Sony ICF-7700 User manual

Table of contents

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PRECAUTIONS

•

Operate

the

unit

only

on

6

V

DC.

For

battery

operation,

use

four

size

AA

(R6)

batteries.

For

AC

operation,

use

the

AC

power

adaptor

recommended

for

this

unit;

do

not

use

any

other

type.

For

car

battery

operation,'

use

the

car

battery

cord

recommended

for

this

unit;

do

not

use

any

other

type.

•

Do

not

leave

the

unit

in

a

location

near

heat

sources,

or

in

a

place

subject

to

direct

sunlight,

excessive

dust,

or

mechanical

shock.

•

Use

the

unit

within

a

temperature

range

of

0°C

to

40®C

(32®F

to

104®F).

if

it

is

used

in

temperatures

outside

this

range,

numbers

may

appear

on

the

frequency

and

clock

display

which

have

nothing

to

do

with

the

frequency

being

received,

if

it

is

used

in

temperatures

lower

than

this

range,

the

numbers

displayed

may

change

very

slowly.

These

irregularities

will

disappear

and

there

will

be

no

damage

to

the

unit

when

the

unit

is

used

in

its

recommended

temperature

range.

•

Should

any

solid

object

or

liquid

fail

into

the

unit,

remove

the

batteries,

and

have

the

unit

checked

by

qualified

personnel

before

operating

it

any

further.

•

Since

a

strong

magnet

is

used

for

the

speaker,

keep

personal

credit

cards

using

magnetic

coding

or

spring-wound

watches

away

from

the

unit

to

prevent

possible

damage

from

the

magnet.

•

When

the

casing

becomes

soiled,

clean

it

with

a

soft

cloth

dampened

with

mild

detergent

solution.

Never

use

abrasive

cleansers

or

chemical

solvents,

as

they

may

mar

the

casing.

If

you

have

any

question

or

problem

concerning

your

unit

that

is

not

covered

in

this

manual,

please

consult

the

nearest

Sony

dealer.

Sony

Corporation

Printed

in

Japan

SONY

3-990-102-23

(1)

FM/LW/MW/SW

PLL

SYNTHESIZED

RECEIVER

ICF-7700

OPERATING

INSTRUCTIONS

Before

operating

the

unit,

please

read

this

manual

thoroughly

and

retain

it

for

future

reference.

OWNER'S

RECORD

The

model

number

is

located

at

the

rear

and

the

serial

number

is

located

in

the

battery

compartment.

Record

the

serial

number

in

the

space

provided

below.

Refer

to

them

whenever

you

call

upon

your

Sony

dealer

regarding

this

product.

Model

No.

iCF-7700

Serial

No.

©

1987

by

Sony

Corporation

To

prevent

fire

or

shock

hazard,

do

not

expose

the

unit

to

rain

or

moisture.

To

avoid

eiectricai

shock,

do

not

open

the

cabinet.

Refer

servicing

to

quaiified

personnei

oniy.

INFORMATION

This

equipment

generates

and

uses

radio

frequency

energy

and

if

not

installed

and

used

properly,

that

is,

in

strict

accordance

with

the

manufacturer's

instructions,

may

cause

interference

to

radio

and

television

reception.

It

has

been

type

tested

and

found

to

comply

with

the

limits

for

a

Class

B

computing

device

in

accordance

with

the

specifications

in

Subpart

J

of

Part

15

of

FCC

Rules,

which

are

designed

to

provide

reasonable

protection

against

such

interference

in

a

residential

installation.

However,

there

is

no

guarantee

that

interference

will

not

occur

in

a

particular

installation.

If

this

equipment

does

cause

interference

to

radio

or

television

reception,

which

can

be

determined

by

turning

the

equipment

off

and

on,

the

user

is

encouraged

to

try

to

correct

the

interference

by

one

or

more

of

the

following

measures:

Reorient

the

receiving

antenna

Relocate

the

equipment

with

respect

to

the

receiver

Move

the

equipment

away

from

the

receiver

Plug

the

equipment

into

a

different

outlet

so

that

equipment

and

receiver

are

on

different

branch

circuits.

If

necessary,

the

user

should

consult

the

dealer

or

an

experienced

radio/television

technician

for

additional

suggestions.

The

user

may

find

the

following

booklet

prepared

by

the

Federal

Communications

Commission

helpful:

"How

to

Identify

and

Resolve

Radio-TV

interference

Problems".

