Sony DR-6020 User manual

SONTY.

SERVICE

MANUAL

for

MICROPHONE

HEADSET

SYSTEM

DR-6020

May

1994

SONY

CORPORATION,

7-35

Kitasinagawa

6-Chome,

Sinagawa-ku,

TOKYO,

141

Japan

CHAPTER/

SECTION

List

Effective

Pages

Record

Revisions

Table

Contents

List

Illustrations

List

Tables

Description

and

Operation

Service

Method

Disassembly

Assembly

Testing

Illustrated

Parts

List

MICROPHONE

HEADSET

SYSTEM

DR-6020

PAGE

ill

thru

SONY.

SERVICE

MANUAL

DATE

Original

FOR

LIST

EFFECTIVE

PAGES

CHAPTER/

SECTION

PAGE

DATE

Original

SON

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

RECORD

REVISIONS

REVISION

PAGE

ISSUE

NUMBER

EFFECTED

DATE

ill

SONY.

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

TABLE

CONTENS

SECTION

nARWN

SUBJECT

Title

Page

List

Effective

Pages

Record

Revisions

Table

Contents

List

Illustrations

List

Tables

Description

and

Operation

General

System

Configuration

Functions

and

Features

Service

Method

Disassembly

Assembly

Testing

Microphone

Main-Frame

Ass’y

Checkout

Amp

Board

Mount

Checkout

Operation

Check

Increasing

Descreasing

Power

Supply

Voltage

Illustrated

Parts

List

PAGE

Original

SON

Y:.

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

LIST

ILLUSTRATIONS

FIGURE

PAGE

DR-6020

External

Views

thru

System

Connection

Charts

thru

Microphone

Frequency

Response

Chart

Microphone

ECM-9030,

ECM-9031

Exploded

View

Cords

Plug

(A)

Ass’y

and

Plug

(B)

Ass’y

Arrangement

Cord

Microphone

Main-Frame

Ass’y

Arrangement

Microphone

ECM-9035,

ECM-9036

Exploded

View

Cord

Arrangement

Soldering

Position

Microphone

ECM-9030,

ECM-9031

Wiring

Diagram

Microphone

ECM-9030,

ECM-9031

Circuit

Diagram

Microphone

ECM-9035,

ECM-9036

Wiring

Diagram

Microphone

ECM-9035,

ECM-9036

Circuit

Diagram

Wiring

for

Microphone

Main-Frame

Ass’

Wiring

for

Amp

Board

Mount

Microphone

ECM-9030,

ECM-9031

Exploded

View

Microphone

ECM-9035,

ECM-9036

Exploded

View

LIST

TABLES

TABLE

PAGE

DR-6020

Combination

Examples

Specifications

thru

Original

SONY.

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

Description

and

Operation

General

(1)

Scope

This

service

manual

with

illustrated

parts

list

(IPL)

covers

the

Sony

corporation,

DR-6020

microphone

headset

system.

System

Configuration

This

equipment

microphone

headset

system

used

the

cockpit

and

cabin

general

aircraft.

Connected

the

audio

communication

system

the

cockpit,

converts

audio

signals

into

electrical

signals,

vice

versa,

permitting

intercommunication

inside

the

cockpit,

between

the

cockpit

and

the

cabin,

and

between

the

cockpit

and

ground

station.

The

system

consists

receiver

MDR-7020,

microphone

ECM-9035, ECM-9036,

ECM-9030, ECM-9031,

receiver

connecting

cord

RK-8010,

RK-8011,

RK-8020,

RK-8021, RK-8015,

RK-8016,

RK-8025,

RK-8026,

and

plug-adaptor

PC-8410.

These

components

can

used

combination

according

the

purpose.

(See

Table

1.)

Function

and

Features

(See

Figure

1.)

(1)

(2)

(3)

MDR-7020

dynamic

type

receiver

with

earpieces

for

both

ears,

equipped

with

connector

jacks

both

sides

for

convenient

connection.

Unlike

with

one

ear

receiver,

using

both

ears

means

sound

pressure

levels

are

kept

low,

reducing

ear

fatigue

minimum,

and

the

open-ear

design

means

that

effects

the

ears

from

changes

air

pressure

are

also

minimized.

The

impedance

the

receiver

320

ohms.

ECM-9030,

ECM-9035

electret

condenser

microphone

(with

built-in

amplifier)

which

converts

the

MDR-7020

full

microphone

headset

system.

employs

high-performance

unidirectional

electret

condencer

micro-

phone

unit

the

end and

flexible

pipe

the

boom

permit

the

unit

set

the

most

convenient

position.

Moreover,

thanks

180-degree

rotatable

function

the

boom

end,

the

microphone

can

mounted

either

the

left

right

side

the

MDR-7020

for

optimum

voice

pickup.

