VDO CI 3000 - COMPATIBILITY LIST Repair Manual

Repair ManualAmericas Business CenterTechnical Services201 Burlington RoadBedford MA 01730TEL: 1.781.386.5309FAX: 1.781.386.5988Digital PalettesColor

1-6GENERAL DESCRIPTIONB. Major ComponentsFigure 1-3 shows the major components of the Digital Palette Film Recorder system.Figure 1-3. Major Componen

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3-1TROUBLESHOOTING3. TroubleshootingTABLE OF CONTENTSA. Introduction...3-3B. Diagnostic

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3-3TROUBLESHOOTINGA. IntroductionThe troubleshooting section of this manual contains information designed to help you isolate poten-tial problems in

3-4TROUBLESHOOTINGB: Diagnostic Software / Hardware ProcedureObjective: This procedure is intended to describe the use and function of Diagnostic so

3-5TROUBLESHOOTINGCommand Line ArgumentsExamples:DP2DIAG 1 - run all of the diagnostics; test connectors are installed; parallel port 1 is connectedto

1-7GENERAL DESCRIPTION1. Monitor BoardThe Monitor Board contains the electronics that control the characteristics ofthet CRT - horizontal and vertical

3-6TROUBLESHOOTINGC: Digital Palette GentestDigital Palette Gentest is a menu driven software tool that allows alignment and calibration of theDigit

3-7TROUBLESHOOTINGThe following is a description of each of the selections on the menu of Gentest:<F1> View Image File - allows user to select a

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3-9TROUBLESHOOTINGD. TROUBLESHOOTING CHARTS

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3-11TROUBLESHOOTINGYes NoCheck Power SupplyFuse F1 OK?Yes NoReplace AfterChecking IncomingAC PowerReplace Fuse F1ON/OFFSwitch OK?Yes NoNo Pow

3-12TROUBLESHOOTINGRun Diagnostics ToVerify Logic BoardFailureCheck Wiring &Connectors - OK?Replace PowerSupplyRepair orReplaceYes NoReplace Logic

3-13TROUBLESHOOTING Yes NoCheck J7 Pin 1 to 25 vdc?Yes NoPalette Works OKBut No LEDCheck Logic BoardTest Points:TP12 (GRND)TP13 +5vDCTP14 +12vDCTP15

3-14TROUBLESHOOTINGYes NoReplace StepperMotor AssemblyDiagnostics OK?Replace LogicBoardFilter WheelIndexes Intermittently/Does Not FunctionChart 4

3-15TROUBLESHOOTINGYes No35MM Camera WillNot Function(Camera OK)Is Fuse F1 OnLogic Board Open? Yes NoCheck Logic BoardTest Points:TP12 (GRND)TP13 +5v

1-8GENERAL DESCRIPTIONC. Controls and IndicatorsThe function of each of the controls and indicators shown in Figure 1-3 is describedin Table 1-

3-16TROUBLESHOOTINGUnable to Control Brightness byUsing Function Keys on HostComputer While in GENTEST(Autoluma ADT Procedure)Run Diagnostics ToVerify

3-17TROUBLESHOOTINGCRT Filament Not LitTurn Off PowerUnplug CRT SocketUse VOM to Check ContinuityBetween Pins3 & 4 of CRTContinuity?Yes NoPlug In

3-18TROUBLESHOOTINGCheck U1 Pin 1 forHorizontal SignalNo Video on CRTCheck Input Voltage on P9Pin 15 + 12VPin 1 + 12 VYes NoCheck E1 Yellow Wi

3-19TROUBLESHOOTINGPicture Has Dark Cornerson Top or BottomFollow HCOS VCOSAdjustment Procedurein ManualRun Diagnostics to VerifyLogic Board FunctionY

3-20TROUBLESHOOTINGNo Video, or Lines in Video Thru WhiteField. Or in Gentest Lines in Circles(DPGTI Displayed)Check Q4 Base onMonitor Board forVideo

