Sony STR-6055 Guida all'installazione

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SO

N Y

STEREO RECEIVER

STR-6055

OWNER'S

INSTRUCTION

MANUAL

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The

SONY

model

STR-6055

is an FM s

tereo

/

FM-AM

Receiver

which

provides

brilliant

sound

and

versatile

operation

in

your

s

tereo

system

.

Before

operating

the

STR-6055,

read

this

instruction

manual

carefully

and

save

it

for

future

reference

.

TABLE OF

CONTENTS

PREPARING FOR USE ..

Unpacking

........

......

System

Connections

..

Antennas

Speakers

..........

Record

players

2

4

5

Tape

recorders

. .......... ....

..

..... ....... .........

..

.

.......

.........

..

6

Headphones

....

.....

..

.....

..

............

......

......... .........

..

6

Ground

connection

Power

connect

ion ... ......

..

......

.........

.

Custom

Mounting

.

.............

......

TAC-5E

cabinet

......

.....

.......

Panel

mounting

. .

.......

........

..

.

.....

...

.....

.

OPERATING

INSTRUCTIONS

.........

.

Location

of

Controls

and

Connectors

.. .........

........

...

Function

of

Controls

......................

..

....

How

to

Use

Your

STR-

6055

for

FM

Reception

How

to

Use

Your

STR-6055

for

AM

Reception

Using

Your

STR-6055

with

External

Inputs

..........

6

7

9

With

a

record

player

................................................... 9

With

a

tape

recorder

.......

..

....... ...................

.......

....

..... 9

Balancing

the

Stereo

System

.. ......................... ... ............

10

Stereo

balance

.

....................

............

.......

... .....

.....

..

.....

10

Speaker

phasing

check

....

..

...........

....

...........................

10

CARE

OF

YOUR

EQUIPMENT

. .........

.....

..

.. ..

..................

.....

10

Cleaning

..................

...... ...

......

.............................

10

Trouble

Checks

.......

... .................................

..

...

..............

10

Repacking

for

Shipment.

..................................... ............

11

TECHNICAL

DATA

..

.. .

..

. ......

.....

.............

..

....

........

11

Technical

Specifications

.....

..

........................

..

................ 11

Block

Diagram

....

..

...........

...

..

..........

........

...................... .

12

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AM

411111

AU

X2

--

..

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PREPARING FOR USE

WARRANTY

An

application

for

free

3-

year

factory

service

warranty

is

included

with

the

STR-6055

. Fill in

the

application

and

mail

it

within

10

days

of

the

date

of

purchase

.

UNPACKING

All SONY

equipment

comes

to

you

carefully

packed in

cartons

designed

to

withstand

the

rigors

of

shipment.

Do

not

throw

this

carton

or

the

associated

packing

material

away;

they

will

come

in

handy

if

you

ever

have

to

transport

or

ship

your

STR-6055.

Inspect

your

STR-6055

immediately

for

signs

of

damage

incurred

in

transit.

If

damage

has

occured,

consult

your

local

SONY

dealer

for

further

instructions

. Once again, save all

packing

materials;

it

will

substantiate

your

damage

claim

.

SYSTEM

CONNECTIONS

No

doubt

you

have

already

decided

on a

location

for

your

STR-

6055.

However,

before

go

i

ng

ahead

with

the

installation

, make

sure

that

your

choice

of

location

agrees

with

the

following

list

of

DO's and DON'

T's

.

DO

allow

at

least 1

inch

clearance

around

the

STR-6055

for

ventilation.

allow

sufficient

room

behind

the

STR-6055

so you can

make

connections

to

the

rear panel

without

disrupti

ng

your

entire

setup

.

DON'T

remove

the

chassis cover. Refer

servicing

to

qualified

personnel.

DON'T

place

the

STR-6055

in

direct

sunlight

,

or

near

radiators,

hot-air

ducts,

or

any

other

source

of

heat

.

Similarly,

don't

place

it

in

any

area

subject

to

freezing

temper

-

atures

or

excessive

moisture.

