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mc²36 MKII
Installation & Service Guide
Version: 1.0/1
Edition: 28 April 2021
To obtain the latest documentation and software downloads, please visit:
www.lawo.com/lawo-downloads

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Table of Contents
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Summary of Contents for LAWO mc236 MKII

  • Page 1 MKII Installation & Service Guide Version: 1.0/1 Edition: 28 April 2021 To obtain the latest documentation and software downloads, please visit: www.lawo.com/lawo-downloads...
  • Page 2 All rights reserved. Permission to reprint or electronically reproduce any document or graphic in whole or in part for any reason is expressly prohibited, unless prior written consent is obtained from the Lawo All trademarks and registered trademarks belong to their respective owners. It cannot be guaranteed that all product names, products, trademarks, requisitions, regulations, guidelines, specifications and norms are free from trade mark rights of third parties.
  • Page 3: Table Of Contents

    Table of Contents Table of Contents 1. Introduction ............................5 2. Important Safety Instructions ........................ 6 3. The Hardware ............................. 7 Overview ............................ 7 Frame Variants .......................... 7 Mounting Options ........................8 Centre Section / 16F Controls ..................... 9 Channel Controls (apply to 32F) ....................10 Overbridge Options ........................
  • Page 4 Table of Contents Replacing a Panel ........................35 Using the Hood Fastener ......................37 Replacing a Fader ........................38 Replacing a TFT Display ......................40 Bayserver & Gateserver Switch Settings ..................41 Replacing a Console Power Supply .................... 43 Replacing the Local IO ......................45 5.10 Replacing the Network Switch ....................
  • Page 5: Introduction

    (after Login). We also recommend that you carefully observe the release notes delivered with your system. Lawo User Registration For access to the Downloads area and to receive regular product updates, please register at: www.lawo.com/registration. mc²36 MKII Installation & Service Guide Version: 1.0/1...
  • Page 6: Important Safety Instructions

    2. Important Safety Instructions Important Safety Instructions Please observe all of the instructions provided in the "General Safety Information for Lawo Equipment" booklet delivered with your devices. Double-click here to open the same information (as a pdf). Please also observe the "Safety Information" included in the product data sheets. These are available from the Downloads area at www.lawo.com...
  • Page 7: The Hardware

    Weight: 55 kg / 121.3 lbs Weight: 56 kg / 123.5 lbs Mechanical drawings and data sheets for all frame variants are available from the Downloads area at www.lawo.com (after Login). To help locate the correct data sheet, please refer to the part numbers appendix.
  • Page 8: Mounting Options

    3. The Hardware Mounting Options Studio Version OB-Van Version Each frame can be ordered for either Studio or OB-Van (Mobile) mounting. The Studio version comes with wider side panels and is ready for table-top mounting. The OB-Van version is fitted with narrow aluminum side plates and is designed for crossbar mounting (i.e. no feet are supplied).
  • Page 9: Centre Section / 16F Controls

    3. The Hardware Centre Section / 16F Controls All consoles come with a centre section which provides 16 faders. In the 16-fader variant, these are the only controls. 3.4.1 Centre Section Panels 1 x "Channel Display" (977/13) A high resolution, touch-screen TFT display (identical to a channel bay).
  • Page 10: Channel Controls (Apply To 32F)

    3. The Hardware Channel Controls (apply to 32F) In the 32-fader variant, a single channel bay is added to provide another 16 faders. 3.5.1 Channel Bay Panels 1 x Channel Display (977/13) A high resolution, touch-screen TFT display. 1 x Fader Panel (976/10) with 16 x 100mm motorised faders, 33 rotary encoders, 8 mini TFT displays, 177 push-buttons.
  • Page 11: Overbridge Options

    3. The Hardware Overbridge Options The space to the right of the Central GUI is fitted with a full height blanking panel (976/15). This provides a general utility space to mount other devices (e.g. an external tablet). mc²36 MKII Installation & Service Guide Version: 1.0/1 11/56...
  • Page 12: Console Rear Panel

    3. The Hardware Console Rear Panel Removable Script Tray (optional) One or more removable script trays may be ordered. The script tray glides across the top of the frame, and can be lifted on or off for removal. Ventilation Holes & Sticker The sticker shows the direction of airflow (required for convection cooling) and the minimum distance requirements (for installing the frame).
  • Page 13: Control Surface Wiring

