Onkyo P-308 User manual

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1

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Artistry

in

Sound

ONK

YO.

“WARNING’’

|

¢

For

models

having

power

cords

with

a

polarized

plug.

“‘TO

REDUCE

THE

RISK

OF

FIRE

OR

CAUTION:

To

PREVENT

ELECTRIC

SHOCK

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

Sue

eyelet

te

THIS

APPLIANCE

TO

RAIN

OR

LET

UNLESS

THE

BLADES

CAN

BE

FULLY

INSERT-

“

ED

TO

PREVENT

BLADE

EXPOSURE.

MOISTURE.

e

Sur

les

modéles

dont

la

fiche

est

polarisée.

¢

This

appliance

complies

with

requirements

of

EEC

directive

‘

ATTENTION:

PouR

PREVENIR

LES

CHOCS

Stolt

Salace

ee

ey

ELECTRIQUES

NE

PAS

UTILISER

CETTE

FICHE

¢

Das

Gerdt

entspricht

den

Bestimmungen

der

EG-Richtlinien

2

82/499

/EWG.

POLARISEE

AVEC

UN

PROLONGATEUR,

UNE

PRISE

°

Cet

vid

répond

aux

spécifications

de

la

directive

CCE

DE

COURANT

OU

UNE

AUTRE

SORTIE

DE

COURANT,

82/499/cCcE.

SAUF

SI

LES

LAMES

PEUVENT

ETRE

INSEREES

A

*

Dit

apparaat

voldoet

aan

richtlizn

82/499/EEG.

FOND

SANS

EN

LAISSER

AUCUNE

PARTIE

A

¢

Apparatet

opfylder

kravene

i

EF

direktivet

82/499/EF.

DECOUVERT.

¢

Quest’apparecchio

é

stato

prodotto

i

in

confornita

alle

direttive

CEE

82/499/cEE.

P-30

Stereo

Preamplifier

Stereo-Vorverstarker

Préamplificateur

stéréo

Preamplificador

Estereofonico

Stereo

Voorversterker

Stereoforforstarkare

Instruction

Manual Manual

de

Instrucciones

Bedienungsanleitung

Gebruiksaanwijzing

Instructions

Bruksanvisning

ONKYO.

“WARNING”

‘BEFORE

TURNING

POWER

ON,

CHECK

ONCE

AGAIN

THAT

THE

UNIT

CAN

BE

USED

WITH

THE

LOCAL

POWER

SUPPLY.

REFER

TO

THE

POWER

SUPPLY

RATING

IN

THE

SPECIFICATIONS

AND

THE

VOLTAGE

SELECTOR

SECTION

FOR

DETAILS.”’

Installation

and

Handling

Observe

the

following

precautions

to

obtain

trouble-

free

performance

for

many

years.

1.

Avoid

places

subject

to

direct

sunlight

or

extreme-

ly

high

or

low

temperatures.

2.

Avoid

damp

or

dusty

places

and

places

directly

af-

fected

by

vibrations

from

the

speakers.

In

particu-

lar,

avoid

placing

the

unit

on

or

above

one

of

the

speakers.

3.

Avoid

unstable

locations

and

high

places

from

which

the

unit

could

fall.

4.

Ventilation

—

The

unit

should

be

situated

so

that

its

location

or

position

does

not

interfere

with

proper

ventilation.

For

example,

the

unit

should

not

be

placed

on

a

bed,

sofa,

rug

or

similar

sur-

face

that

could

block

the

ventilation

openings

or

placed

in

a

built-in

installation,

such

as

a

book-

case

or

cabinet,

that

could

impede

the

flow

of

air

through

the

ventilation

openings.

5.

Heat

—

The

unit

should

be

situated

away

from

heat

sources

such

as

radiators,

heat

registers,

stoves

or

other

appliances

(including

amplifiers)

that

produce

heat.

6.

Cleaning

of

the

internal

parts

should

be

performed

only

by

qualified

service

personnel.

7.

Spillage

—

Care

should

be

taken

so

that

objects

do

not

fall

and

liquids

are

not

spilled

into

the

en-

closure

through

the

openings.

8.

Damage

Requiring

Service

—

The

unit

should

be

serviced

by

qualified

service

personnel

when:

“CAUTION”

“TO

REDUCE

THE

RISK

OF

ELEC-

TRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-

SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.”

A.

The

power

supply

cord

or

the

plug

has

been

damaged;

or

Objects

have

fallen

or

liquid

has

been

spilled

into

the

unit,

or

C.

The

unit

has

been

exposed

to

rain,

or

D.

The

unit

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance,

or

E.

