Extron electronic PVS 204SA manual Audio Block Diagram, Reference Material

Page 51

PVS 204SA Switcher •

Figure A-1 — PVS 204SA audio block diagram

Reference Material

 

A-7

 

 

Twisted Pair

Input Channel

 

Differential

 

Audio Input

Gain

 

1

+

 

 

 

 

 

 

 

 

 

Audio MUX

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Left

2

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Channel

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

+

 

 

 

 

 

 

 

 

 

Audio MUX

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Right

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Channel

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

Aux/Mix

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balanced Line

Level Encoder

Level Input

 

Aux /Mix

+

7

Input

-

 

Software

Controlled

Power Amp

Level

 

Stereo

 

 

Dual

Tone

 

Mono

+

Controls:

 

Volume,

Mono Sum

Dual

Treble,

Bass,

 

 

Mono

Loudness

 

 

Stereo

High Pass Filter

Stereo/Dual Mono

On/Off

DIP Switch

DIP Switch

 

OFF

+ ON

High Pass

Filter

+ ON OFF

Software

Switched:

Limiter On/Off

(+)(-) L

Power

Amplifier

With

Limiter Output

Filters

(+)(-) R

The diagram below represents

Audio Block Diagram

audio signal flow within the PVS 204SA.

 

PRELIMINARY

Page 50 Page 52
Image 51
Page 50 Page 52
Contents PVS 204SA PoleVault SwitcherSicherheitsanleitungen Deutsch PrecautionsSafety Instructions English Consignes de Sécurité FrançaisFCC Class a Notice Quick Start PVS 204SAQuick Start PVS 204SA, cont’d Table of Contents Table of Contents, cont’d One About the PVS 204SA PVS 204SA Switcher IntroductionIntroduction About this ManualFeatures Introduction, cont’d Application DiagramsMLP 101 AAP Introduction, cont’d Two PVS 204SA Switcher Installation InstallationUL/Safety Guidelines Important safety instructionsInstalling the PVS 204SA on the PMK Mounting the SwitcherRear Panel Features and Cabling Power connectionInput connections Twisted pair RGB video and audio cable wiring Output connections Installation, cont’dAs shown at right Aux/Mix input connectionControl connection RS-232/MLC/IR control port The PVS switcher can beConfigured with a driver to 12 Connecting an IR Link to the switcher Speaker arrangement examples Speaker ConfigurationStereo or Dual Mono Output using parallel speaker wiring Connecting speakers to the PVS 204SALabeling the A/V Inputs Labeling and connecting the A/V input cablesLabeling the PVT Decora face plates Final SetupThree Operation and Setup Front Panel Features and OperationPVS 204SA Switcher Operation and Setup Setting the single switcher mode via the front panel Setting Switcher ModesSingle switcher mode Separate switcher modeAuto Switching Setting the separate switcher mode via the front panelSetting the input auto switching mode via the front panel Steps for optimizing the audio Setting Up and Optimizing the AudioAmplifier level control Front panel input sensitivity adjustmentGain control Individual channel input sensitivity controlAux/Mix control Resetting the SwitcherClipping indicator Bass, treble, and loudness controlSetting the executive mode via the front panel Front Panel Security Lockout Executive ModeFour PVS-initiated messages Serial CommunicationRS-232 Programmer’s Guide Host-to-PVS communicationsError responses Using the command/response tablesSymbol definitions Serial Communication, cont’d Factory defaultsCommand Ascii Command Response Additional description Command/response table for SIS commandsVolume adjustment Status commandsCommand Ascii Command Response ? values Command/response table for special function SIS commandsUpdating Firmware Click Upload to upload the firmware file into the PVS 204SA Preliminary Reference Material Reference Material PVS 204SA Switcher Reference MaterialVideo output composite video Reference Material, cont’d Part Numbers and Accessories AccessoriesIncluded parts Speaker accessories Cable accessoriesAccessory Part number Reference Material Audio Block DiagramDBV Voltage DBu Audio Reference LevelsExtron’s Warranty Extron USA West
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