Grass-valley 1200 Installation Bedienungsanleitung

Installation and ServiceTP0715-01FIRST PRINTNG: MARCH 1997MODEL 1200DIGITAL PRODUCTION SWITCHER3.0software release

x Contents

3-26Section 3 Ñ Functional DescriptionProgram Mixer ModuleThe Program Mixer Module (Figure 3-12): Generates the Clean Feed Out Generates the Program

3-27Frame ModulesClean Feed OutA and B Backgrounds enter into the Program Mixer Module from the Crosspoint Module (see Figure 3-13). They each go thro

3-28Section 3 Ñ Functional DescriptionDSKThe DSK Video Mix Multiplier (Figure 3-14) takes the DSK video and the data from the CPU to mix the DSK fill

3-29Frame ModulesKey and Depth Output ProcessingThe Clean Key and the DSK Key (Figure 3-15) are converted from control level signals to video level si

3-30Section 3 Ñ Functional DescriptionTransition GeneratorsThe Transition Generator (Figure 3-16) creates the control signals for each of the mixers.T

3-31Frame ModulesFigure 3-16. Transition GeneratorsPri DptRRT1T2COEFABCDT1T2COEFABCDT1T2COEFABCDT1T2COEF OUTABCD INT1T2COEFABCDT1T2COEFABCDT1 T2C

3-32Section 3 Ñ Functional DescriptionDepth SubmoduleThe Depth Demultiplexer (Figure 3-17) takes the ten-bit wide two-byte depth signal and converts i

3-33Frame ModulesFigure 3-17. Key DepthCLIPANDGAINCLIPANDGAINCLIPANDGAINDEPTHDEMUXDEPTHDEMUXDEPTHOFFSETGENERATORDEPTHINTERPOLATIONANDOFFSETADDERDEPTH

3-34Section 3 Ñ Functional DescriptionAnalog Output Option (DAC) SubmoduleThe Analog Output (DAC: Digital-to-Analog Converter) option consists of the

3-35Frame ModulesFigure 3-18. DAC Support Board Block DiagramMuxMuxDelayDelayDelayHalf-BandFilterHalf-BandFilterHalf-BandFilterHalf-BandFilterHalf-Ba

xi Important Safeguards and Regulatory Notices Information on the following pages provides important safety guidelines for both Operator and Service

3-36Section 3 Ñ Functional Description064815 DAC BoardThe DAC board (Figure 3-19) receives an 8:8:8 digital video signal from the DAC Support board an

3-37Frame ModulesPreview Mixer ModuleThe Preview Mixer Module and all the submodules on the module are identical to the Program Mixer Module.Output Mo

3-38Section 3 Ñ Functional DescriptionControl PanelPower SupplyThe Panel Power Supply Module is a switching power supply which generates the following

3-39Control PanelControl Panel ModulesThe Model 1200 Control Panel contains seven module assemblies: the Control Panel I/O module (064919), the Contro

3-40Section 3 Ñ Functional DescriptionPanel ScanningThe Control Processor and the Control Panel MPU buses are linked by a serial data connection. Refe

4-14MaintenanceIntroductionThis section explains the maintenance of a Model 1200 Digital Switcher. The following main topics are discussed: OverviewÑ

4-2Section 4 Ñ MaintenanceOverviewNOTE: Torx-head screws are used in the manufacture of many mechanical components on this equipment. You should have

4-3Servicing PrecautionsRemoving Circuit ModulesAll of the video processing and control processing in the system takes place on circuit modules in the

4-4Section 4 Ñ MaintenanceServicing ProceduresThe following servicing procedures provide procedures for removal and replacement of typical types of co

4-5Routine MaintenanceRoutine MaintenanceFan FiltersThe fan filters in the frame power supply need to be cleaned periodically by vacuuming them from t

xii Safeguards and Notices This symbol represents an external protective grounding terminal. Such a terminal may be connected to earth ground as a su

4-6Section 4 Ñ MaintenancePushbutton Lamp ReplacementDuring normal operation, the buttons on the Control Panel light up to indicate their activated st

4-7Routine MaintenanceUsing the Module ExtenderThe 064917 Extender enables you to extend modules outside the frame so that you can probe circuits and

4-8Section 4 Ñ MaintenanceCircuit Module ReplacementRepairing Circuit ModulesModel 1200 circuit modules are not designed to be repaired in the field.

