Dolby Laboratories CP650 Installation Manual Page 153
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Dolby
®
Model CP650 Installation Manual Back Panel Connectors
B-5
Motor-Start Connector
The motor-start connector is used to interconnect the changeover control lines of the
CP650 with the theatre control system. If the CP650 is to be used in a platter
operation (single projector), a jumper must be installed on this connector between
pins 1 and 5. This configuration is identical to the one used on the Dolby CP500.
Motor Start: Less than 1 VDC with respect to signal ground.
Motor Off: Greater than 3.5 VDC, less than 18 VDC.
Table B–5 Motor-Start Connector Pinout
Pin Connection
1 Motor Start 1
2 P1 Changeover select (gnd)
3 P1 / P2 Changeover select (gnd for P2)
4 P2 Changeover select (gnd)
5 Chassis Gnd
9 Motor Start 2
Optical Input Connectors (1 and 2)
There are two connectors for analog solar cell inputs from analog soundheads. Up to
two projectors can be connected to the CP650. The pinout for each connector is
identical. In addition to providing for the input of the analog soundhead signals, the
CP650 has bipolar DC outputs to supply power to optical preamplifiers (±14 VDC).
This DC voltage is supplied from the CP650 bypass power supply to ensure that
optical preamplifiers still function if the CP650 switches to bypass operation during a
performance. The maximum supply current available is 15 mA per preamp.
Table B–6 Optical Input Connector Pinout
Pin Connection
1 L+
2 L–
3 GND
4 R+
5 R–
6 GND
7 +14 V supply (through a 150 resistor) 20 mA max
8 –14 V supply (through a 150 resistor) 20 mA max
9 GND
MIC Input Connector
The Mic Input is a balanced input using a three-pin XLR female connector. This
connector is a duplicate of the MIC MUX input connector on the front setup panel.
Table B–7 Mic Input Connector Pinout
Pin Connection
1 Shield
2 + signal
3 – signal
- Model CP650 1
- Installation Manual 1
- Dolby Laboratories, Inc 2
- Table of Contents 3
- List of Figures 7
- List of Tables 9
- Chapter 1 13
- Introduction 13
- 1.3 Accessories 15
- 1.5 Specifications 15
- Dolby Digital 19
- Surround EX mode 19
- 1.9 Regulatory Notices 22
- 1.9.5 Notices for Europe 23
- Chapter 2 25
- Installation 25
- 2.3 Mount the CP650 27
- 2.5 Connect the CP650 28
- 2.5.2 Remote Controls 29
- 2.5.5 Digital Audio Sources 32
- OPTION CARD I/O 33
- (See Section 9.3.2.) 36
- PROFESSIONAL AUDIO 37
- EQUIPMENT 4J06 37
- CP650 INSTALLATION WIRING 38
- AUDIO OUTPUT CONNECTIONS 38
- FLOW CHART 41
- CP650 SYSTEM 41
- Chapter 3 43
- 3 1/3 db 46
- Chapter 4 53
- B-Chain Alignment 53
- 4.2 Microphone Placement 54
- 4.3 Initial Setup 55
- 4.5.1 Main Channels 58
- 4.5.2 Subwoofer Channel 60
- Cat. No. 791 61
- Screen Loss 61
- Filter Jumpers 61
- Setting Corner Frequency 65
- Next Channel 68
- Crossover Levels screen 69
- 1, 2, 4 kHz 72
- = Flat 73
- = EQ Assist 73
- 4.7.4 The EQ Assist Feature 74
- Saving Changes 76
- Chapter 5 81
- A-Chain Alignment 81
- 5.4 Dolby Level Set 84
- O O 85
- O O 85
- 5.6 Cell Alignment Check 87
- 5.7 Cell Wiring Check 88
- 5.8 Azimuth Check 88
- 5.9 Focus Check 89
- Chapter 6 93
- Digital Soundheads 93
- 6.3 Focus Adjustment 94
- Chapter 7 97
- Final Adjustments 97
- Width (feet) 100
- Width (meters) 101
- 7.5 Nonsync Level Adjustment 103
- < + > 104
- 105
- 7.11 Reversion Mode 108
- 7.13 Noise Gating 109
- 7.14.1 Operation 110
- • Auditorium unoccupied 110
- • Doors closed 110
- 7.14.4 “FAIL” Parameters 113
- 7.16 Clock Set 115
- 7.17 Date Set 116
- Chapter 8 117
- Accessories 117
- 8.2.1 Remove the Housing 118
- Top View 119
- 8.2.5 Assemble the Unit 120
- 8.2.6 Connect to the CP650 121
- Chapter 9 123
- Remove wires 124
- Oscilloscope 125
- Output Adjust 126
- Replacement lamp: 127
- Use only General Electric EPT 127
- Reflector-type 127
- Dolby Part No. 34010 127
- 9.3 CP650 Troubleshooting 128
- FB425C04.CDR 129
- 9.3.3 The Event Log 130
- 9.3.4 Troubleshooting Chart 130
- NO SOUND AT ALL 131
- NO SOUND IN SOME 132
- FORMATS 132
- FADER PROBLEMS 133
- CONTROL PROBLEMS 133
- RUMBLES, WHISTLES 134
- HUM IN SOUND 134
- TROUBLE IN ONE OR 135
- MORE CHANNELS 135
- CHANGEOVER AND 138
- CONTROL TROUBLES 138
- CP650 POWER SUPPLY WIRING 140
- CAT.NO.776-1 (BLACK COVER) 140
- CAT.NO.776-2 (GOLD COVER) 141
- CAT. NO. 701 EXPLODED VIEW 142
- CAT. NO. 700/701 REAR VIEW 143
- Appendix A 145
- Software Operations 145
- A.2 Updating CP650 Software 146
- Appendix B 149
- Back Panel Connectors 149
- * No connection 150
- D-connector 150
- B.2 Input Connectors 152
- Pin Connection 154
- Pin Connection 155
- B.3 I/O Connectors 156
- Appendix C 159
- 123 7456 8 160
- Appendix D 161
- Format Descriptions 161
- D.2 Format Definitions 162
- Cat. No. 778 AES1 171
- Appendix E 173
- External Control of CP650 173
- Commands 174
- Examples 175
- Appendix F 179
- Setup and User Menus 179
- + = 179
- Mutes CP650 if not detecting 181
- F.2 CP650 User Menu 182
- DIP switch 6 DOWN 182
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