The

unit

has

been

dropped

or

the

enclosure

damaged.

9.

The

user

should

not

attempt

to

service

the

unit

beyond

the

procedures

described

in

the

operating

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

wo

Care

From

time

to

time

you

should

wipe

off

the

front

and

rear

panels

and

the

cabinet

with

a

silicon

or

other

soft

cloth.

For

heavier

dirt,

dampen

a

soft

cloth

in

a

weak

solution

of

mild

detergent

and

water,

wring

it

out

dry,

and

wipe

away

the

dirt.

Following

this,

dry

immediately

with

a

clean

cloth.

Do

not

use

rough

material,

thinner,

alcohol

or

other

chemical

solvents

or

cloths

since

these

may

damage

the

finish

or

re-

move

the

panel

lettering.

Note:

AC

Fuses

The

fuses

are

located

inside

the

chassis

and

are

not

user

serviceable.

If

power

does

not

come

on,

contact

your

Onkyo

dealer.

***WARNING***

BEFORE

TURNING

ON

POWER

FOR

THE

FIRST

TIME,

READ

THE

FOLLOWING

SECTION

CAREFULLY.

a)

Some

models

are

designed

for

use

only

with

the

power

supply

voltage

of

the

region

where

they

are

sold.

Canadian

models:

AC

120V,

60Hz

European

models:

AC

220V,

50Hz

British

and

Australian

models:

AC

240V,

50Hz

Worldwide

models:

AC

120V,

GOHz/AC

220V,

50Hz

Voltage

Selector

(rear

panel)

Worldwide

models

are

equipped

with

a

voltage

selector

to

conform

with

local

power

supplies.

Be

sure

to

set

this

switch

to

match

the

voltage

of

the

power

supply

in

your

area

before

turning

the

power

switch

on.

Voltage

is

changed

by

sliding

the

groove

in

the

switch

with

a

screwdriver

or

similar

instru-

ment

to

the

up

or

down

position.

Confirm

that

the

switch

has

been

moved

all

the

way

up

or

down

before

turning

the

power

switch

on.

If

there

is

no

voltage

selector

switch

on

the

unit

you

have

pur-

chased,

it

can

only

be

used

in

areas

where

the

pow-

er

supply

voltage

is

the

same

as

that

of

the

unit.

220V

~

|

220V

~

8

at

AC

220V

at

AC

120V

120V

~

120V

~

FOR

POWER

SUPPLY

CORDS

WITHOUT

PLUGS:

Replacement

and

mounting

of

an

AC

plug

on

the

power

cord

of

this

unit

should

be

performed

only

by

qualified

service

personnel.

e

IMPORTANT:

The

wires

in

the

power

cord

(mains

lead)

are

colored

in

accordance

with

the

following

code:

Blue:

Neutral

Brown:

Live

As

the

colors

of

the

wires

in

the

power

cord

of

this

unit

may

not

correspond

with

the

colored

markings

identifying

the

terminals

in

your

plug,

proceed

as

follows:

The

wire

which

is

colored

blue

must

be

connected

to

the

termina!

which

is

marked

with

the

letter

N

or

colored

black.

The

wire

which

is

colored

brown

must

be

connected

to

the

terminal

which

is

marked

with

the

letter

L

or

colored

red.

Front

Panel

Facilities

[8]

[9]

[to}

fi)

(12)

[13]

{4}

(19)

[17}

Power

Switch

(POWER)

:

Press

once

to

turn

power

on

and

once

again

to

turn

power

off.

When

power

is

turned

on,

the

orange

band

above

the

power

switch

lights.

Servo

Operation

Indicator

(SERVO

OPERATION)

A

few

seconds

after

the

power

is

turned

on,

the

Servo

Operation

Indicator

lights

green

indicating

that

the

Super

Servo

circuitry

has

stabilized.

No

sound

is

heard

from

the

speakers

until

this

indi-

cator

lights.

Recording

Indicator

(RECORDING

OUT)

Lights

when

the

recording

output

switch

(9)

has

been

pressed

to

indicate

that

the

unit

is

in

the

record/dubbing

mode.

Output

Switch

and

Indicator

(OUTPUT)

Depress

this

switch

to

the

OFF

position

to

turn

off

the

output

from

the

rear

panel

output

termi-

nals

(OUTPUT

1,

2).

The

green

band

above

the

switch

lights

when

the

switch

is

in

the

ON

posi-

tion.

This

switch

should

normally

be

left

in

the

ON

position.

Use

the

OFF

position

when

you

want

to

listen

using

only

the

headphones,

or

to

mute

the

speakers

when

you

need

to

answer

the

telephone,

for

example.