DON'T'

place

the

STR-6055

on

any

soft

surface

which

may

block

the

bottom

ventilation

holes

.

DON'T

place

anything

on

top

of

the

cabinet

which

might

block

the top

ventilation

slots.

DON

'T

connect

the

STR-6055

to

power

sources

other

than

those

for

which

it

is designed.

The

proper

power

source

is

117

volts

,

60

Hz (cycles) ac. Do

not

operate

the

receiver

where

the

line

voltage

is

over

1

28

volts

.

After

you

have

found

a

suitable

location

for

your

STR-6055,

you

can

begin

making

the

basic

connections

described in

the

following

paragraphs. Refer

to

the

dverall-system

connection

diagram

while

making

these

connections

.

2

A-m

external antenna Fm extern

al

antenna

Fm ribbon antenna

Antennas

Ground

w

ir

e

to

ground

l H

U·~'

Record player with a

magnetic

ca

rtridge

Connecting cord

RK

-

81

j

~

to

line outputs

to

I

AUX

21

(

front

paneO

FM

0

GROU

ND

ANTE~•

~N""

8

"---;-,.=-i--,-=.._;;;

MA

lN

t

D 1 1 I Remote speakers

REMOTE

AC

OU

TLE

r

500W

Connecting cord

RK

-74

Stereo tape recorders

ib:===l=

t=o,;,J=H=

EA

=D=P=

HO

=N=E,;,]=(=

fr

=

on

=t,;,

pa

=

nc

=

IJ

===

==

=

====

===

==

===tj::J::

-E]

to an wall

outlet

to

auxi

liary

inputs

I

to

REC

/

PB

Headphones

3

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Antennas

The

sensitivity

of

the

STR-6055

is so

great

that

in

most

areas

it

will

work

well

with

simple

antennas

such

as

the

ribbon

dipole

antenna.

However,

for

the

very

best

fm

reception

pos

s

ible,

particularly

at

problem

locations

, a

more

elaborate

antenna

may

be

necessary

.

The

factors

determining

the

minimum

antenna

requirements

for

your

location

include

the

following

:

1.

How

strong

are

the

fm

signals

in

your

neighborhood?

2.

Are

all

the

fm

stations

in

the

same

direction

,

or

are

they

scattered

all

over?

3. Is

multipath

reception

a

problem?

As

far

as

signal

strength

is

concerned,

many

city

dwellers

do

extremely

well

using

just

a

ribbon-type

fm

dipole

or

the

familiar

"

rabbit

ears

".

The

rabbit

ear

antenna

is

the

more

preferable

of

the

two

since

it

can

easily

be

rotated

and

otherwise

adjusted

for

best

reception

.

However

, in

the

far

suburbs,

a

high

-

gain

highly-directive

outdoor

fm

antenna

is

necessary

to

secure

the

best

signal

-

to-noise

ratio

on

stereo

broadcasts.

Omnidirectional

antennas

are

quite

handy

if

the

local

fm

stations

is in

different

directions

and

you

don't

want

to

use a

rotator.

However,

if

"fm

ghosts"

(multipath

reception)

cause

the

problems

described

in

the

you

must

use a

highly-directive

antenna

and

rotator,

or

several

highly-directive

fixed

antennas

.

4

Ribbon dipole antenna,

rabbit

ears

type antenna

Directional

outdoor

antennas

Multi-element type

8

Dipole antenna picks

up

signa

ls

from

both

the

front

and rear equally well.

Increased sensitivity

to

front

signals

Reduced sensitivity

to

rear signals

High

frontal

sensitivity

Low

sensitivity

to

rear signals

Multi-element type

has

narrower

pickup

pa

ttern

Multipath

Reception

Good

fm

reception

depends

not

only

on

the

sensi

tivity

of

the

tuner

but

on

the

quality

of

the

received

signal.

The

mo

st

important

factor

affecting

signal

quality

is

"multipath

"

reception

.

Multipath

reception

is

the

arrival

of

a

signal

at

an

antenna

from

several

points,

the

result

of

signal

reflections

from

tall

buildings

or

bridges

,

just

to

cite

a

few

examples

.

