Yamaha K-220 Bedienungsanleitung

Andere Handbücher für K-220

2

Inhaltsverzeichnis

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tance

to

rain

or

moisture,

NA

NA

ARRA

RARA

deka

eine

Means

sti

ot

expose

this

appl

don

To

prevent

fire

or

shock

hazard,

WARNING:

Pues

ae

Sea

3

ar

DRRR

AYBACK

TAPES/MAINTENANCE

TYPE

NOISE

REDUCTION

SPECIFICATIONS

PL

IRECORDING

AND:

CASSETTE

DOLBY

C-

"CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

BD

:

iu

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.

e

Explanation

of

Graphical

Symbols

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

you

to

the

presence

..

of

uninsulated

‘dangerous

voltage”

within

the

product’s

enclosure

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

persons.

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

you

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

literature

accom-

panying

the

appliance.

/

o

SAFETY

INSTRUCTIONS

1

Read

Instructions

—

All

the

safety

and

operating

instructions

should

be

read

before

the

appliance

is

operated.

=

Retain

Instructions

—

The

safety

and

operating

instructions

should

be

retained

for

future

reference.

3

Heed

Warnings

—

AIl

warnings

on

the

appliance

and

in

the

operating

instructions

should

be

adhered

to.

4

Follow

Instructions

—

All

operating

and

other

instruc-

tions

should

be

followed.

=

Water

and

Moisture

—

The

appliance

should

not

be

used

near

water

—

for

example,

near

a

bathtub,

washbow!,

`

kitchen

sink,

laundry

tub,

in

a

wet

basement,

or

near

swimming

pool,

etc.

6

Carts

and

Stands

—

The

appliance

should

be

used

only

with

a

cart

or

stand

that

is

recommended

by

the

manufac-

turer.

'

/

Wal!

or

Ceiling

Mounting

—

The

appliance

should

be

mounted

to

a

wall

or

ceiling

only

as

recommended

by

the

manufacturer.

=>

Ventilation

—

The

appliance

should

be

situated

so

that

its

location

or

position

does

not

interfere

with

its

proper

ventilation.

For

example,

the

appliance

should

not

be

situated

on

a

bed,

sofa,

rug,

or

similar

surface

that

may

block

the

ventilation

openings;

or

placed

in

a

built-in

installe

tion,

such

as

a

bookcase

or

cabinet

that

may

impede

the

flov

of

air

through

the

ventilation

openings.

g

Heat

—

The

appliance

should

be

situated

away

from

heat

sources

such

as

radiators,

stoves,

or

other

appliances

that

produce

heat.

1

O

Power

Sources

—

The

appliance

should

be

connect-

ed

to

a

power

supply

only

of

the

type

described

in

the

operating

instructions

or

as

marked

on

the

appliance.

“|

“|

Power-Cord

Protection

—

Power-supply

cords

should

be

routed

so

that

they

are

not

likely

to

be

walked

on

or

pinched

by

items

placed

upon

or

against

them,

paying

particular

attention

to

cards

at

plugs,

convenience

receptacles,

and

the

point

where

they

exit

from

the

appliance.

4

=

Cleaning

—

The

appliance

should

be

cleaned

only

as

recommended

by

the

manufacturer.

4

3

Nonuse

Periods

—

The

power

cord

of

the

appliance

should

be

unplugged

from

the

outlet

when

left

unused

for

a

long

period

of

time.

1

ra

Object

and

Liquid

Entry

—

Care

should

be

taken

so

that

objects

do

not

fall

into

and

liquids.

not

spilled

into

the

inside

of

the

appliance.

1

FS

Damage

Requiring

Service

—

The

appliance

should

be

serviced

by

qualified

service

personnel

when:

A,

The

power-supply

cord

or

the

plug

has

been

damaged:

or

B.

Objects

have

fallen,

or

liquid

has

been

spilled

into

the

appliance;

or

C.

The

appliance

has

been

exposed

to

rain;

or

D.

The

appliance

does

not

appear

to

operate

normally

or

exhibits

a

marked

change

in

performance;

or

;

E.

The

appliance

has

been

dropped,

or

the

cabinet

damag-

ed.

1

©

Servicing

—

The

user

should

not

attempt

to

service

the

appliance

beyond

those

means

described

in

the

operat-

ing

instructions.

All

other

servicing

should

be

referred

to

qualified

service

personnel.

1

The

K-220

is

a

sophisticated

stereo

cassette

deck.

To

en-

sure

proper

operation

for

the

best

possible

performance,

please

read

this

manual

carefully.

