CP650 Cinema Processor Installation 2017-07-18¢  Digital Cinema Processor Installation Manual Issue

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  • Dolby® CP650 Digital Cinema Processor Installation Manual Issue 6 Part Number 91569

  • Dolby® CP650 Installation Manual

    ii

    Dolby Laboratories, Inc.

    Corporate Headquarters

    Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, CA 94103-4813 USA Telephone 415-558-0200 Fax 415-863-1373 www.dolby.com

    European Headquarters

    Dolby Laboratories, Inc. Wootton Bassett Wiltshire SN4 8QJ England Telephone 44-1793-842100 Fax 44-1793-842101

    DISCLAIMER OF WARRANTIES: EQUIPMENT MANUFACTURED BY DOLBY LABORATORIES IS WARRANTED AGAINST DEFECTS IN MATERIALS AND WORKMANSHIP FOR A PERIOD OF ONE YEAR FROM THE DATE OF PURCHASE. THERE ARE NO OTHER EXPRESS OR IMPLIED WARRANTIES AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR OF NONINFRINGEMENT OF THIRD-PARTY RIGHTS (INCLUDING, BUT NOT LIMITED TO, COPYRIGHT AND PATENT RIGHTS).

    LIMITATION OF LIABILITY: IT IS UNDERSTOOD AND AGREED THAT DOLBY LABORATORIES’ LIABILITY, WHETHER IN CONTRACT, IN TORT, UNDER ANY WARRANTY, IN NEGLIGENCE, OR OTHERWISE, SHALL NOT EXCEED THE COST OF REPAIR OR REPLACEMENT OF THE DEFECTIVE COMPONENTS OR ACCUSED INFRINGING DEVICES, AND UNDER NO CIRCUMSTANCES SHALL DOLBY LABORATORIES BE LIABLE FOR INCIDENTAL, SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES, (INCLUDING, BUT NOT LIMITED TO, DAMAGE TO SOFTWARE OR RECORDED AUDIO OR VISUAL MATERIAL), COST OF DEFENSE, OR LOSS OF USE, REVENUE, OR PROFIT, EVEN IF DOLBY LABORATORIES OR ITS AGENTS HAVE BEEN ADVISED, ORALLY OR IN WRITING, OF THE POSSIBILITY OF SUCH DAMAGES. Dolby, Pro Logic, and the double-D symbol are registered trademarks of Dolby Laboratories. Auditorium Assist, EQ Assist, and Surround EX are trademarks of Dolby Laboratories. All other trademarks remain the property of their respective owners. © 2008 Dolby Laboratories. All rights reserved.

    Issue 6 Part No. 91569

    S08/17479/19124

    http://www.dolby.com/

  • Dolby® CP650 Installation Manual

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    Table of Contents

    Regulatory Notices......................................................................................................................viii

    CP650 Operating System Software History...............................................................................xi

    Chapter 1 Introduction 1.1 Dolby Catalog Number Listing ................................................................1-2 1.2 List of Formats Available .........................................................................1-3 1.3 About Dolby Digital Surround EX...........................................................1-5 1.4 Specifications ...........................................................................................1-7

    Chapter 2 Installation 2.1 Check Main Fuse ......................................................................................2-1 2.2 Check Bypass Supply Mains Voltage Setting ..........................................2-2 2.3 Mount the CP650......................................................................................2-2 2.4 Mount the Auditorium Assist Microphone...............................................2-3 2.5 Connect the CP650 ...................................................................................2-3

    2.5.1 Motor-Start Relays (Except CP650DC Models).........................2-4 2.5.2 Remote Controls .........................................................................2-4 2.5.3 Solar Cell Reader Boards (Except CP650DC Models)...............2-4 2.5.4 Analog Nonsync Sources ............................................................2-8 2.5.5 Digital Audio Sources.................................................................2-8 2.5.6 Digital Audio Inputs—General Information.............................2-10 2.5.7 Exploded View and Board Locations .......................................2-12 2.5.8 Installation Wiring Diagrams....................................................2-12

