Model 587 Multichannel Audio Converter User`s Manual - Film-Tech
Contents
1. 2 2 2 3 5 Digital to Analog Indicator and Adjustment 2 2 Chapter 3 Comnectore ilaele lean 3 1 3 1 R ar P nel 3 1 St Analog palo ail 3 1 3 1 2 AES EBU In External Synchronization 3 1 3 1 3 AES EBU In Connegtors spione alia 3 1 S A CR EE 3 1 BARS SO Ae 3 2 Chapter A System Specifications 4 1 4 1 Generali ceti e ie lo le i 4 1 42 Analog to Digital Converter Specifications 4 1 4 3 Digital to Analog Converter Specifications 4 2 Model 587 Multichannel Audio Converter List of Figures Figure 1 1 Mains Input Module ss earlier vii Ficure 2 Fuse Holder and iaia bi ahi Vili Figure 2 1 Model 387 Front a eee aa ene 2 1 Figure 3 1 Model 587 Reat rh cass 3 1 Figure 3 2 Input ee LIL 3 2 Figure 3 3 Output Connectors air alles nia 3 2 FCC Model 587 Multichannel Audio Converter Regulatory Notices This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio fre2. See Figure 3 2 The Model 587 accepts balanced audio inputs at up to 28 dBu without clipping and includes differential mode RF low pass filtering DC block and ESD protection 3 1 2 AES EBU In External Synchronization A balanced 1100 XLR connection provides for an AES EBU external clock reference See Figure 3 2 3 1 3 AES EBU In Connectors Four AES EBU female XLR inputs panel provide balanced digital inputs to the Digital to Analog converters See Figure 3 2 3 1 4 AES EBU Out Connectors There are four AES EBU outputs each on male XLR connectors See Figure 3 3 3 1 Model 587 Multichannel Audio Converter 3 1 5 Analog Output The analog outputs are electronically balanced and floating providing a minimum of 24 dBu into a balanced 600Q load Clipping will occur at approximately 20 dBu when driving a single ended load See Figure 3 3 Pin Function Pin 2 Pin 1 1 Ground Earth 2 Signal Pin 3 Signal Figure 3 2 Input Connectors Pin Function Pin I 2 1 Ground Earth 2 Signal 3 Signal Figure 3 3 Output Connectors 3 2 Model 587 Multichannel Audio Converter 4 1 General Dimensions Net Weight Shipping Weight AC Mains Connector Power consumption Peak inrush current Operating Temperature Non Operating Storage Temperature Humidity 4 2 Number of Channels Nominal Resolution Sampling Rate Nominal Input Level Nominal Headroo
3. jitter crystal oscillator for asynchronous operation at 48 kHz Balanced audio is input via eight female 3 pin XLR connectors on the rear panel Dolby standard double green LED indicators provide simple and accurate alignment of reference levels AES EBU 110Q outputs are provided via three male 3 pin XLR connectors on the rear panel Additionally an optional input linear protection limiter is provided to prevent digital clipping in the A D converters The digital to analog section also uses custom high performance 24 bit converter modules capable of operating at any sample rate between 30 08 and 55 kHz Each module is independently clocked from its respective AES EBU 110Q digital input provided by three female 3 pin XLR connectors on the rear panel Front panel LEDs indicate when each module is locked to the incoming AES stream Balanced audio is output via eight male 3 pin XLR connectors on the rear panel 1 1 Model 587 Multichannel Audio Converter Chapter 2 System Setup 2 1 Cooling A large low speed fan with airflow from the lower front to the upper rear of the product is used to minimize the acoustical noise To improve reliability when heat is exchanged from neighboring products in a rack a fan servo is implemented that increases the fan speed and noise if the internal air temperature reaches 45 C The fan noise for internal temperatures below 45 C is lt 28 dBa The product can be placed above or below other components in a ra
