Sony ICF-990L User manual

ICF-990L

SERVICE

MANUAL

AEP

Model

UK

Model

ICF-990L

is

almost

same

as

ICF-880L.

This

manual

contains

only

the

points

which

differ

from

ICF-880L

without

exploded

views.

Please

refer

to

ICF-880L

service

manual

(9-956-178-[])

for

the

information

not

contained

in

this

manual.

SPECIFICATIONS

Frequency

range:

FM:

87.6

~

107.5

MHz

MW:

531

-

1602

kHz

LW:

153

—

255

kHz

SW:

5.95

-

18

MHz

Speaker:

Approx.

10.2

cm

(4

1/3

inches)

dia.

8Q

Power

output:

430

mW(at

10%

harmonic

distortion)

Output:

®

jack

(minijack)

Power

requirements:

With

the

supplied

ACpower

cord:

220

-

230

V

AC,

50

Hz

With

four

R6

(size

AA)batteries:

6V

DC

Dimensions

:

Approx.258

x

133

x

65mm

(W/h/d)

(10

!/4x

51/4

x

25/g

inches)

incl.

projecting

parts

and

control

with

carrying

handle

pushed

in.

Mass:

Approx.

1080g

(2

Ib

6

oz)

incl.

batteries

Supplied

accessory:

AC

power

cord(1)

Design

and

specifications

are

subject

to

change

without

notice.

FM/SW/MW/LW

4

BAND

RADIO

ON

Y.

1.

EXPLODED

VIEWS

NOTE:

Color

Indication

Example:

KNOB,

BALANCE

(WHITE)...

(RED)

Parts

Color

Cabinet’s

Color

Items

marked

“*”

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

be

anticipated

when

orderin

these

items.

(1)

CABINET

SECTION

®

of

Appearance

Parts

SPi

Ref.

No.

Part

No.

Description

Remark

Ref.

No.

Part

No.

Description

1

3+925-935-01

GRILLE

(SP)

(BLACK)

-

(BLACK)

5

3-925-937-01

CABINET

(REAR)

(BLACK)

--

-

1

3-925-935-11

GRILLE

(SP)

(WHITE)

-

(WHITE)

g

3-925-937-11

CABINET

(REAR)

(WHITE)

--

2

3-925-934-01

SHEET

(SP)

g

3-925-937-21

CABINET

(REAR)

(BLACK)

-

3

3-925-936-01

CABINET

(FRONT)

(BLACK)

-

(BLACK)

g

3-925-937-31

CABINET

(REAR)

(WHITE)

---

3

3-925-936-11

CABINET

(FRONT)

(WHITE)

-

(WHITE)

10

3-363-363-01

SPRING,

PLUS.

MINUS

4

..'

3-363-372-01

SHAFT

(HANDLE)

11

3-925-938-01

BUTTON

(PRESET)

(BLACK)

-

- -

5

3-926-910-01

SPRING,

CLICK

11

3-925-938-11

BUTTON

(PRESET)

(WHITE)

---

6

3-363-379-31

HANDLE:

(BLACK)

-

(BLACK)

12

3-925-931-01

KNOB

(CONTROL)

(BLACK)

-

--

6

3-363-379-41

HANDLE

(WHITE)

- - -

(WHITE)

12

3-925-931-11

KNOB

(CONTROL)

(WHITE)

---

7

3-363-390-01

LID,

PRESET

(BLACK)

-

(BLACK)

13

3-925-933-31

PANEL

7

3-363-390-1141

LID,

PRESET

(WHITE)

- - -

(WHITE)

ANT1

1-501-362-11

ANTENNA,

TELESCOPIC

(FM)

8

3-363-392-01

LID,

BATTERY

CASE

(BLACK)

- - -

(BLACK)

SP1

1-544-406-11

SPEAKER

8

3-363-392-11

LID,

BATTERY

CASE

(WHITE)

--

-

(WHITE)

@

The

mechanical

parts

with

no

reference

number

in

the

exploded

views

are

not

supplied.

@

Hardware

(#

mark)

list

and

accessories

and

packing

materials

are

given

in

the

last

of

the

electrical

parts

list.