Input

Selector

Switches

and

Indicators

Use

these

switches

to

select

the

desired

pro-

gram

source.

The

switches

are

interconnected;

depressing

one

causes

the

previously

depressed

one

to

come

up.

An

indicator

lights

to

show

which

source

has

been

selected.

PHONO:

Depress

this

switch

to

listen

to

the

turntable

connected

to

the

PHONO

input

terminals.

CD:

Depress

this

switch

to

listen

to

the

compact

disc

player

con-

nected

to

the

CD

input

ter-

minals.

TUNER:

Depress

this

switch

to

listen

to

the

tuner

connected

to

the

TUN-

ER

input

terminals.

LINE-1:

Depress

this

switch

to

listen

to

the

component

connected

to

the

LINE-1

input

terminals.

{10

LINE-2:

Depress

this

switch

to

listen

to

the

component

connected

to

the

LINE-2

input

terminals.

TAPE-1

[DAT]:

Depress

this

switch

to

listen

to

the

tape

deck

connected

to

the

TAPE-1

input

terminals.

A

digital

audio

tape

recorder

(DAT)

should

be

connected

to

the

TAPE-1

input

terminals

rather

than

the

TAPE-2/3

terminals.

Depress

this

switch

to

listen

to

the

tape

deck

connected

to

the

TAPE-2

or

TAPE-3

input

termi-

nals

depending

on

the

position

of

the

tape

selector

switch

[13]

TAPE-2/3:

Volume

Control

(VOLUME)

Turn

clockwise

to

increase

the

volume

level.

The

volume

control

is

marked

in

decibels

so

out-

put

voltage

and

headphone

volume

can

be

read

off

directly

in

dB.

The

volume

control

is

linked

to

the

tone

control

circuitry.

Refer

to

the

‘‘About

the

Variable

Bass

and

Treble

Boosting

System”’

section

on

page

8

for

details.

Headphone

Jack

(PHONES)

Insert

a

standard

stereo

headphone

plug

into

this

jack

and

adjust

the

volume

using

the

vol-

ume

control

[6]

.

Output-2

Level

Controls

(QUTPUT-2

LEVEL)

Use

these

controls

to

adjust

the

output

levels

of

the

OUTPUT-2

terminals

on

the

back

panel.

The

left

and

right

channels

are

independent

of

each

other,

so

these

controls

can

also

be

used

to

ad-

just

the

balance.

Recording

Output

Switch

(RECORDING

OUTPUT)

Depress

this

switch

to

the

ON

position

when

you

wish

to

perform

recording

or

dubbing.

The

recording

indicator

[3]

lights

indicating

that

a

signal

is

being

routed

to

the

REC

output

ter-

minals.

Mode

Switches

(MODE)

Depress

these

switches

to

change

the

output

At

signal

from

the

OUTPUT-1

or

OUTPUT-2

output

terminals

from

stereo

to

mono.

OUTPUT-1

and

OUTPUT-2

can

be

controlled

indenendently.

12]

Recording

Source

Selectors

(REC.

SELECTOR)

This

unit

is

equipped

with

separate

recording

source

selectors

for

tape

decks

1

and

2&3

so

that

three

decks

can

be

used

to

record

two

different

program

sources

simultaneously

while

you

are

listening

to

yet

another

program

source.

PHONO:

Use

when

recording

from

the

turntable.

CD:

For

recording

from

the

compact

disc

player.

TUNER:

For

recording

from

the

tuner.

LINE-1:

For

recording

from

the

compo-

nent

connected

to

the

LINE-1

in-

put

terminals.

LINE-2:

For

recording

from

the

compo-

nent

connected

to

the

LINE-2

in-

put

terminals.

2/3

>»

1;

Use

for

tape

dubbing.

For

details,

1pm

2&3:

refer

to

the

‘‘Operations’’

sec-

tion.

Tape

Selector

(TAPE

SELECTOR)

Use

this

selector

to

switch

between

the

TAPE-2

and

TAPE-3

input

terminals

on

the

rear

panel.

Bass

Selector

Switch

(BASS

SELECTOR)

Use

this

switch

to

select

the

bass

frequencies

affected

by

the

bass

control

[15],

When

the

switch

is

in

the

depressed

position,

the

bass

control affects

the

low

bass

frequencies.

When

it

is

in

the

out

position,

the

mid

bass

is

affected

by

the

bass

control.

Bass

Control

(BASS)

Turn

to

the

right

of

the

center

(DEFEAT)

mark

to

emphasize

bass

and

turn

to

the

left

to

attenuate

bass.

Adjust

to

the

setting

appropriate

for

the

acoustics

of

your

listening

room

and

your

own

preference.