4. FILM TECH THE INFORMATION CONTAINED IN THIS ADOBE ACROBAT PDF FILE IS PROVIDED AT YOUR OWN RISK AND GOOD JUDGMENT THESE MANUALS ARE DESIGNED TO FACILITATE THE EXCHANGE OF INFORMATION RELATED TO CINEMA PROJECTION AND FILM HANDLING WITH NO WARRANTIES NOR OBLIGATIONS FROM THE AUTHORS FOR QUALIFIED FIELD SERVICE ENGINEERS IF YOU ARE NOT A QUALIFIED TECHNICIAN PLEASE MAKE NO ADJUSTMENTS TO ANYTHING YOU MAY READ ABOUT IN THESE ADOBE MANUAL DOWNLOADS WWW FILM TECH COM Model 587 Multichannel Audio Converter User s Manual Part Number 91772 Issue 1 Model 587 Multichannel Audio Converter Dolby Laboratories Inc Corporate Headquarters Dolby Laboratories Inc 100 Potrero Avenue San Francisco CA 94103 4813 Telephone 415 558 0200 Fax 415 863 1373 Email info dolby com www dolby com European Headquarters Dolby Laboratories Inc Wootton Bassett Wiltshire SN4 8QJ England Telephone 44 1793 842100 Fax 44 1793 842101 WARNING Troubleshooting must be performed by trained technicians Do not attempt to service this equipment unless you are qualified to do so Check that the correct fuses have been installed To reduce the risk of fire replace the fuses only with the same type and rating DISCLAIMER OF WARRANTIES Equipment manufactured by Dolby Laboratories is warranted against defects in materials and workmanship for a period of one year from the date of purchase All warranties conditions or other ter
5. Signals that are greater than 4 dBFS will hard clip The limiter is enabled when the front panel push button is depressed and the green LED indicator is lit Analog to Digital Level Indicator and Adjustment Each analog to digital converter has a gain trim with a range of 16 dB located on the front panel With the trim at center position an input signal of 0 dBu will correspond to 20 dBFS Each channel has a four LED level meter to facilitate the gain trim The bottom LED lights yellow when the signal level is between 44 dBFS and 21 dBFS indicating signal presence The two middle LEDs light green when the signal is 20 dBFS 0 25 dB giving a double green indication for Dolby Level The red LED lights whenever the input signal is greater than 2 dBFS To align the converter for operation with a digital reference level of 20 dBFS apply a 1kHz tone at local analog reference level to each input and simply adjust the input gain trim until both green LEDs are lit To align the converter to other digital reference levels will require the use of digital signal level meter such as the Dolby DM100 alternatively the input level meter of a digital tape machine or other similar device may be used In this case connect the digital output of the appropriate converter to the digital level meter a 1kHz tone at local analog reference level to the input and adjust the input gain trim until the reference level is achieved as read on the meter D
6. amps and the fuse for 100 and 120 VAC operation is 0 63 amps Fuse Replacement 1 Follow steps 1 and 2 on the previous page to access the fuse holders 2 Lift out the right fuse holder Figure 1 2 Fuse Holder and Fuse 3 Remove old fuse from holder and replace with a new fuse 4 Insert fuse holder into the line input module with arrow pointing to the right as indicated on the inside of the line input module cover 5 Snap the line input module cover closed 6 Replace AC power cord viii Model 587 Multichannel Audio Converter Chapter 1 Introduction The Model 587 Multichannel Audio Converter combines eight channels of 24 bit analog to digital conversion and eight channels of 24 bit digital to analog conversion in a compact 2 U rack mount enclosure An elegant linear power supply uses careful filtering coupled with multiple stages of regulation to provide clean isolated power to each section of the unit An internal low speed low noise fan is provided to allow the Model 587 to be installed in virtually any environment Both of these features help to ensure consistent high performance and long product life The analog to digital section of the Model 587 uses custom high performance 24 bit converter modules that can operate at any sample rate between 30 and 50 kHz via the unit s AES black external reference input When no sync signal is present the unit mutes this input to prevent false clocking and uses its internal low