    3. The Hardware Control Surface Wiring Internally, the control surface uses point-to-point connections, within each bay, to provide fault tolerance and convenient servicing. Any bay or panel can be isolated from the rest of the console, allowing panels and displays to be replaced during operation. Firstly, within each bay, individual panels and displays connect to an Ethernet server mounted inside the frame: either a Bayserver (in channel bays) or Gateserver (in the centre section).
  • Page 14 3. The Hardware Schematics Externally, the following connection is wired from the internal network switch: · ETH A (front buffer) - to connect a service computer. Plus the following connections are wired from the Gateserver: · MGMT A & B (rear panel) - to connect the Management Network. The MGMT A &...
  • Page 15: Installation

    The console is delivered as a fully assembled unit. All included accessories are shipped in the "Accessories" box. Any optional components are delivered in their own packing boxes. Please check the contents of the shipping boxes, and in the event of any transport damage, contact your local Lawo representative or email support@lawo.com. Packing List Included The following items are included with the control surface (in the "Accessories"...
  • Page 16: Mounting The Frame

    The dimensions and weight vary depending on the frame variant and control panel options. Mechanical drawings and data sheets for all frame variants are available from the Downloads area at www.lawo.com (after Login). To help locate the correct data sheet, please refer to the part numbers appendix.
  • Page 17: Minimum Distances For Control Surface Mounting

    4. Installation Minimum Distances for Control Surface Mounting Studio Frame OB Van Frame Installing the Console Keyboard The USB keyboard (included in the "Accessories" box) is designed to be floating and positioned on top of the control surface when it is needed. Usually it is connected to one of the USB ports on the front buffer (below the centre section arm rest).
  • Page 18: Fitting The Script Tray

    4. Installation Fitting the Script Tray The script tray (959/41) is designed to be easily lifted on and off the console so that it may be removed when not required. Please note that there is no locking mechanism to anchor the script tray to the console, and so it must be removed for transportation.
  • Page 19: Wiring From The Control Surface

    4. Installation Wiring from the Control Surface The console rear panel provides the following connections: · MAINS 1 & MAINS 2 - AC mains power. Only one connection is essential for operation; the second provides redundancy. · CASE - control surface grounding. ·...
  • Page 20: Power

    4. Installation 4.10 Power The control surface is powered by dual-redundant power supplies which are fitted internally within the frame. To operate the console, only one of the supplies is required. When both supplies are operational, the load is shared. 4.10.1 PSU Block Location All of the frame variants are powered from a single PSU block (fitted inside the central bay).
  • Page 21: Grounding

    4. Installation 4.11 Grounding Although operator protection is guaranteed (the control surface is connected to the ground of the power supply system via the IEC power connectors), it is best to establish an additional ground for EMC reasons. Fasten the grounding cable to the rear of the frame using the CASE grounding screw (M5 x 12mm): The control surface must be on the same potential as all other system devices/modules.
  • Page 22: Control

    A single computer or device can connect directly. However, it is more common to install a network switch to create a dedicated Management Network. Lawo may deliver a suitable network switch with the system. This could be replaced by any other suitable switch fabric that provides comparable performance.
  • Page 23: Local Io

    · 8 x AES3 OUT - wired to 8 x XLR (male). · 1 x 64-channel MADI - available via SFP. To use this port, you must fit a Lawo-certified module. · 8 x GPIO - wired to 1 x 37-pin, D-type (female).
  • Page 24 4. Installation 4.13.3 SFP Modules The following SFP modules are available for the MADI port. All SFPs must be Lawo-certified (as listed below). SFPs are not included and must be ordered separately. Ø MADI Interface SFP Modules SFP Module Description...
  • Page 25: Media Network Io

    Please DO NOT attempt to connect the streaming ports using an unqualifying IP network, as correct operation cannot be guaranteed. You can find more details about the data network requirements and suitable components in the Lawo IP Networking Guide. mc²36 MKII Installation & Service Guide Version: 1.0/1...
  • Page 26 4. Installation 4.14.2 IO Connection Kits To use each I/O port pair, you must install one of the optional I/O connection kits. Several different kits are available, providing a choice of connector types and cable: RJ45 / copper, single-mode fiber (SMF) or multi- mode fiber (MMF).
  • Page 27 4. Installation The examples below show the three different optical fiber connectors fitted to ports 3/4. IO 3/4 = Fiberfox IO 3/4 = HI-FIBER4 IO 3/4 = opticalCON 4.14.3 Installing an IO Connection Kit In the example which follows, an RJ45 kit is installed on IO ports 1/2. Other connection kits are installed in a similar manner.
  • Page 28 4. Installation Installation Procedure To install an IO connection kit, it is necessary to remove the Overbridge blanking panel and lift up the Central Panel, in order to access the relevant parts of the console. DO NOT attempt to open the frame without first disconnecting the mains supply. Using a T20 Torx driver, unfasten the two screws at the top of the Overbridge blanking panel.
  • Page 29 4. Installation On the rear connector panel, remove the blanking plates (or existing connectors) for the IO ports you wish to install. There are two screws per port as shown: Rear Connector Panel Keep the screws somewhere safe as you will need them again later. The blanking plates can be removed completely and stowed in a safe place (for future use).
  • Page 30 4. Installation Secure the connector to the rear panel by replacing the two screws (removed in step 5). Repeat steps 6 to 8 to thread the remaining cables and secure the connectors. You are now ready to connect the SFP modules to the internal processing core (inside the frame). From the front of the console, guide each of the cables towards the internal processing core and insert the SFP module into the correct slot.
  • Page 31: External Synchronization