Treble

Control

(TREBLE)

Turn

to

the

right

of

the

center

(DEFEAT)

mark

to

emphasize

treble

and

turn

to

the

left

to

attenuate

treble

according

to

the

listening

room

acoustics,

etc.

When

the

treble

control

is

turned

all

the

way

to

the

left

(—

10),

it

operates

as

a

high

cut

filter.

Use

this

position

when

you

want

to

sup-

press

annoying

high

frequency

noise

such

as

static

and

tape

hiss.

Cartridge

Selector

Switch

(CARTRIDGE

SELECTOR)

Switch

this

selector

to

match

the

type

of

phono

cartridge

being

used.

Because

a

sudden

increase

in

volume

level

may

occur

when

switching

this

selector,

always

turn

the

volume

control

[6]

all

the

way

down

before

switching

to

a

different

position.

MM:

When

using

an

MM

type

cartridge,

switch

to

either

of

the

MM

positions

depending

on

the

cartridge’s

impedance

rating.

If

the

impedance

is

not

specified,

switch

to

the

47

kohms

position.

MC:

When

using

an

MC

type

cartridge,

switch

the

selector

to

the

MC

position

which

most

nearly

corresponds

to

the

output

im-

pedance

of

the

cartridge

being

used.

How-

ever,

if

a

step-up

transformer

is

used,

switch

to

one

of

the

MM

positions.

Line-2

Input

Terminal

(LINE-2)

This

pair

of

terminals

is

wired

in

parallel

with

the

LINE-2

terminals

on

the

rear

panel.

Use

only

one

set

at

a

time;

do

not

try

to

use

the

front

and

rear

terminals

simultaneously.

=

System

Connections

and

Rear

Panel

Facilities

Read

the

instruction

manuals

of

any

components

to

be

connected

to

this

unit

carefully

before

mak-

ing

any

connections.

Confirm

that

the

L

and

R

pin-type

cables

are

properly

connected

to

the

left

and

right

terminals.

If

they

are

not,

the

left

and

right

channels

will

be

reversed.

Also

confirm

that

all

pin-plugs

are

firmly

secured.

\f

a

plug

becomes

loose

and

proper

grounding

is

lost,

an

unpleasant

booming

noise

is

generated.

Furthermore,

always

handle

cables

with

adequate

care,

holding

the

plug

at

its

base,

not

the

cable

it-

self,

when

connecting

and

disconnecting.

Although

the

turntable

ground

lead

is

usually

con-

nected

to

the

amplifier

GND

terminal,

some

turnt-

ables

do

not

require

a

ground

connection.

Keep

the

pin-type

cables

as

far

away

as

possible

from

the

power

cord

and

power

transformer

area.

Otherwise,

hum

and

other

unwanted

noise

may

be

generated.

laver

vps

CD

playe

Tuner,

tape

deck

or

other

Power

Amplifier

——_—

audio

component

=

——————

bo

tf)

<

arr

=

ee

Ground

lead

Q

LEVEL

controls

LINE

OUT

oa

LINE

IN

LINE

OUT

ao)

|]

23)

C0@@O00o

Cassette

deck

LINE

IN

Tape

deck

Turntable

¢

DO

NOT

PLUG

IN

THE

POWER

CORD

UNTILL

ALL

CONNECTIONS

HAVE

BEEN

COMPLETED

AND

THOROUGHLY

CHECKED.

The

unit

is

equipped

with

two

sets

of

output

terminals.

Output

from

the

OUTPUT-2

terminals

is

controlled

by

the

OUTPUT-2

(8]

Operations

Connect

ali

components

to

the

rear

panel

terminals

as

shown

in

the

‘‘System

Connections’’

section

and

set

the

front

panel

controls

to

the

appropriate

set-

tings

for

the

desired

program

source.

Normal

Standby

Mode

The

standby

positions

of

the

front

panel

controls

are

as

follows.

The

standby

mode

serves

as

a

starting

point

for

all

operating

modes

Output

Switch:

ON

Input

Selector:

as

desired

EF

&

&

minimum

(all

the

way

to

the

left)

maximum

(all

the

way

to

the

right)

Volume

Control:

|

Output-2

Level

Control:

{9}

Recording

Output

Switch:

OFF

10}

Mode

Switch:

STEREO

(]

[2]

Recording

Source

Selectors:

as

desired

3]

Tape

Selector

Switch:

as

desired

4]

Bass

Selector

Switch:

as

desired

5]

Bass

Control:

as

desired

(is)

Treble

Control:

as

desired

{7]

Cartridge

Selector

Switch:

as

desired

[1]

Power

Switch:

ON

When

the

power

is

turned

on,

the

orange

band

over

the

power

switch

lights.

