Sony TA-AX310 Manuale utente

INTEGRATED

STEREO

AMPLIFIER

TA-AX310

OPERATING

INSTRUCTIONS

Before

operating

the

unit,

please

read

this

manual

thoro¬

ughly.

This

manual

should

retained

for

future

reference.

1984

Sony

Corporation

OWNER’S

RECORD

The

model

and

serial

numbers

are

located

the

rear.

Record

the

serial

number

the

space

provided

below.

Refer

these

numbers

whenever

you

call

upon

your

Sony

dealer

regarding

this

product.

Model

No.

TA-AX310

Serial

No.

WARNING

prevent

fire

shock

hazard,

not

expose

the

unit

rain

mois¬

ture.

•

RISK

ELECTRIC

SHOCK

NOT

OPEN

CAUTION

REDUCE

THE

RISK

ELECTRIC

SHOCK,

NOT

REMOVE

COVE

(OR

BACK).

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

QUALIFIED

SERVICE

PERSONNEL.

This

symbol

intended

alert

the

user

the

presence

uninsulated

“dangerous

voltage”

within

the

product’s

enclosure

that

may

sufficient

magnitude

constitute

risk

electric

shock

persons.

TABLE

CONTENTS

Features.

Precautions.

Function

controls.

System

connections.

Connection

notes.

Speaker

connection.

outlets.

listen

record,

CD,

tuner

program

auxiliary

source.

listen

taped

program.

Tape

recording

record.9

Trouble

checks.9

Specifications.10

FEATURES

The

TA-AX310

integrated

stereo

amplifier

provides

dynamic

sound.

The

block

diagram

the

amplifier

shown

its

attractive

front

display

and

enables

the

signal

flow

read

single

glance.

•

Power

output

watts

(40

-20

kHz,

0.08%

THD).

•

Independent

inputs

for

connecting

player

your

stereo

system.

•

Ability

drive

two

pairs

speaker

systems

either

in¬

dividually

simultaneously.

This

symbol

intended

alert

the

user

the

presence

important

operating

and

mainteance

(servicing)

instructions

the

literature

accompanying

the

appl-

iance.

PRECAUTIONS

safety

•

Operate

the

unit

only

120

ac,

•

Should

any

liquid

solid

object

fall

into

the

cabinet,

unplug

the

unit

and

have

checked

qualified

person¬

nel

before

operating

any

further.

•

Unplug

the

unit

from

the

wall

outlet

not

us¬

for

extended

period

time.

disconnect

the

cord,

pull

out

grasping

the

plug.

Never

pull

the

cord

itself.

installation

•

not

install

the

unit

location

near

heat

sources

such

radiators

air

ducts,

place

subject

direct

sunlight,

excessive

dust,

mechanical

vibration

shock.

•

Good

air

circulation

essential

prevent

internal

heat

build-up

the

unit.

Place

the

unit

location

with

adequate

air

circulation.

not

place

the

unit

soft

surface,

such

rug

that

would

block

the

ventilation

holes

the

bottom.

•

not

place

anything

top

the

cabinet.

The

top

ventilation

holes

must

unobstructed

for

the

proper

operation

the

unit

and

prolong

the

life

its

components.

operation

•

Before

making

program

source

connections,

sure

turn

the

power

switch

off

and

unplug

the

unit.

•

When

the

unit

not

used,

turn

the

power

off,

con¬

serve

energy

and

extend

the

useful

life

your

unit.

cleaning

the

cabinet

Clean

the

cabinet,

panel

and

.controls

with

soft

cloth

lightly

moistened

with

mild

detergent

solution.

not

use

any

type

abrasive

pad,

scouring

powder

sol¬

vent

such

alcohol

benzine.

repacking

not

throw-away

the

carton

and

the

packing

material.

makes

ideal

container

transport

the

unit

in.

When

shipping

the

unit

for

repair

work

another

location,

repack

illustrated

the

carton

box.

For

the

customers

the

USA

For

detailed

safety

precautions,

see

the

leaflet

“IMPOR¬

TANT

SAFEGUARDS”

FUNCTION

CONTROLS

Each

number

the

text

keyed

that

the

photo.

Front

panel

POWER

switch

Turns

the

operating

power

off.

Front

display

The

appropriate

indicator

lights

according

the

set¬

ting

each

control.

VOLUME

control'

Regulates

the

overall

sound

level.