These

signals

arrive

at

the

antenna

at

different

times,

depending

upon

the

lengths

of

the

paths

they

travel.

The

addition

of

these

signals

at

the

tuner

can

produce

audible

distortion

and

loss

of

channel

separation

.

Multipath

reception

is a

condition

that

depends

solely

upon

the

surroundings

and

local

terrain

.

Direct

signal

?,e\\ecte

ci

s\gnal

An

antenna

which

~

has

high

frontal

sensitivity rejects

the reflected signals. -.·_.

•··

''%

OJ

.

Connecting

the

FM

Antenna

Lead

The

STR-6055

accepts

300-

ohm

transmission

line

(twin

lead).

The

300-ohm

twin

lead

may

be

either

the

standard

or

shielded

type.

Standard

300-ohm

twin

lead is

inexpensive

and

will

be

perfectly

adequate

for

most

installations.

However

, in cases

where

local

noise

or

multipath

pickup

on

the

transmission

line

causes

interference,

a

shielded

transmission

line

must

be used.

A

matching

transformer

can

be

used

,

but

300-ohm

shielded

twin

lead is

preferable

because

most

fm

antennas

are

designed

to

directly

match

a

300

-

ohm

impedance

line

.

To

connect

standard

300-ohm

twin

lead

to

the

STR-

6055,

loosen

the

ANTENNA

terminals

marked

FM

300

Q.

Strip

the

plastic

insulation

from

the

two-conductor

lead-in

wire

and

wrap

each

conductor

around

a

terminal.

Tighten

the

terminal

screws

.

To

connect

shielded

300

-ohm

twin

lead

to

the

STR-6055

,

connect

the

two

conductors

as

described

above

,

then

connect

the

shield

drain

wire

to

the

GROUND

terminal

on

the

antenna

terminal

plate.

GROUND FM

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Antenna

Orientation

First,

tune

in

the

desired

station

by

adjusting

the

TUNING

kn

ob

for

a

center-channel

meter

indication;

then,

adjust

the

antenna

direction

and

height

for

clearest

sound.

o

If

distortion

is

audible,

adjust

the

direction

and

/

or

height

of

the

antenna

until

the

distortion

is

eliminated

.

Often

a

slight

turn

will

be

sufficient.

o

In

some

cases

multipath

reception

on

two

or

more

stations

may

require

the

antenna

to

be

p.Jinted in

several

different

directions.

An

effective

and

relatively

inexpensive

solution

to

this

problem

is

the

use

of

a

remote-controlled

antenna

rotator.

o

Keep

the

antenna

lead-in

wire

as

short

as

possible

and

avoid

long

horizontal

runs

to

minimize

signal

pickup

on

the

line

.

The

use

of

shielded

cable

is

recommended

in

multipath

areas.

o

If

an

outdoor

antenna

cannot

be

erected,

use

a

good

indoor

antenna;

rabbit

ears

are

satisfactory.

Adjust

the

antenna

for

minimum

distortion

by

listening

to

the

quality

of

the

sound

.

A

-m

Reception

Pull

down

the

built-in

bar

antenna

located

at

the

rear

of

the

set. In

most

cases,

this

ferrite-bar

antenna

will

provide

optimum

a-m

reception.

In

difficult

reception

areas

an

outdoor

antenna

will

be

helpful.

Connect

a

length

of

wire

,

at

least

16

feet

long

,

to

the

AM

ANTENNA

terminal.

The

signal

strength

of

the

a-m

station

is

indicated

on

the

tuning

meter

;

the

stronger

the

signal,

the

greater

the

deflection

toward

the

right.

Speakers

The

STR-6055

can

drive

two

speaker

systems

,

main

and

remote,

simultaneously

or

independently.

B

oth

systems

are

turned

on

or

off

with

the

SPEAKER

selector

on

the

front

panel.

The

speakers

connected

to

these

terminals

should

have

an

impedance

of

4-

16

ohms.

Location

:

In

many

home-entertainment

stereo

systems

,

the

choice

of

speaker

location

is

often

limited

by

the

existing

fur-

niture

arrangement.

