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Dolby Laboratories CP500-70 Processor manual available for free PDF download: Installation And Alignment Manual
Dolby Laboratories CP500-70 Installation And Alignment Manual (154 pages)
Digital Cinema Sound processor
Brand:
Dolby Laboratories
| Category:
Computer Hardware
| Size: 1 MB
Table of Contents
Table of Contents
4
Section 1 Introduction
10
About the Dolby CP500
10
Hardware Configurations Available
10
Cp500-D
10
Cp500-Sr
11
About this Manual
11
Specifications
12
Regulatory Notices
14
Fcc
14
Iec
14
Section 2 Equipment Required
16
Section 3 Installation and Jumpers
18
Replacing an Existing Sound System
18
Before Playing the Film
18
While Playing the Film
18
Disconnect the Old System
18
Mount the CP500
19
Connect the CP500
19
Connect Motor Start Relays
20
Connect Remote Controls
20
Connection of Solar Cell Boards
21
Check and Set Jumpers
23
Cat. No. 661 Optical Pre-Amplifier Card (Analog Soundtracks)
23
Cat. No. 681 Analog Switch Card
23
Cat. No. 682 Analog Output Card
24
Cat. No. 683 Crossover Card (Optional)
25
Install Circuit Cards - Card Descriptions
27
Model CP500-D
27
Cat. No. 222SR/A Module
27
Cat. No. 661 Optical Preamplifier Card
27
Cat. No. 681 Input Switch Card
27
Cat. No. 675A Digital Signal Processing Cards (2)
27
Cat. No. 685 6-Channel Analog to Digital Converter Card
27
Cat. No. 662 6-Channel Digital to Analog Converter and Voltage Controlled Amplifier Card
27
Cat. No. 682 Analog Output Card
27
Cat. No. 684 System Controller Card
27
Cat. No. 683 Crossover Card (Optional)
28
Dolby Digital Soundtrack Processing System
28
Cat. No. 670 Video Front-End Card
28
Cat. No. 671 DSP Cards (2)
28
Cat. No. 673 System Services Card
28
Cat. No. 675A Digital Signal Processing Card
28
Cat. No. 680 Bit Rate Converter Card
28
Model CP500-D/300
28
Model CP500-SR
28
Model CP500-70
28
Bypass Power Wiring
29
Power on
30
Hum and Other Noise Problems
31
SECTION 4 FRONT PANEL and ALIGNMENT OVERVIEW
32
The CP500 Front Panel
32
Soft Keys: SK1 to SK8
32
Hard Keys
32
Formats
32
Menu
32
Cancel
34
Exit
34
Other Controls and Indicators
34
System Password
35
Aligning the B-Chain
36
Section 5 B-Chain Alignment
38
Check Theater Equipment
38
Amplifiers
38
Air-Conditioning
39
Preparing for Room Equalization
39
Using a Microphone Multiplexer with the CP500
39
Configure the Cat. No. 682 for Use with the Optional Cat. No. 683 Electronic Crossover Card
39
Screen Channels
39
Surround Channel Bass Drivers (Optional)
40
Room Equalization
41
Bypass Crossover Adjustment
52
Section 6 A-Chain Alignment
54
Aligning the A-Chain
54
Analog Optical Alignment - Projector
55
SECTION 7 Cat. No. 700 DIGITAL SOUNDHEAD
66
Mechanical Alignment
66
Adjustment Setup with Oscilloscope
66
Focus Adjustment
67
Exciter Lamp Level Confirmation and Adjustment
68
Film Path Alignment
68
Optical Alignment
69
How to Identify Types of Soundtracks
71
Film Threading
71
Cat. No. 673
72
Projector Changeover / Motor Run Indicators
72
Format Control
72
Automatic Selection of the Dolby Digital Format
73
A Quick Look at Operation with Standard Set-Up
73
Operation with Custom Setup
74
Allowable Source Formats
75
Allowable Target Formats
75
How It Works
75
Disabling the Auto-Digital Feature
75
Setting up the Auto-Digital System
76
Assigning Source Formats
76
Assigning Target Formats
77
Maintenance and Adjustments
78
Replacing the Exciter Lamp
78
Print Cleanliness
79
Adjustments
79
Section 8 Final Adjustments
80
Setting Optical Surround Delay
80
Setting Digital Soundhead Delay
82
Static
82
Dynamic
83
Typical Settings
83
Setting Digital Surround Delay
84
Bypass Adjustments
85
Before You Adjust
85
Bypass Level Adjustment (no Cat. No. 683 Electronic Crossover Card Installed)
86
Output HF/LF Balance and Level Adjustments(with Cat. No. 683 Electronic Crossover Card)
87
Bypass Level Adjustment for Early Cat. No. 682
89
Cat. No. 683 Electronic Crossover Card Installed)
89
Early Cat. No. 682 Output HF/LF Balance and Level Adjustments (with Cat. No. 683 Electronic Crossover Card)
90
About Non-Sync
91
Mute Speed Adjustment
92
Section 9 Accessories
93
CP500 Operation with Remote Controls
93
Cat. No. 689 CP500 Remote Control
93
Cat. No. 734 CP500 Remote Fader
94
Auditorium Fader
95
Operation with Cat. No. 580 Microphone Multiplexer
96
Operation
96
Components
98
Section 10 Troubleshooting
99
During the Show
99
If Film Sound Is Lost
99
If One Channel Fails or Is Distorted
100
If Switching to Bypass Does Not Restore Sound
100
If You Hear Extraneous Noises When Playing a Digital Film
100
Excessive or Inappropriate Sound from Surround Speakers
101
Crossover
101
Between Shows
102
Analog Film Sound Signal Path Leds
102
Digital Film Sound Signal Path Leds
103
Bypass Signal Path Leds
105
Troubleshooting Chart
105
Appendix A Advanced Operations
115
Customizing the Format Display Screen
115
Saving System Settings
119
Using the Terminal Program in Windows
119
Equipment Needed
119
Transferring Data from the CP500 to the Computer
119
Transferring Data from the Computer to the CP500
123
Using Load500 Software
125
Equipment Needed
125
Transferring Data from the CP500 to the Computer
125
Transferring Data from the Computer the to the CP500
127
Transferring Data between Two Cp500S
129
Appendix B Cat. No. 683 Electronic Crossover
131
Description and Features
131
Installation
131
Alignment
132
Screen Channels
132
Surround Channel Bass Drivers
133
Bypass Crossover Subsystem
133
Special Applications
134
Time Delay
134
Crossover Frequency
135
Headers Available
135
Jumpers and Headers
136
Appendix C Backplane Connector Assignments
138
Automation Connector
138
Serial Data Connector
138
Motor Start Connector
138
Bypass / Remote Connector
139
Main / LF Output Connector
139
Crossover Output Connector
139
Optical 1 Input Connector
140
Optical 2 Input Connector
140
MIC. Input Connector
140
10. Accessory Rack Analog Connector
141
11. Accessory Rack Digital Connector
142
12. 6 Channel Input Connector
143
13. Reader 1 and Reader 2 Input Connector
144
System Setup Menu Tree
144
Alignment and Diagnostics Menu Tree
144
Signal Block Diagram
144
Backplane Interconnections
144
Appendix D the Dolby Digital Subsystem
145
Basic Functions
145
Discussion of Changeover Technique
147
Auxiliary Data Channel
147
Appendix E the Evolution of Dolby Film Sound
149
Optical Sound
149
Magnetic Sound
150
Dolby Gets Involved
151
The Next Step: Dolby SR
152
And Now - Dolby Digital
152
About Dolby
153
Making Films Sound Better
153
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