Slide

towards

the

right

increase

the

sound

level.

LOUDNESS

switch

Normally

keep

the

switch

released

OFF).

When

listening

program

sources

low

volume

setting,

depress

the

switch

ON).

This

loudness

control

compensates

for

the

human

ear’s

decreased

response

very

low

frequency

sound

low

voume

levels,

and

provides

apparently

uniform

response.

MONITOR

TAPE

button

Press

this

button

listen

taped

program

con¬

nected

the

TAPE

RECORDER

REC

OUT

jacks.

The

TAPE

indicator

the

front

display

will

light

up.

Press

this

button

again

disengage

it.

FUNCTION

select

buttons

Press

one

these

buttons

select

desired

program

source

other

than

taped

program.

The

associated

in¬

dicator

the

pressed

buttons

will

light

the

display.

AUX

For

auxiliary

programs

(connected

AUX

inputs).

CD:

For

compact

disc

programs

(connected

inputs).

TUNER

For

off-the-air

programs

(connected

TUNER

inputs)

PHONO:

For

record

programs

(connected

PHONO

inputs)

BASS

and

TREBLE

TONE

controls

These

controls

adjust

the

bass

and

treble

response.

Slide

towards

the

right

(+)

increase

the

response

and

the

left

(-)

decrease

the

response.

BALANCE

control

Governs

the

amount

sound

coming

from

each

paired

speaker

get

optimum

stereo

effect.

Normally,

keep

this

the

center

position.

HEADPHONES

jack

Accepts

any

low

impedance

stereo

headphones.

For

headphone

monitoring

only,

keep

both

SPEAKERS

select

buttons

and

released.

SPEAKERS

select

buttons

Select

speaker

system

both.

Rear

panel

Ground

terminal

For

turntable

system

with

ground

wire,

sure

connect

this

terminal

prevent

hum.

hum

still

exists,

may

helpful

connect

the

ground

terminal

directly

earth

via

ground

rod.

PHONO

inputs

(phono

jack)

the

output

turntable

system

with

(moving

magnet)-type

cartridge.

TUNER

inputs

(phono

jack)

the

output

tuner.

(compact

disc)

inputs

(phono

jack)

the

output

compact

disc

player.

AUX

(auxiliary)

inputs

(phono

jack)

various

input

sources

such

tape

deck

(for

playback

only),

additional

tuner,

etc.

TAPE

RECORDER

inputs/outputs

(phono

jack)

The

TAPE

inputs

the

outputs

tape

deck

for

playing

back

tapes.

The

REC

OUT

(outputs)

the

inputs

tape

deck

for

tape

recording.

Note:

The

AUX,

CD,

TUNER

and

TAPE

RECORDER

TAPE

inputs

are

identical

sensitivity

and

input

impedance.

SPEAKER

terminals

For

connecting

pair

speaker

system

two

pairs

speaker

systems.

System

and

system

can

selected

means

the

front

panel

SPEAKERS

select

buttons.

OUTLETS

These

are

used

power

other

audio

components

whose

power

consumption

less

than

the

wattage

in¬

dicated

the

outlet.

SYSTEM

CONNECTIONS

CONNECTION

NOTES

•

The

power

cord

should

connected

last

all,

first

making

sure

that

the

POWER

switch

turned

off.

•

When

connecting

program

sources

tape

recorders,

note

that

the

red

jacks

the

amplifier

are

for

right-

channel

connections

and

the

white

jacks

for

left-

channel

connections.

•

The

cable

connectors

should

fully

inserted

into

the

jacks.

loose

connection

may

cause

hum

and

noise.

SPEAKER

CONNECTION

The

unit

has

provision

for

two

pairs

speaker

systems—

system

and

system

B—which

can

selected

individually

simultaneously

means

the

front

panel

SPEAKERS

select

buttons.

Note

that

the

speaker

systems

and

are

series-

connected.

Connect

the

second

speaker

system

the

SPEAKER

inputs.

sound

will

heard

only

one

the

speaker

systems

connected

and

the

SPEAKERS

select

but¬

tons

and

are

depressed.

Speaker

impedance

and

power

capacity

This

amplifier

designed

work

best

with

speakers

having

nominal

impedance

from

ohms,

and

rated

watts

minimum

RMS

per

channel

with

8-ohm

load

from

20,000

Hz.

sure

not

use

speakers

with

impedance

less

than

ohms

and

use

adequate

power

handling

capabilities.