However,

if

rearrangement

is

possible

,

or

you

wish

to

furnish

the

area

specifically

for

stereo

li

stening

,

here

are

a

few

suggestions

for

optimizing

your

listening

pleasure

.

Set

up

your

speakers

in a

large

room

having

a

rug

on

the

floor

.

If

the

room

has

heavy

drapery,

so

much

the

better

.

Rugs

,

dra-

pery,

and

upholstered

furniture

minimize

the

multiple

reflections

of

high-frequency

sound

that

occur

in a

bare

room

and

which

degrade

the

stereo

effect

.

The

usual

speaker

location

is on

the

floor

against

a

wall.

If

you

must

position

the

speakers

off

the

ground,

do

not

put

them

higher

than

eye-level.

Because

of

psychological

conditioning,

sound

coming

from

the

vicinity

of

the

ceiling

gives

an

unnatural

feeling

.

Corner

locations

,

however,

are

ideal

for

emphasizing

the

bass

notes

.

The

distance

between

the

right-

and

left-channel

speaker

system

in a

stereo

system

is

important

to

the

stereo

effect.

Closely-

spaced

speakers

produce

minimum

stereo

effect

.

Widely

-sepa-

rated

speakers

produce

maximum

stereo

effect,

although

if

the

separation

is

too

great,

the

unnatural

"ho

le

-in-the-midd

le "

effect

appears

.

The

proper

distance

between

speakers

is

directly

re-

lated

to

the

distance

from

the

speakers

to

the

listening

areas

.

In

most

cases,

fine

results

are

obtained

if

the

speakers

are

separated

by

an

amount

slightly

more

than

the

distance

from

the

listening

area

to

each

speaker.

In

any

case,

experiment

with

different

speaker

and

l

isten

ing

locations

until

you

find

the

setup

that

pleases

you

most

.

Cable

Type:

The

type

of

wire

used

to

connect

the

speakers

to

the

receiver

is

not

critical

in

most

home

stereo

systems

.

Ordi-

nary

dual

-

conductor

lamp

cord

is

often

used

for

this

purpose

.

Common

18

gauge

lamp

cord

is

fine

for

distances

of

under

35

feet.

However

,

14

to

16

gauge

wire

may

be

needed

for

long

runs

to

low

impedance

speakers

to

prevent

excessive

power

losses in

the

wiring

.

If

you

use

lamp

cord

or

any

other

stranded

wire,

make

sure

that

none

of

the

strands

separates

from

its

group

and

shorts

across

the

speaker

or

receiver

terminals.

Connection:

Connect

your

speaker

system

to

the

MAIN

SPEAK-

ER

terminals

.

Connect

the

right

and

left

speakers

to

the

R

and

L

speaker

terminals

respectively.

To

properly

phase

the

speakers

,

make

the

connections

so

that

the

positive

(+ )

terminal

of

the

speaker

connects

to

the

positive

(+ )

terminal

of

the

STR-6055,

and

the

remaining

lead

of

the

cord

connects

the

negative

(- )

terminals

on

the

speaker

and

the

receiver

.

This

is easy

to

do

if

one

of

the

wires

in a

lamp

cord

pair

is

coded.

Most

lamp

cord

is

coded

by

means

of

a

ridge

molded

along

one

conductor,

or

a

colored

thread

included

with

the

stranded

wires

of

one

conductor.

If

you

are

also

using

remote

speakers,

connect

them

to

the

REMOTE SPEAKER

terminals

as

described

above

.

Notes

on

Input

Connections

For

input

connections,

use

low

capacitance

shielded

cable

.

Keep

the

cables

as

short

as

possible.

When

reconnection

is

required,

turn

the

VOLUME

control

counter-

clockw

ise.

To

use

the

supplied

phono

plug,

see

the

illustrations

below

.

Shielded

wire

(available

on

the market) Shield

Core Phono plug

Solder

Insert

after

soldering

Record

Players

Record

players

equipped

with

a

magnetic

(moving

magnet

or

moving

coil)

cartridge

or

similar

low-output

cartridges

can

be

connected

to

the

PHONO

inputs

of

the

STR-

6055

.