4-9Circuit Module ReplacementControl Panel ModulesThe locations of Control Panel module boards are illustrated in Figure 4-3.Figure 4-3. Control Pane

4-10Section 4 Ñ MaintenanceTo remove a circuit board assembly from the Control Panel, proceed as follows:1. Turn off the AC power at the switch locate

4-11Lever Arm AdjustmentLever Arm AdjustmentTo adjust the Lever Arm:1. Open the control panel and locate the Matte/Key/Wipe module (064923) inside the

4-12Section 4 Ñ Maintenance3. The diagnostic menu will immediately appear on the screen. Enter the letter C using the keyboard to access the Leverarm

4-13Software Installation or UpgradeSoftware Installation or UpgradeThe following procedure is to be used when reinstalling the system software or to

4-14Section 4 Ñ MaintenanceLoading Software From DisketteNOTE: Before beginning this procedure, save all current E-MEM effects and Switcher setups to

4-15Software Installation or Upgrade5. Return power to the control panel using the ON/OFF switch, and the system begins loading the floppy driveÕs sof

xiii Safeguards and Notices Cautions To prevent damage to equipment when replacing fuses, locate and correct the trouble that caused the fuse to bl

4-16Section 4 Ñ MaintenanceSystem Power Down ProcedureThe following procedure is to be used when removing power from the system.1. Press MISC main men

4-17System Restart after Power-SergeSystem Restart after Power-SergeIf you should suffer a power serge, follow these steps to restart your system:1. W

4-18Section 4 Ñ Maintenance5. From the MISC menu, select the FACTORY RESET function.6. The system asks whether to CONFIRM or CANCEL . Select CONFIR

5-15Diagnostics and TroubleshootingIntroductionThis section of the manual provides information to assist you in isolating faults that may occur in the

5-2Section 5 Ñ Diagnostics and TroubleshootingOverviewWARNINGTo avoid electrical shock hazard, do not open covers or access doors. Dangerous voltages

5-3General TroubleshootingGeneral TroubleshootingBecause of the specialized PALS, surface-mount parts, and multipurpose parts in the Model 1200, circu

5-4Section 5 Ñ Diagnostics and TroubleshootingPerform Visual ChecksCarefully check all of the equipment. Verify that all of the modules in the Signal

5-5General TroubleshootingProgram Loading IndicatorsIf the system passes all bootup tests, the LEDs listed above will turn off. The 68302 then checks

5-6Section 5 Ñ Diagnostics and TroubleshootingDetailed TroubleshootingIf the previous general troubleshooting steps did not highlight the problem, the

5-7Detailed TroubleshootingFigure 5-2. Trouble TreeÑVideo1. Check AC fuses inside: AC Input Connector Frame Power Supply2. Check for power on

xiv Safeguards and Notices North American Power Supply Cords Each power cord for this equipment is supplied with a molded grounding plug at one end a

5-8Section 5 Ñ Diagnostics and TroubleshootingFigure 5-3. Trouble TreeÑMiscellaneousNOTE: After trying the steps outlined in the Trouble Trees if yo

5-9Exchanging ModulesExchanging ModulesIf you suspect that a particular frame module is faulty, you may be able to test it by exchanging it with anoth

5-10Section 5 Ñ Diagnostics and TroubleshootingMenu DiagnosticsThe software that runs in the Model 1200 control panel can be placed in a diagnostic mo

5-11Menu Diagnostics3. The diagnostic menu will immediately appear on the screen (see Figure 5-5).Figure 5-5. Diagnostic Menu4. Enter the letter on t

5-12Section 5 Ñ Diagnostics and TroubleshootingDiagnostic TestsThere are eight diagnostic tests designed to check the functionality of the control pan

5-13Menu DiagnosticsKnob TestSelecting [B - knob test] from the Diagnostic menu will cause the menu screen to appear as in Figure 5-7. Figure 5-7. K