Speaker

cord

connection

Strip

the

outer

covering

and

twist

the

wires.

Speaker

placement

Here

are

few

suggestions

basic

speaker

placement.

—

Place

each

speaker

with

its

back

3—5

(1V«-2”)

from

hard

wall

similar

acoustic

environment.

—

Set

your

speaker

system

hard,

flat

floor

pedestals.

Carpets,

draperies

and

upholstered

fur¬

niture

will

miminize

the

multiple

reflections

high-

frequency

sound

which

reduce

the

stereo

effect.

—

Generally

recommend

that

the

speaker/listener

relationship

equilateral

triangle.

the

speaker

separation

too

wide,

face

the

speakers

little

towards

each

other.

V©

-Wall

“1

Approx.

Twist

tightly

Keep

the

terminal

button

depressed

and

fully

insert

the

wires

into

the

slot,

and

then

release

the

button.

Pull

the

speaker

cord

lightly

see

the

connec¬

tion

secure.

—

Place

the

speakers

higher

than

your

ears

when

you

are

seated,

the

speakers

are

positioned

above

the

floor.

OUTLETS

These

are

used

power

other

audio

components

whose

total

power

consumption

less

than

the

in¬

dicated

wattage.

The

SWITCHED

outlets

are

controlled

the

front

panel

POWER

switch.

The

UNSWITCHED

outlet

not

controlled

the

POWER

switch.

not

connect

any

electrical

home

appliance

such

electric

iron,

fan,

other

high-wattage

equip¬

ment

these

outlets.

Generally

speaker

cords

are

coded

with

color,

mark,

indicating

the

polarities.

Remember

the

coding

and

prevent

faulty

connections.

Right

speaker:

SPEAKER

terminals

Left

speaker:

SPEAKER

terminals

code:

for

connection

code:

for

connection

LISTEN

RECORD,

CD,

TUNER

PROGRAM

AUXILIARY

SOURCE

Depress

the

POWER

switches

the

amplifier

and

connected

source

equipment

ON.

Select

the

speaker

system

used

with

the

SPEAKERS

select

buttons.

drive

speaker

system

depress

button.

drive

speaker

system

depress

button.

drive

both

speaker

systems:

depress

and

buttons.

For

headphone

listening

only:

keep

both

buttons

released.

the

TAPE

indicator

lights

up,

press

the

TAPE

but¬

ton

disengage

it.

Press

the

appropriate

function

select

button.

For

auxiliary

source

connected

the

AUX

jacks,

press

AUX.

For

program,

press

CD.

For

tuner

program,

press

TUNER.

For

record

program,

press

PFIONO.

Start

the

program.

Adjust

the

volume

with

the

VOLUME

control.

LISTEN

TAPED

PROGRAM

l|]

tlrrnrmr—ir-|rnl|

;

ik.!

—[_

—

fll

Tape

deck

(for

playback)

Depress

the

POWER

switches

the

amplifier

and

the

tape

deck

ON.

Select

the

speaker

system

with

the

SPEAKERS

select

button.

Press

the

TAPE

button.

Start

playback.

Adjust

the

volume

with

the

VOLUME

control.

Use

the

BASS

and

TREBLE

tone

controls

according

the

room

acoustics.

Depress

the

LOUDNESS

switch

when

listening

the

program

source

low

volume.

Example

the

signal

flow:

When

listening

taped

program.

Use

the

BASS

and

TREBLE

TONE

controls

according

the

room

acoustics.

Depress

the

LOUDNESS

switch

when

listening

the

program

source

low

volume.

The

TAPE

button

has

priority

over

the

function

buttons

(PFIONO,

TUNER,

and

AUX)

they

are

engaged

the

same

time.

Example

the

signal

flow:

When

listening

program.

TAPE

RECORDING

TROUBLE

CHECKS

RECORD

You

can

record

any

program

source

using

tape

recorder

connected

the

TAPE

RECORDER

REC

OUT

jacks.

Depress

the

POWER

switch

ON.

Select

the

program

recorded

with

the

function

select

button.

the

TAPE

indicator

lights

up,

'press

the

TAPE

button.

Start

the

program

and

set

the

tape

deck

recording

mode.

The

VOLUME

and

TONE

controls

and

the.LOUDNESS

switch

have

effect

recording.

