Sony TA-AX390 User manual

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1

Table of contents

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SONY

3-750-168-21

(1)

negated

stereo

Amplifier

Operating

Instructions

Before

operating

the

unit,

please

read

this

manual

thoroughly

and

retain

it

for

future

reference.

Owner’s

Record

The

model

and

serial

numbers

are

located

at

the

rear.

Record

these

numbers

in

the

spaces

provided

below.

Refer

to

them

whenever

you

call

upon

your

Sony

dealer

regarding

this

product.

Model

No.

To

prevent

fire

or

shock

hazard,

do

not

ex-

‘pose

the

unit

to

rain

or

moisture.

Serial

No.

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

prod-

uct’s

enclosure

that

may

be

of

suffi-

cient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

This

symbol

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accompa-

nying

the

appliance.

©

1989

by

Sony

Corporation

Precautions

On

safety

©

Operate

the

unit

only

on

120

V

AC,

60

Hz.

¢

Should

any

solid

object

or

liquid

fall

into

the

cabinet,

unplug

the

unit

and

have

it

checked

by

qualified

personnel

before

operating

it

any

further.

¢

Unplug

the

unit

from

the

wail

outlet

if

it

is

not

to

be

used

for

an

extended

period

of

time.

To

disconnect

the

cord,

pull

it

out

by

grasping

the

plug.

Never

pull

the

cord

itself.

On

installation

e

Place

the

unit

on

a

level

surface.

¢

Do

not

install

the

unit

near

heat

sources

such

as

radiators

or

air

ducts,

or

in

a

place

subject

to

direct

sunlight,

excessive

dust,

mechanical

vibration

or

shock.

e

Good

ventilation

is

essential

to

prevent

internal

heat

build-

up

in

the

unit.

Place

the

unit

in

a

location

with

adequate

air

circulation.

Do

not

place

the

unit

on

a

soft

surface.

On

cleaning

Clean

the

cabinet

periodically

with

a

soft

dry

cloth.

If

the

stains

are

difficult

to

remove,

use

a

cloth

moistened

with

a

mild

detergent

solution.

Do

not

use

solvents

such

as

alcohol,

benzine

or

thinner,

since

they

will

damage

the

finish.

On

repacking

Do

not

throw

away

the

carton

and

packing

materials.

It

makes

an

ideal

container

in

which

to

transport

the

unit.

If

you

have

any

questions

or

problems

concerning

your

unit

that

is

not

covered

in

this

manual,

please

consult

your

nearest

Sony

dealer.

For

detailed

precautions,

see

the

leaflet

“IMPORTANT

SAFEGUARDS”.

eeelaCMm(elsvalilicers}iceya

(1]|

SYSTEM

POWER

switch

[2]

5

BAND

Spectrum

analyzer

display

[3]5

BAND

GRAPHIC

EQUALIZER

controls

[4]

VOLUME

control

[5]

SPEAKERS

setector

{6}

HEADPHONES

jack

(stereo

phone

jack)

[7]

Remote

control

sensor

Function

selectors

($]

DBFB

(Dynamic

Bass

Feedback)

switch

and

indicator

BALANCE

control

ote

commander

(supplied

with

the

TA-AX390)

DBFB

button

Function

selectors

Tape

deck

(B)

pause

button

TUNER

PRESET

buttons

POWER

switch

[16]

CD

player

operation

buttons

[17]

VOL

(volume)

contro!

buttons

SISiS\EI

—

A

2)

I

=

a

+

For

customers

of

the

TA-AX391

For

information

concerning

the

remote

commander,

see

the

enclosed

leaflet.

Installing

Batteries

Battery

life

About

half

a

year

of

normal

operation

can

be

expected

when

using

the

Sony

SUM-3(NS)

batteries.

When

the

batteries

are

exhausted,

the

remote

commander

can

no

longer

operate

the

unit.

If

this

happens,

replace

both

batteries

with

new

ones.

To

avoid

battery

leakage

When

the

commander

is

not

to

be

used

for

a

long

time,

remove

the

batteries

to

avoid

damage

caused

by

battery

leakage

and

corrosion.

Listening

to

a

Program

Source

Select

the

speaker

system.

|

SPEAKERS

|

SYSTEM

POWER

FF,

A

3

A+B,

Selecting

the

speaker

system

To

drive

speaker

system

A:

Set

SPEAKERS

to

“A”.

To

drive

speaker

system

B:

Set

SPEAKERS

to

“‘B”.

