Studer D21 MultiFeed Operating And Service Instructions
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Studer D21 MultiFeed Operating And Service Instructions

Studer D21 MultiFeed Operating And Service Instructions

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D21 MultiFeed
D21 MasterSync
Operating and Service Instructions

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Summary of Contents for Studer D21 MultiFeed

  • Page 1 D21 MultiFeed D21 MasterSync Operating and Service Instructions...
  • Page 2 Copyright by Studer Professional Audio GmbH Studer Professional Audio GmbH Printed in Switzerland Technical Documentation Order no. BD10.275130-2 (Ed. 0909) Althardstrasse 30 CH-8105 Regensdorf -- - Switzerland http://www.studer.ch Subject to change Studer is a registered trade mark of Studer Professional Audio GmbH, Regensdorf...
  • Page 3 Safety Information Safety Information To reduce the risk of electric shock, do not remove covers (or back). No user-serviceable parts inside. Refer servicing to qualified service person- nel. This symbol is intended to alert the user to presence of un-insulated dan- gerous voltage within the equipment that may be of sufficient magnitude to constitute a risk of electric shock to a person.
  • Page 4 Installation General Installation Hints Please consider besides these general hints also any product-specific hints in the "Installation" chapter of this manual. Unpacking Check the equipment for any transport damage. A unit that is mechanically damaged or that has been penetrated by liquids or foreign objects must not be connected to the AC power outlet or must be immediately disconnected by unplugging the power cable.
  • Page 5 Installation Class I Equipment (Mains Operation) Should the equipment be delivered without a matching mains cable, the latter has to be prepared by a trained person using the attached female plug (IEC320/C13 or IEC320/C19) with respect to the applicable regulations in your country.
  • Page 6 Installation/Maintenance/ESD tor) and that also takes into consideration the EMC requirements. When deciding between radial, surface, or combined grounding, the advan- tages and disadvantages should be carefully evaluated in each case. • Use shielded cables where shielding is specified. The connection of the shield to the corresponding connector terminal or housing should have a large surface and be corrosion-proof.
  • Page 7 ESD/Repair material in which the replacement assembly was shipped. If this should not be the case, any claim for a possible refund will be null and void. • Unpacked ESD sensitive components should only be handled in ESD protected areas (EPA, e.g. area for field service, repair or service bench) and only be touched by persons who wear a wristlet that is connected to the ground potential of the repair or service bench by a series resistor.
  • Page 8 Repair/Disposal SMD Components Studer does not keep any commercially available SMD components in stock. For repair the corresponding devices should be purchased locally. The specifications of special components can be found in the service man- ual. SMD components should only be replaced by skilled specialists using ap- propriate tools.
  • Page 9 Any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the equipment. Also refer to rele- vant information in this manual. CE Declaration of Conformity Studer Professional Audio GmbH, CH-8105 Regensdorf, declare under our sole responsibility that the products Studer D21 MultiFeed (starting with serial no.
  • Page 10 Ambient Temperature Units and systems by Studer are generally designed for an ambient tem- perature range (i.e. temperature of the incoming air) of +5...+40 °C. When rack mounting the units, the intended air flow and herewith adequate cool- ing must be provided.
  • Page 11 Appendix Before putting into operation, the system must be checked for internal for- mation of condensation or ice. Only with a minute formation of ice, direct evaporation (sublimation) may be expected; otherwise the system must be heated and dried while switched off. A system without visible internal formation of ice or condensation should be heated up with its own heat dissipation, as homogeneously (and subse- quently as slow) as possible;...
  • Page 12 Appendix Appendix 2: Mains Connector Strain Relief For anchoring connectors without a mechanical lock (e.g. IEC mains con- nectors), we recommend the following arrangement: Procedure: The cable clamp shipped with your unit is auto-adhesive. For mounting please follow the rules below: •...
  • Page 13 The following Terms and Conditions grant the right to use all programs of Studer that are part of the System and/or its options at the time of its deliv- ery to the Customer, as well as the installation software on the original data disk and the accompanying documentation (“License Material”).
  • Page 14 Reverse Engineering Reverse engineering is only permitted with the express consent of Studer. The consent of Studer can be obtained but is not limited to the case in which the interface-software can not be provided by Studer. In any case Studer has to be informed immediately upon complete or partial reverse engineering.

  • Page 15: Table Of Contents

    D21 MultiFeed / MasterSync CONTENTS Basic Information ........1-1 Scope of Delivery .

  • Page 16: Basic Information

    D21 MultiFeed / MasterSync BASIC INFORMATION The Studer MultiFeed and MasterSync units are housed in 19", 1U enclo- sures. The distributor section is common for both MultiFeed and MasterSync. It distributes one word clock signal to six outputs, and up to four different AES/EBU signals to 16 outputs.