PARTS REPLACEMENT4-14. Parts ReplacementTABLE OF CONTENTS Introduction 4-3 Special Equipment Required 4-5A. Replacing the Front Housing Ass

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PARTS REPLACEMENT4-3INTRODUCTIONFollow these procedures to replace Digital Palette parts that are identified as defective duringtroubleshooting. In m

PARTS REPLACEMENT4-4Figure 4-1 Replacement Parts

PARTS REPLACEMENT4-5SPECIAL EQUIPMENT REQUIREDPresented below is a list of equipment needed for the required calibration and adjustment of theDigital

1-9GENERAL DESCRIPTIOND. Dimensions and Specifications1. Dimensions and Weight (without camera back)Height: 7.125" (18.097 CM)Width: 7.75" (

PARTS REPLACEMENT4-6A. REPLACING THE FRONT HOUSING ASSEMBLY1. REMOVAL: (Figure 4-2)a. Disconnect AC power from the system.b. Remove the six screws and

PARTS REPLACEMENT4-7Figure 4-2 Cover and Front Housing Removal

PARTS REPLACEMENT4-8B. REPLACING THE LED1. REMOVAL: (Figure 4-3)a. Disconnect AC power from the system.b. Remove the six screws and washers holding th

PARTS REPLACEMENT4-9Figure 4-3 LED Replacement

PARTS REPLACEMENT4-10C. REPLACING THE FILTER WHEEL ASSEMBLY1. REMOVAL: (Figure 4-4)a. Disconnect AC power from the system.b. Remove the six screws and

PARTS REPLACEMENT4-11Figure 4-4 Filter Wheel Assembly Replacement

PARTS REPLACEMENT4-12D. REPLACING THE WHEEL POSITION SENSOR1. REMOVAL: (Figure 4-5)a. Disconnect AC power from the system.b. Remove the six screws an

PARTS REPLACEMENT4-13Figure 4-5 Wheel Position Sensor Replacement

PARTS REPLACEMENT4-14E. REPLACING THE CRTNote: CRT replacement is to be performed at depot facilities only.1. SPECIAL EQUIPMENT NEEDED:Host ComputerOs

PARTS REPLACEMENT4-15Figure 4-6 CRT Replacement

1-10GENERAL DESCRIPTION6. Power RequirementsThe units meet domestic and international requirements (switchable). +5V and+12V; 110 to 220VAC at 50/60Hz

PARTS REPLACEMENT4-16h. Unplug the ground lead from P5 on the Monitor Board Assembly.i. Loosen the CRT clamp screws far enough to release the CRT, the

PARTS REPLACEMENT4-17F. REPLACING THE CRT MOUNTING FIXTURENote: CRT Mounting Fixture Replacement is to be done at depot facilities only.1. SPECIAL EQ

PARTS REPLACEMENT4-183. INSTALLATION:a. Remove the two CRT clamps (Figure 4-6) from the old CRTMounting Fixture and install them on the new Fixture.b.

PARTS REPLACEMENT4-19Figure 4-7 CRT Mounting Fixture Replacement

PARTS REPLACEMENT4-20G. REPLACING THE STEPPER MOTORNote: Stepper Motor Replacement is to be done at depot facilities only.1. SPECIAL EQUIPMENT NEEDE

PARTS REPLACEMENT4-21f. Unhook the spring from the Stepper Motor remove the retainingring from the pivot pin, and slide the Motor out.g. Unplug the St

PARTS REPLACEMENT4-22H. REPLACING THE MONITOR BOARD ASSEMBLYNote: Monitor Board Replacement is to be done onloy at depot facilities.1. SPECIAL EQUI

PARTS REPLACEMENT4-23h. Disconnect the CRT anode cap by lifting its flange with your fingers anddepressing one contact with a greenstick to release it

PARTS REPLACEMENT4-24j. Perform the Calibration and Adjustment procedures described inSection 5. WARNING: Since power is ON, use extreme caution to pr

PARTS REPLACEMENT4-25I. REPLACING THE POWER SUPPLY BOARD ASSEMBLY1. REMOVAL: (Figure 4-9)a. Disconnect AC power from the system.b. Remove the six scr