2

Choose

the

installation

of

your

K-220

carefully.

Avoid

placing

it

in

direct

sunlight

or

close

to

a

source

of

heat.

Also

avoid

locations

subject

to

vibration

and

excessive

dust,

heat,

cold

or

moisture.

Keep

it

away

from

such

sources

of

hum

as

transformers

or

motors.

3

Do

not

open

the

cabinet

as

this

may

result

in

damage

to

the

deck

or

electrical

shock.

If

a

foreign

object

should

get

into

the

deck,

contact

your

local

dealer.

4

When

removing

the

power

plug

from

the

wall

outlet,

al-

ways

pull

directly

on

the

plug;

never

yank

the

cord.

5

Do

not

use

forece

when

operating

switches

and

knobs.

6

When

moving

the

deck

be

sure

to

first

pull

out

the

power

plug

and

remove

all

cords

connecting

the

deck

to

ather

equipment.

7

Do

not

attempt

to

clean

the

K-220

with

chemical

solvents

as

this

may

damage

the

finish.

Use

a

clean,

dry

cloth.

8

Never

allow

metallic

items

(e.g.

screwdrivers,

tools,

etc.)

to

come

near

the

record/playback

head

assembly.

Doing

so

may

not

only

scratch

or

damage

the

head's

mirror-smooth

finish,

it

may

change

the

magnetic

characteristics

of

the

heads,

causing

a

deterioration

in

reproduction

perfor-

mance

quality.

9

Although

the

record/playback

head

used

in

the

K-220

is

a

high

quality

permalloy

laminate

head

with

outstanding

reproduction

characteristics,

it

can

become

dirty

through

the

use

of

old

tapes

of

from

dust

accumulation

over

time.

This

can

have

a

serious

effect

on

reproduction

quality.

Clean

the

heads

regularly

with

one

of

the

commonly

avail-

able

head

cleaners

or

with

cleaning

solutions

as

explained

later

in

this

manual.

10

Be

sure

to

read

the

“Troubleshooting”

section

of

this

manual

for

advice

on

common

operating

errors

before

concluding

that

your

K-220

is

faulty.

11

Keep

this

manual

in

a

safe

place

for

future

reference.

Be

sure

to

connect

the

left

(L)

and

right

(R)

channels

consistently.

NOISE

REDUCTION

SYSTEM

MANUFASTURCO

UNDER

LICENSE

PROM

OOLBY

LABORATORILS

LICENSING

CORPORATION

“OOLBY

AND

THE

DOUBLE-D

SYM30L

ARE

TRACEMARAS,

OF

COLBY

LABORATORIES

LICENSING

CORPORATION

SS

CAUTION,

|

Í

RISK

CF

ELECTRIC

SHOCK

}

O0

NOY

OPEN

j

e

ATTENTION

-

R'SQUE

Ok

CHOC

ELECTRIQUE

NE

7AS

DIYRIR

WARNING

-

TO

PREVENT

FIRE

OR

SHOCK

HAZARD,

DO

NOT

EXPOSE

TIS

APPLIANCE

TO.

RAIN

OR

MOISTURE.

@

GO

YAMAHA

ye

o

OVOLTS

WATTS

6CHz

RIPPON

GAKK

CO.

LTD.

AALOE

N

SEPAN

Taie

I

erres

of

Staw

BA.

Drean,

Prig

eri

K-220

rear

panel

l

HOW

TO

LOAD

AND

UNLOAD

CASSET-

il

TES

.

Open

the

cassette

compartment

cover

by

pressing

Connect

to

the

Eject

button,

Deck

side

Amplifier

side

an

AC

power

outlet

.

The

side

of

the

tape

you

wish

to

record

or

play-

LINE

IN/REC“#—™="REC

OUT

back

should

be

facing

the

front.

Insert

the

cassette

LINE

OUT/

with

the

exposed

tape

edge

down,

and

fit

it

into

the

chamber.

PLAY

BACK

Sieg

P

P

7

,

PLAY

AE

B

Push

the

cassette

cover

closed

until

you

hear

an

Verify

Land

A,

then

plugin

audible

slick

|

firmly.

To

unload

the

cassette,

press

the

Eject

button.

i

RECORDING

Remember

to

keep

the

cassette

compartment

cover

closed

when

not

using

the

deck

to

protect

h

d d

i

=

REAR

PANEL

CONNECTIONS

e

Connect

the

power

cord

to

an

AC

outlet

or

to

the

AC

outlet

9

"7

provided

on

the

rear

panel

of

your

receiver,

integrated

l

nae

The

exposed

edge

of

the

tape

should

amplifier,

or

control

amplifier.