A

few

seconds

later

the

Servo

Operation

indicator

[2)

lights

green

and

power

output

begins.

Note

that

no

sound

is

heard

from

the

speakers

until

this

indicator

lights

green.

Using

Tape

Decks

Playback:

Three

tape

decks

can

be

connected

to

this

unit

at

once.

Depress

the

TAPE-1

selector

switch

[5]

to

listen

to

the

deck

connected

to

the

TAPE-1

termi-

nals.

To

listen

to

one

of

the

decks

connected

to

the

TAPE-2/3

terminals,

first

depress

the

TAPE-2/3

selector

switch

[5]

then

set

the

tape

selector

[13]

to

the

appropriate

position.

Recording:

Set

the

recording

source

selectors

[11] [12]

to

the

PHONO,

CD,

TUNER

or

LINE

position

depending

on

which

one

is

to

be

used

as

the

program

source,

de-

press

the

RECORDING

OUTPUT

switch

[9]

to

the

ON

position

and

begin

recording

operations.

If

you

are

recording

on

a

3-head

tape

deck,

depress

the

in-

put

selector

switch

[5]

corresponding

to

the

tape

deck

in

use

to

monitor

the

just-recorded

signal.

If

the

input

selector

is

in

any

other

position,

another

audio

source

can

be

heard

while

recording

is

in

progress.

Set

the

proper

recording

level

using

the

controls

on

the

tape

deck.

Tape-to-Tape

Duplicating:

When

two

or

three

tape

decks

are

connected

at

once

to

this

unit,

it

is

possible

to

dub

tapes

from

one

deck

to

another.

To

copy

a

pre-recorded

tape

per-

form

the

following

procedure.

Tape

decks

connected

to

the

TAPE

input

terminals

of

this

unit

are

represented

in

the

chart

below

as

TAPE-1,

TAPE-2

and

TAPE-3.

TAPE-1=>TAPE-2

(or

3)

|

TAPE-2

(or

3)->TAPE-1

|

REC

SELECTOR

[ij]

i,

1P

2&3

as

desired

REC

SELECTOR

[i

as

desired

2/31

TAPE

SELECTOR

[13

as

desired

~

TAPE-2

(or

3)

RECORDING

OUTPUT

[3]

ON ON

TAPE-1

set

to:

PLAY

RECORD

TAPE-2

{or

3)

set

to:

RECORD

PLAY

If

the

tape

deck

used

for

copying

is

a

three-head

deck,

it

is

possible

to

monitor

the

just-recorded

signal

ay

ee

in

the

same

way

as

when

recording

tapes

from

non-

tape

sources

by

setting

the

input

selector

[5]

(and

the

tape

selector

[3]

in

the

case

of

tape-2

or

tape-3)

to

the

appropriate

setting

for

the

deck

being

used

for

recording.

To

listen

to

a

different

source

while

the

tape

is

being

dubbed,

switch

the

input

selector

to

the

desired

setting.

Dubbing

is

not

possible

from

tape

deck-2

to

tape

deck-3

or

visa

versa.

Note:

When

the

TAPE-1

recording

source

selector

is

set

to

2/3

1

and

the

TAPE-2&3

recording

source

selector

is

set

to

1

2&3,

dubbing

is

possible

only

from

tape

deck

1

to

tape

decks

2

and

3.

Equalizer

and

Mixing

Console

Connections

Equalizers

and

mixing

consoles

should

be

connected

to

the

TAPE

terminals

on

the

rear

panel

of

the

unit.

Connect

the

equalizer

or

mixer

input

terminals

to

the

REC

terminals

and

the

output

terminals

to

the

PLAY

terminals.

¢

Refer

to

the

following

chart

for

the

correct

set-

tings

to

use

when

listening

to

a

program

source

routed

through

an

equalizer

or

mixer

connected

to

the

TAPE

terminals.

TAPE-2

When

using:

TAPE-1

TAPE-3

INPUT

SELECTOR

[5]

TAPE-1

TAPE-2/3 TAPE-2/3

REC

SELECTOR

[1i)

ara

desired

source

desired

source

REC

SELECTOR

[12

vee

desired

source

ds

TAPE

SELECTOR

[13]

il

TAPE-2

TAPE-3

RECORDING

OUTPUT

[8]

ON ON

ON

e

Routing

playback

from

a

tape

deck

through

an

equalizer

(or

a

mixing

console)

First

connect

either

the

tape

deck

or

the

equalizer

to

the

TAPE-1

terminals

on

the

rear

panel

and

connect

the

other

to

the

TAPE-2

or

TAPE-3

termi-

nals.

