Dolby Laboratories CP500-300 Specifications download pdf (Page 104)

10-7

10.2.3 Bypass Signal Path LEDs

When the CP500 is operating in Bypass, the only LEDs that are active are the Cat.

No. 661 optical preamp card located three slots from the left hand side of the unit

(J3). They are the Projector Selected LEDs and the Lt and Rt Signal Present LEDs.

If the Signal Present LEDs are flashing, you should have sound unless the fader is

turned down or the Cat. No. 661, 682, or 683 (optional card) has failed.

10.3 Troubleshooting Chart

The following pages may assist you in finding problems with your CP500 Cinema

Processor.

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 152 153

Model CP500 1
Model CP500 2
TABLE OF CONTENTS 3
1.1 About the Dolby CP500 9
1.3 About This Manual 10
1.4 Specifications 11
1.5 Regulatory Notices 13
SECTION 2 15
EQUIPMENT REQUIRED 15
TEST FILM 16
3.1.2 While playing the film: 17
3.2 Mount the CP500 18
3.3 Connect the CP500 18
(Models CP500-D, and -70) 19
Figure 3 - 2 21
Figure 3 - 3 21
3.4 Check and Set Jumpers 22
1.9 mSEC 1.9 mSEC 1.9 mSEC 24
Appendix B, Cat. No. 683 25
Model CP500-D 26
Model CP500-D/300 27
Model CP500-SR 27
Model CP500-70 27
3.6 Bypass Power Wiring 28
3.7 Power On 29
4.1 The CP500 Front Panel 31
4.2 System Password 34
4.3 Aligning the B-Chain 35
Amplifiers 37
Air-conditioning 38
B-Chain Alignment 39
POWER AMPS 40
“85 dBC” 43
Cat. No. 682 card 52
6.1 Aligning the A-Chain 53
LAMP VOLTAGE DC ADJUSTMENT 55
OSCILLOSCOPE TRACES 59
CAT. NO. 661 60
P1, Left 61
P1, Right 62
Projector 1 64
7.1 Mechanical Alignment 65
7.3 Focus Adjustment 66
Figure 7- 2 67
Figure 7- 3 68
Figure 7- 4 68
CCD Circuit Board 68
Figure 7- 5 69
7.8 Film Threading 70
7.9 Cat. No. 673 71
7.11 Format Control 71
Allowable Source Formats 74
Allowable Target Formats 74
How It Works 74
Assigning Source Formats 75
Assigning Target Formats 76
Figure 7- 8 77
7.13.2 Print Cleanliness 78
7.13.3 Adjustments 78
SECTION 8 79
FINAL ADJUSTMENTS 79
8.2.1 Static 81
8.2.2 Dynamic 82
8.2.3 Typical Settings 82
Width (feet) 83
Width (meters) 83
8.4 Bypass Adjustments 84
REMEMBER 86
Format 04 Dolby Stereo 88
REMEMBER: 89
Figure 8-2 90
Figure 9 - 1 92
CAT. NO. 689 REMOTE 93
Selection 94
9.2.1 Operation 95
9.2.2 Components 97
10.1 During the Show 98
Surround Speakers 100
Electronic Crossover: 100
10.2 Between Shows 101
WARNING: 103
10.3 Troubleshooting Chart 104
NO SOUND AT ALL 105
NO SOUND IN SOME 106
FADER PROBLEMS 107
CONTROL PROBLEMS 107
RUMBLES, WHISTLES 108
HUM etc. IN SOUND 108
TROUBLE IN ONE OR 109
MORE CHANNELS 109
CHANGEOVER AND 112
CONTROL TROUBLES 112
APPENDIX A 114
ADVANCED OPERATIONS 114
Cancel OK 115
Equipment Needed 118
Saving System Settings 119
Connect to Load500 124
Menu Cancel OK 129
B.1 Description and Features 130
B.2 Installation 130
B.3 Alignment 131
B.4 Special Applications 133
B.5 Headers Available 134
B.6 Jumpers and Headers 135
1. Automation Connector: 137
2. Serial Data Connector: 137
3. Motor Start Connector: 137
9. Mic. Input Connector: 139
System Setup Menu Tree 143
Signal Block Diagram 143
Basic Functions 144
Auxiliary Data Channel 146
Optical Sound 148
Magnetic Sound 149
Dolby Gets Involved 150
The Next Step: Dolby SR 151
And Now - Dolby Digital 151
About Dolby AC-3 152
Making Films Sound Better 152

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Dolby Laboratories CP500-300 Specifications Page 104

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