P

g

P

be

facing

down

when

inserted

into

the

cassette

compartment

for

Make

sure

that

power

to

both

the

K-220

and

your

amplifier

either

playback

or

recording,

(receiver,

etc.)

is

turned

off

before

making

connections.

The

White

plug

on

the

paired

connecting

cables

corresponds

to

the

Left

channel

and

the

Red

plug

corresponds

to

the

Integrated

amplifier,

Right

channel.

The

Line

Out

(Play

jacks

on

the

K-220

preamplifier

or

receiver.

should

be

connected

to

the

Tape

PB

(Playback

Input)

jacks

on

your

amplifier,

and

the

Line

In

(Rec)

jacks

on

the

K-220

should

be

connected

to

the

Rec

Out

(Rec

Output)

jacks

on

*Plaase

refer

to

the

amplifier

instructian

your

amplifier,

Make

sure

that

the

left

and

right

channel

manual

for

more

detailed

instructions

connections

are

properly

made,

and

that

the

plugs

are

on

connecting

the

deck

to

your

system,

insterted

firmly.

YAMA

A

NATURAL

SOUNU

STERED

CASSCTTC

beck

K-20

"PEAK

LEVEL.

`

yo

TWU-MOTUH

pLomputer

Lontrolled

lesrspert

@®

Power

Switch

(POWER)

This

is

a

“‘push-on,

push-off”

type

power

switch.

©

Eject

Button

(EJECT)

To

load

a

cassette

tape,

press

the

Eject

button

and

the

cassette

compartment

cover

will

open.

Keep

cover

closed

when

the

deck

is

not

in

use

to

protect

heads

and

mechanism

from

cust,

etc,

@

Cassette

Compartment

@

Tape

Counter/Reset

Button

(TAPE

COUNTER)

Before

recording

a

tape,

it’s

a

good

idea

to

press

the

Reset

Button

to

set

the

tape

counter

to

“000”.

This

allows

you

to

keep

track

of

where

on

the

tape

individual

selections

begin

and

end,

so

that

setting

the

tape

counter

to

“000

again

before

playback

will

let

you

use

it

as

a

guide

in

locating

selections

on

the

tape

during

playback.

a

6

TIR

|

TAPE

COUNTER

PLAY

=

Co)

am

Goby

BC

Nose

Reduction

system:

weak

eee,

tbe

Roe

STOF

COOLEY

NA

AUTO

MDOE

PHONE

+

Cy

ER

EES

ræna

Al

mr

IER

3

>

2

?

faa

f

N

(©)

?

A a 8

SS

ASS

Go

i

Y

$

AF

a

é

ye

es

cesT

IG

LEVL

At

TAPE

COUNTER

000”

“065”

n423”

170”

Selection

1

Selection

2

Selection

3

Selection

4

Example:

@

Rec

Indicator

(REC)

When

the

Rec/Pause

button

is

pressed,

the

Rec

stand

by

mode

wil!

be

engaged,

and

this

indicator

wil!

light.

It

will

flicker

during

the

Auto

Rec

Mute

mode.

@

Dolby

NR

Indicators

(DOLBY

NR)

The

corresponding

Dolby

NR

indicators

will

light

up

when

the

Dolby

NR

switch

is

turned

on,

and

either

Dolby

B

or

C

type

noise

reduction

is

selected.

K-

P21

@

Rewind/Play/Fast

Forward/Stop

(Tape

Travel

Operation

Control

Panel)

REW

Press

the

“

<<

”

section

of

the

control

panel

to

rewind

the

tape.

PLAY

Press

the

“PLAY”

section

of

the

control

panel

for

playback.

It

is

also

necessary

to

use

this

contro!

to

engage

the

record

mode,

To

begin

recording,

it is

necessary

to

engage

the

Play

mode

while

in

Rec

Standby,

FFWD

Press

the

’

PP

”

section

of

the

control

panel

to

fast

forward

the

tape.

STOP

Press

the

“STOP”

section

of

the

control

panel

to

stop

the

tape

while

in

any

mode.

Rewind

Fast

Forward

Press

the

symbol

lightly

The

deck

will

stop

automatically

when

the

tape

reaches

the

end

of

a

side

during

playback,

record,

fast

forward

or

rewind,

Pressing

the

control

panel

in

between

the

indicated

sections

instead

of

directly

on

them

may

give

you

a

mode

other

than

the

one

you

want.