This

booklet

is

available

from

the

U.S.

Govemment

Printing

Office,

Washington,

DC

20402,

Stock

No.

004-000-003454.

Very

weak

or

intenrupted

sound,

or

unsatisfactory

reception.

•

Weak

batteries.

•

Tuning

or

antenna

adjustment

is

not

correct.

(See

page

12.)

•

Weak

signal.

When

in

a

vehicle

or

in

a

building,

listen

near

a

window.

•

Figures

on

the

frequency

display

differ

a

little

from

the

acted

station

frequency.

Tune

more

precisely.

(See

page

12.)

The

preset

station

cannot

be

received

when

preset

tuning.

•

incorrect

preset

station

button

is

pressed.

•

The

preset

station

is

erased.

Preset

the

station

again.

The

radio

does

not

turned

on

at

the

alarm-setting

time.

•

The

STANDBY

button

has

not

been

pressed.

•

The

alarm-setting

time

is

erased.

Set

the

alarm

again.

•

The

MAIN

POWER

switch

is

set

to

OFF.

TROUBLESHOOTING

GUIDE

TABLE

OF

CONTENTS

Should

any

problem

occur

with

the

unit,

make

the

following

simpie

checks

to

determine

whether

or

not

servicing

is

required.

If

the

problem

persists

after

you

have

made

these

checks,

consult

the

nearest

Sony

dealer

for

further

information.

The

power

Is

not

tumed

on

even

If

you

press

the

ON/OFF

button.

•

Weak

batteries.

•

Incorrect

polarity

of

batteries.

(See

page

8.)

•

The

MAIN

POWER

switch

Is

set

to

OFF.

•

The

KEY

PROTECT

is

set.

(See

page

15.)

•

The

AC

power

adaptor,

the

battery

case

or

the

car

battery

cord

Is

disconnected.

•

Battery

operation

is

attempted

while

the

AC

power

adaptor,

the

battery

case

or

the

car

battery

cord

is

connected

to

the

unit,

but

not

to

a

wall

outlet

or

cigarette

lighter

socket.

Each

function

does

not

work

even

If

operating

the

unit.

•

The

KEY

PROTECT

is

set.

(See

page

15.)

Display

Is

dim.

•

Weak

batteries.

•

The

unit

is

being

used

in

extremely

high

temperatures

or

in

a

place

with

excessive

moisture.

Sound

is

not

heard

at

all.

•The

VOLUME

control

is

turned

down

completely.

•

The

earphone

is

plugged

in.

Location

and

function

of

controls

4

How

to

change

the

MW

channel

step

8

Battery

Installation

8

How

to

set

the

clock

10

Radio

operation

12

Preset

tuning

16

How

to

set

the

alarm

18

How

to

set

the

sleep

timer

20

Specifications

21

Troubleshooting

guide

22

Precautions

back

cover

>An

FM/LW/MW/SW

1-12,

15

bands

portable

radio

with

world-wide

band

coverage.

'

A

quartz-controlled

PLL

(Phase

Locked

Loop)

synthesizer

system

using

a

microcomputer

for

easy

pinpoint

tuning.

The

tuned

frequency

is

also

digitally

displayed.

'

Up

to

15

stations

can

be

preset

for

button-touch

tuning.

'An

easy

searching

a

SW

station

with

the

SW

meter

band

select

function.

'

A

timer

standby

function

to

receive

a

desired

broadcast

at

the

desired

time.

'

A

sleep

timer

turns

the

radio

off

automatically

in

65

minutes.

L0GATION

AND

FUNCTION

OF

CONTROLS

SPECIFICATIONS

Refer

to

the

page

indicated

in

#

for

detaiis.

Front

panel

STANDBY

(timer

standby)

button

^

ALARM

TIME

SET

button

0

CLOCK

TIME

SET

button

KEY

PROTECT

button

^

Speaker

Hand

strap

tWi

fwi

<=>

mb

SELECT

<=>

(meter

band

select)

button

Band

select

buttons

(SW,

MW/LW,

FM)

Circuit

system

Frequency

range

Antennas

Speaker

Power

output

Outputs

Power

requirements

Battery

life

Dimensions

Weight

Supplied

accessories

FM:

Superheterodyne

LW/MW/SW:

Dual

conversion

superheterodyne

FM:

76-108

MHz

MW:

530-1,700

kHz

LW:

150-285

kHz

SW:

90-11

m

SW

broadcast

bands

FM/SW:

Telescopic

antenna

MW/LW:

Built-in

ferrlte

bar

antenna

Approx.

