Extron electronic MLS 304SA, MLS 406 manual Audio Block Diagrams, MLS 304MA audio block diagram

Page 56

PRELIMINARY

Reference Material, cont’d

Audio Block Diagrams

MLS 304MA audio block diagram

CTRL

CTRL

1

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Configurable output levels

 

CTLESEUTINP

)

 

 

-10dBV unbalanced

 

NELCHANFT(LE

 

CTRL

or

2

LEFT

 

 

 

 

 

 

+4dBV balanced

 

 

 

 

 

 

LEFT

 

+4

 

 

 

 

 

 

 

 

AUX

LEFT CHN

 

 

3

LEFT

 

-10

 

 

+

 

 

 

 

AUX/MIX

MUX

 

INPUTS

 

 

 

 

 

 

 

+4

 

 

LINEOUT

 

4

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+ -

+ -

 

 

 

 

 

 

 

-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCHABLE

 

 

Gain/Attenuation:

 

 

 

 

MONO

 

 

 

 

 

 

 

-42dB to +24dB

 

CTLESEUTINP L)ANNECH(RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

+4

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-10

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT CHN

 

MUX

 

 

 

 

 

 

2

RIGHT

 

 

 

+

+4

 

 

 

 

 

 

 

 

 

 

AUX/MIX

 

 

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUX

 

-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUX/MIX

(Balance/Unbalance)

 

Gain/Attenuation:

 

 

 

AUX/MIX

 

MUX

 

 

 

 

 

-42dB to +24dB

 

 

 

+4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+ -

 

 

 

 

LEFT CHN

-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

VOLUME

 

 

+4

 

 

PREAMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTRL

 

CTRL

 

 

 

 

 

+ -

+

-

 

 

 

LOUDNESS

 

BASS & TREBLE

LEFT

 

-10

 

 

 

 

 

 

 

 

 

AUX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONO

 

 

 

 

 

 

 

 

LOUDNESS

 

BASS & TREBLE

RIGHT

 

+4

 

 

 

 

 

 

 

 

 

AUX

 

 

 

 

 

 

 

 

 

 

+10dB@

 

+/-10dB@

 

 

 

 

 

 

 

 

 

 

 

 

 

-10

 

 

 

 

 

 

 

 

100Hz/10kHz

 

100Hz/10kHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT CHN

 

MUX

 

 

 

 

 

 

 

 

 

 

 

+

+4

 

 

 

 

 

 

 

 

 

 

 

 

AUX/MIX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLUME

 

 

-10

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

User Mode: Volume Level Indicator

VOLUME

 

 

 

 

 

 

100V

 

 

 

Set Up Mode: Input Level Indicator

 

 

FILTER

XFMR

 

 

70V

 

 

 

POSITION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX/

+V

 

 

 

 

 

 

 

COM

 

 

 

 

CLIP

CTRL

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

MID/

LED

USER MODE

 

 

 

 

 

 

+

 

 

 

 

NORM

 

 

 

FILTER

 

 

 

 

 

 

 

MODE

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

SWITCH

SETUP MODE

 

LIMITER

 

 

 

 

 

 

 

GREEN

MIN/

 

 

 

4 / 8 ohm

 

 

 

 

 

 

 

CIRCUIT

POWER AMP

 

 

 

 

 

SIGNAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 WATTS

 

 

 

 

 

 

 

GREEN

 

 

 

(continuous)

 

 

 

A- MLS 304 Series, MLS 406 Series • Reference Material

Page 55 Page 57
Image 56
Page 55 Page 57
Contents MediaLink Switchers MLS 304MA, MLS 304SA, MLS 406, MLS 406MA, MLS 406SAPrecautions Safety Instructions EnglishConsignes de Sécurité Français Sicherheitsanleitungen DeutschInstallation Quick Start MLS 304MA, MLS 406, MLS 406MAVideo Configuration Table of Contents Table of Contents, cont’d One Features IntroductionAbout this Manual About the MLS 304 Series and the MLS 406 SeriesTwo Installation UL/Safety RequirementsImportant Safety Instructions MLS 304 Series, MLS 406 Series InstallationRack mounting Mounting the SwitcherTabletop use Power, input, and control connections Power connectionMLS 304 Series, MLS 406 Series Installation Rear Panels and CablingInput Type Signal BNC Color Balanced Mono InputInstallation, cont’d  MLS 304 Series, MLS 406 Series InstallationIR Link IR signal repeater Control connectionThat has an external power supply Audio outputs Video output, local monitor, and audio output connectionsVideo outputs Unbalanced Mono Output Balanced Mono Output Wiring for 4 ohm or 8 ohm speakers MA models Ohm Total LoadSpeakers Tapped at 7.5 Watts Each Equals 15 Watts Total Wiring for 4 ohm or 8 ohm speakers SA models Stereo OutputSpeaker arrangement examples Examples of speaker layoutsExtron Application DiagramsMLC MLC ProjectorThree Operation and Setup Front Panel Features and Operation MLS 304 Series, MLS 406 Series Operation and Setup Minimum threshold at least 21%MLS 304 Series, MLS 406 Series Operation and Setup Front panel security lockout executive modesMLS 304 Series, MLS 406 Series Operation and Setup Setting Up and Optimizing the AudioResetting the switcher Configuring Lineout and Preamp output levels Adjusting audio input levelsMaking adjustments Signal detection thresholdClipping level Normal rangeVideo Signal Routing Standard mode modeDA distribution amplifier mode mode RGB follow mode modeMode Remote ControlMode Selected input Input special conditions Monitor Output If the image does not appear or there is no sound TroubleshootingIf the switcher does not respond to controls Preliminary Four Host-to-MLS communications Serial CommunicationRS-232 Programmer’s Guide MLS 304 Series, MLS 406Series Serial Communication Using the command/response tablesSymbol definitions Command/response table for SIS commands Command Ascii Command Response Additional descriptionAudio status for the active input Aux/Mix inputFirmware version, part number & information requests Command/response table for special function SIS commands Command Ascii Command Response ? valuesControl Software for Windows Installing the softwareUsing the control program User Mode Screen Special featuresSwitcher MLS Config Screen Preliminary Updating firmware Saving and restoring configurationsFile menu options Follow the on-screen instructions File name Description Using the help programKey to file names AAppendix a Specifications Reference MaterialVideo Video input and loop-throughMLS 304 Series, MLS 406 Series Reference Material A- SyncAudio Audio output mono power amp MLS 304MA, MLS 406MA only Audio inputAudio output Lineout and Preamp Included partsGeneral Audio output stereo power amp MLS 304SA, MLS 406SA onlyControl/remote switcher Part Numbers and Accessories Optional accessoriesIncluded parts Replacement Part number Accessory Part numberFrequency Response Graph for the Loudness Feature Audio Reference LevelsAudio Block Diagrams MLS 304MA audio block diagramMLS 304SA audio block diagram Utinpse LE CTMLS 406, MLS 406MA audio block diagram InputsMLS 406SA audio block diagram MLS 304 Series, MLS 406 Series Reference Material A-11This page was deliberately left blank FCC Class a Notice Extron’s Warranty Extron Electronics, USA
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