ANT1

Remark

BLACK)

(AEP)

(

(WHITE)

(AEP)

(BLACK)

(UK)

(WHITE)

(UK)

(BLACK)

(WHITE)

(BLACK)

(WHITE)

not

supplied

(2)

CHASSIS

SECTION

Ref.

No.

Part

No.

Description

*

51

3-363-391-11

PLATE,

BACK

*

52

A-3662-296-A

KEY

BOARD,

COMPLETE

(AEP)

*

52

A-3662-302-A

KEY

BOARD,

COMPLETE

(UK)

53

3-363-361-01

TERMINAL

BOARD,

BATTERY

x

54

1-636-867-11

VOLUME

BOARD

*

55

3-363-383-01

CHASSIS

56

3-363-371-01

BUTTON

(POWER)

57

3-363-364-01

SPRING,

MINUS

*

58

A-3679-697-A

MAIN

BOARD,

COMPLETE

(AEP)

*

58

A-3679-701-A

MAIN

BOARD,

COMPLETE

(UK)

59

3-363-387-01

DRUM

(A)

*

60

3-363-397-01

DRUM

(B)

61

3-363-366-01

SPRING,

DRUM

62

3-364-941-11

SCREW

(+B)

(2.

6X5),

NYLOK

Part

No.

Description

Remark

Ref.

No

63

3-363-374-11

KNOB

(T)

(WHITE)

-

- -

(WHITE)

63

3-363-374-01

KNOB

(T)

(BLACK)

-

(BLACK)

64

3-363-375-01

SHAFT

(TUNING)

65

3-363-367-01

BEARING

66

3-363-373-01

GEAR,

MIDWAY

67

3-304-108-00

PULLEY

68

3-363-362-01

SPRING,

LEAF

69

4-880-925-01

RETAINER,

SPRING

70

3-925-932-01

POINTER

71

3-363-369-01

BELT

72

3-925-930-01

KNOB

(BAND)

(BLACK)

- - -

(BLACK)

72

3-925-930-11

KNOB

(BAND)

(WHITE)

- -

-

(WHITE)

73

3-364-731-01

WASHER,

POLY-SLIDER

ICF-990L

2.

DIFFERENCE

ELECTRICAL

PARTS

LIST

_

NOTE:

@

Items

marked

“**”

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

be

anticipated

when

ordering

these

items.

ICF-880L

Part

No.

Description

Part

No.

Description

*

A-3661-212-A

KEY

BOARD

(HAND),

COMPLETE

*

A-3661-215-A

MAIN

BOARD

(HAND),

COMPLETE

(AEP,

Germany)

*

A-3661-207-A

MAIN

BOARD

(HAND),

COMPLETE

(UK)

3-363-359-01

PLATE,

CONTACT,

SPEAKER

1-554-980-31

SWITCH,

KEY

BOARD

(FM1)

1-554-980-31

SWITCH,

KEY

BOARD

(FM2)

1-554-980-31

SWITCH,

KEY

BOARD

(FM3)

1-554-980-31

SWITCH,

KEY

BOARD

(MANUAL)

A\1-450-325-11

TRANSFORMER,

POWER

(UK)

3.

ACCESSORIES

&

PACKING

MATERIALS

AND

HARDWARE

LIST

S101

Ref.

No.

Part

No.

Description

Remark

ACCESSORIES

&

PACKING

MATERIALS

A

oe

iooiok

dtotitok

tok

kkk

tck

dokok

AN

1-590-866-21

CORD,

POWER

(UK)

A

1-696-562-11

CORD,

POWER

(AEP)

3-800-173-11

MANUAL,

INSTRUCTION

(ENGLISH,

FRENCH,

GERMAN,

SPANISH,

DUTCH,

SWEDISH,

PORTUGUESE)

*

3-925-947-01

INDIVIDUAL

CARTON

BAR

AR

AO

EAE

EAA

AA

EA

EERE

EAE

NARA

RTARTA

ITA

RARE

ARIE

FO

OR

ok

kok

fo

ake

ok

ook

ek

ge

tok

yooh

HARDWARE

LIST

Se

eo

eto

bok

tok

top

ICF-990L

*

A-3662-296-A

KEY

BOARD,

COMPLETE

(AEP)