    4. Installation To fit protective covers with a fastening cable, attach the cable to the top left screw as shown below. The blanking plate has its own screw which must also be used. The stickers showing the cable specification should be positioned centrally above each port. Rear Connector Panel (with covers + stickers) 4.15 External Synchronization...
  • Page 32: Front Buffer Connections

    4. Installation 4.16 Front Buffer Connections The following connections can be found on the front buffer (beneath the trackpad). 1 x ETH A Network Port Connects to the control surface internal network (ETHERNET A). 4 x USB 2.0 Ports · 3 x USB - connect to the mc control system.
  • Page 33: Service Procedures

    (after Login). If you need further assistance, the Lawo Support Department can be contacted by email at support@lawo.com, or by telephone during normal working hours - please visit the Support area of the Lawo website for the most up-to-date contact details.
  • Page 34: Restarting A Bayserver Or Gateserver

    5. Service Procedures Restarting a Bayserver or Gateserver Each bay has its own Ethernet server which can be restarted from the front panel. The procedure is the same for Bayservers (in channel bays) and the Gateserver (in the centre section). Note that if you restart the Gateserver, then this will affect the whole console.
  • Page 35: Replacing A Panel

    5. Service Procedures Replacing a Panel Each control surface panel can be replaced without affecting the rest of the system. Channel bays are fitted with one 16-fader panel per bay. The centre section is fitted with one central panel connecting to two circuit boards.
  • Page 36 5. Service Procedures Use the Hood Fastener to keep the panel in place while you work: Fader Panel (976/10) Remove the connectors, taking note of where each one is fitted. The Fader Panel (976/10) has 1 x Display Port, 1 x USB and 1 x power. The Central Panel (976/20) has 2 x Display Port, 2 x USB and 2 x power, plus two further connectors for the panel's Talkback XLR and USB port.
  • Page 37: Using The Hood Fastener

    5. Service Procedures Using the Hood Fastener The Hood Fastener can be used to keep a Fader or Central Panel in place while you work. DO NOT attempt to open the frame without first disconnecting the mains supply. Follow the previous section's steps to lift the panel - you will see the Hood Fastener stowed safely within the frame.
  • Page 38: Replacing A Fader

    5. Service Procedures Replacing a Fader An individual fader unit can be replaced by removing the panel from the console. In our example, it is the left-hand fader with the panel face-up which is being replaced: Panel Face-up Panel Face-down DO NOT attempt to open the frame without first disconnecting the mains supply.
  • Page 39 5. Service Procedures Turn the panel face-up and remove the fader cap. Remove the two screws holding the fader unit in place (using a T10 Torx driver): Turn the panel face-down and remove the fader unit. Note that the unit will be loose, and so it helps to support it from behind as you turn the panel.
  • Page 40: Replacing A Tft Display

    5. Service Procedures Replacing a TFT Display Each of the touch-screen displays can be replaced without affecting the rest of the system. If you need to replace the centre section display, then connect an mxGUI computer so that it can run online and provide continued access to central GUI operations.
  • Page 41: Bayserver & Gateserver Switch Settings

    5. Service Procedures Bayserver & Gateserver Switch Settings Within each channel and central bay, individual panels and displays connect to an Ethernet Bayserver or Gateserver (mounted inside the frame). In both cases, the servers have a number of switches which are used as follows.
  • Page 42 5. Service Procedures 5.7.1 Adjusting the Bayserver Settings The instructions below apply to a channel Bayserver. Note that the settings for a Gatesever can be adjusted in a similar manner. In both cases, the server is mounted inside the console frame. Therefore, you will need to lift a panel to access its switches.
  • Page 43: Replacing A Console Power Supply