These

PHONO

input

connectors

are

equalized

for

RIAA

characteristics.

If

hum

is

heard

when

playing

discs,

it

is

usually

the

result

of

poor

or

incorrect

grounds

between

the

tone

arm

and

the

STR-

6055

. In

this

case,

connect

a

ground

wire

between

the

turntable

base

and

the

GROUND

terminal

of

the

STR-6055

.

Try

revers-

ing

the

ac

line

cord.

Check

your

turntable;

if

the

tone

arm

is

mounted

on

a

wood

surface,

it

may

be

necessary

to

make

a

ground

connection

between

the

base

of

the

tone

arm

and

the

STR-6055.

5

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Tape

Recorders

Stereo

tape

recorders

can be

connected

to

the

STR-6055

for

playback

and

recording

.

For

playback,

connect

a

stereo

tape

recorder

or

tape

deck

to

the

TAPE

connectors

of

the

STR-6055.

(The

AUX

1,

2

inputs

also

accept

the

output

of

a

tape

recorder

.)

For

recording,

connect

a

stereo

tape

recorder

or

tape

deck

to

the

REC

OUT

connectors

of

the

STR-6055

.

If

your

tape

recorder

or

tape

deck

uses

the

same

type

REC

/

PB

(DIN)

connector

as

that

on

the

STR-6055,

the

record

/

playback

connections

can be

made

with

a

single

REC

/

PB

connector

cable

.

When

the

REC

/

PB

connector

of

your

tape

recorder

is used, dis-

connect

the

input

and

output

connections

between

the

receiver

and

the

tape

recorder

.

Headphones

The

HEADPHONE

jack

accepts

all

low-

and

high-impedance

stereo

headphones

equipped

with

a

standard

binaural

phone

plug.

For

private

listening

,

turn

the

SPEAKER

switch

to

OFF.

The

head-

phone

output

is

not

affected

by

the

SPEAKER

switch.

The

HEADPHONE

jack

can

also

be used as

output

connector.

In

this

case,

the

output

level

can be

adjusted

by

the

use

of

the

VOLUME

controls

on

the

STR-6055.

For

this

connection

,

the

SONY

RK-81

Connecting

Cord is

recommended

.

Ground

Connection

Connect

the

ground

wire

from

the

record

player,

or

other

sound

components

connected

to

the

STR-6055

to

the

GROUND

terminal

of

the

receiver

.

If

hum

occurs

,

connect

the

GROUND

terminal

to

a

convenient

earth

ground,

such

as

the

mounting

screw

of

an ac

outlet

cover

plate.

A

more

direct

earth

ground

(preferably

a

cold-water

pipe) is

recommended

for

lightning

protection

when

an

external

antenna

is used.

Power

Connection

Before

mak

i

ng

any

form

of

power

connection,

make

sure

the

STR-6055's

POW

ER

switch

is OFF. T

hen,

you

can

plug

the

STR-6055

's

line

cord

into

the

ac

line

outlet

. O

nce

again,

the

required

power

source

is 11 7

volts,

60 Hz ac.

The

female

outlet

on

the

rear

panel

is

not

controlled

by

the

P

OWER

switch

on

the

front

panel.

The

connected

component

must

be sw

itched

off

independently.

M

aximum

power

from

this

outlet

is

500

w

atts

.

6

CUSTOM

MOUNTING

T

AC

-5E

Cabinet

An

attractive

oiled

walnut

cabinet

,

the

SONY

TAC

-5E, is

available

as an

optional

accessory

.

To

install

the

receiver

in

this

cabinet

,

proceed

as

follows

:

1.

Remove

the

four

rubber

feet

from

the

bottom

of

the

receiver

and

slide

the

receiver

into

the

cabinet

.

2. Fasten

the

receiver

chassis in

place

with

the

four

long

s

crews

supplied

with

the

TAC

-5E.

The

screws

pass

through

the

rubber

feet

,

the

bottom

of

the

cabinet

, and

into

the

receiver

.

