Sony ICF-C103L User manual

q

SERVICE

MANUAL

Frequency

range

Scan

step

Antennas

Speaker

Power

output

Power

requirements

Dimensions

Weight

ICF-C1O3L

AEP

Model

UK

Model

SPECIFICATIONS

FM

:

87.5

—

108

MHz

MW

:

531

—

1,602

kHz

LW

:

153

-—

281

kHz

Intermediate

frequency

FM

:

10.7

MHz

AM

:

450

kHz

FM

:

0.05*

MHz

(fixed)

MW

:

9

kHz

(fixed)

LW:

2

kHz

==

7

kHz

*

The

frequency

display

is

raised

or

lowered

by

steps

of

0.1

MHz.

(Example:

Frequency

88.05

MHz

is

displayed

as

“88.0

MHz”.)

FM:

FM

wire

antenna

MW/LW:

Built-in

ferrite

bar

antenna

Approx.

6.6

cm

(2

°/e

inches)

dia.

120

mW

(at

10%

harmonic

distortion)

240

V

AC,

50

Hz

Approx.

115

x

110

x

105

mm

(w/h/d)

(4

5/s

x

4

5/s

x

4

‘Ya

inches)

incl.

projecting

parts

and

controls:

Approx.

590

g

(1

Ib

5

oz)

Design

and

specifications

are

subject

to

change

without

notice.

Note

This

appliance

conforms

with

EEC

Directive

87/308/EEC

regarding

interference

Suppression.

-FM/MW/LW

PLL

SYNTHESIZED

CLOCK

RADIO

SONY.

ICF-C103L

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

MARK

/\

OR

DOTTED

LINE

WITH

MARK

/\

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUB-

LISHED

BY

SONY.

ICF-C103L

SECTION

1

GENERAL

|Wevers|i(e)

ame)

mm

Ore)

alice)

(>

This

section

is

extracted

from

instruction

manual.

(1

(2)

13.

ia

aN

oe

iS

Bae

a

Display

window

ALARM

RESET/RADIO

[OFF]

button

SLEEP/RADIO

[ON

button

[3]

BAND

button

TIME

SET/TUNE

(tuning)

+

and

—

buttons

VOL

(volume)

control

(right

side)

[6]

ALARM

MODE

button

TIMER

(count

down

timer)

button

[8]

REPEAT

ALARM/SLEEP

OFF

bar

[9]

Display

window

-

Speaker

ALARM

button

ALARM

(WAKE

UP

STATION)

button

Preset

number

1

—

5

buttons

ENTER/CLOCK

button

AC

power

cord

fié|

FM

wire

antenna

Display

window

Band

indication

FA

RADIO

Jalarm

indication

alarm

indication

TIMER

indication

PRESET

number

indication

[6]

Time/frequency

indication

AM/PM

indication

Zero

second

adjustment

At

step

3,

release

the

ENTER/CLOCK

button

with

the

time

signal.

8

1

Connect

the

AC

power

cord

to

a

wail

outlet.

Time

indication

appears

-

and

flashes

in

the

display

window.

While

keeping

the

ENTER/CLOCK

button

pressed,

press

the

TIME

SET/TUNE

+

or

—

button

to

set

the

time.

The

+

button

advances

the

hour

and

minute

digits

and

the

—

button

reverses

them.

Keep

pressing

the

+

or

—

LG

button

to

advance

or

reverse

the

digit

rapidly.

mr,

PRESET

mm

Lf.

Release

the

ENTER/CLOCK

button.

The

clock

starts

operating.

Note

on

the

time

indication

When

the

radio

is

on,

“:”

of

the

time

indication

is

lit,

and

when

the

radio

is

off,

the

“:”

is

flashing.

Radio

is

on.

Radio

is

off.

—_

rm

A

ml

PRESET

Lf

a

—

ICF-C103L

atz\o/(om@)ercie-licelamiiiiclaer-l

mlb

laliare)

ALARM

RESET/

RADIO

1

Press

the

SLEEP/RADIO

‘ON;

button.

The

band,

frequency

and

the

preset

number

of

the

station

before

the

radio

was

turned

off

appear

in

the

display

window.