©

Rec/Pause

Button

(REC/PAUSE)

Pressing

this

button

engages

the

Rec

Standby

mode,

and

a

red

indicator

“REC”

will

light.

While

in

this

mode,

the

level

meters

will

function,

allowing

you

to

monitor

the

recording

signal

level

of

your

program

source

and

set

the

proper

recording

level

before

beginning

to

record,

(Please

refer

to

the

“Setting

the

Recording

Level”

section

of

this

manual.)

To

initiate

recording

from

the

Rec

Standby

mode,

press

the

Play

button.

Pressing

the

Rec/Pause

button

during

actual

recording

engages

the

Pause

mode,

and

the

Play

button

will

be

automatically

released.

To

begin

recording

again

from

the

Pause

mode,

press

the

Play

button.

=

Standby

(Adjust

level,

balance)

K-220

@

Rec

Mute

Button

(MUTE)

During

Recording:

When

the

MUTE

button

is

pressed

at

any

time

during-recording,

a

4-second

blank

interval

is

automatically

recorded

on

the

tape.

Then,

the

Rec

Pause

mode

is

engaged

automatically.

(Auto

Rec

Mute

Operation)

In

order

to

record

a

blank

interval

longer

than

4

seconds,

press

the

MUTE

button

and

hold

it

in

for

the

desired

length

of

time,

After

the

button

is

released,

the

4-second

blank

interval

will

also

be

recorded

automatically,

after

which

the

Rec

Pause

mode

is

engaged

automatically.

To

create

a

blank

interval

on

the

tape

during

continuous

recording,

press

the

Play

button

during

rec

mute

operation.

@

Tape

Selector

(TAPE)

Press

the

appropriate

button

for

the

type

af

tape

being

used—Normal

(I/NORM},

Chrome

(II/CrO2),

or

Metal

(IV/METAL).

The

K-220

will

adjust

the

proper

bias,

level,

and

equalization

settings

for

the

type

of

tape

being

used.

(Please

refer

to

the

‘Cassette

Tapes"

section

of

this

manual).

*

This

deck

is

not

suited

for

use

with

Ferrichrome

(FeCr)

tapes.

@

Peak

Level

Meters

(LEVEL)

Indicates

the

peak

of

the

signal

level

during

recording

and

playback

over

a

range

from

—10dB

to

+6dB.

®

Dolby

NR

Switch

(DOLBY

NR)

Dolby

noise

reduction

is

an

extremely

effective

method

of

reducing

background

hiss

on

tapes.

The

K-220

incorpo-

rates

both

Dolby

B

NR

and

the

newer

Dolby

C

NR

system.

Dolby

C

NR

is

approximately

twice

as

effective

as

Dolby

B

NR,

providing

new

levels

of

noise-free

perfor-

mance.

Switch

the

Dolby

NR

system

on

with

the

button

on

the

left,

then

select

Dolby

B

or

C

NR

with

the

button

on

the

right.

Tapes

recorded

with

Dolby

B

NR

should

be

played

back

with

Dolby

B

NR

on,

and

tapes

recorded

with

Dolby

C

NR

should

bs

played

back

with

Dalby

C

NR

on.

Tapes

not

Dolby

NR-encocded

should

be

played

back

with-Dolby

NR

off.

DOLBY

NR

The

Dolby

NR

switch

is

set

to

the

same

position

on

record

and

play.

OFF

A

BTY

ON

æ

C

TYPE

CJC

*

Dolby

and

the

double

D

mark

are

trademarks

of

Dolby

Laboratories

Licensing

Corp,

Dolby

noise

reduction

system

manufactured

under

license

from

Dolby

Laboratories

Licensing

Corp.

®

Auto

Mode

Switch

(AUTO

MODE)

Repeat:

This

will

initiate

repeat

playback

for

one

entire

side

of

the

cassette

tape.

After

the

tape

has

been

reproduced,

it

will

be

rewound

to

the

beginning,

and

it

will

be

played

back

again.

This

function

will

stop

after

16

consecutive

operations.

Timer

Play:

By

using

a

separately

available

timer,

this

function

permits

timer

activated

playback,

so

you

can

wake-up

to

your

favorite

music,

etc.

(See

page

7.)

Timer

Rec:

By

using

a

separately

available

timer,

this

function

allows

you

to

carry

out

unattended

recording.

(See

page

7.)

*

Turn

the

corresponding

switches

off

when

not

using

the

repeat

playback

feature

or

the

timer

feature,

Especially

for

the

TIMER

REC

position,

the

unit

will

stay

in

the

recording

mode

as

long

as

the

power

is

on,

and

therefore

can

accidentally

erase

the

prerecorded

contents

of

the

tape.