2-1THEORY OF OPERATION2. Theory of OperationTable of ContentsA. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PARTS REPLACEMENT4-26 Figure 4-9 Power Supply Board Assembly Replacement

PARTS REPLACEMENT4-27J. REPLACING THE LOGIC BOARD ASSEMBLYNote: Logic Board Replacement is to be done only at depot facilities.1. SPECIAL EQUIPMENT

PARTS REPLACEMENT4-28h. Remove the eight screws securing the Logic Board Assembly tothe chassis.i. Gently slide the Logic Board Assembly out of the ch

PARTS REPLACEMENT4-29 Figure 4-10 Logic Board Assembly Replacement

PARTS REPLACEMENT4-30K. REPLACING THE LINE FILTER ASSEMBLY 1. REMOVAL: (Figure 4-10)a. Disconnect AC power from the system.b. Remove the six screw

PARTS REPLACEMENT4-31L. REPLACING THE POWER SWITCH1. REMOVAL: (Figure 4-11)a. Disconnect AC power from the system.b. Remove the six screws and wash

PARTS REPLACEMENT4-32Figure 4-11 Power Switch Replacement

PARTS REPLACEMENT4-33M. REPLACING THE REMOTE CAMERA CONNECTOR1. REMOVAL: (Figure 4-11)a. Using a flat screwdriver, push against the two detents sec

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CALIBRATION & ADJUSTMENTS5-1Table of ContentsA. Electrical/Final Assembly Alignment of the CRT . . . . . . . . . . . . . 5-3Adjusts the system so

2-2THEORY OF OPERATION3. Random Access Memory (RAM). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-30a. Dynamic Random Access Memory (D

CALIBRATION & ADJUSTMENTS5-2This section includes a series of tests which should be performed whenever a DigitalPalette Film Recording system is s

CALIBRATION & ADJUSTMENTS5-3A. Electrical/Final Assembly Alignment of the CRTThis procedure must be performed whenever the Monitor Board is replac

CALIBRATION & ADJUSTMENTS5-4Figure 5-1. Electrical/Final Assembly Alignment of the CRTProcedure:WarningMost of the following steps must be done w

CALIBRATION & ADJUSTMENTS5-5Figure 5-2. Adjustment Locations5. View the displayed image on the Final Assembly Alignment gauge (#12579) usingthe

CALIBRATION & ADJUSTMENTS5-66. Visually inspect the “tennis court” to make sure it’s properly centered horizontallyand vertically. Make sure the

CALIBRATION & ADJUSTMENTS5-7Figure 5-4. Offset Measurement and CalculationVertical Offset Measurement and Calculation:1. Measure V5 and V62.

CALIBRATION & ADJUSTMENTS5-8IF THE ABOVE CONDITIONS ARE NOT MET, FOLLOW THESE STEPS:1. Cut the hot melt securing the two centering rings on the

CALIBRATION & ADJUSTMENTS5-9B. Autoluminant AdjustmentAlways do the Autoluminant Adjustment whenever the Logic Board and/or theMonitor Board is re

CALIBRATION & ADJUSTMENTS5-10Figure 5-5. Autoluminant Adjustment6. To End Dark Current Adjust, press F1 and it defaults to AUTOLUMA.7. Install th

CALIBRATION & ADJUSTMENTS5-11C. COS4 AdjustmentAlways make this adjustment whenever the Monitor Board and/or the Logic Board isreplaced.Equipment

2-3THEORY OF OPERATION4. CRT Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-63a. +7 KVDC. . . .