7.7

cm

(SVa

Inches)

die.

400

mW

(at

10%

harmonic

distortion)

Recording

output

jack

(minijack)

output

level

0.775

mV

(-60

dB)

output

Impedance

1

kilohm

Earphone

jack

(minijack)

for

8

ohm

earphone

6V

DC

Four

size

AA

(R6)

batteries

DC

IN

6

V

jack

accepts:

Sony

AC-D4S

AC

power

adaptor

(optional)

for

use

on

120

V

AC,

60

Hz

Sony

DCC-127A

or

DCC-240

car

battery

cord

(optional)

for

use

with

12

V

or

24

V

car

battery,

respectively

Sony

EBP-6

battery

case

(optional)

for

use

w'lth

four

size

C

(R14)

batteries.

Approx.

19

hours

of

listening

for

four

hours

a

day

at

a

normal

volume,

using

Sony

batteries

SUM-3

(NS)

Approx.

191.5

X117

X

31.5

mm

(w/h/d)

(75/a

X

45/3

X1V4

inches)

including

projecting

parts

and

controls

607

g

(1

lb

53/3

oz)

including

batteries

Earphone

(1)

Short

wave

guide

(1)

Carrying

case

(1)

SW

compact

antenna

(1)

Design

and

specifications

subject

to

change

without

notice.

OPTIONAL

ACCESSORIES

AC

power

adaptor

Car

battery

cord

Battery

case

Connecting

cord

External

antenna

Earphones

AC-D4S

DCC-127A,

DCO240

EBP-6

RK-69A

(minlplug«-»minlplug)

AN-1

MDR-E122

o

HOW

TO

SET

THE

SLEEP

TIMER

When

you

fall

asleep,

you

can

listen

to

the

radio

by

the

sleep

timer.

•SLEEP

timer

button

®

MAIN

POWER

switch

ON:

To

turn

on

the

radio

or

to

set

the

timer.

OFF;

When

carrying

the

radio.

The

radio

Is

kept

turned

off

even

if

the

ON/OFF

button

is

accidentaiiy

pressed.

ON/OFF

button

®

^

Set

the

MAIN

POWER

switch

to

ON.

2

Press

the

SLEEP

button.

3

Tune

in

the

desired

station

with

the

TUNING/TIME

ADJ

control

and

adjust

the

volume

with

the

VOLUME

control.

The

radio

will

be

turned

off

automatically

after

about

65

minutes.

Example:

To

set

the

sleep

timer

to

an

FM

station

c"

(?.'

I

5

3

3

C

FT

MHz

C.3

U

4

I

S

I

6

I

7

I

e

9

10

II

I

ISllkM

FM

•TUNING

Indicator

Lights

up

when

the

signal

is

received.

•TUNING/TIME

ADJ

(tuning/time

adjustment)

control

®

•

TONE

control

Adjust

the

tone

quality

to

your

preference.

Normally

set

the

control

to

MUSiC.

When

the

noise

is

severe

during

SW

reception,

set

it

to

NEWS.

The

noise

may

be

reduced

to

some

extent

and

the

vocal

part

will

be

heard

more

clearly.

PRESET

buttons

VOLUME

control

to

decrease

the

volume

to

increase

the

volume

To

turn

off

the

radio

before

the

sleep

time

Press

the

ON/OFF

button.

When

you

press

the

SLEEP

button

while

listening

to

the

radio

The

radio

will

be

turned

off

automatically

after

about

65

minutes.

I

I I I I I I

i

I I

1

MIN

MAX

LOCATION

AND

FUNCTION

OF

CONTROLS

Rear

panel

Radio

stand

Lift

up

the

stand

for

table

use.

If

the

stand

comes

off,

put

It

back

into.

For

RADIO

alarm

Tune

in

the

desired

station

following

the

steps

2-5

on

page

12.

3

n*

t

C

C

U>

I

J

Telescopic

antenna

ALARM

selector

ALARM

selector

^

(RADIO/BUZZER)

I

Recording

output

jack

(B

Earphone

jack

When

the

earphone

Is

plugged

In,

the

sound

from

the

speaker

does

not

come

out.