*

A-3662-302-A

KEY

BOARD,

COMPLETE

(UK)

*

A-3679-697-A

MAIN

BOARD,

COMPLETE

(AEP)

*

A-3679-701-A

MAIN

BOARD,

COMPLETE

(UK)

1-553-856-00

SWITCH,

KEY

BOARD

(FM1)

1-553-856-00

SWITCH,

KEY

BOARD

(FM2)

1-553-856-00

SWITCH,

KEY

BOARD

(FM3)

1-553-856-00

SWITCH,

KEY

BOARD

(MANUAL)

A\1-450-324-11

TRANSFORMER,

POWER

The

components

identified

by

#1

7-685-134-19

SCREW

+P

2.6X8

TYPE2

NON-SLIT

#2

7-623-508-01

LUG,

3

#3

7-685-647-79

SCREW

+P

3X10

TYPE2

NON-SLIT

#4

7-685-651-79

SCREW

+BIP

3X20

TYPE2

N-S

#5

7-671-112-11

BALL,

STEEL

A\

are

critical

for

safety.

Replace

only

with

part

number

specified.

mark

A\

or

dotted

line

with

mark.

English

95G0551-1

Sony

Corporation

Printed

in

Japan

Consumer

A&V

Products

Company

©

1995.

7

9-960-307-11

Personal

A&V

Products

Div.

Published

by

Home

A&V

Products

Div.

eee

Quality

Engineering

Dept.

ICF-880L

SERVICE

MANUAL

AEP

Model

UK

Model

Photo

:

WHITE

SPECIFICATIONS

Frequency

range

FM:

87.6

—-

107.5

MHz

(AEP/UK

model)

;

87.6

—108MHz

(Germany

model

)

MW:

531-1602

kHz

LW:

153-255

kHz

SW:

5.95

~—

18

MHz

intermediate

frequency

FM:

10.7

MHz

AM:

455

kHz

Antennas

FM/SW:

Telescopic

antenna

AM

(MW)/LW:

Built-in

ferrite

bar

antenna

Speaker

Approx.

10.2

cm

(4'/,

inches)

dia.,

8

ohms

Power

output

430

mW

(at

10%

harmonic

distortion)

Output

Earphone

jack

(minijack)

Power

requirements

With

the

supplied

AC

power

cord:

UK

model:

240

V

AC,

50

Hz

AEP/Germany

model:

220

V

AC,

50

Hz

With

four

R6

(size

AA)

batteries:

6

V

OC

Battery

life

Manual

tuning:

Approx.

35

hours

using

Sony

batteries

SUM-3

(NS)

Preset

tuning:

Approx.

15

hours

using

Sony

batteries

SUM-3

(NS)

Dimensions

Approx.

255

x

129

x

62.6

mm

(w/hid)

(10%,

x

5'/,

x

2p

inches)

incl.

projecting

parts

and

controls

with

carrying

handle

pushed

in

Weight

Approx.

1025

g

(2

Ib

41/,

oz)

incl.

batteries

Supplied

accessory

AC

power

cord

(1)

Design

and

specifications

subject

to

change

without

notice.

MODEL

IDENTIFICATION

—-

Model

Number

Portion

—

SONY

MODEL

NO.

ICF-880L

FM/MW/LW/SW

4BANDS

-

Carved

on

rear

cabinet

AEP,Germany

model:

AC220V

~

50Hz

4W

©

FM/MW/LW/SW

*

Model

number

|

abel

UK

model:

AC240V

~

50Hz

4W

4

BAND

RECEIVER

ONY.

ICF-880L

SECTION

1

GENERAL

This

section

is

extracted

from

instraction

manual.