CALIBRATION & ADJUSTMENTS5-12IMPORTANTBefore continuing, be sure to escape from Gentest aftercompleting Autoluminant Adjustment.1. Place the Probe

CALIBRATION & ADJUSTMENTS5-13D. Electrical Focus AdjustmentDone at depot facilities only.Equipment Needed:CRT Collimation Master 12991Digital Pa

CALIBRATION & ADJUSTMENTS5-14E. Digital Palette CRT CollimationDone at depot facilities only.Equipment Needed:CRT Collimation Master 12991CRT Coll

CALIBRATION & ADJUSTMENTS5-15Procedure:1. Turn the focus wheel on the Collimator while looking through the collimator eyepiece. Focus the collima

CALIBRATION & ADJUSTMENTS5-165. Turn the focus wheel on the collimator while looking through the collimatoreyepiece. Look in the eypiece and focu

CALIBRATION & ADJUSTMENTS5-178. Obtain the proper size shims and cut them as shown in Figure 5-11. This will allowthem to be pushed under the mou

CALIBRATION & ADJUSTMENTS5-18F. Taking a Test PictureEquipment:Pack Film Back and Pack filmDigital Palette Gentest DisketteHost ComputerProcedure:

CALIBRATION & ADJUSTMENTS5-19G. 35MM CollimationDone only at depot facilitiesEquipment Needed:1-150 Light SourceC-1300 Null Meter12993 Camera back

CALIBRATION & ADJUSTMENTS5-20Figure 5-12. Dial Gauge AssemblyProcedure:1. First turn on the Light Source and the Null Meter.NoteSet the Light Sou

CALIBRATION & ADJUSTMENTS5-21Before performing the following step, make sure theplunger on the dial gauge is no more than 1/4 inchfrom the end of

2-4THEORY OF OPERATION3. Logic Controller P.C. Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-82o Microprocessor Control N

CALIBRATION & ADJUSTMENTS5-227. Install the 35mm Lens Assembly, that you are testing, onto the Collimation Adapterin place of the master.8. Carefu

CALIBRATION & ADJUSTMENTS5-23H. 108 COLLIMATIONDone only at depot facilities.Equipment Needed:1-150 Light SourceC-13000 Null Meter12993 Camera Bac

CALIBRATION & ADJUSTMENTS5-24before starting to rise once again. The lowest value before the first rise is calledthe Null Point (Figure 5-13).3.

CALIBRATION & ADJUSTMENTS5-259. If the Dial Gauge Assembly indicates a reading of more than +/- .015 from zero, thelens must be collimated as foll

CALIBRATION & ADJUSTMENTS5-26I. Dual Autoluma ReworkThe following rework procedure eliminates calibration error due to CRT drift. The reworkinclud

CALIBRATION & ADJUSTMENTS5-2710. To end dark current, press F1 (it defaults to AUTOLUMA).11. Install the photometer and adjust Brightness Pots unt

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2-5THEORY OF OPERATIONList of IllustrationsFigure 2-1 Exposure System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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2-6THEORY OF OPERATIONList of TablesTable 2-1 DC Power System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13T

2-7THEORY OF OPERATIONA. IntroductionNote Refer to the provided user manuals for a detailed description of the host computer and its software

2-8THEORY OF OPERATIONB. Exposure SystemThe Exposure System (Figure 2-1) consists of a camera (back) adapter assembly. a filterwheel assembly, a filte

2-9THEORY OF OPERATIONDigital Palette is designed for use with Polaroid 35mm film andconventional Polaroid color film. However, conventional 35mm fil

2-10THEORY OF OPERATIONmove the filter wheel to its start (0) position. If the next instruction is to ahigher filter position, the filter wheel rotat

2-11THEORY OF OPERATIONP.C. Board increment the stepper motor. As the stepper motor turns, itrotates the filter wheel assembly until the specified co

2-12THEORY OF OPERATIONC. Power Supply Module1. AC PowerThe Digital Palette operates from domestic or international commercial ACPower (Figure 2-2) ap

2-13 THEORY OF OPERATIONo Optional Daughter Board via connectors J1 and J2 on the Logic ControllerP.C Board.Figure 2-2 shows the DC Power system.

