Dolby Laboratories CP500 Specifications Page 27
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3.5 Install Circuit Cards - Card Descriptions
If they are not already installed in the CP500 unit, install all of the cards for your
system as shown below for each CP500 version. Note that the noise reduction
modules (Cat. No. 222SR-A) are shipped uninstalled. This is to prevent damage
during shipment due to their weight. Should it ever be necessary to ship the CP500
again, be sure to remove these from the unit and pack them separately.
NOTE
: Cat. No. 222SR-A modules are primarily intended for playback of 35mm photographic soundtracks,
and have headroom capabilities based on that medium. As a result, use of Cat. No. 222SR-A modules are not
recommended for playback of 35 mm magnetic print-masters or SR encoded 70mm magnetic film.
Contact
Dolby Laboratories for further information.
Model CP500-D
Cat. No. 222SR/A Module
Provides two channels of Dolby A-type noise reduction and Dolby SR processing.
Cat. No. 661 Optical Preamplifier Card *
Must be functioning for bypass operation
*
Amplifies the outputs of the analog soundtrack solar cells in the selected projector.
Projector select logic.
Provides slit loss equalization.
Cat. No. 681 Input Switch Card
Stereo analog multiplexer for selecting signal to be fed to noise reduction cards.
Audio sample rate clock.
Cat. No. 675A Digital Signal Processing Cards (2)
Matrix decoder for Dolby Pro-Logic.
Non-sync processing.
Signal generation and signal analysis functions.
Twenty-seven band 1/3 octave equalization for L, C, R channels.
Nine band octave equalization for L and R surround channels.
Equalization for subwoofer channel.
Cat. No. 685 6-Channel Analog to Digital Converter Card
Used for external 6-channel analog inputs (optional).
Cat. No. 662 6-Channel Digital to Analog Converter and Voltage
Controlled Amplifier Card
Converts digital data to analog audio and includes the main fader voltage controlled
amplifier.
Cat. No. 682 Analog Output Card *
Must be functioning for bypass operation
*
Switches and routes output channels.
Contains treble and bass control circuits.
Generates hearing impaired output and mid-surround output.
Contains bypass power regulator and output amplifier.
Cat. No. 684 System Controller Card
Must be present for level control in bypass mode. Bypass will function at a fixed
level if this card is not present or operational.
- Film-Tech 1
- Model CP500 2
- Model CP500 3
- TABLE OF CONTENTS 4
- 1.1 About the Dolby CP500 10
- 1.3 About This Manual 11
- 1.4 Specifications 12
- 1.5 Regulatory Notices 14
- SECTION 2 16
- EQUIPMENT REQUIRED 16
- TEST FILM 17
- 3.1.2 While playing the film: 18
- 3.2 Mount the CP500 19
- 3.3 Connect the CP500 19
- (Models CP500-D, and -70) 20
- Figure 3 - 2 22
- Figure 3 - 3 22
- 3.4 Check and Set Jumpers 23
- CAT. NO. 683 25
- Appendix B, Cat. No. 683 26
- Model CP500-D 27
- Model CP500-D/300 28
- Model CP500-SR 28
- Model CP500-70 28
- 3.6 Bypass Power Wiring 29
- 3.7 Power On 30
- 4.1 The CP500 Front Panel 32
- 4.2 System Password 35
- 4.3 Aligning the B-Chain 36
- 5.1 Check Theater Equipment 38
- 5.2.2 Screen Channels 39
- B-Chain Alignment 40
- 5.3 Room Equalization 41
- “85 dBC” 44
- Reference 47
- Response 47
- CAT. NO. 682 52
- Cat. No. 682 card 53
- 6.1 Aligning the A-Chain 54
- LAMP VOLTAGE DC ADJUSTMENT 56
- OSCILLOSCOPE TRACES 60
- CAT. NO. 661 61
- P1, Left 62
- 7.1 Mechanical Alignment 66
- 2.7 to 5 volts 67
- Voltage Adjust 68
- 7.6 Optical Alignment 69
- Figure 7- 5 70
- 7.8 Film Threading 71
- 7.9 Cat. No. 673 72
- 7.11 Format Control 72
- Allowable Source Formats 75
- Allowable Target Formats 75
- How It Works 75
- Assigning Source Formats 76
- Assigning Target Formats 77
- Figure 7- 8 78
- 7.13.2 Print Cleanliness 79
- 7.13.3 Adjustments 79
- SECTION 8 80
- FINAL ADJUSTMENTS 80
- 8.2.1 Static 82
- 8.2.2 Dynamic 83
- 8.2.3 Typical Settings 83
- Width (feet) 84
- Width (meters) 84
- 8.4 Bypass Adjustments 85
- Position J900 to 86
- REMEMBER 87
- Format 04 Dolby Stereo 89
- Adjustments 90
- 8.5 About Non-sync 91
- 8.6 Mute Speed Adjustment 92
- Figure 9 - 1 93
- CAT. NO. 689 REMOTE 94
- 9.1.3 Auditorium Fader 95
- 9.2.1 Operation 96
- 9.2.2 Components 98
- 10.1 During the Show 99
- Surround Speakers 101
- Electronic Crossover: 101
- 10.2 Between Shows 102
- WARNING: 104
- 10.3 Troubleshooting Chart 105
- NO SOUND AT ALL 106
- NO SOUND IN SOME 107
- FADER PROBLEMS 108
- CONTROL PROBLEMS 108
- RUMBLES, WHISTLES 109
- HUM etc. IN SOUND 109
- TROUBLE IN ONE OR 110
- MORE CHANNELS 110
- CHANGEOVER AND 113
- CONTROL TROUBLES 113
- APPENDIX A 115
- ADVANCED OPERATIONS 115
- Cancel OK 116
- A.2 Saving System Settings 119
- Saving System Settings 120
- A.2.2 Using Load500 Software 125
- Connect to Load500 127
- Menu Cancel OK 130
- B.1 Description and Features 131
- B.2 Installation 131
- B.3 Alignment 132
- B.4 Special Applications 134
- B.5 Headers Available 135
- B.6 Jumpers and Headers 136
- APPENDIX C 138
- 9. Mic. Input Connector: 140
- System Setup Menu Tree 144
- Signal Block Diagram 144
- Basic Functions 145
- Auxiliary Data Channel 147
- Optical Sound 149
- Magnetic Sound 150
- Dolby Gets Involved 151
- The Next Step: Dolby SR 152
- And Now - Dolby Digital 152
- About Dolby AC-3 153
- Making Films Sound Better 153
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