After

10

seconds,

the

indication

becomes

the

current

time.

10

atzlol(om@lel-e-1

(elem

(utcleltrclMmeelaliace))

a

Turn

the

VOL

control

a

little

to

get

sound.

3

Press

the

BAND

button

to

select

the

band.

Each

press

of

the

BAND

button

changes

the

band

in

the

following

order.

akee

MW

mde

(The

display

window

shows

the

last

frequency

chosen

in

each

band.)

7

war

~PRESET

mt)

1,

0

4

Tune

in

the

station

you

want

by

pressing

the

TIME

SET/

TUNE

+

or

—

button.

The

FM

tuning

interval

is

set

to

0.05

MHz

and

the

AM

tuning

interval

is

set

to

9

kHz.

(The

FM

frequency

indication

changes

every

0.1

MHz.)

The

LW

tuning

interval

alternates

between

2

kHz

and

7

kHz.

A

beep

sounds

at

the

band

edge.

5

Adjust

volume.

11

To

turn

off

the

radio

Press

the

ALARM

RESET/RADIO.OFF

button.

To

improve

reception

FM:

Extend

the

FM

wire

antenna

fully

to

increase

the

FM

sensitivity.

MW/LW:

Since

the

reception

is

affected

by

the

position

of

the

radio,

rotate

the

unit

horizontally

for

optimum

reception.

For

the

customers

supplied

with

an

FM

antenna

coupler

Pinch

the

FM

wire

antenna

and

the

AC

power

cord

together

with

the

coupler

supplied

and

connect

it

to

a

wall

FM

antenna

terminal

for

optimum

FM

reception.

FM

antenna

coupler

AC

power

cord--—..

to

wall

outlet

FM

wire

antenna

to

FM

antenna

terminal

12

To

check

the

station

you

are

listening

to

Press

the

+

button

lightly.

The

band

and

frequency

appear

for

10

seconds.

e

When

you

turn

on

the

radio

or

change

the

frequency,

the

display

shows

the

band

and

frequency

for

10

seconds,

then

it

shows

the

current

time.

¢

When

you

tune

in

the

frequency

which

is

not

included

in

the

preset

stations,

the

PRESET

number

in

the

display

shows{J

(out).

¢

If

the

EAL

RADIO]

alarm

time

comes

while

listening

to

the

radio,

the

station

chariges

to

that

preset

in

number

1.

13

a

tz(e|(om@)e-lr-ltColam

(atm

[einliele))

You

can

preset

up

to

five

FM/MW/LW

stations

(one

station

for

each

number

button

1

to

5).

When

you

use

the

radio

alarm,

preset

the

station

you

want

for

the

alarm

in

preset

button

1,

as

the

PRESET

1

station

is

the

wake

up

Station.

Tune

in

the

MW

1,260

kHz

(see

“Radio

Operation

(Manual!

Tuning)”).

1

Press

the

ENTER/CLOCK

button.

The

P

indication

flashes

for

10

seconds.

Presetting

the

Station

Example:

To

set

MW

1,260

kHz

in

preset

button

2

While

P

is

flashing,

press

the

2

button.

The

P

indication

becomes

2

(the

preset

number)

and

the

-

beeps

sound.

The

station

is

preset.

Though

the

indication

becomes

the

current

time

after

10

seconds,

the

preset

number

remains.

!

ay

I

m

PRESET

c%

MY

De

|

4

Repeat

steps

1

to

3

for

each

stations

to

be

preset.

To

change

the

preset

station

Preset

a

new

station

in

the

number

of

which

you

want

to

change

the

station.

The

is

canceled.

14.

:

15

Radio

Operation

(Preset

Tuning)

setting

the

Alarm

: 7

:

You

can

set

the

radio

and

buzzer

alarms.

The

wake

up

station

is

Tuning

in

a

Preset

Station

that

preset

in

number

1.

y)

Press

the

preset

number

button

of

the

station.

To

set

the

alarm

time

at

7:00

AM

The

band,

frequency

and

preset

number

appear

in

the

display

window.

After

10

seconds,

the

indication

becomes

the

current

time.

The

preset

number

remains.

