Dolby Laboratories CP650 Installation Manual Page 30
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Dolby
®
Model CP650 Installation Manual Installation
2-6
Table 2–1 Solar Cell Preamp Board Connectors
J2 Pin Number Signal
1 Right (or Left) +
2 Signal Ground
3
Right (or Left) –
4 Left (or Right) +
5 Signal Ground
6 Left (or Right) –
J1 Pin Number Power from CP650
7 +15 V
8 –15 V
9 Signal Ground
There must be a connection between the ground pins at the Cat. No. 655 solar cell
circuit board and the audio common in the CP650. This connection must not use the
shield of the optical input cable, since doing so may impose RF energy on the CP650
ground system.
Pin numbers 6 and 9 of each 9-pin D-connector (“Projector”) on the CP650 allow
these connections to be made. The wire that connects either of these pins to the
Cat. No. 655 audio ground should pass inside the same shield as the optical input
cables and not connect with the shield at any point.
Gnd
1
Gnd
Gnd
Gnd
Gnd
3
2
4
5
1
2
3
6
Out 2–
Out 1–
Out 2+
Out 1+
*
*
*
+
+
–
–
1
2
3
4
5
6
7
8
9
Cat.No.655 Wiring Diagram
Ground wire on pin 5, OPTIONAL
Ground wire on pin 2, REQUIRED
+Vdd
Vdd
–
Shield
Shield
Shield
CP650
Optical In
Figure 2–3 Cell Preamp Wiring Using Two 3-Conductor Shielded (Screened) Cables
Gnd
1
Gnd
Gnd
Gnd
Gnd
3
2
4
5
1
2
3
6
Out 2–
Out 1–
Out 2+
Out 1+
J2
J1
*
*
*
+
+
–
–
1
2
3
4
5
6
7
8
9
Cat.No.655 Wiring Diagram
Ground wire on pin 5, OPTIONAL
Ground wire on pin 2, REQUIRED
+Vdd
Vdd
–
Shield
CP650
Optical In
Shield
Figure 2–4 Cell Preamp Wiring Using One 5- or 6-Conductor Shielded (Screened) Cable
- 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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