ARPaeimeomeeniiin

ts

[11]

MANUAL

(manual

tuning)

button

[4]

FM

preset

tuning

controls

(rear)

[2]

Carrying

handle

[12]

TUNE

(tuning)

control

[3]

POWER

switch

(ON

=

/STANDBY

[13]

VOL

(volume)

contro!

oa)

Turn

clockwise

to

increase

the

[4]

@

(earphone)

jack

(left

side)

volume.

The

sound

through

the

speaker

TONE

control

cannot

be

heard

when

an

earphone

Turn

clockwise

to

increase

the

is

connected

to

the

jack.

treble.

[5]

AC

IN

(input)

jack

(left

side)

Turn

counterclockwise

to

decrease

the

treble.

Speaker

[15]

FM

preset

tuning

indicators

Battery

compartment

(bottom)

[16]

Band

selector

FM/MW/LW/SW

|

6

|

Zs

8

|

TUNE

(tuning)

indicator

.

'

17}

Dial

scales

9

0

Telescopic

antenna

—

FM

preset

buttons

(FM

1-3)

it

Power

Sources

[B]

Batteries

Battery

replacement

When

the

sound

becomes

weak

or

distorted,

replace

all

the

batteries

with

new

ones.

Concerning

the

battery

life,

see

'Specifications”.

Note

If

the

unit

is

not

to

be

used

on

batteries

for

a

long

period

of

time,

remove

them

to

avoid

battery

leakage

and

corrosion.

[C]

House

Current

[®]

Radio

Operation

|

1

Depress

the

POWER

switch

(<)

to

turn

on

the

unit.

2

Select

a

desired

band.

3

Tune

in

a

desired

station.

4

Adjust

the

volume.

5

Adjust

the

tone

to

your

preference,

The

TUNE

indicator

lights

up

when

a

station

is

tuned

in.

To

turn

off

the

radio,

press

the

POWER

switch

(a).

Note

While

the

FM

preset

indicator

is

being

lit,

you

cannot

use

the

manual

tuning.

!f

you

tune

in

a

Station

manually,

press

the

MANUAL

button

again.

[E]

Preset

Tuning

How

to

Preset

You

can

preset

up

to

3

FM

stations

(one

station

for

each.

FMi,

FM2,

and

FM@

buttons).

1

Preset

FM1

button.

2

Turn

the

VOL

contro!

a

little

to

get

sound.

3

Tune

in

a

desired

FM

station

using

the

FM1

preset

tuning

control.

Turn

the

control

toward

MAX

for

higher

frequencies,

and

toward

MIN

for

lower

frequencies.

When

the

station

is

tuned

in,

the

TUNE

indicator

will

light

up.

The

station

is

now

preset.

Preset

on

the

FM2

and

FM3-

buttons

in

the

same

way.

4

Adjust

the

volume.

To

change

the

preset

station

Preset

a

new

station

on

a

desired

button.

To

Tune

in

a

Preset

Station

The

desired

FM

station

will

be

received

simply

by

pressing

the

FM1,

FM2,

or

FM3

button

after

pressing.

To

turn

off

the

radio,

press

the

POWER

switch

(1).

When

you

turn

on

the

radio

again,

the

station

previously

tuned

in

manually

will

be

received.

For

private

listening,

connect

an

earphone

to

the

©

jack.

[F|

To

Improve

Receiving

Condition

FM

-

Extend

the

telescopic

antenna

and

adjust

its

length,

direction

and

angle

for

the

best

reception.

MW/LW

Since

the

reception

is

affected

by

the

direction

of

the

radio,

rotate

the

unit

horizontally

for

optimum

reception.

sw

Extend

the

telescopic

antenna

vertically.

Notes

*

In

vehicles

or

in

buildings,

radio

reception

may

be

difficult

or

noisy.

Try

listening

near

a

window.

*

Keep

the

radio

away

from

the

metallic

objects.