Monitgring

3-head

tape

recorder

your

tape

deck

has

separate

record

and

playback

head,

you

can

monitor

the

recording

results

pressing

the

TAPE

button.

listen

the

program

source,

release

the

TAPE

button

and

press

the

appropriate

func¬

tion

select

button.

this

case,

the

recorder

should

connected

the

TAPE

inputs

and

REC

OUT

jacks

and

its

tape

monitor

switch

should

the

TAPE

position.

Should

any

problem

persist

after

you

have

made

these

checks,

consult

your

nearest

Sony

service

facility.

Before

going

through

the

check

list

below,

first

refer

back

the

connection

and

operating

procedures.

audio

•

Check

speaker

and

program

source

connections.

•

Check

the

settings

the

TAPE

and

FUNCTION

select

buttons.

Release

the

TAPE

button

when

not

listening

taped

program.

•

Check

the

setting

the

SPEAKERS

select

buttons.

•

Turn

the

volume.

audio

from

one

channel

unbalanced

left

and

right

volume

•

Adjust

the

BALANCE

control.

•

Check

the

speaker

and

input

connections

the

in¬

operative

channel.

Abrupt

loss

sound

from

one

both

the

speakers

•

Turn

off

the

amplifier

and

check

the

speaker

terminals

speaker

cord

for

short.

•

Reduce

the

volume

and

wait

few

minutes

see

the

power

turned

again.

Lack

bass

sound

obscure

instrument

position

•

Check

the

speaker

connection

for

proper

phasing.

Severe

hum

noise

•

Keep

the

connecting

cords

away

from

transformers

motors

and

least

meters

(10

feet)

from

sets

and

fluorescent

lights.

•

the

set

and

audio

components

are

too

together

not

use

both

set

and

audio

components

the

same

time.

both

are

used

the

same

time,

separate

the

set

from

the

audio

components.

•

Ground

the

turntable

system.

•

Make

secure

connections.

•

Wipe

the

plugs

and

jacks

with

cloth

lightly

dampen¬

with

methanol.

•

This

symptom

may

caused

when

the

protection

circuits

activate.

SPECIFICATIONS

AUDIO

POWER

SPECIFICATIONS

POWER

OUTPUT

AND

TOTAL

HARMONIC

DISTORTION:

With

ohm

loads,

both

channels

driven,

from

40-20,000

Hz;

rated

watts

per

channel

minimum

RMS

power,

with

than

0.08%

total

harmonic

distor¬

tion

from

250

milliwatts

rated

output.

OTHER

SPECIFICATIONS

Amplifier

section

Power

bandwidth

(IHF)

kHz

Dynamic

headroom

1.2

(78

IHF)

Harmonic

distortion

Less

than

0.08%

rated

output

Intermodulation

(IM)

distortion

i60

kHz

Less

than

0.08%

rated

output

Frequency

response

PHONO

RIAA

equalization

curve

±0.5

TUNER

AUX

kHz

±3.0

TAPE

Residual

noise

Less

than

100

ohms,

network

Damping

factor

ohms,

kHz)

Inputs

Sensitivity

Impedance

Maximum

input

capability

kHz)

S/N

(weighting

network,

input

level)

PHONO

2.0

kilohms

120

(A.

2.0

mV)

TUNER

AUX

TAPE

150

kilohms

—

dB*

(A.

150

mV)

IHF

Outputs

REC

OUT

Voltage

150

Impedance

4.7

ohms

SPEAKER

Accepts

speakers

ohms.

HEADPHONES

Accepts

low

impedance

head¬

phones.

Tone

controls

BASS

±8

100

(turnover

freq.

300

Hz)

TREBLE

±7

kHz

(turnover

freq.

kHz)

Loudness

(Att.

dB)

100

General

System

Preamplifier

section

low-noise

type

equalizer

amplifier

Power

amplifier

section

quasi¬

complementary

SEPP

OTL

OCL

power

amplifier

with

all

stages

direct

coupled

Power

requirements

120

ac.

Power

consumption

outlets

switched

total

100

watts

max.

unswitched

100

watts

max.

Dimensions

430

106

285

(w/h/d)

(17'/e

4‘/<

iii/

inches)

including

projecting

parts

and

controls

Weight

Approx.

4.8

(10

lbs

oz)

net

Approx.

6.3

(13

lbs

oz)

shipping

carton

Design

and

specifications

subject

change

without

notice.

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