2-14THEORY OF OPERATIONTable 2-1. DC Power System (Con't)Connector Output Voltage FunctionJ51 (Con't) +12V_LB This dc output voltage powers

2-15 THEORY OF OPERATIONTable 2-1. DC Power System (Con't)Connector Output Voltage FunctionJ53 (Con't) +12V_A This dc output voltage pow

POLAROID DIGITAL PALETTE SERVICE MANUALCONTENTSSECTION 1 GENERAL DESCRIPTIONSECTION 2 THEORY OF OPERATIONSECTION 3 TROUBLESHOOTINGSECTION 4 PARTS REPL

2-16THEORY OF OPERATIOND. Logic Controller P.C. BoardThe Logic Controller P.C. Board contains all the necessary electronic circuitry to control the Di

2-17THEORY OF OPERATIONFigure 2-3. Logic Controller P.C. Board Simplified Block Diagram128KVRAM(Optional)128KVRAM512KDRAM(Optional)128KDRAMAddressLat

2-18THEORY OF OPERATIONinterface, it interprets (decodes) them and then directs the specifiedoperating function of the Digital Palette - downloads pix

2-19THEORY OF OPERATIONTable 2-2. Microprocessor’s Internal Timers (Con't)Timer FunctionTimer 1 (TIMR1) The XTALHS signal is used to drive the p

2-20THEORY OF OPERATION3) Device I/O Select LinesThe microprocessor has 64 Kbytes of I/O space. Within this I/Ospace, the microprocessor is capable o

2-21THEORY OF OPERATIONTable 2-4. Device I/O Data Select Lines (Con’t)Select Line FunctionPCS2 This select line is asserted for I/O addresses 0x100 t

2-22THEORY OF OPERATION4) DMA Controller ChannelsThe microprocessor has two general purpose DMA controllerchannels: DMA controller channel 0 and DMA c

2-23THEORY OF OPERATION5) Programmable MemoryThe Microprocessor Control Network (Figure 2-9, sheet 1) usesthree types of memory:o Erasable Programmabl

2-24THEORY OF OPERATIONTable 2-6. Clock Signals from MicroprocessorClock Signal FunctionOUTCLK This microprocessor clock signal operates:o Control PA

2-25THEORY OF OPERATIONThe generated RESET signal initializes:o Horizontal Timing Generator (Control PAL, Pixel Latch,Horizontal 9-Bit Down Counter).o

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2-26THEORY OF OPERATIONWhen the Digital Palette operator momentarily presses theRESET switch, the Reset Control circuit generates a reset signalthat i

2-27THEORY OF OPERATIONFor detailed information pertaining to the RESET command fromthe host computer, refer to the Digital Palette ProductSpecificati

2-28THEORY OF OPERATIONTable 2-7. Microprocessor Control PAL Select SignalsSelect Signal FunctionSCSICS Asserted during an IO read/write cycle to the

2-29THEORY OF OPERATIONf. Communications BusThe communications bus consist of 16 lines. It functions as anaddress/data bus and a latch /address bus.A

2-30THEORY OF OPERATION3. Random Access Memory (RAM)The Digital Palette uses two types of Random Access Memory: Dynamic ReadAddress Memory (DRAM) an

2-31THEORY OF OPERATIONThe Digital Palette with the optional VRAM’s added (Additional 128Kof VRAM) provides the ability to expose images with a horizo

2-32THEORY OF OPERATIONTable 2-8. RAM Control PAL’sControl PAL FunctionRCTLP1 The RCTLP1 control PAL provides the following operation signals:o RSEL2

2-33THEORY OF OPERATIONd. DRAM and VRAM RefreshAll of the DRAM’s and VRAM’ have the CAS before the RAS refreshfeature. With this type of feature, row

2-34THEORY OF OPERATIONBefore the timing table is set, or when entries in the timing table arechanged, the TIMTBL DMA should be disabled. This is per

2-35THEORY OF OPERATIONDMA controller channel 1 of the microprocessor performs theVRAM shift register load operation after each horizontal scan line.I

1-1GENERAL DESCRIPTION1. General DescriptionTable of ContentsA. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-36THEORY OF OPERATIONWhen the DMA controller counter counts down to zero indicatingthat the specified number of horizontal scan lines has occurred a