    Chapter 3 Front-Panel and Alignment Overview 3.1 The CP650 Front Panel ............................................................................3-1 3.2 The Setup Control Panel...........................................................................3-7 3.3 Power Supply Voltage Test Points ...........................................................3-9

    Chapter 4 B-Chain Alignment 4.1 Check Theatre Equipment ........................................................................4-1 4.2 Microphone Placement .............................................................................4-2 4.3 Initial Setup ..............................................................................................4-3 4.4 Sound Pressure Level Calibration ............................................................4-4

    4.4.1 Initial Setup with Cat. No. 791 Crossover Installed ...................4-4 4.4.2 Calibration Procedure—All CP650s...........................................4-4

    4.5 Initial Output-Level Calibration ...............................................................4-6 4.5.1 Main Channels ............................................................................4-6 4.5.2 Subwoofer Channel.....................................................................4-7

    4.6 Crossover Setup—CP650 with Cat. No. 791 ...........................................4-8 4.7 Room Equalization .................................................................................4-13

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    4.7.1 Crossover Level Adjustment with Cat. No. 791 Crossover......4-13 4.7.2 Setting Coarse EQ.....................................................................4-14 4.7.3 Setting Fine EQ.........................................................................4-15 4.7.4 The EQ Assist Feature ..............................................................4-16 4.7.5 Setting Subwoofer Channel EQ ................................................4-17 4.7.6 Final Output-Level Calibration.................................................4-18

    4.8 Final Sound Check—Rotating Pink Noise .............................................4-20

    Chapter 5 A-Chain Alignment 5.1 Projector Checkup ....................................................................................5-2 5.2 Projector Analog Optical Alignment........................................................5-2 5.3 Dolby Level Set ........................................................................................5-4

    5.3.1 Automatic....................................................................................5-4 5.3.2 Manual ........................................................................................5-5

    5.4 Film-Path Alignment Check.....................................................................5-6 5.5 Cell Alignment Check ..............................................................................5-6 5.6 Cell Wiring Check....................................................................................5-7 5.7 Azimuth Check.........................................................................................5-7 5.8 Focus Check .............................................................................................5-8 5.9 Optical HF Equalization (Slit-Loss EQ)...................................................5-9

    5.9.1 Auto Slit-Loss EQ.......................................................................5-9 5.9.2 Manual Slit-Loss EQ...................................................................5-9

    Chapter 6 Digital Soundheads 6.1 Mechanical Alignment .............................................................................6-1 6.2 Adjustment with Oscilloscope..................................................................6-2 6.3 Focus Adjustment .....................................................................................6-2 6.4 LED Brightness Confirmation and Adjustment .......................................6-3

    6.4.1 Cat. No. 702 Reader....................................................................6-3 6.4.2 Cat. No. 701 Reader....................................................................6-4 6.4.3 Inboard Digital Readers ..............................................................6-4

    Chapter 7 Final Adjustments 7.1 Setting Bypass Level ................................................................................7-1 7.2 Optical Surround Level Trim ...................................................................7-2 7.3 Setting Optical Surround Delay................................................................7-3 7.4 Setting Digital Surround Delay ................................................................7-4 7.5 Setting Dolby Digital Reader Delay.........................................................7-5 7.6 Dolby Digital Video Level Check............................................................7-7 7.7 Nonsync Level Adjustment ......................................................................7-7 7.8 Mono Level Trim .....................................................................................7-8 7.9 Mono EQ Adjustment...............................................................................7-8 7.10 Assigning Default Level and Global Delay to Front-Panel Buttons ........7-8

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    7.11 Assigning Front-Panel Buttons to Formats ..............................................7-9 7.12 Format 80/81 PCM Options .....................................................................7-9 7.13 Reversion Mode...............