How

to

use

the

carrying

handle

Utilisation

de

la

paignée

de

transport

Verwendung

des

Tragegriffs

Cémo

emplear

el

asa

de

transporte

1

FM/UKW

To

install

To

remove

Pour

installer

Pour

retirer

Einiegen

Herausnehmen

Para

colocarias

Para

exiraerlas

Four

R6

(size

AA)

batteries

Quatre

piles

R6

(format

AA)

Vier

Mignonzelten

(Fi6)

Cuatro

pilas

A

(tamaio

AA}

to

the

AC

IN

jack

&

la

prise

AC

IN

an

AC

IN-Buchse

ata

toma

AC

IN

to

@

wall

outlet

a

une

prise

murale

an

eine

Wandsteckdose

a

una

toma

de

la

red

—_

AC

power

cord

(supplied)

Cordon

o'alimentation

secteur

(fourni)

Neatzkabel

(mitgelietert)

Cable

de

alimentacién

de

CA

(suministrado)

fear

arriére

/

Riickseite

posterior

AM

(MWY)LW

SECTION

2

DIAL

POINTER

FITTING

Note

:

Follow

the

dial

pointer

fitting

procedure

in

the

numerical

over

given.

1.

INSTALL

DRUM(1

)

drum

(B)

Rotate

the

drum

(B)

in

arrow

@)

direction

while

inserting

it

into

the

drum

(A)

as

shown

tn

the

figure,

drum

(A)

2.

INSTALL

DRUM(2)

@

Confirm

that

the

drum

hole

is

not

dislocated.

@®

Adjusting

the

position

as

shown,

attach

the

drum

to

the

CV1.

@

screw(+B2.6x5)

1)

Turn

fully

the

CV1

toward

arrow

@®

3.

INSTALL

DRUM

SPRING

drum

spring

4.

INSTALL

BELT

5.

INSTALL

BACK

PLATE

6.

INSTALL

DIAL

POINTER

@

Fix

the

pointer

and

belt.

©

isp

cutnie

@

Aligning

the

positions

@

and

®,

attach

the

pointer

locking

compound.

MW/4LW/SW

BAND

switch

:

MW/LW/SW

AM

RF

signal

generator

(MW,

LW)

30%

amplitude

modulation

by

400Hz

signal

output

level:as

low

as

possible.

AM

RF

signal

generator

(SW)

30%

amplitude

modulation

by

400Hz

signal

output

level:as

low

as

possible.

[MAIN

BOARD]

(CONDUCTOR

SIDE)

SECTION

3

ELECTRICAL

ADJUSTMENT

Put

the

lead

wire

antenna

close

to

the

set.

SW

antenna

input

land

ee

SW

RF

signal

generator

BAND

switch

:

FM

RF

signal

generator

input

terminal

Ca»

0.01

uF

Eon

£22,

5kHz

frequency

deviation

by

400Hz

signal

output

level:as

low

as

possible.

VTVW

(range:0.

5-5V

ac)

telescopic

antenna

322

\

@®)

jack

(earphone)

Note

:

LW

adjustment

should

be

made

after

making

MW

adjustments.

(#1)

Repeat

the

procedures

in

each

adjustment

several

times,

and

the

frequency

coverage

and

tracking

adjustments

should

be

finally

done

by

the

trimmer

capacitors.

AM

IF

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM,

|

12

|

A55KH2

|

MW

FREQUENCY

COVERAGE

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

L9

920kHz

|

CT7

1,

650kHz

MW

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

L4-MW

620kHz

CT2

1,

400kHz

LQ

MW

Frequency

Coverage

L10

SW

Frequency

Coverage

CT2

MW

Tracking

LT

FM

Tracking

CT5

FM

Tracking

CT7

MW

Frequency

Coverage

CT6

FM

Frequency

Coverage

SW

FREQUENCY

COVERAGE

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

L10

5.

850.

1MHz

CT9

18.

20.

IMHz

SW

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VIVM.

5.

85-40.

1MHz

18.20.

1MHz

t

—

LW

FREQUENCY

COVERAGE

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

CT8

145kHz

CHECK

|

260kHlz

&

MORE

tt

*]

LW

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

L4-LW

160kHz

CT3

240kHz

FM

IF

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

Th

10.