Next,

set

the

REC

SELECTOR

(

[f}

or

[12

)

for

the

terminals

to

which

the

equalizer

(or

mixer)

is

attached

to

the

dubbing

mode

(1

2&3

or

2/3

1).

Note

that

this

operation

is

not

possible

if

the

tape

deck

and

equalizer

to

be

used

are

con-

nected

to

the

TAPE-2

and

TAPE-3

terminals.

¢

To

record

from

another

component

through

an

equalizer

Either

the

tape

deck

or

the

equalizer

(or

mixer)

to

be

used

must

be

connected

to

the

TAPE-1

termi-

nals

and

the

other

to

either

the

TAPE-2

or

TAPE-3

terminals.

Next,

set

the

REC

SELECTOR

(

[i]

or

(12)

)

for

the

terminals

to

which

the

tape

deck

is

attached

to

the

dubbing

mode

(1

2&3

or

2/31).

This

operation

is

not

possible

if

the

tape

deck

and

equalizer

to

be

used

are

connected

to

the

TAPE-2

and

TAPE-3

terminals.

The

REC

SELECTOR

[11]

[12]

switches

should

be

set

according

to

the

chart

below.

Equalizer

(mixer)

Tape

deck

connected

to

connected

to

TAPE-1

TAPE-1

Tape

deck

Equalizer

(mixer)

connected

to

connected

to

TAPE-2

{or

3)

TAPE-2

(or

3)

desired

source

REC

SELECTOR

[it

1h

2&3

(except

1>

2&3)

b

aaa

desired

source

REG

SENEGTOR®

ig

(except

2/3

1)

Sian?

TAPE

SELECTOR

balled

TAPE-2

(or

3)

RECORDING

OUTPUT

[8]

|

ON

ON

It

is

not

possible

to

dub

tapes

from

one

deck

to

an-

other

through

an

equalizer

using

the

three

sets

of

TAPE

terminals.

To

dub

tapes

from

one

deck

to

an-

other

through

an

equalizer,

connect

the

deck

to

be

used

as

the

source

to

the

LINE

terminals

and

set

the

REC

SELECTOR

to

the

appropriate

setting.

About

the

Variable

Bass

and

Treble

Boosting

System

This

unit

is

designed

to

gradually

reduce

the

effect

of

the

tone

controls

(bass

and

treble)

as

the

volume

exceeds

a

certain

level.

The

variable

boosting

sys-

tem

gradually

reduces

the

boosting

effect

of

the

bass

[1]

and

treble

controls

when

one

or

both

of

these

controls

is

turned

beyond

(to

the

right

of)

the

center

defeat

position

and

the

volume

control

[6]

is

turned

beyond

the

15

graduation

(the

12:00

posi-

tion).

When

the

volume

is

turned

all

the

way

up,

the

frequency

response

will

be

flat

again.

Volume

set-

tings

below

the

15

graduation

have

no

effect

on

the

tone

controls.

Also,

bass

and

treble

control

settings

below

(to

the

left

of)

the

center

defeat

position

are

not

altered

by

the

volume

level.

Diagram

showing

connections

for

the

input,

tape

and

recording

selectors

PHONO

@

co

TUNER

input

selector

(5)

LINE-1

LINE-2

RECORDING

OUTPUT

[3]

fy

TAPE-2

(TAPE-2&3}

Trouble-Shooting

Guide

If

the

P-308

fails

to

function

normally,

first

check

the

following

points

before

calling

for

professional

servicing.

If

the

problem

still

persists

or

is

of

a

differ-

ent

nature

than

the

problems

listed

below,

discon-

nect

the

power

cord

and

contact

your

Onkyo

dealer.

1.

No

power

Has

the

power

cord

been

properly

plugged

into

the

wail

socket?

2.

No

sound

when

power

is

switched

on

Check

the

power

amplifier

or

speaker

systems

to

be

sure

the

problem

is

not

located

there.

Check

that

the

tape

selector

(13)

has

been

set

to

the

correct

position.

Also

check

for

possible

incor-

rect

connection

of

input

and

output

cables

includ-

ing

disconnection

and

short

circuits.

Note

that

until

the

Servo

Operation

indicator

[2]

lights,

no

sound

will

be

heard

from

the

speakers

because

the

transient

killer

is

operating.

.

Generation

of

hum,

howling

or

other

unwanted

noise

Check

for

loose

connections

of

the

ground

line,

input

and

output

cable

connections.

Also

check

the

ground

connections

to

the

power

amplifier

and

turntable.

