR modules can be used in a 30 Watt frame Table 1 provides the power capacity cooling capacity and maximum module ...

Page 11: ...onal information concerning the Power Supply module refer to the Gecko 8900 Frames Instruction Manual The third slot from the right is allocated for the controller module either a Frame Monitor Module or a 8900NET Network Interface Module For additional information concerning the controller module options refer to the 8900NET Network Interface Module Instruction Manual Figure 1 8900 Series Audio F...

Page 12: ... or Onboard 8910ADA SR Configuration on page 24 before installing the front module 2 Insert the module connector end first with the component side of the module facing to the right and the ejector tab to the top 3 Verify that the module connector seats properly against the backplane 4 Press in the ejector tab to seat the module 8156_02 J1 J3 J5 J7 J9 J2 J4 J6 J8 J10 J11 J13 J12 J14 IN 1 J1 J3 J5 J...

Page 13: ...e rear module first then the front module then the optical sub module option if used When installing or removing a rear module loosen or tighten the screws holding the retainer clips to the frame manually with the retainer clip tool provided inside the front cover of the frame 751 version frames only For 650 version frames without the tool use a 2 mm 5 64 hex screwdriver Please do not use an elect...

Page 14: ...ost or fall into equipment below the frame creating a shorting hazard 2 Remove the blank rear adapter cover by inserting needlenose pliers into the slots in the top and bottom of the blank and pulling it off Note To remove a rear module already installed follow the same steps It is helpful to first remove the front module so the rear can be pulled out more easily 3 Insert the rear module into the ...

Page 15: ...he frame 3 Locate the corresponding front slot 4 Insert the front module so that the plastic card guides on the module top and bottom edges go over the upper and lower raised rail guides on the right of the top and bottom of the slot Figure 4 5 Carefully slide the module into the rear connector 6 Lock the front module ejector tab into the locking pin 7 Reinstall the front cover of the frame during...

Page 16: ...910ADA M has eight balanced outputs using connectors J1 through J8 The 8910ADA ST and SR have four balanced outputs per channel using connectors J1 J3 J5 and J7 for Channel 1 and J2 J4 J6 and J8 for Channel 2 Note The input mode to the Ch 1 and Ch 2 outputs can be chosen from Ch 1 Ch 2 or the sum of both channels with local or remote controls 8900 A CBL Option An audio breakout cable assembly cons...

Page 17: ...dule for remote Gain control Ch 1 Input Used only on SR module for remote Balance control Ch 2 Input Monaural Not Used Not Used Ch 1 Input Not Used Not Used 8900A R 8900A R Eight Outputs J1 J8 Monaural Not Used Not Used Ch 1 Input Not Used Not Used Pin 3 Pin 2 Pin 1 Pin 1 Pin 2 Pin 3 _ G Pin 3 Pin 2 Pin 1 _ G G _ Pin 1 Pin 2 Pin 3 G _ 8156_14r0 Stereo Four Ch 1 Outputs J1 J3 J5 J7 Four Ch 2 Output...

Page 18: ...er gain paddle switch gain paddle switch balance hard wired potentiometer balance Input 2 gain hard wired potentiometer gain paddle switch gain paddle switch balance hard wired potentiometer balance These relationships will be reported on the Audio Status Control web page in read only mode similar to the one shown in Figure 16 on page 33 When the gain or balance is changed using a paddle switch or...

Page 19: ...rocessor initialization Operation Indicator LEDs With proper microprocessor supply voltage present 5 V the green PWR LED will be illuminated The yellow COMM ED should illuminate when communication to or from the module processor is detected A red FAULT LED indicates a processor error situation Figure 8 M and ST LEDs Figure 9 8910ADA SR LEDs 8156_05r1 R5 R6 FAULT red COMM yellow PWR green OVR yello...

Page 20: ... operation On continuously Module has detected an internal fault Long flash Configuration problems Check inputs and settings COMM yellow Off No activity on frame communication bus 3 short on 1 long off in sync with CONF LED Location Command received by the module from a remote control system Short flash Activity present on the frame communication bus CONF yellow Off Module is in normal operating m...

Page 21: ...dio Status Control Input 1 Gain See SW2 GAIN on page 26 Ip1_Gain Audio Status Control Input 2 Gain Ip2_Gain Gain Gain Bal mode 0 dB 20 to 30 dB Audio Status Control Gain control See SW1 BAL on page 26 SW2 GAIN on page 26 and Fine Gain Balance Hard wired Potentiometers on page 26 Gain 0 dB 6 dB Audio Status Control Balance control Balance Input 1 Invert Normal Normal or Invert Audio Status Control ...