To

drive

both

speakers:

Set

SPEAKERS

to

“A+B”.

For

headphone

fistening

only:

Set

SPEAKERS

to

“OFF”.

When

SPEAKERS

is

set

to

“A+B”,

two

pairs

of

speaker

system

must

be

connected.

Otherwise,

no

sound

can

be

heard.

_

You

can

record

any

program

source

using

a

tape

deck

connected

to

the

TAPE

jacks.

Tape

a(cerelfeliare

The

BALANCE,

VOLUME,

GRAPHIC

EQUALIZER

controls

and

the

DBFB

switch

have

no

effect

on

recor

Select

the

program

source

other

than

TAPE.

SYSTEM

POWER

>

ON

FUNCTION——_____._—__»,

3

—

=

-

VIDEO

3

Select

the

program

source.

nt

FUNCTION

VOLUME

[

new}

~

Ls]

3

oa

Play

the

program

source.

Selecting

the

program

source

For

arecord

program,

press

PHONO.

For

a

tuner

program,

press

TUNER.

For

aCD

program,

press

CD.

For

a

tape

program,

press

TAPE.

For

a

video

sound

program,

press

VIDEO.

Play

the

program

source.

Set

the

tape

deck

in

the

recording

mode.

'@royalatsvey

(le)

acy

¢

Connect

the

AC

power

cord

last.

Make

sure

power

is

off.

*

Cord

plugs

and

jacks

are

color

coded.

Red

plugs

and

jacks

are

for

right

channel

(R)

and

white

ones

for

left

channel

(L).

©

The

cable

connectors

should

be

fully

inserted

into

the

jacks.

A

loose

connection

may

cause

hum

and

noise.

Note

on

speaker

impedance

and

power

capacity

This

amplifier

is

designed

to

work

best

with

speakers

of

nominal

impedance

from

8

to

16

ohms.

Be

sure

to

use

a

speaker

system

with

adequate

power

handling

capabilities.

(CONTROL

S

OUT

To

connect

a

video

tape

recorder

Use

the

following

cables.

For

stereo

video

tape

recorder

phono

plug

x

2—phono

plug

x

2

For

monaural

video

tape

recorder

mini

plug

x

1—phono

plug

x

2

phono

plug

x

1—

phono

plug

x

2

@

Speaker

cords

@

CONTROL

S

connector

(4-pin)

Connect

to

the

CONTROL

S$

IN

connector

of

other

Sony

equipment

with

the

4-pin

flat

remote

control

cord

for

whole

audio

system

remote

control.

©

SYSTEM

CONTROL

connector

(3-pin)

Connect

to

the

SYSTEM

CONTROL

connector

of

the

Sony

TC-W390

tape

deck

with

the

3-pin

flat

system

control

cord

for

remote

control.

@

AC

OUTLETS

These

are

used

to

power

other

audio

components

whose

power

consumption

is

less

than

the

wattage

indicated

on

the

AC

outlets.

SWITCHED:

These

outlets

are

controlled

by

the

POWER

switch.

CAUTION:

Do

not

connect

any

electrical

home

appliances

such

as

an

electric

iron,

fan,

TV

or

other

high

wattage

equipment

to

these

AC

outlets.

@

Power

cord

Connect

to

a

wall

outlet.

Adjusting

the

Audio

The

following

operations

apply

only

to

reproduced

sound.

Volume

Adjustment

To

increase

the

sound

level

turn

the

VOLUME

clockwise.

To

decrease

it

turn

the

control

counterclockwise.

Sound

Quality

Adjustment

To

reinforce

bass

Press

the

DBFB

(Dynamic

Bass

Feedback)

switch

to

ON.

The

lower

the

sound

level

is,

the

more

the

bass

is

emphasized.

To

adjust

tone

quality

Adjust

the

5

BAND

GRAPHIC

EQUALIZER

controls

according

to:

¢

Personal

preference.

¢

The

room

acoustics.

For

instance,

playback

in

a

room

with

padded

walls

or

furniture

will

probably

sound

better

with

the

high

frequencies

boosted.

¢

Program

quality.

If

reproduction

contains

hiss,

cutting

the

higher

frequencies

will

improve

playback.

Function

of

graphic

equalizer

controls

100

Hz:

Boosts

or

cuts

bass.

330

Hz:

Adjusts

the

power,

spaciousness

and

warmth

of

the

sound.

1kHz:

Provides

more

presence

for

vocals.