5-14Section 5 Ñ Diagnostics and TroubleshootingLever Arm and Joystick TestSelecting [C - leverarm and joystick test] from the Diagnostic menu will ca

5-15Menu DiagnosticsButton/Lamp DIM TestSelecting [D - button/lamp DIM test] from the Diagnostic menu will cause the screen to appear as in Figure 5-

5-16Section 5 Ñ Diagnostics and TroubleshootingButton/Lamp BRIGHT TestSelecting [E - button/lamp BRIGHT test] from the Diagnostic menu will cause the

5-17Menu DiagnosticsWalking Lamp TestSelecting [F - walking lamp test] from the Diagnostic menu will cause the screen to appear as in Figure 5-11.Fig

xv Safeguards and Notices EMC Regulatory Notice Federal Communications Commission (FCC) Part 15 Information This device complies with Part 15 of the

5-18Section 5 Ñ Diagnostics and TroubleshootingDiscrete LED TestSelecting [G - discrete LED test] from the Diagnostic menu will cause the screen to a

5-19Menu DiagnosticsComm Port Loopback TestSelecting [H - comm port loopback test] from the Diagnostic menu will cause the screen to appear as in Fig

5-20Section 5 Ñ Diagnostics and TroubleshootingExiting DiagnosticsTo return to normal operation:1. Open the control panel and locate the I/O board (06

Index-1IndexNumerics1200 Configuration Menu Tree 2-1916 X 9 3-94:4:4 Chroma Key Sources Menu 2-23AAC PowerConnection 2-16Removing 4-16Surge Resta

Index-2IndexSerial Ports 2-13Tally 2-14Connector Pinouts 2-16Control Panel 3-38Circuit Module Location 4-9Installation 2-4Misc Cable Pinouts 2-

Index-3IndexIIndicators 5-4InputConnector J1ÐJ16 2-11Define 2-22Module, Functional Definition 3-15Module, Overview 3-6Options 1-3Specifications

Index-4IndexFunctional Description 3-7Overview 1-3ProgramKey Output Connector 2-12MixerModule, Block Diagram 3-26Overview 3-6PGM Output Connector

xvi Safeguards and Notices

1-1 1 System Overview Introduction Welcome to the Model 1200 Service manual. This manual will help you become familiar with the Model 1200 Component

1-2 Section 1 Ñ System Overview Model 1200 Physical Description The Model 1200 Switcher (Figure 1-1) consists of two main assemblies: the Control Pan

1-3 Model 1200 Features and Options Model 1200 Features and Options The Model 1200 Component Digital Production Switcher carries forward the legacy o

Customer Service Information Address Mail: Shipping Only: P.O. Box 1114 400 Providence Mine RdGrass Valley, CA 95945 Nevada City, CA 95959 Telephon

1-4Section 1 Ñ System OverviewKeyers One effects keyer and one downstream keyer (DSK) standard. A second effects keyer is optional. Each keyer is a

1-5Model 1200 Features and OptionsE-MEM Effects Memory System Twenty panel-operated E-MEM¨ registers store and recall effects and transitions. Stora

1-6Section 1 Ñ System OverviewModel 1200 Functional OverviewThe Model 1200 architecture (Figure 1-2) consists of a single mix/effects system with two

1-7Model 1200 Functional OverviewThe aux buses automatically select the manipulated key and fill inputs returning from the DPM and apply them to the c

1-8Section 1 Ñ System OverviewModel 1200 System SpecificationsModel 1200 specifications are listed in Table 1-1. The specifications for the Model 1200

1-9Model 1200 System SpecificationsControl Power SpeciÞcationsPower 200 Watts MaximumVoltage 90-135 VAC & 180-265 VAC (Manual)Frequency 50-60 HzAn

1-10Section 1 Ñ System OverviewAnalog CAV Output CharacteristicsNumber Of Outputs 1 PGM, 1 PVW (both optional)Luminance 1.0 Volt pp with syncColor Dif

1-11Model 1200 System SpecificationsSerial Digital Output CharacteristicsOutputs Per Module 2 (two) 75 ohm BNC Return Loss > 15 dB 5MHz to 270 MHzO