@®

Headphone

Jack

(PHONES)

Connect

a

set

of

headphones

here

for

monitoring

recording

or

playback.

®

Recording

Level

Controls

(REC

LEVEL)

These

controls

are

used

to

adjust

the

input

level

of

the

signal

coming

from

the

rear

panel input

jacks

for

recording,

and

the

adjustable

signal

level

is

displayed

on

the

Level

meters.

(Please

refer

to

the

“Setting

the

Record-

ing

Level’

section

of

this

manual

for

an

explanation

of

how

to

set

proper

recording

levels.)

*

Auto

Source

Change

When

tape

playback

has

finished

and

the

auto

stop

function

has

cancelled

the

play

mode,

the

LINE

IN

signal

(if

the

tuner

is

connected

to

the

LINE

IN

inputs,

then

the

tuner

output

signal)

will

automati-

cally

be

switched

to.

Signal

level

can

then

be

adjusted

with

the

REC

Volume

control.

#

SETTING

RECORDING

LEVEL

In

order

to

make

recordings

with

the

best

possible

signal-

to-noise

ratio,

it

is

important

to

set

the

recording

level

at

the

highest

level

possible

without

introducing

distortion,

Push

the

Rec/Pause

button

to

engage

the

rec

standby

mode,

and

play

a

section

of

the

pragram

to

be

recorded.

Watch

the

level

meters

and

adjust

the

recording

level

so

that

the

average

meter

reading

is

between

—5dB

and

+3dB,

with

occasional

peaks

no

higher

than

+6dB,

Adjust

the

level

balance

as

necessary.

Now

you

are

ready

to

begin

recording,

Set

so

peaks

reach

+6dB

occasionally.

Exceeding

this

point

can

cause

distortion,

In

normal

cases,

set

so

the

maximum

value

is

in

this

range,

PEAK

LEVEL\’

=

JEE

Use

the

Rec

Level

controls

to

set

the

proper

level.

RECORDING

Prior

To

Recording:

Make

sure

that

all

power

cord

connections

and

all

con-

nections

between

components

are

properly

made.

Check

that

the

AUTO

MODE

switch

is

off,

then

turn

on

the

Power

swtich,

Open

the

cassette

compartment

cover

by

pressing

the

Eject

button.

Load

a

cassette

tape

and

briefly

fast

forward

the

tape

to

get

past

the

leader

tape

on

the

beginning

of

the

cassette,

Leader

tape

Cassette

shell

Select

the

proper

Tape

Selector

setting

for

the

type

of

tape

being

used

—

Normali

{(I/NORM),

Chrome

(II/CrO.),

or

Metal

(IV

/METAL).

For

recording

to

be

made

with

Dolby

NR,

turn

the

Dolby

NR

switch

on,

and

select

either

Dolby

B

or

C.

Press

the

Rec/Pause

button

to

engage

the

Rec

Standby

mode.

Run

a

sample

of

the

program

source

to

be

recorded

through

the

deck

so

that

a

proper

recording

level

can

be

set

using

the

Rec

Level

controls

and

the

Level

meters.

(Please

refer

to

the

previous

instructions

regard-

ing

level

setting.)

Press

thie

reset

button

to

reset

the

tape

counter

to

the

“000”

position

to

reference

the

position

of

individual

selections

on

the

tape.

The

tape

counter

may

thus

be

used

as

a

program

guide

during

later

playback,

Starting

To

Record:

When

the

Play”

section

of

the

control

panel

is

pressed,

the

deck

will

begin

recording.

You

can

monitor

the

recording

by

connecting

head-

phones

or

through

speakers

connected

to

the

amplifier.

When

MUTE

button

js

pressed

during

recording,

a

4-second

blank

interval

is

automatically

recorded

on

the

tape,

after

which

the

rec

pause

mode

is

engaged,

(Please

refer

to

page

5”

@

Rec

Mute

Button")

If

you

wish

to

suspend

recording

temporarily,

pressing

the

Rec/Pause

button

engages

the

Rec

Standby

mode

which

serves

the

same

function

as

a

Pause

button

found

on

other

decks.

To

begin

recording

again,

press

the

“Play”

section

of

the

control

panel.

.

When

you

have

finished

recording,

press

the

’’Stop”

section

of

the

contro!

panel,

Pw

PLAYBACK

Prior

to

Playback:

Make

sure

that

all

connections

between

components

and

all

power

cord

connections

are

made

properly

and

securely.

