Dolby Laboratories CP65 manual Cat. No , Control Logic Card, J2 NON-SYNC

Page 13

2-7

Cat. No. 443, Control Logic Card

 

 

 

Connect center pad to desired

 

 

 

wake-up state pad

 

 

 

 

(factory setting shown).

J6

 

 

 

 

 

Allows diodes

 

MUTE

LIVE

 

Wake up in remote

 

J5

in the spare

 

 

 

column to

Wake up in local

J1

 

disable the

 

J3 IN

 

Edgecode

 

 

 

 

reader

 

 

 

 

Turns off surround

 

 

 

J4

channel in non-sync

Turns on surround

 

 

 

channel in non-sync

 

01

Position the

 

J2 NON-SYNC

 

04

 

 

05

jumper to

 

 

NS 2:4

the desired

 

 

 

SR•D

wake-up

 

 

 

42

 

 

 

}format

 

 

 

60

 

 

 

22

 

 

 

 

 

Spare jumper

STD

} Non-sync mode

2:4

Cat. No. 443

Can select remote faders

Cannot select remote faders

REMOTE/LOCAL

FADER JUMPERS

There are four programmable-link jumpers J1-J4 and two hard-wired links J5 and J6.

J1 Remote Fader In/Out:

 

 

 

 

 

 

 

 

 

 

 

 

 

IN enables fader transfer.

 

 

 

 

 

 

OUT disables the transfer of faders.

Note: If J1 is

out and J3 is

J2

NS Surr Off/On:

 

 

remote,

fader cannot

 

OFF disables surround channels in Non-sync.

be called back to local.

 

ON enables surround channels in Non-sync.

 

 

 

 

 

 

 

J3

Wake-Up Local/Remote:

 

 

 

 

 

 

 

 

 

 

 

LOCAL ensures that the local fader is selected at power on. REMOTE selects remote faders at power

 

on.

 

 

 

 

 

J4

Wake-Up Format / Non-Sync Processing:

 

 

 

 

The top 8 positions choose which format will be selected at power-up:

 

Wake-Up Jumper Position

Format Description

 

 

 

 

01

 

Mono

 

 

 

 

04

 

Dolby Stereo A-Type

 

 

 

 

05

 

Dolby Stereo SR

 

 

 

 

NS 2:4

Non-sync 2:4 matrix decode

 

 

 

 

SR•D (10)

Dolby Digital

 

 

 

 

42

 

Dolby Stereo 70mm

 

 

 

 

60

 

Non-sync

 

 

 

 

22

 

35mm mag with surround

 

 

 

 

The lower two positions determine the processing on the non-sync signal when the front panel non-

 

sync button is pressed:

 

 

 

 

 

 

Non-Sync Mode Jumper Position

Description

 

 

 

 

Std

Selects standard Non-sync processing. The non-sync signals are sent directly to the left

 

 

 

and right screen channels without matrix decoding to maximize stereo width. The

 

 

 

optional surround channel is derived via the Cat. No. 150 and selected by J2 with level

 

 

 

adjusted on the Cat. No. 441. There is no center or subwoofer output.

 

2:4

 

Selects a full 2:4 matrix decode of the non-sync signal. The output is sent to the left,

 

 

 

center, right, surround and subwoofer channels without noise reduction. This format

 

 

 

could be used in dubbing stages and screening rooms for playback of video and music

 

 

 

sources.

 

 

 

J5

Inhibit Cat. No. 384 Output:

 

 

 

 

 

 

JUMPER INSTALLED: Diodes inserted in the spare logic line column (SPR) at the various format

 

positions will disable a Cat. No. 384 edgecode reader when that format is selected and override any

 

codes on the film.

 

 

 

 

 

 

JUMPER NOT INSTALLED: diodes fitted in the spare (SPR) column have no effect on the edgecode

 

reader.

 

 

 

 

 

J6

Mute Wake-Up State Live/Mute: LIVE sets the fader to the unmuted state at power-up. MUTE sets

 

the fader to the muted state at power-up.

 

 

 

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Contents Model CP65 Cinema Processor Dolby Laboratories Inc Headquarters Table of Contents Section Reference Block Diagrams Introduction Page Section Equipment Required Jiffy Test Film Cat. No 2 Listen . . . Film Cat. No Smpte Buzz Track Stereo Optical Surround Level Cat. NoSection Initial SET-UP and Installation Voltage Acceptable Setting Voltage Range Fuse Type Next, check the jumpers in the following locations Cat. No , B-Chain Card Cat. No , Power Supply ModuleJ2 NON-SYNC Cat. No , Control Logic CardStandard CP65 or CP65A CP65 BackplaneCP65-300 High Low Subwoofer subwoofer Output output These Modules are Necessary for Bypass Operation Two-channel Noise Slot Card Function Cat. NoReduction Module Channel DecoderContains a semi-regulated power supply with International Voltage Setting Fuse TypeIEC Notices Room lighting dimmer controls SCR-TYPE HUM ProblemsPage Aligning the B-Chain Section AN Overview of the Alignment ProcedurePage Page Section Chain Alignment Action Indication Preliminary ProceduresLamp Voltage Optical Preamplifier Adjustments Chain Alignment Procedures Optical Preamplifier Adjustments 222 CAT. no Test Film Oscilloscope Traces Repeat Repeat 1 → CAT noMagnetic Preamplifier Adjustments Magnetic Alignment 100mV Section Chain Alignment Bypass Setting Room EqualizationLoudspeakers and Crossovers General AmplifiersOff Chain Alignment ProceduresAction RepeatChain Alignment Procedures Setting Room Equalization Do not adjust Paul 14 → 21 R 14 → Setting Room Equalization b. Adjusting L,C,R Gain79 dBC Setting Mono GainChain Alignment Procedures Subwoofer Alignment Cat. No 85 dBC 90 dBCStep No FromSelect format 04 Dolby Stereo A-Type 441 Same ASSurround Equalization Alignment Cat. No Cat. No 441 Surround Equalization Alignment Cat. No NotesDesired 88 dBC Bypass Thumbwheel Switch Adjustment of Surround DelayMsec Setting Xx dBC Chain Alignment Procedures Adjustment of Bypass GainXx dBC -3 dB Yy dBC FromPress the format 60 non sync switch Adjustment of Non-sync GainAuto Freq Repeat page 5-20 Step Adjustment of Mono Gain and Equalization NotesPress the format 04 Dolby Stereo A-type switch Chain Alignment Procedures Final ChecksSection 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 Terminal Block TB3 Appendix D Backplane Connections ListConnector J18
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