7. ck without affecting the reliability or acoustical noise 2 2 Clock Reference An internal crystal oscillator generates 12 288 MHz 300 ppm for low jitter asynchronous 48 kHz analog to digital conversion In addition the converter clock may be synchronized to an external AES EBU reference see Section 3 1 2 Irrespective of the clock source all the analog to digital converters use the same clock signal and are thus time aligned 2 3 Front Panel Multi Channel Converter Model 587 Digital to Analog Figure 2 1 Model 587 Front Panel 2 3 1 Over Temp In the event the internal temperature reaches 60 C or higher the front panel Over Temp LED will light red If this occurs the unit should be turned off Possible causes for an over temperature indication may be a malfunction of the cooling system fan failure or blocked vents 2 1 2 3 2 2 3 3 2 3 4 2 3 5 Model 587 Multichannel Audio Converter AES Ref When an external AES clock reference is provided see Section 3 1 2 the analog to digital converter will automatically switch to this external source and the green AES Ref LED will light Safety Limiter A Safety Limiter is available on the analog inputs after the gain trim to prevent hard clipping of signals with levels up to 4 dBFS The limiter reduces the gain for signals between 2 dBFS and 4 dBFS so that the resulting signal is always less than 0 dBFS
8. h the letter E or by the ground symbol or coloured green green and yellow e The core coloured blue must be connected to the terminal that is marked with the letter N or coloured black e The coloured brown must be connected to the terminal that is marked with the letter L or coloured red Model 587 Multichannel Audio Converter EU This equipment complies with the EMC requirements of EN55103 1 and EN55103 2 when operated in an E2 environment in accordance with this manual IMPORTANT SAFETY NOTICE This unit complies with the safety standard EN60065 The unit shall not be exposed to dripping or splashing and no objects filled with liquids such as coffee cups shall be placed on the equipment To ensure safe operation and to guard against potential shock hazard or risk of fire the following must be observed o Ensure that your mains supply is in the correct range for the input power requirement of the unit Ensure fuses fitted are the correct rating and type as marked on the unit o The unit must be earthed by connecting to a correctly wired and earthed power outlet o The power cord supplied with this unit must be wired as follows Live Brown Neutral Blue Earth Green Yellow IMPORTANT NOTE DE SECURITE Ce materiel est conforme la norme EN60065 Ne pas exposer cet appareil aux claboussures ou aux gouttes de liquide Ne pas poser d objets remplis de liquide tels que des tasses de caf sur l appare
9. igital to Analog Indicator and Adjustment Each of the eight channels has its own gain trim located on the front panel and an LED to show that the input digital audio receiver is locked Gain trims provide a range of 16 dB allowing the operating level to be adjusted from 10 dBu to 6 dBu To align the converter requires a digital signal generator and analog level meter Apply 1kHz tone at local digital reference level to the appropriate digital input connect the analog level meter to the appropriate output and adjust the output level trim until the reference level is achieved as read on the meter 2 2 Model 587 Multichannel Audio Converter Chapter 3 Connectors 3 1 Rear Panel All input and output connectors are located on the rear panel of the Model 587 Multichannel Audio Converter Dolby and the double D symbol are trademarks of Dolby Laboratories AUTION No user servicable parts R efer all service to qualified personnel inside 7 Dolby Laboratories Inc San Francisco U S A gt Wootton Bassett U K i gt gt gt 2 di gt C C lt 1 2 3 4 1 1 2 34 5 6 7 1 2 3 4 OOO O OOOO 3 SYNC 5 6 7 8 1 2 3 4 5 6 7 8 5 6 7 8 Si T ANALOG INPUT Jam AES EBU ANALOG OUTPUT Figure 3 1 Model 587 Rear Panel 3 1 1 Analog Input Eight female XLR connectors on the rear panel provide balanced analog inputs to the Analog to Digital converters
10. il Pour vous assurer dun fonctionnement sans danger et de pr venir tout choc lectrique ou tout risque d incendie veillez observer les recommandations suivantes E o Le selecteur de tension doit tre plac sur la valeur correspondante a votre alimentation r seau Les fusibles doivent correspondre la valeur indiqu e sur le materiel o Le materiel doit tre correctement reli la terre o Le cordon secteur livr avec le materiel doit tre cabl de la mani re suivante Phase Brun Neutre Bleu Terre Vert Jaune WICHTIGER SICHERHEITSHINWEIS Dieses Ger t entspricht der Sicherheitsnorm EN60065 Das Ger t darf nicht mit Fl ssigkeiten Spritzwasser usw in Ber hrung kommen stellen Sie keine Gef e z