Howling

can

be

generated

when

the

speaker

sys-

tems

are

too

close

to

the

turntable.

Noise

can

also

be

picked

up

if

a

power

transmitter

is

used

nearby.

Hum

can

be

induced

if

connecting

cables

pass

too

close

to

the

power

cord

or

power

trans-

former.

.

Very

low

level

output

sound

when

playing

records

The

output

level

will

be

too

low

if

the

cartridge

selector

[f7|

is

set

to

the

MM

position

when

us-

ing

an

MC

cartridge.

Check

the

type

of

cartridge

being

used.

Specifications

Input

Sensitivity

and

Impedance:

Rated

Output

and

Impedance:

RIAA

Deviation:

Frequency

Response

(CD,

TUNER,

LINE,

TAPE):

Phono

Overload:

Total

Harmonic

Distortion:

Intermodulation

Distortion

(CD):

Signal-to-Noise

Ratio:

Tone

Control

(Vol.

—

20dB):

Filters:

Inputs:

PHONO

MC:

1602V/(100/220)ohms

PHONO

MM:

2.5mV/(47kohms/

100kohms)

CD,

TUNER,

LINE,

TAPE

PLAY:

150mV/20

kohms

TAPE

REC:

150mV/1.2

kohms

(PHONO)

OUTPUT:

1.0V/160

ohms

Max.

6V

+0.2dB,

20-20,000Hz

+0,

—3dB,

0.8Hz

—

170kHz

PHONO

MM:

210mV

RMS

at

1

kHz,

THD

0.05%

13mV

RMS

at

1

kHz,

THD

0.05%

PHONO

MC:

0.0008%

at

PHONO

MM,

3V

output

0.003%

at

PHONO

MC,

3V

output

0.0005%

at

CD,

TUNER,

LINE

and

TAPE,

3V

output

0.003%

(7OHz:

7kKHz

=

4:1)

PHONO

MC:

81dB

(IHF

A-202)

PHONO

MM:

92dB

(IHF

A-202)

CD:

101dB

(IHF

A-202)

BASS:

+

10dB

at

20Hz

TURN

OVER

FREQUENCY

BASS:

450

Hz

CONTRABASS:

200

Hz

BOOST

ONLY

TREBLE:

+

8dB

at

20kHz

HIGH

CUT:

(TREBLE

min.):

6dB/oct,

7

kHz

PHONO,

CD,

TUNER,

LINE

1

&

2,

TAPE

PLAY

1,2

&

3,

TAPE

REC

OUT

1,2

&3

OUTPUT:

1

(fixed)

2

(variable)

Outputs:

Power

Supply

Canadian

models:

AC

120V,

60Hz

European

models:

AC

220V,

50Hz

British

and

Australian

models:

AC

240V,

50Hz

Worldwide

models:

AC

120V,

60Hz/AC

220V,

50Hz

465

(W)

x

103

(H)

x

403

(D)mm

18

5/16”

x

4

1/16”

x

15

7/8"

8.5

kg,

18.7

Ibs.

Dimensions:

Weight:

Specifications

and

features

are

subject

to

change

without

notice.

*%

*Warnung*

#*

Vor

dem

Einschalten

des

Netzschalters

ist

sicherzu-

stellen,

da&

das

Gerat

mit

der

ortlichen

Netzspannung

betrieben

werden

kann

(siehe

Spannungsangabe

an

der

Geratertickseite}.

Bei

Ausfiihrungen

mit

Span-

nungswéahler

dessen

Einstellung

Gberpriifen

und

gegebenenfalls

korrigieren

(siehe

Abschnitt

““Spannungswahler’’).

Aufstellung

und

Handhabung

1.

Vor

Staub,

Feuchtigkeit,

direkter

Sonnenbestrah-

lung

und

extremen

Temperaturen

schutzen.

2.

Darauf

achten,

dafS

keine

Vibrationen

auf

das

Ge-

rat

Ubertragen

werden.

Auf

keinen

Fall

auf

eine

Lautsprecherbox

stellen.

3.

Das

Gerat

mdglichst

bodennah

und

auf

einer

sta-

bilen,

waagerechten

Unterlage

aufstellen.

4.

Nicht

auf

weichen

Unterlagen

abstellen

oder

die

Beluftungsschlitze

blockieren

(vor

allem

bei

Regal-

aufstellung),

da

anderenfalls

die

im

Gerateinneren

erzeugte

Warme

nicht

abgefthrt

werden

kann.

5.

Die

Nahe

von

Heizkérpern

und

elektrischen

Gerda-

ten

mit

starker

Warmeentwicklung

vermeiden.

6.

