Dolby Laboratories CP65 manual Connector J18

Page 82

D.2

D connector J18

1S0 [automation select] fmt 01 Mono

2S1 [automation select] fmt 04 Dolby A-type

3S2 [automation select] fmt 05 Dolby SR [optical]

4 S3 [automation select] fmt 60 non-sync via matrix 5 S4 [automation select] fmt 10 Digital

6 S5 [automation select] fmt 42 mag aux with NR

7 S6 [automation select] fmt 60 non-sync standard

8 S7 [automation select] fmt 22 mag aux without NR 9 [automation select] “remote/local” fader

10 [automation select] mute

11 “-15 volts”

12 ground

13 “+15 volts”

14 ID0 [automation indicator] fmt 01 Mono

15 ID1 [automation indicator] fmt 04 Dolby A-type

16 ID2 [automation indicator] fmt 05 Dolby Stereo SR [optical] 17 ID3 [automation indicator] fmt 60 non-sync via matrix

18ID4 [automation indicator] fmt 10 Dolby Stereo Digital

19ID5 [automation indicator] fmt 42 mag aux with NR

20ID6 [automation indicator] fmt 60 non-sync standard

21ID7 [automation indicator] fmt 22 mag aux without NR

22IDF local [automation indicator] “remote/local” fader

23IDF mute [automation indicator] mute

24connection to Cat. No. 384

25projector changeover status logic o/p

Image 82

Contents Model CP65 Cinema Processor Dolby Laboratories Inc Headquarters Table of Contents Section Reference Block Diagrams Introduction Page Section Equipment Required Smpte Buzz Track Stereo Optical Surround Level Cat. No Jiffy Test Film Cat. No 2 Listen . . . Film Cat. NoSection Initial SET-UP and Installation Voltage Acceptable Setting Voltage Range Fuse Type Next, check the jumpers in the following locations Cat. No , Power Supply Module Cat. No , B-Chain CardCat. No , Control Logic Card J2 NON-SYNCCP65 Backplane Standard CP65 or CP65ACP65-300 High Low Subwoofer subwoofer Output output These Modules are Necessary for Bypass Operation Reduction Module Slot Card Function Cat. NoTwo-channel Noise Channel DecoderContains a semi-regulated power supply with Voltage Setting Fuse Type InternationalIEC Notices HUM Problems Room lighting dimmer controls SCR-TYPEPage Section AN Overview of the Alignment Procedure Aligning the B-ChainPage Page Section Chain Alignment Preliminary Procedures Action IndicationLamp Voltage Optical Preamplifier Adjustments Chain Alignment Procedures Optical Preamplifier Adjustments 222 CAT. no Test Film Oscilloscope Traces Repeat CAT no Repeat 1 →Magnetic Preamplifier Adjustments Magnetic Alignment 100mV Section Chain Alignment Setting Room Equalization BypassLoudspeakers and Crossovers Amplifiers GeneralChain Alignment Procedures OffRepeat ActionChain Alignment Procedures Setting Room Equalization Do not adjust Paul Setting Room Equalization b. Adjusting L,C,R Gain 14 → 21 R 14 →Setting Mono Gain 79 dBCChain Alignment Procedures Subwoofer Alignment Cat. No 90 dBC 85 dBCFrom Step NoSelect format 04 Dolby Stereo A-Type Same AS 441Surround Equalization Alignment Cat. No Surround Equalization Alignment Cat. No Notes Cat. No 441Desired 88 dBC Bypass Thumbwheel Switch Adjustment of Surround DelayMsec Setting Chain Alignment Procedures Adjustment of Bypass Gain Xx dBCFrom Xx dBC -3 dB Yy dBCAdjustment of Non-sync Gain Press the format 60 non sync switchAuto Freq Adjustment of Mono Gain and Equalization Notes Repeat page 5-20 StepChain Alignment Procedures Final Checks Press the format 04 Dolby Stereo A-type switchSection Reference Diagrams Cat. No Dual Noise Reduction Module Inputs Cat. No Optical Bass Extension and Surround Equalizer Card Cat. No B-Chain Facilities Card Cat. No Power Supply Card Cat. No Transformer Module Inputs Cat. No Control Logic Card 15V +12B Cat. No +24V +15V+15M Appendix a Checking Phasing of Speakers Appendix B Effect of Changes in Slit Height on Slit Losses Operation Appendix C CP65M Mono InstructionsCat. No a Circuit Description Schematic Cat. No a Appendix D Backplane Connections List Terminal Block TB3Connector J18