B Kaffeetassen auf das Ger t F r das sichere Funktionieren des Ger tes und zur Unfallverh tung elektrischer Schlag Feuer sind die folgenden Regeln unbedingt einzuhalten o Der Spannungswahler mu auf Ihre Netzspannung eingestellt sein o Die Sicherungen m ssen in Typ und Stromwert mit den Angaben auf dem Ger t bereinstimmen o Die Erdung des Ger tes mu ber eine geerdete Steckdose gew hrleistet sein o Das mitgelieferte Netzkabel mu wie folgt verdrahtet werden Phase braun Nulleiter blau Erde griin gelb NORME DI SICUREZZA IMPORTANTE Questa apparecchiatura stata costruita in accordo alle norme di sicurezza EN60065 Il prodotto non deve essere sottoposto a schizzi spruzzi e gocciolamenti e
11. kabel die met de unit wordt geleverd moet als volgt worden aangesloten Fase Bruin Nul Blauw Aarde Groen Geel vi Model 587 Multichannel Audio Converter Voltage Information The voltage selector accessible from the rear allows input voltages in four voltage ranges WARNING Applying voltages higher than selected will damage the unit Input Voltages Voltage Selector Range Frequency Fuse 100 VAC 85 to 110 VAC 60 Hz 630 mAL 120 VAC 102 to 132 VAC 60 Hz 630 mAL 220 187 to 242 VAC 50 Hz 315mA L 240 VAC 204 to 264 VAC 50 Hz T315mAL Note For 230 VAC mains in EU countries use the 240 V mains selector setting Selecting Voltage 1 Remove AC power cord 2 Use a small flat blade screwdriver to open the line input module cover Figure 1 1 Mains Input Module 3 Lift out the voltage selector wheel 4 Rotate the wheel until the desired voltage is facing towards you and replace in the line input module 5 Verify that the correct fuse is installed Replace if necessary 6 Snap the line input module cover closed and verify that the correct voltage is visible through the cover window 7 Replace AC power cord vii Model 587 Multichannel Audio Converter Fuse Information There are two fuses inside the line input module The fuse on the left is a spare Only the fuse on the right is functional The fuse for 220 230 and 240 VAC operation is 0 315
12. m Differential Input Impedance Dynamic Range THD at 1 kHz Gain Adjustment Range DC Offset Frequency Response at 48 kHz CMRR Digital Output Impedance Digital Output Voltage Chapter 4 System Specifications 8 9 x 48 3 x 37 5 cm 7kg 12 kg IEC standard receptacle with voltage selector and fuse 60 W at nominal line voltage 4 2 A 0 C to 50 C 40 C to 85 C Up to 98 relative humidity noncondensing Analog to Digital Converter Specifications 8 24 bits 48 kHz internal 30 to 50 kHz external 4 dBu 20 dB gt 20 105 dB typical lt 0 006 16 dB lt 48 dBFS 17 Hz to 22 1 kHz 0 05 0 2 dB lt 45 dB 50 Hz to 10 kHz 110Q transformer coupled 4 Vo with 1100 load 4 1 Model 587 Multichannel Audio Converter 4 3 Number of Channels Nominal Resolution Sampling Rate Nominal Output Level Nominal Headroom Output Impedance Dynamic Range THD at 1 kHz Differential DC Offset Common Mode DC Offset Frequency Response Gain Adjustment Range 4 2 Digital to Analog Converter Specifications 8 24 bits 30 08 to 55 kHz 4 dBu 20 dB less than 110Q 108 dB typical less than 0 004 49 dB 3 mV 20 Hz to 20 kHz 0 05 0 2 dB 16 dB
13. ms implied by statute are excluded to the fullest extent allowed by law LIMITATION OF LIABILITY It is understood and agreed that Dolby Laboratories liability whether in contract in tort under any warranty in negligence or otherwise shall not exceed the cost of repair or replacement of the defective components and under no circumstances shall Dolby Laboratories be liable for incidental special direct indirect or consequential damages including but not limited to damage to software or recorded audio or visual material or loss of use revenue or profit even if Dolby Laboratories or its agents have been advised orally or in writing of the possibility of such damages Dolby Dolby Pro Logic Surround EX AC 3 and the double D symbol are trademarks of Dolby Laboratories 2001 Dolby Laboratories Inc all rights reserved All other trademarks remain the property of their respective owners Part Number 91772 Issue 1 W01 76 Model 587 Multichannel Audio Converter Table of Contents UR lele iv Regulatory Notices rc lecce Mains Voltage and Fusing Information vii Chapter 1 Introduction 1 1 Chapter 2 auteur 2 1 2 1 OOO casi lai leo 2 1 Dade Clock RGIS ellerre 2 1 2 3 Front aan eas Mae a As 2 1 Zzp Over Temprana ella pedi 2 1 KEE 2 2 2 33 Safety reale ale ieee aad 2 2 2 3 4 Analog to Digital Level Indicator and Adjustment