0

Although

the

STR-6055

dissipates

little

heat

,

make

sure

that

the

cabinet

is

ventilated

adequately

,

and

that

the

ventilation

holes

in

the

STR-6055

are

not

blocked.

Avoid

installation

in

locations

subjected

to

excessive

dust

or

moisture.

Ii>

...

TAC

-

5E

Panel

Mounting

If

the

STR-

6055

is

to

be

mounted

in a

cabinet,

the

opening

in

the

cabinet's

panel

sh

ould

conform

to

the

dimensions

given

in

the

illustration.

www.SteamPoweredRadio.Com

OPERATING

INSTRUCTIONS

LOCATION

OF

CONTROLS

AND

CONNECTORS

LO

UDN

ESS

switch

VOLUME

controls

POWER switch

H

EA

DPHONE jack

S

PEA

K

ER

switch

BASS TONE co

nt

ro

ls

TREBLE TONE c

ontr

ols

HI

GH FILTER switch

MUTING

swit

ch

FM

ANTENNA

terminals

AM

ANTENNA

termin

al

GROUND

termin

al

PHONO c

onnectors

AUX

1

connectors

TAPE c

onnectors

REC

OUT

connectors

REC

/

PB

connector

CT

0

F

CO

T

Before

attempting

to

operate

yo

ur

STR-

6O55

,

take

a

few

min-

utes

to

learn

the

functi

on

and

location

of

the

control

s,

and

other

parts

mentioned

in

the

operating

instructions

.

The

locati

ons

are

shown

in

the

illu

s

tratio

n,

and

the

functions

are

described

below.

POWER

switch

Turn

s

the

o

perating

power

on or o

ff

.

The

di

al

will

light

wh

en

this

switch

is s

et

to

ON.

VOLUME

controls

TUNING met

er

TUNIN

G kn

ob

STER

EO

indicator

AUX 2 conn

ecto

r

FUNCTION

se

lect

or

knob

FUNCTION

se

l

ec

t

or

lever

MONITOR

sw

it

ch

MODE

se

l

ec

tor

Bar

ant

enna

MAIN SPEAKER t

er

minals

REMOTE SPEAKER terminals

Ac

power

c

ord

AC

OUTLET

Regulate

the

so

und

level

of

ea

ch

channel.

A

fricti

on

clutch

permits

both

knob

s to

rotate

simultaneously

or

separately

.

The

upper

kn

ob

con

-

trols

the

right

channel

,

and

the

lower

knob

co

nt

rols

the

left

channel.

To

increase

the

so

und

level,

turn

the

knobs

clockwise

.

Do

not

tune

in a

s

tation

or

change

the

input

source

with

these

controls

set

for

a

high

so

und

level.

For

balancing

the

stereo

sound

,

turn

one

knob

while

holding

the

other

s

tationary

.

7

www.SteamPoweredRadio.Com

LOUDNESS

switch

When

listening

at

low

sound

level

s, s

et

thi

s

switch

to

ON. In

this

position

, an

equalization

network

is

switched

into

the

circuit

to

compensate

for

the

change

in

the

tonal

response

of

human

hearing

at

low

sound

levels

.

The

LOUDNESS

switch

will

boost

the

low

-

and

high

-

frequency

response

to

provide

an

apparently

flat

output

.

SPEAKER

switch

REMOTE

position:

OFF

position

:

MAIN

position

:

BOTH

position

:

For

using

the

remote

speakers

only.

To

swit

ch

the

speakers

off.

For

private

lis-

tening,

insert

any

low-

or

high-impedance

stereo

headphones

into

the

HEADPHONE

jack

and

set

the

switch

to

this

position

.

For

using

the

main

speakers

only

.

For

using

both

main

and

remote

speakers

simultaneously

.

BASS

TONE

controls

Turn

these

controls

clockwise

to

increase

the

low-frequency

MODE

selector

Operate

as

follows

:

Position

-

REVERSE

---

STEREO

L+ R

LEFT

I RIGHT

MONITOR

switch

Input

L

(left)

R(right)

L

R

L

R

L

R

L

R

--

Output

=======--======

L

(left)

R(right)

L

R

---

>-------< L

R

--

-----------=-

L

R

-=========

L

R

Taped

programs

connected

to

the

TAPE

connectors

or

to

the

REC

/

PB

connector

can be

played

back

by

setting

this

selector

to

TAPE.