    5. Service Procedures Replacing a Console Power Supply The control surface is powered by dual-redundant power supplies which are fitted inside the frame behind the Central GUI TFT display and Overbridge: The two supplies come as a complete "PSU block" which can be replaced in its entirety - i.e. it is not possible to replace an individual supply.
  • Page 44 5. Service Procedures Using a 8mm hex socket, remove the five nuts holding the PSU block in place: Take care NOT to drop any nuts or washers into the desk. Remove the PSU block from the frame. Now fit the replacement and secure using the five hex nuts shown in step 7. Replace the power, signal and grounding cables (see steps 4 to 6).
  • Page 45: Replacing The Local Io

    5. Service Procedures Replacing the Local IO The local IO exists as a self-contained unit which is mounted inside the control surface behind the Central GUI and Overbridge. Local IO Unit (profile) To replace the local IO unit, you will need to disconnect all of its cabling from the rear panel, and remove the Central Panel, Central GUI display and Overbridge blanking panel.
  • Page 46 5. Service Procedures Disconnect all of the internal connectors from the front of the unit, taking note of where each one should be fitted. There are five RJ45 connectors on the left, and one RJ45 connector plus two power connectors on the right. The function of each connector is explained on the stickers attached to the unit.
  • Page 47: Replacing The Network Switch

    5. Service Procedures 5.10 Replacing the Network Switch The internal network switch, which distributes the ETHERNET A connections, is mounted inside the control surface below the Overbridge. Internally, it is located to the right of the Local IO unit: To replace the switch, you will need to remove the Central Panel, Central GUI display and Overbridge blanking panel.
  • Page 48 5. Service Procedures Carefully remove the unit by sliding it forwards and out of the console frame. Take care that the frame does not scrape the unit, and that the cables do not get caught. Slide the replacement unit into the console frame, taking care not to scratch the unit or get any cables caught underneath.
  • Page 49: Replacing The A

    5. Service Procedures 5.11 Replacing the A__UHD Core The A__UHD Core is mounted inside the control surface under the Central Panel. It handles all audio interfacing, signal processing, routing and control, and can be replaced as a complete unit. Before replacing the core, you should make a backup of all user data (productions, snapshots, presets and configuration data), so that the current configuration can be reinstated.
  • Page 50 5. Service Procedures Once all the cables have been disconnected and carefully stowed, loosen the unit from the console frame. There are five hex nuts holding the unit in place. A__UHD Core (side view) Carefully lift the core out of the console frame. Take care that the frame does not scrape the unit, and that the cables do not get caught.
  • Page 51: Appendices

    6.1.1 Data Sheets Further technical information can be found in the product data sheets available from the Downloads area at www.lawo.com (after Login). To help locate the correct data sheet, please use the part numbers listed above. mc²36 MKII Installation & Service Guide Version: 1.0/1...
  • Page 52: Mechanical Drawings

    6. Appendices Mechanical Drawings The following diagrams show the mechanics of each control surface variant. In each case, double-click on a link to open the diagram (as a pdf). · 16-Fader OB-Van · 16-Fader Studio · 32-Fader OB-Van · 32-Fader Studio Wiring Diagrams The following diagrams show the control surface internal wiring in more detail.
  • Page 53: Connector Pin-Outs & Io Specifications

    6. Appendices Connector Pin-Outs & IO Specifications The following connectors appear either on the rear panel or front buffer. 6.4.1 Mic/Line In 3-pin XLR connector, female. All MIC/LINE IN connections are electronically balanced and floating (suitable for balanced or unbalanced use). They feature a discrete class-A preamplifier with superb performance at both low (mic) and high (line) levels.
  • Page 54 The console's MADI interface conforms to AES 10, and supports up to 64 bi-directional channels at 48kHz, or 32-channels at 96kHz. To use the interface you must fit a Lawo-certified SFP module. The SFP determines the cable type and connector. The maximum distance depends on the cable type.
  • Page 55 6. Appendices 6.4.7 GPIO 37-pin D-type connector (DB37), female. 6.4.8 Headphones 6.35mm stereo jack connector. mc²36 MKII Installation & Service Guide Version: 1.0/1 55/56...
  • Page 56: Smpte St2022-7 (Sps)

    Within Lawo systems, the two paths are usually known as the primary (red) and secondary (blue) networks. For partnering connections between the Core and a remote IO device, the streams are created automatically by the AdminHD configuration.

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