1-12Section 1 Ñ System OverviewSerial Digital Output CharacteristicsMaximum Number Of Inputs 16, parallel or serial digitalBlanking Width 10.222 micro

2-12InstallationIntroductionThis section describes the installation and setup of a Model 1200 Digital Switcher. The following main topics are discusse

iii Contents Important Safeguards and Regulatory Notices Symbols and Their Meanings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2Section 2 Ñ InstallationUnpackingThe Model 1200 is packaged in several boxes: One containing the Signal Processor Frame One containing the Contro

2-3Information Required Before InstallationSummary of Installation SpecificationsHelpful specifications are summarized below. For additional specifica

2-4Section 2 Ñ InstallationControl Panel InstallationThe control panel consists of a single unit which you can place on a desktop as shown in Figure 2

2-5Control Panel InstallationFigure 2-2. Dimensions for Flush-Mounting the Panel in a ConsoleConsole Cutout27.80 in. (706 mm)17.46 in. (443 mm)Wood s

2-6Section 2 Ñ InstallationSignal Processor Frame InstallationThe Signal Processor Frame (assembly 094900) mounts in a standard 19-inch wide equipment

2-7Cable RoutingFigure 2-3. Installing the Signal Processor Frame in a Standard 19-inch RackCable RoutingTo ensure that the switcher complies with el

2-8Section 2 Ñ InstallationCable ConnectionsRefer to Figure 2-5 and Figure 2-6 while following the instructions on page 2Ð10 through page 2Ð14, which

2-9Cable ConnectionsGeneral Purpose I/FConnector8 Inputs trigger switcher functions8 Outputs trigger external devices PGM KEY OUT 2 J24INPUT 4 J

2-10Section 2 Ñ InstallationControl Panel J1 to Frame J29 Connect the supplied panel-to-frame control cable (assembly 054000) from panel connector J1

2-11Cable ConnectionsExternal Reference Input to Frame J25/J26 and Panel J3/J4Connect a reference source of analog color black video to frame connecto

iv Contents Control Panel Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Signal Processo

2-12Section 2 Ñ InstallationVideo and Key Outputs J17ÐJ24 and J33ÐJ38Connect the video and key outputs to any desired destinations. Output delay is ap

2-13Cable ConnectionsSerial Ports J28, J30, J31, J32The 9-pin serial interface ports may be used interchangeably for connection to a number of serial

2-14Section 2 Ñ InstallationSerial Port Jumper Settings1. Remove the Control Processor module from the frame.2. Locate the three sets of jumpers near

2-15Cable Connections1 CLK2 GNDParallel Component Digital Video Input/Output3 D94 D85 D76 D67 D58 D49 D310 D211 D112 D013 GND14 /CLK15 GND16 /D917 /D8

2-16Section 2 Ñ InstallationFigure 2-8. Model 1200 Connector PinoutsAC Power Connection and System Powerup1. Plug the switcher frame power cord into

2-17AC Power Connection and System Powerup6. Raise the Control Panel and set the power supply switch to 1 (ON). See Figure 2-10.Figure 2-10. Control

2-18Section 2 Ñ InstallationRestartIf the system becomes confused or locks up, you can restart it as explained below. The effect you were working on w

2-19System SetupSystem SetupThe following procedures allow you to configure the 1200 system to your installation. Using the Configuration menus in the

2-20Section 2 Ñ InstallationConfiguration MenuThe Configuration menu (Figure 2-13) and its s sub-menus allow you to set up the switcher to meet your r

2-21System SetupSystem Parameters MenuUse the System Parameters menu (Figure 2-14) as explained below to set the aspect ratio (ratio of television pic

v Contents Section 3 Ñ Functional Description Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-22Section 2 Ñ InstallationDefine Inputs MenuFrom the Configuration menu select [INPUTS>] to display the Define Inputs menu (Figure 2-15). This m

2-23System Setup6. Assign the Effects Return Flag to a video and a key source by highlighting them and pressing [EFX RTN FLAG] soft button. This iden

2-24Section 2 Ñ InstallationCrosspoint Display Legends MenuDisplay the Crosspoint Display Legend menu by selecting [XPT DISP LEGENDS>] from the De