3.3

kHz:

Boosts

a

brighter

sound

or

reduces

stridency.

10

kHz:

Highlights

the

delicate

quality

of

instrumental

sound.

Balance

Adjustment

To

change

the

relative

strength

of

the

right

and

left

speaker

outputs,

adjust

the

BALANCE

control.

For

personal

listening

Connect

headphones

to

HEADPHONES.

If

howling

occurs

while

listening

to

a

record

Switch

off

DBFB.

Then

turn

down

the

volume

and

100

Hz

controls

until

howling

stops.

Howling

occurs

when

the

vibrations

of

the

boosted

bass

are

picked

up

by

the

stylus,

and

reproduced

once

again.

Troubleshooting

Guide

Before

going

through

the

check

list

below,

first

refer

back

to

the

connection

and

operating

procedures.

Should

any

problem

persist

after

you

have

made

these

checks,

consult

your

nearest

Sony

dealer.

No

audio

Cas

audio

from

one

channel

Lack

of

bass

sound

or

obscure

instrument

position

e

Check

the

power

cord

connection.

e

Check

the

SPEAKERS

selector

setting.

©

Check

the

connections.

¢

Check

the

setting

of

the

function

selector.

¢

Check

the

speaker

terminal

connection

and

the

speaker

cord

for

a

short.

¢

Adjust

the

BALANCE

control.

¢

Check

the

speaker

cord

or

connecting

cord

connection.

¢

Check

the

connection

between

the

amplifier

and

speakers.

Severe

hum

or

noise

when

using

the

turntable

Noise

when

TV

is

turned

on

Switching

on

DBFB

does

not

affect

the

sound

¢

Ground

the

turntable

system.

¢

Fully

insert

the

plug

of

the

connecting

cord.

¢

Disconnect

the

ground

wire

of

the

turntable

from

the

terminal

when

using

an

MM

cartridge

with

a

ground

piece.

e

Move

the

TV

away

from

the

audio

system.

¢

DBFB

reinforces

only

low

frequencies

at

low

sound

levels.

Specifications

AUDIO

POWER

SPECIFICATIONS

POWER

OUTPUT

AND

TOTAL

HARMONIC

DISTORTION:

With

8

ohm

loads

both

channels

driven,

from

20

—

20,000

Hz;

rated

135

watts

per

channel

minimum

RMS

power,

with

no

more

than

0.9%

total

harmonic

distortion

from

250

milliwatts

to

rated

output.

Amplifier

section

Power

bandwidth

(IHF)

30

Hz

-

30

kHz

(8

ohms,

65

watts)

Dynamic

headroom

1.7

dB

(78

IHF)

Harmonic

distortion

Less

than

0.9%

at

rated

output

Frequency

response

PHONO:

RIAA

equalization

curve

TUNER,

CD,

VIDEO,

TAPE:

30

Hz

-

30

kHz

+3

dB

Damping

factor

27

(8

ohms,

1

kHz)

input

S/N

(weighting

network,

input

level)

71

dB

50kilohms

|

75dB*

(A,

3.0

mV)

92

dB

50

kilohms

83

dB*

(A,

250

mV)

Jack

type

Input

jack

Sensitivity

Impedance

*°78

IHF

Output

REC

OUT

Phono

jacks

|

Voltage

150

mV

Impedance

1

kilohm

SPEAKERS

|—

_|

Accepts

speakers

of

8

-

16

ohms.

HEADPHONES

Stereo

phone

|

Accepts

low

and

high

impedance

jack

headphones.

GRAPHIC

EQUALIZER

controls

Boost/cut

range:

+8

dB

(100

Hz,

330

Hz,

1

kHz,

3.3

KHz)

:

+6

dB

(10

KHz)

General

System

Preamplifier:

Low-noise,

high-gain

equalizer

amplifier

Power

amplifier:

Pure-complementary

SEPP

OCL

power

amplifier

with

all

stages

directly

coupled

Power

requirements

120

V

AC,

60

Hz

Power

consumption

235

W

AC

outlets

3

switched,

total

100

watts

max.

Dimensions

Approx.

430

x

130

x

355

mm

(w/h/d)

(17

x

54s

x

14

inches)

Weight

Approx.

8.5

kg

(18

Ib

12

02)

Supplied

accessory

Remote

commander

(1)

(TA-AX390:

RM-S390,

TA-AX391:

RM-P202)

Design

and

specifications

subject

to

change

without

notice.

Sony

Corporation

Printed

in

Korea