DC

IN

6

V

(external

power

input)

jack

o

MW

CH

STEP

selector

0

For

BUZZER

alarm

The

buzzer

sound

will

come

on

at

the

preset

time.

ALARM

selector

D

n*

I

c

C

U'

I

J

The

BUZZER

ALARM

indicator

appears.

To

stop

the

RADIO

or

BUZZER

alarm

•

Press

the

ON/OFF

button.—The

alarm

sound

will

come

on

again

at

the

same

time

the

next

day.

•

Press

the

STANDBY

button.—The

alarm

setting

is

released.

•

Set

the

MAIN

POWER

switch

to

OFF.—The

power

is

turned

off.

•

Press

the

SLEEP

button

in

BUZZER

alarm

mode.—The

BUZZER

alarm

will

t)e

shut

off

and

the

radio

sound

comes

out

for

the

SLEEP

function.

(For

RADIO

alarm,

the

SLEEP

function

starts

automatically.)

Note:

If

you

forget

pressing

the

STANDBY

button,

the

alarm

sound

will

not

come

out.

Battery

compartment

When

the

alarm

time

Is

reached

while

listening

to

the

radio

For

BUZZER

alarm,

the

buzzer

sound

comes

on.

When

you

press

the

ON/OFF

button

twice,

the

radio

sound

comes

on

again.

Set

the

alarm

time

in

order

not

to

miss

the

reception

time

of

your

desired

radio

program.

It

is

useful

especially

for

receiving

the

SW

stations

since

they

are

not

broadcasted

ail

day

long.

HOW

TO

SET

THE

ALARM

Display

window

The

Indications

appear

as

follows.

■1

Set

the

MAIN

POWER

switch

to

ON.

2

Set

the

alarm

time

by

turning

the

TUNING/TIME

ADJ

control

while

keeping

the

ALARM

button

pressed.

3

Press

the

STANDBY

button.

Example:

To

set

the

alarm

to

6:30

^

o:

I

5

b:3S

f1

luupown

\p

C

i

n

IC

O i

uu

'tHz

laa^"

'

|1

2 3

4

Is

6 7

I

8 9

j

10

11

121^

FU

KEY

PROTECT

indicator

Time/frequency

indicator

MAIN

POWER

indicator

PRESET

number

indicator

Band

indicator

FM,

MW/LW

band

scale

4

Set

the

ALARM

selector

to

RADIO

or

BUZZER.

3

n'

I

C

nAmnwn

C

u.

I

3

""

I

SW

meter

band

scale

CLOCK/AURM/STANDBY/SLEEP

Indicators

BUZZER

ALARM

indicator

The

volume

of

the

alarm

sound

•

The

volume

of

the

radio

sound

can

be

adjusted.

(However,

it

is

audible

even

if

the

volume

is

set

to

MIN.)

•

The

volume

of

the

buzzer

sound

is

always

the

same.

To

check

the

preset

time.

Press

the

ALARM

button.

To

Change

the

alarm

time

Set

the

desired

alarm

time,

the

alarm

time

previously

set

is

erased.

HOW

TO

CHANGE

THE

MW

CHANNEL

STEP

The

MW

CH

STEP

is

preset

at

the

factory

to

10

kHz

to

match

the

frequency

allocation

system

of

the

U.S.A.

and

Canada.

If

you

use

the

radio

where

the

frequency

allocation

system

is

based

on

a

9

kHz

Interval,

such

as

in

the

European

and

other

countries,

set

the

MW

CH

STEP

selector

In

the

battery

compartment

to

9

kHz.

TO

TUNE

IN

A

PRESET

STATION

BATTERY

INSTALLATION

Before

installing

the

batteries,

be

sure

to

check

that

the

MW

CH

STEP

selector

Is

set

correctly.

(See

above.)

Note:

The

unit

cannot

be

operated

on

the

internal

batteries

when

the

AC

power

adaptor,

the

car

battery

cord

or

the

battery

case

Is

connected

to

the

unit.

BATTERY

REPLACEMENT

Replace

all

the

batteries

with

new

ones

when

the

sound

becomes

weak

or

distorted.

Concerning

the

battery

life,

see

"Specifications".

To

replace

the

batteries

Do

It

within

one

minute

since

the

preset

stations

and

the

current

time

will

be

erased

when

more

than

one

minute

has

passed.

After

removing

the

batteries

for

a

long

time

Be

sure

to

preset

the

stations

and

set

the

current

time

and

the

timer

again.