14. nessun tipo di oggetto riempito con liquidi come ad esempio tazze di caff deve essere appoggiato sul dispositivo Per una perfetta sicurezza ed al fine di evitare eventuali rischi di scossa lettrica o d incendio vanno osservate le seguenti misure di sicurezza o Assicurarsi che il selettore di cambio tensione sia posizionato sul valore corretto o Assicurarsi che la portata ed il tipo di fusibili siano quelli prescritti dalla casa costruttrice o L apparecchiatura deve avere un collegamento di messa a terra ben eseguito anche la connessione rete deve avere un collegamento a terra o di alimentazione a corredo dell apparecchiatura deve essere collegato come segue Filo tensione Marrone Neutro Blu Massa Verde Giallo AVISO IMPORTANTE DE SEGURIDAD Esta unidad cumple con la norma de seguridad EN60065 La unidad no debe ser expuesta a goteos o salpicaduras y no deben colocarse sobre el equipo recipientes con liquidos como tazas de cafe Para asegurarse un funcionamiento seguro prevenir cualquier posible peligro de descarga riesgo de incendio se han de observar las siguientes precauciones o Aseg rese que el selector de tensi n est ajustado a la tension correcta para su alimentaci n E o Aseg rese que los fusibles colocados son del tipo y valor correctos tal como se marca en la unidad o La unidad debe ser puesta a tierra conectandola a un conector de red correctamente cableado y puesto a tierra o El cable de red sumini
15. quency energy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his or her own expense Canada UL U K This Class A digital apparatus complies with Canadian ICES 003 Troubleshooting must be performed by trained technicians Do not attempt to service this equipment unless you are qualified to do so WARNING Check that the correct fuses have been installed To reduce the risk of fire replace the fuses only with the same type and rating See page vii Exposed portions of the power supply are electrically hot In order to reduce the risk of electrical shock the power cord MUST be disconnected when the cover of this equipment is removed The ground terminal of the power plug is connected directly to the chassis of the unit For continued protection against electric shock a three pin correctly wired and grounded earthed power outlet must be used Do not use a ground lifting adapter and never cut the ground pin on the three prong plug As the colours of the cores in the mains lead may not correspond to the coloured markings identifying the terminals in your plug proceed as follows e The core coloured green and yellow must be connected to the terminal in the plug that is marked wit
16. strado con esta unidad debe ser cableado como sigue Vivo Marr n Neutro Azul Tierra Verde Amarillo VIKTIGA SAKERHETSATGARDER Denna enhet uppfyller sikerhetsstandard EN60065 Enheten far ej uts ttas for yttre verkan samt f rem l inneh llande v tska s som kaffemuggar f r ej placeras p utrustningen F r att garantera s kerheten och gardera mot eventuell elchock eller brandrisk m ste f ljande observeras o Kontrollera att sp nningsv ljaren r inst lld p korrekt n tsp nning Cs o sikringarna r av r tt typ och f r r tt str mstyrka s som anvisningarna pa enheten f reskriver o Enheten m ste vara jordad genom anslutning till ett korrekt kopplat och jordat el uttag El sladden som medf ljer denna enhet m ste kopplas enligt foljande Fas Brun Neutral Bla Jord Gr n Gul BELANGRIJK VEILIGHEIDS VOORSCHRIFT Deze unit voldoet aan de EN60065 veiligheids standaards Dit apparaat mag niet worden blootgesteld aan vocht Vanwege het risico dat er druppels in het apparaat vallen dient u er geen vloeistoffen in bekers op te plaatsen Voor een veilig gebruik en om het gevaar van electrische schokken en het risico van brand te vermijden dienen de volgende regels in acht te worden genomen Controleer of de spanningscaroussel op het juiste Voltage staat o Gebruik alleen zekeringen van de aangegeven typen waarden AL o Aansluiting van de unit alleen aan een geaarde wandcontactdoos De net
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