Make

sure

that

the

AUTO

MODE

switch

is

set

to

the

OFF

position.

Turn

the

Power

switch

on,

Open

the

cassette

compartment

cover

by

pressing

the

Eject

button.

Load

a

recorded

cassette

tape.

l

Select

the

proper

Tape

Selector

setting

for

the

type

of

tape

being

used

—

Normal

(I/NORM),

Chrome

(II/CrO,),

or

Metal

(IV

/METAL).

For

tapes

recorded

with

Dolby

NR,

make

sure

that

the

Dolby

NR

switch

is

turned

on,

and

select

either

Dolby

B

or

C

as

appropriate,

Set

the

auto

mode

switch

to

the

REPEAT

FULL

position

when

carrying

out

repeat

playback.

Beginning

Playback:

.

When

the

“PLAY”

section

of

the

control

panel

is

pressed,

the

Play

mode

will

be

engaged.

Adjust

the

Balance,

Volume,

and

Tone

controls

of

your

amplifier

to

the

desired

settings.

Press

the

STOP”

section

of

the

control

panel

to

end

play.

K-220

#

TIMER

RECORDING/PLAYBACK

A,

Set

the

AUTO

MODE

switch

to

the

TIMER

REC

When

using

the

Timer

Rec/Play

switch

in

combination

position,

with

a

conventional

audio

timer

such

as

the

Yamaha

DT-2,

5.

Set

the

timer

to

the

desired

times.

It

is

advisable

to

set

the

timer

to

begin

recording

slightly

before

the

actual

recording

time,

and

to

end

slightly

before

the

actual

recording

time,

so

that

you

leave

some

roam

for

later

editing.

The

timer

will

send

power

to

the

amplifier,

tuner

and

deck

at

the

preset

time,

turning

all

the

components

on

and

initiating

the

recording

mode,

CAUTION:

If

the

tape

cannot

be

ejected

after

time

recording,

turn

the

AUTO

MODE

switch

off

and

the

K-220's

power

switch

on;

the

tape

can

then

be

ejected,

it

is

possible

to

make

recordings

and

initiate

playback

at

‘any

time

automatically

by

presetting

the

deck

in

advance.

è

Timer

Recording:

1.

Refer

to

the

Connection

Diagram

and

make

sure

that

6.

all

power

cord

connections

between

the

timer

and

amplifier

are

properly

made,

No

change

in

any

of

the

other

connections

between

deck

and

amplifier,

ete.,

is

necessary.

.

2.

After

turning

on

the

power

to

each

component,

select

the

station

on

your

FM

tuner

which

you

want

to

record

and

turn

down

the

volume

on

your

amplifier.

This

will

have

no

effect

on

the

recording

signal

level.

Remember

to

set

the

proper

recording

level

for

taping

from

the

tuner

(as

explained

earlier

in

this

manual)

prior

to

setting

the

deck

for

timer

recording.

3.

Following

the

instructions

given

in

the

"Prior

To

Recording”

section

of

this

manual,

put

the

K-220

into

the

Rec

mode.

Set

the

bet

|

e

Connection

for

timer

recording/playback

FED

ERO

org

amar

PDO

Make

sure

all

Power

switches

are

turned

on,

Sees

Werte

aaaea

|

The

power

cord

of

both

'

deck

and

tuner

should

be

4

connected

to

the

amplifier’s

|

rear

panel

AC

outlet,

No

change

in

con-

nections

between

Amplifier

The

power

cord

of

the

amplifier

should

be

connected

to

the

AC

outlet

on

the

audio

timer.

annuarnonmarr?

—

a

Timer

Playback:

AIl

connections

are

the

same

as

for

timer

recording.

Following

the

instructions

given

in

the

“Prior

To

Play-

back"

section

of

this

manual,

put

the

K-220

into

the

Play

mode,

Turn

on

the

amplifier

and

adjust

the

Balance,

Volume

and

Tone

controls,

Set

the

input

mode

selector

of

your

amplifier

to

the

Tape

mode,

Set

the

timer

to

shut

off

at

the

time

you

wish

to

end

playback.

Set

the

AUTO

MODE

switch

on

the

K-220

to

the

TIMER

PLAY

position,

At

the

preset

times,

the

timer

with

turn

power

on

to

the

amplifier

and

tape

deck

and

begin

playback,

It

will

shut

power

off,

at

the

preset

time

as

well,

ending

playback.

=

CASSETTE

TAPES

There

are

many

different

types

of

cassette

tapes

sold

on

the

market;

however,

they

all

conform

to

standard

specifi-

cations

so

that

any

brand

may

be

used

with

the

K-2720.