When

the

batteries

are

removed,

the

preset

stations,

the

current

time

and

the

timer-setting

time

will

be

erased.

Insert

the

batteries

with

correct

polarity.

Four

size

AA

(R6)

batteries

■J

Set

the

MAIN

POWER

switch

to

ON.

2

Press

the

ON/OFF

button.

3

Press

the

desired

band

button.

4

Press

the

desired

PRESET

button.

For

removing

the

batteries,

lay

the

battery

strap

underneath

the

batteries.

PRESET

TUNING

ISet

the

MAIN

POWER

switch

Example:

To

preset

an

FM

station

to

to

ON

PRESET

1

button.

2

Press

the

ON/OFF

button.

3

Tune

in

a

desired

station.

(See

page

12.)

4

Press

a

desired

PRESET

number

button

while

keeping

the

ENTER

button

pressed.

3i?.5

«l|

Z

9

4

I

9

I

6

I

7

I

S

9

I

10

n

tZ

||!i"«

FU

The

number

of

stations

you

can

preset

is

15;

five

stations

for

each

band

(FM,

MW/LW,

SW)

can

be

preset

to

each

PRESET

button.

To

change

the

preset

station

Preset

a

station

to

the

desired

PRESET

button;

the

station

previousiy

preset

to

the

button

is

erased.

OTHER

POWER

SOURCES

The

internal

batteries

are

automatically

disconnected

when

the

AC

power

adaptor,

the

car

battery

cord

or

the

battery

case

Is

connected

to

the

DC

IN

6

V

Jack.

House

current

Connect

the

Sony

AC-D4S

AC

power

adaptor

(optional)

to

the

DC

IN

6

V

jack,

and

plug

it

into

a

wall

outlet.

Car

battery

For

use

on

12

V

car

battery,

connect

the

Sony

DCC-127A

car

battery

cord

(optional)

to

the

DC

IN

6

V

jack.

For

use

on

24

V

car

battery,

use

the

Sony

DCC-240

car

battery

cord

(optional).

Battery

case

Connect

the

Sony

EBP-6

battery

case

(optional)

to

the

DC

IN

6

V

jack.

Note:

Use

only

the

recommended

AC

power

adaptor

or

the

car

battery

cord

manufactured

by

Sony.

Polarity

of

the

plugs

of

other

manufacturers

may

be

different.

Poiarlty

of

the

Sony

plug

HOW

TO

SET

THE

CLOCK

To

advance

or

turn

back

the

time

Indication

To

advance

the

time

digits

rapidly,

turn

the

TUNING/TIME

ADJ

controi

quickly.

Turn

it

slowly

to

adjust

the

time

indication

precisely.

Clockwise

To

advance

To

turn

back

Counterclockwise

TO

PRESENT

i^CIDENTAL

CHANGE

OF

THE

RECEIVING

STATION

Press

the

KEY

PROTECT

button.

The

»-n

mark

appears

in

the

display

window,

and

all

the

buttons

on

the

front

panel

and

the

TUNING/TIME

ADJ

control

do

not

work

even

If

they

are

operated

(KEY

PROTECT).

This

function

Is

also

available

when

the

ON/OFF

button

is

set

to

OFF.

To

release

the

KEY

PROTECT

function,

press

the

KEY

PROTECT

button

again

or

set

the

MAIN

POWER

switch

to

OFF.

The

o-n

mark

disappears.

HOW

TO

USE

THE

SUPPLIED

SW

COMPACT

ANTENNA

*1

Fully

pull

out

the

cord

from

the

case.

2

Attach

the

coupler

to

the

telescopic

antenna.

3

When

the

window

can

be

opened:

Extend

the

cord

and

the

case

out

through

the

window,

after

making

sure

there

Is

no

danger.

When

the

window

cannot

be

opened:

Fully

extend

the

cord

along

the

frame

of

the

window.

Coupler

iCF-7700

The

last

station

of

each

band

you

listened

to

Is

memorized

when

you

switched

the

band

to

another.

Therefore,

you

can

go

back

to

the

station

by

pressing

the

band

select

button

again.

Compact

antenna

When

extending

the

cord

outside

Be

careful

not

to

disturb

other

people

and

do

not

let

the

cord

be

touched

by

the

children.

After

using

Wind

the

reel

in

the

direction

of

the

arrow.