  • Page 17: Scope Of Delivery

    D21 MultiFeed / MasterSync Redundancy Input Option When using this option (see chapter 1.2 below), all main inputs are equipped with an additional redundancy input. Automatical switchover to the corre- sponding redundancy input takes place if one or more of the main inputs do not receive a valid AES/EBU signal.

  • Page 18: Block Diagrams

    D21 MultiFeed / MasterSync Block Diagrams 1.3.1 Distributor Redundancy Port AES IN 1 AES IN 2 1...4 AES IN 3 AES IN 4 5...8 AES/EBU from Gen. x 1 (MasterSync only) AES/EBU from Gen. x 2 (MasterSync only) AES/EBU from Gen. x 4 9...12...

  • Page 19: Sync Generator (Master Sync Only)

    D21 MultiFeed / MasterSync 1.3.2 Sync Generator (MasterSync only) INT REF 19.2 MHz 1 ppm SYNC :1000 VIDEO :1001 PULL LOCK :1001 DOWN :320 INT. :1200 VIDEO :320 (48 k) :294 (44.1 k) FREQ. WCLK FRAME MEAS. RATE :128 WCLK...

  • Page 20: Safety And Connections

    Mains Cable The supplied mains socket has to be fitted with a mating power cable incl. plug by an electrician, if your local Studer agency or your dealer should not have added a fitting power cable. Please consult the “Safety” section at the very beginning of this manual.

  • Page 21: Connector Field

    D21 MultiFeed / MasterSync 1.4.3 Connector Field [12] [10] [11] Mains~ 100 – 240 V AES OUT 1-4 AES OUT 5-8 AES IN 1-4 ALARM REDUNDANCY LINK AES IN AUX 1-4 AES OUT 9-12 AES OUT 13-16 CONFIGURATION WCLK OUT...

  • Page 22: Technical Specifications

    D21 MultiFeed / MasterSync Technical Specifications (preliminary, subject to change without notice) 1.5.1 General Inputs AES/EBU Impedance 110 Ω typ. Sensitivity min. 0.2 V Sampling rate 30...200 kHz according to AES3 1992 Word Clock Impedance: hi-Z or 75 Ω, selectable with internal jumper; TTL level...

  • Page 23: Operation

    D21 MultiFeed / MasterSync OPERATION Operating Elements POWER WARN REFERENCE SAMPLING RATE POWER WARN FAIL INTERN 48 K PULL AES / EBU INTERN 48 K EXTERN 44.1 K DOWN VIDEO WCLK 44.1 K [1] POWER Recessed pushbutton for switching the unit on or off; the associated LED is illuminated when the unit is switched on.

  • Page 24: Sampling Rates Overview

    D21 MultiFeed / MasterSync [6] 48 K/44.1 K (MasterSync Only) If the video input signal or the internal generator is selected as source, this switch selects the operating frequency of the MasterSync (48/44.1 kHz, or 47.852/44.054 kHz in PULL DOWN mode (see [8]).

  • Page 25: Connector Pin Assignments

    D21 MultiFeed / MasterSync Connector Pin Assignments 2.3.1 AES IN (XLR-3f) Signal Screen Input + Input – Chassis 2.3.2 AES OUT (XLR-3m) Signal Screen Input + Input – Chassis 2.3.3 AES IN 1-4 (15-pin D-type, f) Signal AES 1 + AES 1 –...

  • Page 26: Alarm

    D21 MultiFeed / MasterSync 2.3.5 ALARM (9-pin D-type, f) Signal +24 V WARN relay contact output. Active if an internal supply has a malfunction, provided that either two units are linked or a second redundancy power supply is installed. If active, depending on the internal jumper setting, the relay either connects pins 3 and 6 (J3 position NO), or it interrupts this connection (position NC;...

  • Page 27: Redundancy Link

    D21 MultiFeed / MasterSync 2.3.7 REDUNDANCY LINK (15-pin D-type, f) Signal n.c. n.c. n.c. n.c. RED OUT COM IN n.c. n.c. +24 V n.c. COM OUT RED IN n.c. Matching Cable Order no. 1.680.026.00, suited for two units placed on top of each other.

  • Page 28: Dip Switches And Jumpers

    D21 MultiFeed / MasterSync DIP SWITCHES AND JUMPERS DIP Switch Setting The DIP switches are located at the rear of the unit and are numbered 1...16 from left to right. Signal Selection for AES OUT 1…4 MasterSync Only: MultiFeed Only:...