@

Classification

of

Cassette

Tapes

By

Recording

Time

Cassette

tapes

are

available

in

a

number

of

forms

according

to

the

amount

of

time

in

minutes

it

takes

to

record

or

playback

both

sides

of

the

tape.

Record/Playback

Time

Length

of

Tape

One

way

(m)

(Min.)

*

Yamaha

suggests

that

you

not

use

C-120

cassettes

since

the

extreme

thinness

of

the

tape

in

these

cassettes

makes

them

susceptible

to

mechanical

and

electrical

problems,

ə

Classification

of

Cassette

Tapes

by

Formulation

Cassette

tapes

are

available

in

four

basic

types

depending

on

their

formulation,

ar

type

of

magnetic

material

and

manufacturing

process.

These

four

types

are

commonly

known

as

Normal:

Type

I

(LH),

Chrome:

Type

H

(CrO2),

Ferrichrome

(FeCr},

and

Metal:

Type

IV

(Metal),

and

they

each

require

specific

bias,

level,

and

equalization

settings

for

optimum

performance.

The

K-220

provides

a

tape

type

selector

which

gives

you

the

proper

bias,

level,

and

equaliza-

tion

settings

according

to

which

type

you

have

selected.

*

The

K-220

does

not

have

the

required

setting

for

Ferrichrome

{FeCr}

tape,

since

this

tape

formulation

is

not

widely

used,

Should

you

use

a

Ferrichrome

tape,

it

should

be

recorded

and

played

back

at

the

Normal!

(LH)

settings.

This

will

result

in

an

unnatural

high

fre-

quency

emphasis.

But

this

effect

may

be

compensated

for

somewhat

by

adjusting

the

tone

controls

of

your

amplifier.

m

PROTECTION

YOUR

RECORDING

All

cassette

tapes

are

provided

with

erasure

protection

noles

to

prevent

recorded

tapes

from

being

accidentally

erased.

There

is

a

smal!

tab

covering

the

hole

on

each

cassette,

and

it

should

be

broken

off

with

a

screwdriver

after

recording

a

tape.

Without

this

tab

covering

the

hole,

it is

impossible

to

record

on

that

tape

again;

thus,

you

can

keep

any

recorded

tape

for

as

long

as

you

wish

without

fear

of

accidental

erasure.

Should

you

wish

to

use

a

cassette

tape

protected.in

this

way

for

later

recording,

simply

covering

the

hole

with

scotch

tape

will

permit

erasure

and

re-recording.

Break

off

tab

with

screwdriver,

scotch

tape

e

TAKING

UP

SLACK

IN

THE

TAPE

Slack

in

the

tape

inside

of

the

cassette

shell

can

be

cor-

rected

by

simply

inserting

a

pencil

into

one

of

the

spools

and

winding

it

until

all

the

slack

is

taken

up,

#

STORAGE

OF

YOUR

CASSETTE

After

putting

a

cassette

back

into

its

case,

store

in

a

loca-

tion

away

from

exposure

to

direct

sunlight,

humidity,

high

temperatures,

and

magnetic

fields

(away

from

televi-

sion

sets,

speakers,

etc.).

High

temperatures

and

humidity

will

damage

the

tape

itself,

while

exposure

to

magnetic

fields

may

cause

a

loss

of

recorded

material.

E

MAINTENANCE

OF

YOUR

K-220

After

using

your

K-220

for

a

certain

length

of

time,

it

is

possible

that

the

sound

of

your

tapes

may

deter-

lorate

with

fading,

vibration,

or

noise

as

a

noticeable

result,

This

is

caused

by

an

accumulation

of

dirt

or

dust

on

the

heads,

capstan,

or

pinch

roller,

and

magnetization

of

the

heads.

It is

advisable

to

periodi-

cally

clean

and

demagnetize

the

heads

and

to

clean

the

capstan

and

pinch

roller.

Use

a

commonly

avail-

able

cotton

swab

and

head

cleaning

solution

to

do

this,

or

use

a

special

head

cleaning

tape.

Head

demag-

netizers

are

also

commonly

available.

*

When

cleaning

the

heads,

be

careful

not

to

apply

unnecessary

pressure.

When

demagnetizing

the

heads,

be

sure

to

follow

the

instructions

of

the

head

demagnetizer

carefully.

For

better

access

to

the

head

assembly,

the

cassette

compartment

cover

is

detachable

by

pulling

upward

on

it

after

it

has

been

opened,

To

re-attach

it,

reverse

the

same

procedure,

Rec/PB

head

T

Eac

n

Capstan

VW VW fi

fi

Erase

head

‘S

Pinch

roller

With

cassette

tapes,

the

most

noticeable

form

of

noise

is

high-frequency

hiss.

