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Lt-82 block diagram – Listen Technologies Stationary LA-350 User Manual

Page 42

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LT-82 LT-82

Design GuideDesign Guide

LT-82

LT-82 Block Diagram

Universal

Power Supply

LA-205

(provided)

115/230VAC

50/60hz

Power Supply

CPU Module

30VDC, 1.5A

Red

LED

On

Up

Off

Down

Volume

POWER

CHANNEL SELECT

HEADPHONE

Listen LCD Display

Backlit

Input 1 VU

Meter

Input 2 VU

Meter

Transmitter RF Board

Stereo Generator

Pre-emphasis

Processing

Automatic

Overload

Protection

Terminal

CAT5

DC Out

RF

BNC

IN

OUT

Green

LED

On

Off

STEREO

CONTOUR

3.5MM

Stereo

Transmit

LEVEL

Compression Ratio

(internal adjustment)

Transmit Level

Meter

Green

LED

On

Off

PROCESS

Functions controlled by the CPU Module

Input Level POT

Front Panel

Input 1 Level Select Line,

Mic, Mic -phantom Pwr

Input 2 Level Select

-10dBu, +10dBu

Test Tone Button

Front Panel

Mic

Mic

Phantom

Pwr

Female XLR-1/4”

Combo Connector

1/Sleeve

12VDC

2/Tip 3/Ring

Line

INPUT 1

Mono Only

INPUT 2

Mono/Stereo

OUTPUT

Mono/Stereo

TEST TONE

+10

+10

-10

-10

Phono

Phono

Phono

400Hz

On

Off

On

Off

Red

LED

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