Page 22: ...r JP3 8910ADA ST only can be set to operate an 8910ADA ST module in Monaural or Stereo mode Note Change jumper settings only when module is removed from the frame Figure 10 8910ADA M and ST Module Configuration Switches and Jumpers Monaural or Stereo Mode ST Module Only Set the module output to Monaural or Stereo with the following Jumper JP3 STEREO pins 1 2 MONAURAL pins 2 3 8156_06r1 F1 F2 Gain ...

Page 23: ...M and ST modules 12 dB pins 1 2 6 dB pins 3 4 0 dB pins 5 6 6 dB pins 7 8 12 dB pins 9 10 18 dB pins 11 12 24 dB pins 13 14 30 dB pins 15 16 Stepped Gain 1 ST module only Identical to Stepped Gain 1 above Fine Gain Potentiometers After selecting the Stepped Gain jumper selection for the channel adjust potentiometers R5 Channel 1 and R6 Channel 2 on the ST module only for finer gain adjustment ...

Page 24: ...ers and Input signal phase inversion for each channel Note Change jumper settings only when module is removed from the frame Refer to Figure 11 for an illustration of the jumper settings Figure 11 8910ADA SR Jumper Settings 8156_07r2 SW2 SW1 Balance Paddle Gain Paddle F1 F2 In 1 In 2 Sum In 1 In 2 Sum CHAN 1 CHAN 2 J4 J2 1 UP DOWN 2 J3 P1 Output Mode Select J2 Phase Inversion Local Remote CHAN 1 I...

Page 25: ... the web browser or Newton Control Panel When local settings are changed by the remote control the yellow OVR LED will illuminate if the remote settings are different than the local ones Note The hard wired potentiometers only work in LOC POT mode Output Mode Select Use jumper P1 to select the output mode for Channel 1 and Channel 2 as follows CHAN 1 Output Input 1 pins 1 2 Input 2 pins 3 4 Sum 1 ...

Page 26: ...SW2 Gain when SW1 is in the middle position adjusting SW2 will affect the gain of both channels equally The gain will be changed in increments of approximately 0 1 dB for each click of the paddle Any gain differences between channels will be maintained as the gain is changed Fine Gain Hard wired Potentiometer BNC J11 fine gain can be adjusted 6 dB when a customer supplied potentiometer is hard wir...

Page 27: ...NET Module Information Refer to the 8900NET Network Interface Module Instruction Manual for infor mation on the 8900NET Network Interface module and setting up and operating the Gecko 8900 frame network Newton Control Panel Configuration A Newton Control Panel hard and or soft version can be interfaced to any 8900 Series frame with an 8900NET module over the local network Refer to the documentatio...

Page 28: ...ovides a graphical representation of module configuration and monitoring Use of the web interface offers the following considerations Provides complete access to all module status and configuration func tions including naming of inputs and outputs factory parameter and name default recalls E MEM functions slot configuration and SNMP monitoring controls Web access will require some normal network t...

Page 29: ...installed in your system This manual reflects 8900NET software version 4 2 0 For information on status and fault monitoring and reporting shown on the Frame Status page refer to Status Monitoring on page 43 The 8900 modules can be addressed by clicking on a specific module icon in the frame status display or on a module name or slot number in the link list on the left Figure 13 Frame Status Web Pa...

Page 30: ...tus reports input and reference signal status and module informa tion page 31 Audio Status Controls monitor and set gain balance levels set input and output modes page 32 Recall Save User Settings provides save and recall of user settings and recall of factory defaults page 37 and Slot Config provides a Locate Module function and Slot Memory page 38 Figure 14 8910ADA SR Display Links ...

Page 31: ...on the frame and modules indicate Green normal operation Pass or signal present module locked Red On continuously fault condition flashing configuration error Yellow On continuously active condition configuration mode or communication flashing in sequence module locator function Information about the module such as part number serial number and software versions are given in a read only Properties...

Page 32: ...ition see Figure 11 on page 24 the Audio Status Controls display will be in read only mode see Figure 16 on page 33 and only local onboard control is enabled When set for Local control only setting of overall gain and balance is done using the front paddle switches on the module and for fine gain and balance adjustment the hard wired customer supplied potentiometers connected to BNCs J11 and J12 c...