To

turn

off

the

radio

=

Press

the

RADIO

[OFF]

button.

i

os

REPEAT

ALARM/

|

4

8

SLEEP

OFF

To

check

the

station

you

are

listening

to

Press

the

preset

number

button.

The

band

and

frequency

appear

for

10

seconds.

Turn

off

the

radio.

While

keeping

the

£:9

RADIO|

ALARM

button

pressed,

set

the

time

by

pressing

the

TIME

SET/

TUNE

+

or

~

button.

Release

the

£-9

RADIO!

ALARM

button.

The

alarm

time

is

set.

The

indication

becomes

the

current

time.

16

SECTION

2

ELECTRICAL

ADJUSTMENTS

AM

IF

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

MW/LW

Section

Seta

Note:

Receive

531kHz.

MW

antenna

close

to

Frequency

the

set.

Part

Display

voltmeter

———

(confirmation)

531kHz

More

than

1.5V

‘|

(Standard

1.7V)

30

%

amplitude

:

1,602kHz

8.5V

400Hz

signal

Note:

Not

use

the

AM

RF

signal

generator

in

this

adjustment.

Output

level:

as

low

as

possible

MW

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

1,404kHz

621kHz

FM

RF

signal

—

Part

Display

voltmeter

(C.-

FM

ANT

(Receive

281kHz)

terminal

(confirmation)

153kHz

More

than

1.0V

+22.5kHz

frequency

deviation

(Standard

1.1V)

by

400Hz

signal

Note

:

Not

use

the

AM

signal

generator

in

this

adjustment.

Output

level:

as

low

as

possible

LW

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

cra

FM

VCO

VOLTAGE

ADJUSTMENT

Adjustment

Frequency

Reading

on

Digital

Part

Display

voltmeter

87.5MHz

More

than

1.8V

(Standard

2,2V)

capacitors.

.

Note:

Not

use

the

FM

signal

generator

in

this

adjustment.

speaker

terminal

e

Repeat

the

procedures

in

each

adjustment

several

times,

and

the

tracking

adjustments

should

be

fimally

the

trimmer

FM

TRACKING

ADJUSTMENT

Adjustment

Location

:

Adjust

for

a

maximum

reading

on

VTVM.

108MHz

87.5MHz

(MAIN

BOARD]

—COMPONENT

SIDE—

[KEY

BOARD]

—CONDUCTOR

SIDE—

a

Late

ac

ote

1

digital

voltmeter

IC1

L5

MW

VCO

VOLTAGE

Adjustment

FM

~Y)

Ld

F=~——

3-1

>

TRACKING

FM

VCO

Adjustment

VOLTAGE

eee

©&)

Adjustment

(S)

LW

VCO

MW

LW

MW

LW

nanan

ne

VOLTAGE

TRACKING

|

TRACKING

—————

Adjustment

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LCD16-LCD11

| |

ICF-C103L

SECTION

3

DESCRIPTION

Signal

Name

LCD10-LCD1

COM3-COM1

MUTE

BEEP

FM

VCO

AM

VCO

AC/DC

ALARM

OUT

TV

OUT

BATT/BAND

1

LIGHT

POWER

INITIALIZE

BAND

2

KEY

SOURCE

KEY

RETURN

LCD16-LCD11

1/0

boomed

—

‘a

oe

Cc

=)

3

S

=)

o

N

a.

sS

oS

pmae

punt

o

3

~

1/O

a

Ct)

|

7)

o¥

~]

rt.

-

|

o

for

doubler

circuit

capacitor

connection

to

develop

LCD

drive

voltage

Audio

signal

mute.

Active

:

Low.

LOW

when

MUTE

ON.

—

PT

f-—MUTE—>|

Activates

buzzer.

V

power

supply

input

terminal

M

VCO

input

M

VCO

input

>|

Mi

ayw

“

or

wn

°«)

Qu

Zz.

jen]

PLL

error

output

Detects

power

supply

line

status.

