Dolby Laboratories CP650 Installation Manual Page 112
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Dolby
®
CP650 Installation Manual Maintenance and Troubleshooting
9-4
9.3.3 The Event Log
The event log stores entries on the operation of the CP650. It can be useful in
troubleshooting or tracking subtle system failures. Also, Auditorium Assist
TM
fail
parameters are stored in the event log. (See Section 7.16.3.) Normally, a single log
entry occurs every time the CP650 powers on. When viewing the event log display,
the newest entries appear at the top; turn the front-panel knob to scroll through
the list.
1. The event log is a user’s menu item. Ensure that DIP
switch 6 is in the normal (down) position.
2. Press multiple times, or press and hold the button while
rotating the front-panel knob, to move to the event log.
3. Scroll through the event log using the front-panel knob.
Note: If film is running during CP650 power-up, you may see erroneous information
entered into the event log. The power-up self-test software applies test signals
to the optical input circuits. If film is playing, the test signals are mixed with
film sound, producing unpredictable test results.
9.3.4 Troubleshooting Chart
The following chart may assist you in solving problems.
123 7456 8
00:00:00 Startup
10:20:36 Startup
36:09:03 Startup
- Digital Cinema Processor 1
- Installation Manual 1
- Dolby Laboratories, Inc 2
- Table of Contents 3
- CP650 Installation Manual 4
- List of Figures 6
- List of Tables 7
- Regulatory Notices 8
- CP650 Installation Manual 11
- Chapter 1 13
- Introduction 13
- Dolby Digital 18
- Surround EX mode 18
- 1.4 Specifications 19
- 2.1 Check Main Fuse 21
- 2.3 Mount the CP650 22
- 2.5 Connect the CP650 23
- 2.5.2 Remote Controls 24
- 2.5.5 Digital Audio Sources 28
- For Cat.No. 778 29
- For Cat.No. 794 29
- CP650 INSTALLATION WIRING 33
- INPUT AND CONTROL CONNECTIONS 33
- AUDIO OUTPUT CONNECTIONS 35
- CP650DCXO INSTALLATION WIRING 38
- Chapter 3 41
- 3 1/3 db 45
- 3.2 The Setup Control Panel 47
- Chapter 4 51
- B-Chain Alignment 51
- 4.2 Microphone Placement 52
- 4.3 Initial Setup 53
- OK to save this setting 54
- Mic Level Too Low 55
- Proceeding 55
- Uncalibrated 55
- 4.5.1 Main Channels 56
- 4.5.2 Subwoofer Channel 57
- Cat. No. 791 58
- Screen Loss 58
- Filter Jumpers 58
- Crossover Mode 59
- >3 Way 59
- Le / Re Channels 59
- Disabled 59
- OK to save 62
- 4.7 Room Equalization 63
- 4.7.2 Setting Coarse EQ 64
- 4.7.3 Setting Fine EQ 65
- 4.7.4 The EQ Assist Feature 66
- Digital Subwoofer 68
- >Level: xx 68
- Polarity: Normal 68
- Center Noise: Off 68
- OK to save the selection 69
- 123 7456 8 70
- Chapter 5 71
- A-Chain Alignment 71
- 5.1 Projector Checkup 72
- 5.3 Dolby Level Set 74
- 5.3.2 Manual 75
- 5.5 Cell Alignment Check 76
- 5.6 Cell Wiring Check 77
- 5.7 Azimuth Check 77
- 5.8 Focus Check 78
- 5.9.1 Auto Slit-Loss EQ 79
- 5.9.2 Manual Slit-Loss EQ 79
- OK to save the settings 80
- Chapter 6 81
- Digital Soundheads 81
- 6.3 Focus Adjustment 82
- 6.4.1 Cat. No. 702 Reader 83
- 6.4.2 Cat. No. 701 Reader 84
- Chapter 7 85
- Final Adjustments 85
- OK to save the setting 86
- Digital Surround 88
- > xxx mSec 88
- 7.8 Mono Level Trim 92
- 7.9 Mono EQ Adjustment 92
- Front-Panel Buttons 92
- Button Presets 93
- Button 01 93
- Fader: 6.5 93
- >Delay: 0—170 mSec 93
- 7.13 Reversion Mode 94
- 7.15 Noise Gating 94
- 7.16.3 Fail Parameters 97
- L M1 0 99
- 7.17 Dialogue Normalization 100
- 7.18 Network Configuration 100
- 7.19 Clock Set 101
- 7.20 Date Set 101
- Chapter 8 103
- Accessories 103
- 8.1.1 Remove the Housing 104
- Top View 105
- 8.1.5 Assemble the Unit 106
- 8.1.6 Connect to the CP650 107
- Chapter 9 109
- 9.3 CP650 Troubleshooting 110
- Bypass Fuse 111
- 9.3.3 The Event Log 112
- 9.3.4 Troubleshooting Chart 112
- NO SOUND AT ALL 113
- NO SOUND IN SOME 114
- FORMATS 114
- FADER PROBLEMS 115
- CONTROL PROBLEMS 115
- RUMBLES, WHISTLES 116
- HUM IN SOUND 116
- TROUBLE IN ONE OR 117
- MORE CHANNELS 117
- CHANGEOVER AND 120
- CONTROL TROUBLES 120
- CP650 POWER SUPPLY WIRING 122
- CAT.NO.776-5 (GOLD COVER) 122
- CAT.NO.776-2 (GOLD COVER) 124
- Cat. No. 702 Exploded View 125
- Cat. No. 702 REAR VIEW 126
- F11504A_2.CDR 127
- Cat. No. 700 / 701 REAR VIEW 128
- Appendix A 129
- Software Operations 129
- A.2 Updating CP650 Software 130
- Appendix B 133
- Rear-Panel Connectors 133
- B.2 Input Connectors 136
- B.3 I/O Connectors 140
- Appendix C 143
- Format Descriptions 143
- C.2 Format Definitions 144
- Cat. No. 778 AES1 153
- Appendix D 155
- External Control 155
- Key Range of Values Notes 156
- Serial Data 157
- Remotes and Aud. Fader 158
- Appendix E 161
- Setup and User Menus 161
- + = 161
- = Bypass/Normal toggle 163
- (Cat. No. 778 only) 164
- E.2 CP650 User Menu 165
- DIP switch 6 Down 165
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