2-25System SetupCrosspoint Map MenuThe Crosspoint Map menu (Figure 2-18) is selected by pressing the [CONFIG] button and then the [XPT MAP>] butto

2-26Section 2 Ñ InstallationOutputs MenuFrom the Configuration menu, select [OUTPUTS>] to display the Outputs menu (Figure 2-19). This menu allows

2-27System SetupTiming MenuInput timing is automatic; however, you can adjust the overall timing manually in the Timing menu (Figure 2-20) to ensure t

2-28Section 2 Ñ InstallationPorts MenuThe Ports Configuration menu (Figure 2-21) is displayed by pressing the [CONFIG] button on the main subpanel an

2-29System SetupFigure 2-21. Ports Configuration MenuPORT CONFIGURATION MENU7BITS PARITY8STOPBITSPORTPORT PROTOCOLADDRBAUDRATE2EVENNONE 1BITS PARITYS

2-30Section 2 Ñ InstallationGPI MenusThe GPI Inputs menu (Figure 2-22) is displayed when you press the [CONFIG] top menu button followed by the [GPI&

2-31System SetupFigure 2-22. GPI Inputs MenuFigure 2-23. GPI Output MenuGPI INPUTSSELECT GPI INPUT= 4 SELECTEVENT= 10 GPIINPUT #STATE EVENTOPENOPENC

vi Contents Preview Mixer Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37Output Modules . . . . .

2-32Section 2 Ñ InstallationTally MenuThe Tally menu (Figure 2-24) allows you to test and observe the switcherÕs tally outputs to determine whether yo

2-33System SetupInstalling Panel Pushbutton Lens ChipsAfter assigning inputs to crosspoints, you can install the supplied lens chips (button labels) i

2-34Section 2 Ñ InstallationOption InstallationOptions ordered with the switcher are installed and fully tested at the factory and require no installa

2-35Option InstallationFigure 2-27. Locations of Submodule Options on Main Modules10064911 Control Processor Module064905 Crosspoint Module064907 Key

2-36Section 2 Ñ InstallationAnalog Output Option InstallationInstallation of the Analog Output (DAC: Digital-to-Analog) option consists of the followi

2-37Analog Output Option InstallationFigure 2-28. Installing the Analog Output Option (DAC) ModulesPROGRAMORPREVIEWMIXER MODULESPACE FORDACOPTIONDAC

2-38Section 2 Ñ InstallationSetting Analog Output Option JumpersThe Analog Output Option leaves the factory set to produce the following analog output

2-39Analog Output Option InstallationVideo Format1. Remove the 064815 Analog Output mezzanine board (the small mezzanine on top) from the 064912 Analo

2-40Section 2 Ñ Installation5. Press the [Confg] button on the main subpanel and then the [OUTPUTS>] soft button to display the Outputs menu. Use

2-41Analog Output Option InstallationAdjusting Analog Output GainThe format selection jumpers provide a convenient way to select signal levels that ar

vii Contents DC Power Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4Bootup Diagnostic Indicato

2-42Section 2 Ñ InstallationFigure 2-29. Color Difference Standard Signal LevelsY:R–Y:B–Y:Y withSetup:SYNCWHITEYELLO WCYANGREENMAGENT AREDBLUEBLA CK3

2-43Analog Output Option InstallationFigure 2-30. RGB Signal Level StandardsSYNCWHITEYELLO WCYANGREENMAGENT AREDBLUEBLA CKB:R:G:71407140-28671400-286

2-44Section 2 Ñ InstallationSatellite Auxiliary Bus Control Panel OptionThe Satellite Auxiliary Bus Panel provides remote control of the switcherÕs au

2-45Analog Output Option InstallationFigure 2-31. Satellite Aux Bus Control Panel InstallationPower Supply Transformer120 or 230 Vac selectable, 50–

2-46Section 2 Ñ Installation

3-13Functional DescriptionIntroductionThis section describes the internal architecture of the Model 1200 Switcher.The following main topics are discus

3-2Section 3 Ñ Functional DescriptionSystem OverviewAs you read the overview, please refer to Figure 3-1.Figure 3-1. System OverviewKEYER CARRIER AND