Power

supply

line

OFF

:

Low

Power

supply

line

ON

:

High

Crystal

oscillator

connection

for

regulator

circuit

capacitor

connection

to

attain

stable

drive

voltage

of

the

oscillator

|

AC/DC

sellect

input

AC:High

DC:

Low

BATTERY

CHECK

input,

BAND

output

FM:Low

MW/LW:

High

Y

IN

control

output

BAND

output

FM/MW:Low

LW:

High

Conducts

Key

Scan

Key

Return

input

ICF-C103L

4-1.

SEMICONDUCTOR

LEAD

LAYOUTS

CXA1019S

(Top

view)

uPD1724GB-589-1A7

NTT

——

28

AT

1S

NTT

MARKING

SIDE

VIEW

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SLEEP/

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$110

$111

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NO

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t

SLEEP

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ALARM

8:

BUZZER

BAND

TIME

SET

TUNE

-

ALARM

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UP

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+

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BANO

I\LTERIN

OUT

AGC

GNO

METER

N.C

IF

INIF

IN

SELECT

s=

Tun

inc

METER

ING

METE

||

AF

R

F

GNO

FM

NF

VOL

AM

AFC

FM

REQ

FM

AM

N.C

FM~

FE

FM/AM

OISCRI

osc

OSC

OUT

RF

IN

RF

EN

GND

IF

OUT

Note:

e

All

capacitors

are

in

wF

unless

otherwise

noted.

pF:

uwuF

SOWV

or

less

are

not

indicated

except

for

electrolytics

and

tantalums.

@

All

resistors

are

in

2

and

'/,W

or

less

unless

otherwise

specified.

e

&

:

internal

component.

Note:

The

components

identi-

fied

by

mark

or

dot-

ted

line

with

mark

are

critical

for

safety.

Replace

only

with

part

number

specified.

e

Voltage

and

waveforms

are

dc

with

respect

to

ground

under

no-signal

(detuned)

conditions.

no

mark:

FM

(

):

MW

<

=

OL

VV

_@

Voltages

are

taken

with

a

VOM

(Input

Impedance

10M

2).

Voltage

variations

may

be

noted

due

to

normal

produc-

tion

tolerances.

®

Signal

path.

cS

:FM

ICF-C103L

NOTE:

*

-XX,

-X

mean

standardized

parts,

so

they

may

have

some

differences

from

the

original

one.

*

Color

Indication

of

Appearance

Parts

Example:

KNOB,

BALANCE(WHITE)...(RED)

D t

Parts

color

Cabinet’s

color

SECTION

5

EXPLODED

VIEWS

*

Items

marked

”

*

”

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

be

anticipated

when

ordering

these

items.

*

The

mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

*

hardware

(#mark)

list

is

given

in

the

last

of

this

parts

list.

The

components

identified

by

mark

A

or

dotted

line

with

mark

are

Critical

for

safety.

eplace

only

with

part

number

specified.

AE9:

French

model

5AEQ9

:

Swiss,

Belgian

model

Ref.

No.

Part

No.

Description

Remark

Ref.No.

Part

No.

—

Description

Remark

1

A-3635-751-A

CABINET

(UPPER)

ASSY

(UK)

*

8

A-3661-574-A

MAIN

BOARD,

COMPLETE

(UK)

1

A-3635-781-A

CABINET

(UPPER)

ASSY

(AE9,

5AE9)

+

8

A-3661-623-A

MAIN

BOARD,

COMPLETE

(AE9,

5AF9)

2

3-377-637-01

PANEL

g

3-377-643-21

CABINET

(LOWER)

3

1-692-143-11

SWITCH,

RUBBER

KEY

10

7-685-154-19

SCREW

+P

3X35

TYPE2

NON-SLIT

4

7-685-648-79

SCREW

+P

3X12

TYPE2

NON-SLIT

11

3-368-852-01

FOOT

#5

A-3679-396-A

KEY

BOARD,

COMPLETE

(UK)

A\12

1-556-035-00

CORD,

POWER

(UK)

#5

A-3679-420-A

KEY

BOARD,

COMPLETE

(AE9,

5AE9)

AM13

1-555-795-00

CORD,

POWER

(AE9,

5AE9)

*

6

3-377-644-01

CHASSIS

SP1

1-503-082-00

SPEAKER

7

3-368-840-21

KNOB

(VOL)

Sony ICF-C103L User manual

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