For

all

other

program

sources

, set

this

switch

to

SOURCE

and

set

the

FUNCTION

selector

lever

and

knob

to

their

proper

positions.

This

selector

can also be used as a

source

/

tape

comparator

when

using

a

3-head

tape

recorder

or

tape

deck.

The

recording

signal

is

monitored

when

the

switch

is

set

at

SOURCE. In

this

case,

the

recorder

should

be

connected

to

the

TAPE

and

REC

OUT

connectors

of

the

STR-6055.

FUNCTION

selector

lever

PHONO

position

: Enables

you

to

listen

to

records

played

Center

position

:

AUX

1

position

:

8

on

the

phonograph

connected

to

the

PHONO

connectors

on

the

rear

panel.

Enables

you

to

listen

to

the

program

source

determined

by

the

FUNCTION

selector

knob.

,---

F

UNC

TIO

N:___.,

A\.110

STCREO--

FM

, M

ON0-

1------

~(

ux

>- @

Selects

the

input

source

connected

to

the

AUX

1

connectors

on

the

rear

panel.

I

re

s

ponse

in

both

channels

.

The

center

pos1t1on

provides

a

flat

re

s

ponse.

Left

and

right

channels

can be

controlled

independently

.

TREBLE

TONE

controls

Turn

the

se

controls

clockwise

to

increase

the

high

-

frequency

re-

sponse

in

both

channels

.

The

center

position

provides

a

flat

response

.

Left

and

right

channels

can be

controlled

independently

.

HIGH

FILTER

switch

Set

this

switch

to

ON

to

insert

this

filter.

This

switch

reduces

high-frequency

noise

such

as

the

surface

noise

of

discs

or

tapes

when

reproducing

old

or

poor

quality

recordings

,

or

high-

frequency

distortion

in

discs

or

tapes.

MUTING

switch

This

switch

is

usually

set

to

ON. In

this

position,

fm

interstation

noise

is

eliminated

while

tuning

from

station

to

station.

However

,

very

weak

stations

may

also be

muted

along

with

the

noise.

Therefore,

weak

stations

must

be

tuned

with

the

MUTING

switch

set

to

OFF. In

this

case,

keep

the

volume

down

when

detuning

to

avoid

the

sudden

change

in

noise

level.

Use

--

Reverses

right

and

left

stereo

sound.

Normal

stereo

sound

For

balancing

right

and

left

channel

sound

level

For

recording

with

a

monaural

tape

recorder

Delivers

left

or

right

channel

only,

according

to

the

position

LEFT

or

RIGHT.

I

FUNCTION

selector

knob

FM

AUTO

STEREO

position

:

FM

MONO

position

:

AM

position

:

AUX

2

position

:

Enables

you

to

listen

to

the

fm

stereo

programs.

In

this

position

the

set

will

automatically

switch

to

stereophonic

reception

when

a

multiplex

fm

stereo

program

is

tuned

in.

When

the

program

source

is

changed

to

a

monophonic

signal,

the

STR-6055

will

automatically

switch

to

monophonic

reception

.

Provides

monophonic

reception

of

fm

stereo

and

monophonic

programs.

Use

this

position

if

an

fm

stereo

program

is

weak

or

noisy.

Enables

you

to

listen

to

a-m

broadcast

programs.

Selects

the

program

source

connected

to

the

AUX

2

input

(binaural

jack)

on

the

front

panel.

www.SteamPoweredRadio.Com

Po

s

ition

of

the P

ositio

n

of

th

e

To

listen

to

FUNCTION FUNCTION

selector l

eve

r

se

lector

knob

AUX

1

input

source

r

•ux,

a

ny

phonograph records

!_

eaoNo

any

AUTO

S

TEREO

-

0

FM

fm

stereo program

FM

fm

monophonic

OONO

-

program

,_

(}AM

a-m

broadc

as

t

program

AUX

2

input

source

G-AUX2

TUNING

knob

Turn

this

knob

to

tune

in

the

desired

station

. Use

the

tuning

meter

to

facilitate

tuning

.