Innenteile

durfen

nur

von

einem

qualifizierten

Wartungstechniker

berdhrt

werden.

7.

Darauf

achten,

dalg

keine

Gegenstande

oder

Flus-

sigkeiten

in

das

Gerat

eindringen

(z.B.

durch

die

Luftungsschlitze).

8.

In

den

folgenden

Fallen

das

Gerat

von

einem

War-

tungstechniker

Uberprifen

lassen:

bei

beschaddigtem

Netzkabel

oder

Netzstecker;

B.

wenn

Fremdk6rper

oder

Filissigkeiten

in

das

Gerdat

gelangt

sind;

C.

falls

das

Gerat

Regen

ausgesetzt

war;

D.

bei

Stérungen

und

drastischem

Leistungsab-

fall:

—.

wenn

das

Gerat

fallengelassen

bzw.

das

Ge-

hause

beschadigt

wurde.

9.

Nicht

in

dieser

Bedienungsanleitung

aufgeftihrte

a

Wartungsarbeiten

diirfen

nur

von

ausgebildetem

Fachpersonal

vorgenommen

werden.

Sollten

sol-

che

Arbeiten

oder

Reparaturen

erforderlich

werden,

wenden

Sie

sich

bitte

an

den

Onkyo-Handler

oder

-Kundendienst.

Pflege

Fronttafel,

Rackwand

und

Gehduse

regelmaRig

mit

einem

Silikon-

oder

anderen

weichen

Lappen

abwi-

schen.

Bei

starker

Verschmutzung

einen

in

milder

Seifenwasserl6sung

angefeuchteten

(nicht

nassen)

Lappen

verwenden.

Danach

sofort

mit

einem

trocke-

nen

Tuch

abwischen.

Niemals

Terpentin,

Alkohol

oder

andere

chemische

Lésungsmittel

verwenden,

da

anderenfalls

das

Finish

beschadigt

bzw.

die

Beschriftung

abgelést

werden

k6nnte.

Netzsicherungen

Die

Netzsicherungen

befinden

sich

im

Gerateinneren

und

dirfen

nur

von

qualifiziertem

Fachpersonal

aus-

gewechselt

werden.

Wenn

das

Gerat

sich

nicht

ein-

schalten

lat,

wenden

Sie

sich

daher

bitte

an

Ihren

Onkyo-Fachhandler.

Vorsicht!

Manche

Ausfitihrungen

dieses

HiFi-Bausteines

k6n-

nen

nur

mit

der

Netzspannung

des

Bestimmungslan-

des

betrieben

werden:

Europa

(Kontinent)

220

V,

50 Hz

Kanada

120

V,

60

Hz

Grofbritannien

und

Australien

240

V,

50

Hz

Universalausfihrung

120

V/60

Hz,

220

V/50

Hz

Spannungswahiler

(Gerdateriickseite)

Die

UniversalausfUhrung

dieses

Modells

ist

mit

ei-

nem

Spannungswahler

zur

Anpassung

an

verschie-

dene

Netzspannungen

ausgertstet.

Vor

dem

ersten

Einschalten

des

Netzschalters

die

Einstellung

dieses

Schalters

Uberprufen

und

gegebenenfalls

korrigieren.

Dazu

den

Schalter

mit

einem

Schraubenzieher

oder

dgl.

bis

zum

Anschlag

nach

oben

oder

unten

in

die

Position

ftir

die

bei

Ihnen

verwendete

Netzspannung

schieben.

Falls

Ihr

Gerat

nicht

mit

einem

solchen

Spannungswahler

ausgertistet

ist,

kann

es

nur

mit

—

10

=

der

am

Gerat

angegebenen

Netzspannung

betrieben

werden.

220V~

220V~

a

WS

220V

WS

120V_

120V~ 120V~

Montieren

bzw.

Auswechseln

des

Netzsteckers

Der

Netzstecker

darf

nur

von

einem

qualifizierten

Wartungstechniker

montiert

bzw.

ausgewechselt

werden.

Die

Leiter

des

Netzkabels

sind

folgender-

maken

farblich

gekennzeichnet:

Blau:

Neutral

Braun:

Spannungsftihrend

Falls

die

farbliche

Kennzeichnung

der

Netzstecker-

klemmen

nicht

mit der

der

Netzkabelleiter

Uberein-

stimmen

sollte,

wie

folgt

verfahren:

Den

blauen

Leiter

an

die

durch

den

Buchstaben

N

oder

die

Farbe

Schwarz,

den

braunen

Leiter

an

die

durch

den

Buchstaben

L

oder

die

Farbe

Rot

gekenn-

zeichnete

Klemme

des

Netzsteckers

anschlieRen.