Integra MZA-4.7 Instruction Manual
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Integra MZA-4.7 Instruction Manual

Integra MZA-4.7 Instruction Manual

Multizone amplifier
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Multizone Amplifier
MZA-4.7
Instruction Manual

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Summary of Contents for Integra MZA-4.7

  • Page 1 Multizone Amplifier MZA-4.7 Instruction Manual...

  • Page 2: Important Safety Instructions

    WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING QUALIFIED PERSONNEL.

  • Page 3: Table Of Contents

    “Setup Lockout” enter and select “Yes.” The “Setup” and “More” menus on the amplifier are no longer accessible to the user. 7. To unlock the MZA-4.7, return to the setup menu as above. And enter the password: 1396 Table of Contents Important Safety Instructions...2...

  • Page 4: Precautions

    Precautions 1. Recording Copyright—Unless it’s for personal use only, recording copyrighted material is illegal with- out the permission of the copyright holder. 2. AC Fuse CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE T6.3A 250V FUSE. REFER REPLACEMENT TO QUALIFIED SER- VICE PERSONNEL.

  • Page 5: Features

    USB or RS232 connection is required to control the stack of amplifiers. A MZA-4.7 may receive IR directly from the front panel receiver or via the two “Controller Interface” connec- tions. There are zone specific IR commands and also a set of global IR commands.
  • Page 6 IMC program. 32 Zones There are 32 zones of possible control. On a MZA-4.7 each zone must be different, however in a multiple amplifier stack same zone amplifiers are pos- sible – they simply mimic every parameter.

  • Page 7: Part Names And Functions

    USB Mini B port The port is used to setup, control or monitor the MZA-4.7. An USB mini cable must be used when connecting to a PC or building management system. Chassis Feet Set high enough to provide unrestricted airflow through the chassis for convection cooling.

  • Page 8: Rear Panel

    ‘D’ connectors. EXPANSION BUS OUTPUT 34 way IDC header. Connects to the expansion bus input of the next MZA-4.7 in the stack. AMP ON CONTROL A contact closure between the PG and 0V terminals invokes the Page preset, enabling paging or doorbell activation.

  • Page 9: Typical System Configuration

    Typical System Configuration Lounge TV or screen TV or screen SAT receiver DVD Player Zone 1 Zone 2 Keypad Zone 3 Zone 4 Tuner To IR1 CD changer To IR1 + IR2 DVD Changer Fig 1 Study ACTIVE Keypad Bedroom & Ensuite TV or screen To IR2...
  • Page 10 ■ Speakers Speakers in each zone are connected to the MZA-4.7 by “Home-Run” speaker cables. Each zone has a maximum loading of 6 ohms. Fig 1 depicts a powered subwoofer in the study. The subwoofer is driven by the zone 2 preamplifier, and is set...

  • Page 11: Controller Termination

    Note: Some IR receivers have an Amplifier On indicator, their “On” terminal should be connected to the zone’s AMP ON output not to the controller interface ports “Data” terminal. Orange and Green White/Green White/Orange CAT5E cable used to connect controllers to MZA-4.7 Pin # Wire Color White/Orange Orange White/Green Blue...

  • Page 12: Advanced Ir Control

    Advanced IR Control Tuner 2 SAT 2 Tuner 1 SAT 1 CD changer IR routing – discussed in “Typical System Configuration” on page 9 – is used to address specific centrally located source components. When several same brand and model source components are required in an installation, steps must be taken to isolate the radiated IR from interfering with their discrete operation.

  • Page 13: Multiple Mza-4.7 Stacks

    Fig 4 shows inter-connected amplifiers using an expansion bus lead. The source component audio inputs must be plugged into the first MZA-4.7, where they are buffered and sent to the next amplifier in the stack. The maximum recommended expansion is eight units.

  • Page 14: Zone Linking

    It is possible to only link a pair of zones together, i.e. zone 1 linked to zone 2. On the same MZA-4.7 it would be possible to also link zone 3 to zone 4. Options are also provided for Linking volume and/or standby via IMC.