Tuning

meter

1

1~~

11

Indicates

the

relative

signal

strength

of

the

selected

a-m

station

,

and

channel

center

for

the

selected

fm

station

. U

se

this

meter

to

precisely

tune

your

receiver

.

STEREO

lamp

The

red

stereo

lamp

will

light

when

an

fm

stereo

program

is

tuned

in.

Also,

the

lamp

will

usually

light

on

excessive

noise

.

HOW

TO

USE

YOUR

STR-6055

FOR

FM

RE:Cl:PTION

1.

Tu

rn

the

POWER

switc

h

to

ON.

2.

Set

the

MONITOR

se

l

ecto

r

to

SOURCE.

3.

Set

the

SPEAKER s

wit

ch to

the

proper

position

.

4.

S

et

the

MODE

switc

h

to

STEREO

and

the

MUTING

switch

to

ON.

5. S

et

the

FUNCTION

select

or

lever

to

the

center

position

and

the

FUNCTION

selecto

r

knob

to

AUTO

STEREO.

6.

Tune

in

th

e

desired

stat

i

on

by

turning

the

TUNING

knob.

Th

e

pointer

of

the

tuning

met

er

will

be

centered

when

a

sta

tion

is

correctly

tuned

in.

Whe

n

the

program

is stereo-

phonic

,

the

STEREO

lamp

will

light.

7.

Adju

st

the

so

und

level

and

tone

q

uality

by

turning

the

VOLUME,

BASS

and

TREBLE

TONE

con

trol

s.

8.

If

necessary

, set

the

HIGH FILTER s

witch

to

ON to

eliminate

high

frequency

noise

(hiss).

When

listening

at

low

sound

l

eve

ls,

if

desired,

push

the

LOUDNESS

swi

tch

to

ON.

HOW

TO

USE

YOUR

STR

6055

FOR

AM

RFr.FPTIO

1.

Flip

th

e POWER

swi

tch

to

ON.

2.

Set

the

MONITOR

s

witch

to SOURCE.

3.

Set

the

SPEAKER

switch

to

the

proper

position

.

4.

Set

the

MODE

selector

to

the

desired

position

.

5.

Set

the

FUNCTION

selector

lever

to

the

center

position

and

the

FUNCTION

se

lector

knob

to

AM.

6.

Tune

in

the

desired

station

by

turning

the

TUNING

knob

.

The

pointer

of

the

tuning

meter

will

swing

rightmo

st

when

a

station

is

correctly

tuned

in.

7.

Adjust

the

sound

level

and

tone

quality

.

8.

If

necessary

, use

the

HIGH FILTER

switch

and

the

LOUD

-

NESS s

witch

.

USING

YOUR

S

fR-6055

WITH

EXTERNAL

DI

I

C:

With

a

Record

Player

1.

Connect

a

record

player

to

the

PHONO

inputs

of

the

STR-

6055

.

2.

Turn

on

the

STR-

6055

and

the

connected

record

player

.

3.

Set

the

MONITOR

switch

to

SOURCE.

4.

Set

the

SPEAKER

switch

to

the

proper

position

.

5.

Set

the

MODE

selector

to

STEREO.

6.

Set

the

FUNCTION

selector

lever

to

PHONO

.

7.

Adjust

the

sound

level

and

tone

quality

.

8.

If

necessary,

set

the

HIGH FILTER

switch

and

the

LOUDNESS

switch

to

ON.

With

a

Tape

Recorder

To

operate

a

tape

recorder

or

tape

deck

with

your

STR-

6055,

proceed

as

follows

:

For

playback

1.

Connect

a

tape

recorder

or

tape

deck

to

the

TAPE

AUX

1

connectors

,

AUX

2

connector,

or

REC

/

PB

connector

on

the

STR-

6055

.

9

Sony STR-6055 Guida all'installazione

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