To

reduce

this

hiss

noise,

the

K-220

has

been

equipped

with

a

newly

developed

Dolby

C

noise

reduction

system

in

addition

to

its

conventional

Dolby

B

NR.

Either

type

of

noise

reduction

may

be

selected

with

the

switch

provided,

Dolby

B

NR

has

a

noise-reduction

effect

of

about

10dB

in

the

high-frequency

range.

The

corresponding

figure

with

Dolby

C

NR

is

about

20

dB,

but

this

is

over

the

entire

rnage

where

the

human

ear

is

most

sensitive

to

noise

(2

kHz

to

8

kHz).

Dolby

C

NR

alsa

improves

the

tape’s

MOL.

{maximum

output

level).

Dolby

C

NR

has

two

new

circuits:

a

spectral

skewing

cir-

cujt

and

ari

anti-saturation

network.

By

improving

the

saturation

lavel

of

the

tape

it is

possible

to

prevent

high-

frequency

loss

and

encode/decode

error,

etc.,

improve

dynamic

range

and

signal-to-noise

ratio,

and

make

it

easier

+10

:

Frequency

response

C

Tyne

dB

ee

B

Type

”

{—10dB)

=~

=EN

“

(—20d8)

w~

Level

(dB}

L

©

—60

Dolby

off

Noise

reduction

effect

—80

20

100

500

ik

2K

5K

10K

20K

Frequency

(Hz)

to

set

the

recording

level.

With

Dolby

C

NR,

it

is

possible

to

achieve

the

same

noise

reduction

effect

at

both

high

and

low

signal

levels

and

to

set

the

recording

level

at

a

point

where

side

effects

such

as

“breathing”

are

eliminated.

Also,

by

expanding

the

operating

frequency

range

to

two

octaves

more

than

that

of

Dolby

B

NR,

overall

noise

balance

is

obtained

and

the

system

also

becomes

effective

against

high

frequencies

from

the

power

supply.

The

graph

shows

the

frequency

response

and

the

noise-

reduction

effect

of

recording

and

playback

with

Dalby

B

NR

and

Dolby

C

NR. The

noise

reduction

effect

of

Dolby

C

NA

is

larger

—

approximately

20

dB.

Dolby

noise

reduction

is

a

2-part

process

that

acts

both

on

recording

and

playback;

be

sure

that

the

Dolby

NR

switch

.

is

set

to

the

same

position

on

record

and

play.

*

Noise

in

the

source

material

can

not

be

reduced

with

the

Dolby

NR

system,

TV

BO

pea

ee

ak

eS

wae

ee.

4-track,

2-channel

record-

ing

and

playback

stereo

cassette

tape

deck

Heads

Rec/Play

head

........

Hard

permalloy

Erase

head,

......,..-..

Ferrite

Motors

Capstan

g

ore.

circa

le:

a

d

DC

servo

motor

PRO!

tg

hoe

eee

Bh

ee

Ss

a

Flat

torque

DC

motor

Wow

and

Flutter

........

No

more

than

+0.15%

W.peak

0.08%

W.RMS

Fast

winding

time

.......

Approx.

95

seconds

(C-60)

Frequency

response

Normal

tape

(—20dB)

....

40

to

16,000

Hz

+3dB

Chrome

tape

(—20dB)

....

40

to

16,000

Hz

+3dB

Metal

tape

(~20dB)

......

40

to

16,000

Hz

+3dB

Signal

to

Noise

ratio

Dolby

off

x

uteri.

oe Gt

dy he

Vans

'

68

dB

Dolby

BON

age

cw

sk

et

..

66dB

Dolby

Con

3-44

ata

scx

740B

Harmonic

distortion

......

Less

than

1%

Input

Sensitivity/Impedance

EINS?

ce

gti

hcg!

Be

Sots,

fe

oige

N

45

mV/50

k-ohms

Output

Level/Load

Impedance

LING:

soared,

Oe,

a

ard

360

mV/47

k-ohms

Headphones..........

40mV/8

ohms

Power

supply

..........

AC120V,

60Hz

Power

consumption.

......

15W

Dimensions

(W

x

Hx

D).

...

435x112

x

225

mm

(17-1/8"

x

4-3/8"

x

8-7/8"')

Weight

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

4.0kg

(8

Ibs

13

oz)

Specifications

subject

to

change

without

notice.