  • Page 15: Automation

    The “Page Preset” is a special preset that is invoked whenever there is a contact closure across the “PG” and 0V termi- nals. Each zone on the MZA-4.7 may be set to a specific input (utility) and at specific volumes (depends on room and application).

  • Page 16: Rs232 Protocol

    RS232 Protocol The RS232 serial port provides data acquisition and control of Integra networks by a home automation system, or PC. The interconnecting cable must be straight: 9 pin ‘D’ connectors. Baud Rate = 9600, Characters are all ASCII. Command Structure: <command><zone><data>line feed.
  • Page 17 RS232 Protocol—Continued Data Command Content Standby 00 – Standby OFF (01) 01 – Standby ON 04 – Toggle Mute 00 – Mute (02) 01 – Un-mute 02 – Toggle Mute Source Selection 00 – S5 (03) 01 – S6 02 – S7 03 –...
  • Page 18 PC’s buffer should be large enough to receive and process the 144-byte reply. ■ If two pairs of zones are linked on an MZA-4.7, i.e. zones 1 & 2 and zones 3 & 4, and a “Link Zone” command is sent that links zones 2 &...
  • Page 19 RS232 Protocol—Continued Keypad Key Codes An Integra Keypad may be directed to emit its learnt IR commands via RS232 control. This is achieved by sending a ‘Cause key press on Keypad’ command “0B” followed by the zone, and the Keypad key code (data).

  • Page 20: Menu Navigation

    Menu Navigation Front Panel user interface: The MZA-4.7 has a LCD display and multi-jog (Rotary Encoder with Push Select) for menu navigation. The menus are hierarchal providing access and control of all amplifier functions. The user navigates through the menu using left/right multi jog rotations and pushes for selections or escapes.

  • Page 21: System Setup

    Return: When entered returns to the “Primary Functions” menu. ■ Protection If the MZA-4.7 is operated in a confined space and in very high ambient temperatures the thermal protection may activate. Upon activation a protection message and temperature is displayed.

  • Page 22: Programming Using Imc (Integra Music Center)

    The program runs on PC’s running Win 2000 - Win XP operating systems, and communicates via either RS232 or USB. When a MZA-4.7 is first attached to a PC running IMC the clock is automatically set to the PC’s current time and date.
  • Page 23 Programming Using IMC (Integra Music Center)—Continued ■ Zone Select To select the zone move the cursor over the zone tab’s down arrow and left click. A zone list window appears – make the selection with a left mouse click. Placing the cursor over the zone tab’s room description displays information about the amplifier’s device ID/serial number.
  • Page 24 < 68. • All Off Left mouse clicks while over the “All OFF” button turns OFF all MZA-4.7 zones. • Setup Opens the Setup Window giving access to the occasionally used functions.
  • Page 25 The “Ampon” outputs on the MZA-4.7 default to tracking the preamplifier “ON” status. However when in independent mode it may be useful for the “Ampon” output to be assigned to the amplifier. Select using a left click on the Amp tab.

  • Page 26: Preset Programming

    Left mouse click over “Set up preset 1” and change any MZA-4.7 function i.e. On status, volume level, source selection, even bass, treble etc. If Preset 1 is required to effect changes to the other zones on the MZA-4.7, then either change the main window’s zone or open other IMC main window instances and make the required changes, then left click over the...
  • Page 27 The above sequence is entered into the macro window. Save and exit by selecting “Default.” The Integra System is now programmed to Select the S1 source, and Play Disc 12 on the S1 source at 6:15am Monday through to Friday.

  • Page 28: Specifications

    - S8) 1 Vp-p/75 Ω (Composite) Output Level & 1 Vp-p/75 Ω (Composite) Impedance (Z1 - Z4) Integra Division of ONKYO U.S.A. CORPORATION 18 park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.integrahometheater.com Integra Division of ONKYO CORPORATION Sales &...

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