Page 33: ...8910ADA M ST SR Instruction Manual 33 Module Configuration Figure 16 Audio Status Controls Web Page LOC POT Mode Enabled ...

Page 34: ... dB total difference in gain between the channels at 6 dB balance setting Gain and balance adjust ments are in 0 1 dB increments Note Non zero balance value entries will preclude full range of Gain adjustment Note Gain value entries within 6 dB of 20 dB or 30 dB will preclude full range of balance adjustment A negative value entered in the balance window raises Input 1 level by the gain in the bal...

Page 35: ...8910ADA M ST SR Instruction Manual 35 Module Configuration Figure 17 Audio Status Controls Web Page Gain Bal Mode ...

Page 36: ... input channel can be adjusted independently from 20 to 30 dB Note When this mode is selected on the GUI or a remote control panel the onboard gain and balance paddles will operate in their normal manner No independent mode is available using onboard controls Figure 18 Audio Status Controls Web Page Independent Gain Mode ...

Page 37: ...e see Figure 19 allows you to set the following parameters Use the Recall User Settings button to recall previously saved User Set tings Save the currently selected settings for the entire module with the Save User Settings button or Recall factory default settings with the Recall Fact Default button Figure 19 Recall Save User Settings Web Page ...

Page 38: ...s link Use the Slot Config web page shown in Figure 20 to perform the following functions on the module Locate Module Slot Identification Slot Memory Frame Health Reporting LED Reports SNMP Trap Reporting Each of these functions is described in detail below Figure 20 Slot Config Web Page ...

Page 39: ... for this slot The configuration is saved on the 8900NET module If the 8900NET module is removed or powered down the stored configura tions are not saved When the Restore upon Install box has been checked the current configuration saved to this slot is saved as slot memory When the current module is removed and another module of the same part number and software version is installed the configurat...

Page 40: ...page any of these conditions can be disabled from being reported to the 8900NET module for each individual module and other components power supplies fans in the frame SNMP Trap Reports Link Select the SNMP Trap Reports link to open the 8900NET SNMP Reporting web page This link will only be present when SNMP Agent software has been installed on the 8900NET module This web page allows configura tio...

Page 41: ...les from a PC to the module through the cable assembly Equipment Required The following items are required for this procedure 8900 FLOAD CBL assembly kit circuit board and 2 cables Software CD containing ModLoad exe application comes with 8900 FLOAD CBL kit and 8900 2000 module software files and Release Notes and PC with unused Serial Com port that can be connected serially to the 8900 or 2000 fr...

Page 42: ...e 0 05 24 dBu 66 dB IM distortion M ST modules 0 005 86 dB SR module 0 025 72 dB Noise M ST modules 86 dBu maximum RMS 22 4 22 4 kHz unweighted SR module 75 dBu maximum RMS 22 4 22 4 kHz unweighted Gain range M ST modules 15 to 33 dB SR module 20 to 30 dB Environmental Frame temperature range See Gecko 8900 or GeckoFlex 8900 frames manual at this link www thomsongrassvalley com doc modular Operati...

Page 43: ...led including configuration errors warning internal faults and normal operation Pass Signal input states including valid present pass not present or invalid warning not monitored and not available no signal inputs Reference input states including locked valid pass not locked invalid warning and not monitored LEDs LEDs on modules in the frame and on the front of the 8900TF TFN frames indicate statu...

Page 44: ...tail in the 8900NET Network Interface Instruction Manual Web Browser Interface When the 8900NET module is installed in the frame a web browser GUI can indicate frame and module status on the following web pages Frame Status web page reports overall frame and module status in graphical and text formats Module Status web page shows specific input and reference signal status to the module along with ...

Page 45: ...ed on the 8900NET module enabled status reports are sent to an SNMP Manager such as the Grass Valley s NetCentral application There are both hardware and software report enable switches for each report Both must be enabled for the report to be sent Software report switches are set on the 8900NET Configuration web page for the Frame the 8900NET module and each module slot Refer to the 8900NET Netwo...

Page 46: ... Fuses F1 and F2 if no voltage is detected Check for presence and quality of input signals Verify that source equipment is operating correctly Check cable connections especially when using the hard wired cus tomer supplied potentiometers for the 8910ADA SR Check output connections for correct I O mapping correct input con nector is used for the corresponding channel output If the module is still n...