  • Page 29: Internal Jumpers

    D21 MultiFeed / MasterSync Internal Jumpers Caution All internal adjustments as well as repair work on this product must be per- formed by a trained technician – no user-serviceable parts inside! Factory Setting In all drawings below, the default jumper settings are marked in black.

  • Page 30: Jumpers On Redundancy Input Option

    D21 MultiFeed / MasterSync This pin array is used for installing the redundancy input option (refer to chapters 1.2 and 1.3.3). If no redundancy input option is installed, the following pins must be con- nected with jumpers: J17-J18, J19-J20, J21-J22, and J23-J24 (default set- ting).

  • Page 31: Applications

    D21 MultiFeed / MasterSync APPLICATIONS Digital Mixing Console MultiFeed In most applications, the different output signals of a digital console have to be distributed to different targets. For example, the main output has to be distributed to the master control room, to a digital harddisk workstation, and to several other recording devices.

  • Page 32: Emergency Feeds

    D21 MultiFeed / MasterSync Emergency Feeds Each of the MultiFeed’s inputs can be equipped with an additional input when using the redundancy input option. It automatically switches over to the corresponding redundancy input if one or more of the main inputs do not receive a valid AES/EBU signal.

  • Page 33: Diagrams

    D21 MultiFeed / MasterSync DIAGRAMS D21 MultiFeed / MasterSync Assemblies Order No. Sync Generator PCB 1.680.060 Distributor PCB 1.680.065 Redundancy Input PCB (Option) 1.680.040 Diagrams Date printed: 28.10.05...
  • Page 34 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 1 of 6 Date printed: 20.03.07...
  • Page 35 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 2 of 6 Date printed: 20.03.07...
  • Page 36 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 3 of 6 Date printed: 20.03.07...
  • Page 37 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 4 of 6 NORM Date printed: 20.03.07...
  • Page 38 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 5 of 6 Date printed: 20.03.07...
  • Page 39 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) / Distributor 1.680.065.20 ( 0) Page: 6 of 6 Date printed: 20.03.07...
  • Page 40 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) Date printed: 20.03.07...
  • Page 41 D21 MultiFeed / MasterSync Distributor 1.680.065.20 ( 0) DISTRIBUTOR "ESE" 1.680.065.20 Date printed: 20.03.07...
  • Page 42 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) Page: 1 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description C 103 59.60.3337 1 pce 100n CER 50V, 10%, X7R, 0805 59.60.2249 1 pce...
  • Page 43 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) Page: 2 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description C 206 59.60.3337 1 pce 100n CER 50V, 10%, X7R, 0805 J 10 54.01.0020...
  • Page 44 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) Page: 3 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description R 42 57.60.1271 1 pce 270R MF, 1%, 0204, E24 R 145 57.60.1473...
  • Page 45 D21 MultiFeed / MasterSync Sync Generator 1.680.060.20 ( 1) Page: 4 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description R 248 not used 1 pce 100R MF, 1%, 0204, E24 R 249 57.60.1103...
  • Page 46 D21 MultiFeed / MasterSync Distributor 1.680.065.20 ( 0) Page: 1 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description C 103 not used 1 pce 100n CER 50V, 10%, X7R, 0805 59.60.2249 1 pce...
  • Page 47 D21 MultiFeed / MasterSync Distributor 1.680.065.20 ( 0) Page: 2 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description C 206 59.60.3337 1 pce 100n CER 50V, 10%, X7R, 0805 J 10 54.01.0020...
  • Page 48 D21 MultiFeed / MasterSync Distributor 1.680.065.20 ( 0) Page: 3 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description R 43 57.60.1271 1 pce 270R MF, 1%, 0204, E24 R 146 57.60.1102 1 pce...
  • Page 49 D21 MultiFeed / MasterSync Distributor 1.680.065.20 ( 0) Page: 4 of 4 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description R 249 57.60.1103 1 pce MF, 1%, 0204, E24 R 250 57.60.1103 1 pce...
  • Page 50 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Page: 1 of 3 Date printed: 07.06.05...
  • Page 51 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Page: 2 of 3 Date printed: 07.06.05...
  • Page 52 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Page: 3 of 3 Date printed: 07.06.05...
  • Page 53 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Date printed: 07.06.05...
  • Page 54 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Page: 1 of 2 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description see comments 59.60.3337 1 pce 100n CER 50V, 10%, X7R, 0805 IC 22 50.62.1244...
  • Page 55 D21 MultiFeed / MasterSync Redundancy Input (Option) 1.680.040.00 ( 1) Page: 2 of 2 Idx. Pos. Part No. Qty. Type/Val. Description Idx. Pos. Part No. Qty. Type/Val. Description R 81 57.60.1103 1 pce MF, 1%, 0204, E24 R 82 57.60.1220...

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