The

microphone

operates

(nominal

DC).

The

nominal

impedance

150

ohms

(AC

load)

and

the

matching

impedance

100

470

ohms.

ECM-9031,

ECM-9036

electret

condenser

microphone

(with

built-in

amplifier)

which

converts

the

MDR-7020

full

microphone

headset

system.

employs

high-performance

unidirectional

electret

condencer

micro-

phone

unit

the

end

and

flexible

pipe

the

boom

permit

the

unit

set

the

most

convenient

position.

Moreover,

thanks

180-degree

rotatable

function

the

boom

end,

the

microphone

can

mounted

either

the

left

right

side

the

MDR-7020

for

optimum

voice

pickup.

The

microphone

operates

(nominal

DC).

The

nominal

impedance

150

ohms

(AC

load)

and

the

matching

impedance

100

470

ohms.

has

resistor

the

plug

for

connecting

the

receiver,

and

its

receiver

impedance

600

ohms.

Original

(4)

(5)

(6)

(7)

(8)

SON

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

RK-8010,

8015

connecting

cord

for

independent

use

the

receiver

MDR-7020.

can

connected

either

the

left

right

side

the

MDR-7020

with

the

respective

connector.

RK-8020,

8025

connecting

cord

for

independent

use

the

receiver

MDR-7020.

can

connected

either

the

left

right

side

the

MDR-7020

with

the

respective

connector.

has

curled

portion.

RK-8011,

8016

connecting

cord

for

independent

use

the

receiver

MDR-7020.

can

connected

either

the

left

right

side

the

MDR-7020

with

the

respective

connector.

has

resistor

the

plug,

and

its

receiver

impedance

600

ohms.

RK-8021,

8026

connecting

cord

for

independent

use

the

receiver

MDR-7020.

can

connected

either

the

left

right

side

the

MDR-7020

with

the

respective

connector.

has

curled

portion

and

has

resistor

the

plug.

Its

receiver

impedance

600

ohms.

PC-8410

plug

adaptor

with

push-to-talk

switch

which

enables

hand-operated

control

transmission.

connected

between

the

microphone

input

jack

the

aircraft

intercom

system

and

the

microphone

output

plug

the

ECM-9030, ECM-9031,

ECM-9032, ECM-9035,

ECM-9036.

The

transmitter

will

active

only

while

the

switch

button

pushed.

SONY:

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

TABLE

DR-6020

Combination

Example

PURPOSE

USE

Independent

use

the

receiver

(e.

when

using

hand

microphone)

case

the

receiver

impedance

320

ohms.

COMBINATION

EXAMPLE

COMPONENTS

USED

MDR-7020,

RK-8010

MDR-7020,

RK-8020

MDR-7020,

RK-8015

MDR-7020,

RK-8025

MDR-7020,

ECM-9030

MDR-7020,

ECM-9035

Intercommunication

(e.

when

using

push-to-talk

switch

control

yoke

audio

panel)

MDR-7020,

ECM-9030,

PC-8410

Intercommunication

(For

hand-operated

control

transmission)

PURPOSE

USE

Independent

use

the

receiver

(e.

when

using

hand

microphone)

MDR-7020,

ECM-9035,

PC-8410

case

the

receiver

impedance

600

ohms.

COMBINATION

EXAMPLE

COMPONENTS

USED

MDR-7020,

RK-801

MDR-7020,

RK-8021

MDR-7020,

RK-8016

MDR-7020,

RK-8026

MDR-7020,

ECM-9031

MDR-7020,

ECM-9036

Intercommunication

(e.

when

using

push-to-talk

switch

control

yoke

audio

panel)

MDR-7020,

ECM-9031,

PC-8410

Intercommunication

(For

hand-operated

control

transmission)

MDR-7020,

ECM-9036,

PC-8410

Original

SONY:

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

RECEIVER

MDR-7020

RECEIVER

CONNECTING

CORD

RK-8010,

RK-8011

RECEIVER

CONNECTING

CORD

RK-8015,

RK-8016

RECEIVER

CONNECTING

CORD

RK-8020,

RK-8021

—

RECEIVER

CONNECTING

CORD

RK-8025,

RK-8026

Original

SONY.

SERVICE

MANUAL

FOR

MICROPHONE

HEADSET

SYSTEM

DR-6020

MICROPHONE

ECM-9030,

ECM-9031

AMPLIFIER

BOOM

MICROPHONE

ECM-9035,

ECM-9036

BUILT-IN

AMPLIFIER

BOOM

MICROPHONE

PLUG

ADAPTOR

PC-8410

SWITCH

Figure

DR-6020

External

Views

Original

Table of contents

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