3-3System OverviewLOOK-AHEAD PREVIEWMIXER OPTIONDIGITAL-TO-ANALOGCONVERTEROPTIONSEND VIDEOOR AUX 1 OUTSEND KEYOR AUX 2 OUTVIDEOPGM 1KEYPGM 1CLEAN FEED

3-4Section 3 Ñ Functional DescriptionService PhilosophyBecause of the surface mount parts, specialized PALS, and multipurpose parts used in the Model

3-5System OverviewVideo SignalsStandard SystemThe Model 1200 uses a 10-bit parallel digital component signal internally with serial digital video conv

viii Contents Figure 2-26 Typical Installation of Submodule and Input/Output Options . . . . . . 2-34Figure 2-27 Locations of Submodule Options on M

3-6Section 3 Ñ Functional DescriptionKey Processor SubmoduleÑThe standard system has a Key Processor Submodule for Key 1 and the DSK. The Key Processo

3-7System OverviewControl Signals The control signals begin in the control panel. The pushbuttons and potentiometers of the control panel are scanned

3-8Section 3 Ñ Functional DescriptionScalingAll of the key, video, and control signals must go Òfrom black to whiteÓ when the signals are sent outside

3-9System OverviewInternal AccuracyThe outputs of the Model 1200 system are 10 bit precision. In order to provide this precision, internal processes f

3-10Section 3 Ñ Functional DescriptionFrame ModulesPower SupplyThe frame Power Supply Module is a switching power supply that generates the following

3-11Frame ModulesControl Processor ModuleThe Control Processor Module (Figure 3-2) has overall control of the system. All of the control and interface

3-12Section 3 Ñ Functional DescriptionSystem BootOn a power up or a reset the reset line on the 68302 is pulsed low while the reset line on the 68020

3-13Frame ModulesSync Pulse SubmoduleThe Sync Pulse Generator Submodule (Figure 3-3) does the following: Determines the television standard of the re

3-14Section 3 Ñ Functional DescriptionSync Pulse Generator CircuitThe reference black signal is first buffered and low pass filtered to remove the sub

3-15Frame ModulesInput ModulesEach of the Input Modules contains the circuitry for two serial or parallel inputs. Both circuits in one module are iden

ix Contents Figure 5-12 Discrete LED Test Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18Figure 5-13 Comm Po

3-16Section 3 Ñ Functional DescriptionCrosspoint Module Autotiming and Chrominance/Luminance SplitOn the Crosspoint Module (Figure 3-6) the video firs

3-17Frame ModulesCrosspoint MatrixThe Crosspoint Matrix (Figure 3-6) consists of 16 inputs by 16 outputs by 10 bits repeated twice, once for luminance

3-18Section 3 Ñ Functional DescriptionChroma Keyer SubmoduleThe crosspoint module sources four buses to the chroma keyer (see Figure 3-7 on page 3Ð20)

3-19Frame ModulesKey generation is done by scaling the signal from the Background Hue Correlation circuit using a variable gain comparator. The scaled

3-20Section 3 Ñ Functional Description Figure 3-7. Chroma Keyer SubmoduleHpositionTo Shdw ProcCrosshairGeneratorAutockeyCircuitBKGD HueCorrellationCi

3-21Frame ModulesKeyer ModuleThe Keyer Module (Figure 3-8) contains the Effects Send crosspoints, proc amps, and Wipe Pattern Generator. The Keyer Mod

3-22Section 3 Ñ Functional DescriptionWipe Pattern GeneratorThe Wipe Pattern Generator (Figure 3-9) produces a single wipe pattern output which is use

3-23Frame ModulesKey Processor SubmoduleThe Key Processor Submodule (Figure 3-10) generates the following signals: Preset pattern key with or without

3-24Section 3 Ñ Functional DescriptionPreset Pattern KeysPattern New is the outer edge of the new video and Pattern Old is the inside edge of the old

3-25Frame ModulesBorderline SubmoduleA Borderline Submodule option (Figure 3-11) can be mounted on each of the Key Processor Submodules. The purpose o