2-37THEORY OF OPERATIONlatched and remembered, then the subsequent intermediate VRAMshift register load will read the next row in VRAM by using theupp

2-38THEORY OF OPERATIONTable 2-9. TIMTBL Control Bits (Con't)Control Bits FunctionVRSR2 VRSR11 0 This control function indicates a VRAM intermed

2-39THEORY OF OPERATIONsignal. This VROE signal is asserted during a VRAM read and a VRAMshift register load cycle. During the VRAM cycle, VROE is a

2-40THEORY OF OPERATIONBecause the VRAM’s cannot run as fast as the video rate, a number of VRAMbytes must be read and compared in parallel. The four

2-41THEORY OF OPERATION the VDEFLCT signal is used to drive the vertical yoke of the CRT.At the end of each horizontal scan line, the microprocessor n

2-42THEORY OF OPERATIONa. Horizontal Sync and Video Timing GenerationThe Horizontal Sync (HSYNC) and Video Enable signals are generatedby a background

2-43THEORY OF OPERATION Table 2-10. Significance of Address Segment BitsBit Line FunctionAD15 HSYNC If this bit is true, the next time s

2-44THEORY OF OPERATIONb. Horizontal Timing Down CounterThe Horizontal Timing Down Counter (Figure 2-9, sheet 3) is a 9-bitcounter. It is driven by a

2-45THEORY OF OPERATIONthe /HLDA signal, is sent to the control PAL 1 (U45) to indicate that aDRAM read cycle should occur. /HLDA is also sent to the

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2-46THEORY OF OPERATIONF out/NCounterAmplifier/FilterVoltageControlledOscillatorPhaseDetectorFigure 2-4. Phase-Locked Loop Frequency Synthesizer Bloc

2-47THEORY OF OPERATIONOne output of the horizontal timing circuitry is the synthesizedHorizontal Sync (/HSYNC) signal. This signal is used as the fe

2-48THEORY OF OPERATION8. Digital Palette Operationsa. Camera Back ControlThe Digital Palette supports a number of different camera backs:35mm, Pack F

2-49THEORY OF OPERATIONTable 2-11. Camera Type Codes1-Byte Code ASCII String128 (80 hex) Pack Film129 (81 hex) 35mm130 (82 hex) Auto Film131 (83 hex)

2-50THEORY OF OPERATION NoteIf the film parameter specified by the ExposeColor command (set by the host computer software)is inapprop

2-51THEORY OF OPERATIONcamera back shutter to open allowing the video image that isdisplayed on the CRT to expose the film.Once the exposure sequence

2-52THEORY OF OPERATIONUpon command, the octal addressable latch outputs the necessarydrive pulses to the stepper motor drive network. The steppermot

2-53THEORY OF OPERATIONparagraph 4 in this Section of the Service Manual for a functionaldescription of the Digital Palette buffer memory.Upon receipt

2-54THEORY OF OPERATIONIf it is determined that the filter wheel is positioned correctly(specified colored filter between monitor display screen and

2-55THEORY OF OPERATIONc. Filter Wheel Position ControlThe Filter wheel Position Control circuit (Figure 2-9, sheet 5), inconjunction with the micropr

1-3GENERAL DESCRIPTIONA. Product DescriptionThe Polaroid Digital Palette Film Recorder system is a high resolution imaging devicethat produces slides

2-56THEORY OF OPERATIONE. Monitor AssemblyThe Monitor Assembly used in the Digital Palette is basically a medium resolutionblack-and-white television.