Page 47: ...ure 21 Fuse and Voltage Testpoint Locations 8156_12r2 R5 R6 12 V testpoint 5 V testpoint 12 V testpoint 1 5 amp 125 V fuses F1 F2 8910ADA M ST 8910ADA SR 8156_08r1 SW2 SW1 1 5 amp Slo Blo 125 V fuses F1 F2 J1 Voltage Test Points 18V 5V 5V 12V 12V 18V ...

Page 48: ...on jumper that has 6 dB gain change per step A front panel gain adjustment has an adjustment range of larger than 6 dB to allow continuous adjustment from step to step on the gain jumper The output can drive eight balanced and 8156 01r1 Balanced Input Balanced Input CH 1 Monaural Input CH 2 Input Present on Stereo DA Only Regulated Power Supplies Processor PWR COMM FAULT Monaural CH 1 Monaural Out...

Page 49: ...t includes a front edge gain potentiometer that can be adjusted over a range greater than 3 dB This range allows the gain to span the fixed gain setting steps 6 dB per step The input into the step gain stage is capacitor coupled so that any offset in the input stage is not amplified at the output of the DA The gain of the stepped gain stage is set by selecting taps on an R 2R ladder network Each t...

Page 50: ...module s Model number Version number Serial number and Slot ID A serial EPROM stores the version and serial number for the board The COMM and FAULT LEDs are controlled by the processor Power Supply There is one regulated supply on the board producing the 5 volts used by the processor and associated circuitry When the 5 volts supply is running the PWR LED is powered on ...

Page 51: ...r1 Balanced Inputs Hard wired Potentiometers Regulated Power Supplies Output Amp Boost Supplies Processor PWR OVR FAULT Output 1 Output 2 Digital volume control 0 5 dB resolution Digital volume control 0 5 dB resolution Channel 1 Output Amps Channel 2 Output Amps COMM CONF 1 Present 2 Present Input 2 Input 1 Gain fine 6dB range Gain Up Down 1 2 2 0 1 dB Gain Trim 0 1 dB Gain Trim Analog Processing...

Page 52: ... digital potentiometers These potentiometers are used to vary the gain in 0 1dB steps between the 0 5dB steps of the volume control that follows it High impedance unity gain amplifiers buffer the wiper on the digital potentiometer to the inputs of the stereo volume control The stereo volume control has a gain range of 30 dB to completely mute and is controlled through a three wire interface to the...

Page 53: ...s detected by taking the audio signal just after the input stage and half wave rectifying it and then filtering it with a low cut off low pass filter This low pass voltage is then input to the four channel A D con verter The software in the processor determines the user selected threshold for 20 40 or 60 dBu level input Hard wired Fine Gain and Balance Potentiometers The hard wired gain and balanc...

Page 54: ...54 8910ADA M ST SR Instruction Manual Functional Description ...

Page 55: ...module 16 inputs and outputs 16 Clear button 39 configuration local 8910ADA M and ST 22 8910ADA SR 24 remote 8910ADA M and ST 27 8910ADA SR 27 Remote GUI 21 27 summary table 21 connectors 12 input output 16 control interruption 26 control panel control summary table 21 overview 27 controller module 11 cycled power 26 D documentation online 4 E enable SNMP 45 environmental 42 F factory defaults rec...

Page 56: ...ko frame 10 GeckoFlex frame 13 precautions 13 invert 32 J jumpers 8910ADA M and ST modules 22 8910ADA SR module 24 LOC POT 32 L LED Reporting 41 LED Reporting web page 40 LEDs 8910ADA M and ST definitions 20 locations 19 8910ADA SR definitions 20 locations 19 LOC POT 25 local remote 34 locate module 20 Locate Module function 39 M module controller 11 installation 11 power supply 11 slots 12 module...

Page 57: ...onfiguration user settings 37 repair depot 46 report enable switches 45 resuming power 26 S Slot Config web page 38 slot memory 39 SNMP reporting overview 45 web page for enabling 40 software download from web 4 software updating 41 status monitoring 43 Status web page 31 sum 32 T testpoints 46 troubleshooting 46 U user settings saving and recalling 37 V voltage 42 voltage testpoints 46 W web brow...

Page 58: ...58 8910ADA M ST SR Instruction Manual Index ...

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