2-57THEORY OF OPERATIONFigure 2-5. Monitor P.C. Board Simplified Block DiagramHorizontalLineraityControlHorizontalOutputDriverCathodeDriverHorizontal

2-58THEORY OF OPERATIONTable 2-12. Monitor P.C. Board ControlsName Number FunctionCOARSE R46 This control adjust the coarse luminanceLUMA (brightness

2-59THEORY OF OPERATION Table 2-12. Monitor P.C. Board Controls (Con’t)Name Number FunctionV COS4 R26 This control vertically adjust for even illumat

2-60THEORY OF OPERATION2. Cathode Ray Tubea. ComponentsThe Cathode Ray Tube (Figure 2-6) used in the Digital Palette is a3-inch rectangular tube. It

2-61THEORY OF OPERATIONNoteThis principle is based on the rule inelectricity and electronics that like polesrepel and unlike poles attract.After the s

2-62THEORY OF OPERATION3. DC PowerAs previously stated, the Monitor P.C. Board contains all the necessary electroniccircuits to process the digital vi

2-63THEORY OF OPERATIONc. -12V_A Regulated DC VoltageThe -12V_A Regulated DC Voltage is supplied via connector J4 on theLogic Controller P.C. Board an

2-64THEORY OF OPERATIONsecondary windings. The high voltage pulse from the secondary windingsof the flyback transformer is then applied to a high vol

2-65THEORY OF OPERATIONd. +850 VDCThis voltage drives accelerator grid 6 and focus grid 7 of the CRT.When the Horizontal Deflection circuit applies a

1-4GENERAL DESCRIPTION2. ResolutionThe Model CI-3000 is capable of imaging at resolutions up to 2048 X 1366 (2K),and the Model CI-5000 can achieve res

2-66THEORY OF OPERATIONTo maintain a stable CRT beam (image, brightness, and focus) with changingDigital Palette loads, the Cathode Driver circuit kee

2-67THEORY OF OPERATIONb. Beam ShapingA capacitor in the horizontal output driver network blocks the dc currentthrough the horizontal yoke and provide

2-68THEORY OF OPERATIONbeam does not move straight up; it moves from side-to-side during itsupward swing. This is caused by the horizontal lines bein

2-69THEORY OF OPERATION9. COS4 Exposure CorrectionThe COS4 Exposure Correction circuit adjust and controls the radial luminanceof the CRT video displa

2-70THEORY OF OPERATIONF. Computer InterfaceThe Digital Palette is designed to operate in the IBM PC, Apple Macintosh (MAC-II),and UNIX based engineer

2-71THEORY OF OPERATIONTable 2-13. Control Lines for Bi-Directional Octal LatchControl Line FunctionCPDIR This control line indicates whether the por

2-72THEORY OF OPERATIONde-assert the /CPBSY line. Also, the assertion of /CPACK and the associatedde-assertion of /CPBSY indicate to the host compute

2-73THEORY OF OPERATIONo Isolation (buffer) between the host computer and the Digital Paletteto prevent signals internal to the Digital Palette from f

2-74THEORY OF OPERATIONTable 2-14. Centronics Interface I/O Signal Lines (Con't)Pin # Name Function12 PE This signal line transmits hardware err

2-75THEORY OF OPERATION2. Small System Computer InterfaceThe Small System Computer Interface (SCSI - commonly pronounced“SKUH-zee”) is an industry sta

1-5GENERAL DESCRIPTION4. Film Types35mm: PolaChrome, PolaChrome HC, PolaPan, PolaGraph, PolaBlue, andPresentation Chrome, High Definition 100, Convent

2-76THEORY OF OPERATIONThe SCSI Interface Board in conjunction with the host interface cableprovides the following:o Buffers and preprocesses the tran

2-77THEORY OF OPERATIONTable 2-15. SCSI Interface I/O Signal LinesPin # Name Mnemonic Function26 - 34 Data DB0-DB7, Upon command, the data asserted b

2-78THEORY OF OPERATIONTable 2-15. SCSI Interface I/O Signal Lines (Con’t)Pin # Name Mnemonic Function45 Reset RST This control line transmits the RS

2-79THEORY OF OPERATIONG. System Diagrams and SchematicsThe system diagrams and schematics that are referenced during the functional descriptionof th

2-80THEORY OF OPERATIONPower ReceptaclePower SupplyModuleSCSIInterfacePowerON/OF SwitchLogicControllerCameraBackFilter wheelPosition Sensor(Photo Int

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