7MHz

{Adjustment

Location]

L4-MW

MW

Tracking

CT3

LW

Tracking

CT1

FM

Frequency

Coverage

Preset

(MAIN

BOARD]

(CONDUCTOR

SIDE)

i

L&8

FM

Frequency

Coverage

L5

SW

Tracking

CT9

SW

Frequency

Coverage

CT4

SW

Tracking

CT8

LW

Frequency

Coverage

L4-LW

LW

Tracking

Le

|

ICF-880L

FM

FREQUENCY

COVERAGE

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

Germany

model:87.

35-40.

IMHz

Others

model

:87.

35MHz

C16

Germany

mode!

:108.

050.

4MHz

Others

model:

108.

OSMHz

L8

FM

TRACKING

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

L7

87.

35MHz

Set

PRESET

Switch

S101

to

“

FM

Ich

”.

FM

FREQUENCY

COVERAGE

PRESET

ADJUSTMENT

Adjust

for

a

maximum

reading

on

VTVM.

Germany

model

:87.

350.

IMHz

Others

mode!:87,

35MHz

Germany

model:108.

050.

4MHz

Others

model:

108.

O5MHz

RV204

oO

4

—

RV204

FM

Frequency

Coverage

Preset

{VOLUME

BOARD]

(COMPONENT

SIDE)

+)

[|

Tl

FM

IF

T2

AM

IF

SECTION

4

DIAGRAMS

®

Semiconductor

Locations

4-1.

Printed

Wiring

Boards

ae

|

Ref.

No.

Location

|

Ref,

No

Location

L

+—

i

4

5

6

t

|

8

|

9

10

D1

D-9

Q1

E-4

D2

D-4

Q2

D-5

D

3

D-3

Q

3

Boa

(VOL

D5

D-5

Q4

G-2

ag

D6

E-6

Q5

E-6§

D7

E-6§

Q6

F-6

,

D

8

D-8

Q7

F-4

0

9

E-8

Q

8

E-6

D10

E-8

QQ

E-6

D1

3

G-8

Q10

D-8

D14

G-8

Q11

E-8

D15

D-6

Q12

E-8

zi

D101]

A-5

Q13

E-8

D102]

A-4

Q15

F-6

Bet0-o

ASS

Qio0t]

B-4

D104!

B-4

a

02

Bs

sa

D105

B-4

103

~3

L4

speci

TELESCOPIC

ANTENNA

D106]

B-3

Qi04]|

B-3

[MAIN

BOARD]

Pee

eee

oi

D107]

A-38

Q201

B-10

cone

/

Q?027)

B=1-0

IC

1

D-4

Q203]

B-10

IC

2

E-4

IC3

E-7

IC

4

E-7

J2

IC5

E-6

et

—

I

©)

IC2

0

1

B-9

EARPHONE

sl

ing

ae

Nin

Se

Gate

toon

er

SPI

SPEAKER

aie

18

DRY

ee.

Rice

DESGNATION

)

SIZE

"AA"

R6

4Pcs

6V

Note:

*

O——

:parts

extracted

from

the

component

side.

—jJ=

—

3—

4-2.

Schematic

Diagram

1C201

Fit,

2,

350

(C204

(2/5)

oPD406686

wi

|

[MAIN

BOARD]

TELESCOPIC

ANTENNA

O—-7

o

j

>

1

iz

pte

3

in

:

]

op

5.9

.

=

J

ici

;

ih

ans

(©

s1-5

w

{gs

1C20%

(3/5)

$1-3

cl

>

u

=

360>

$1-6

Cage],

:

Pac

wl

et

oi

2a

Pat

:

en

ee

lex

(4/5)

i

sPD40668G

G)

ro

(4)

16201

(1/5)

aPpsoccag

Vss

esas

eae

6)

|

Ll

(C204

(8/5)

Ot

0P0

406680

18S226

FREQUENCY

COVERGE

AY204

106

[KEY

BOARD}

A121.2.24

|

ut

:

|

1

(rune)

S,

sities

AM

OFM

OREGSFM

AFC)

OAMSsCVOL)sNF”sODESCRE

EARTH

AF

osc osc

FM/AM

ne

frau

Der

AMP,

’

1c2

CKATON9S

TF

AMP.

DET

IF

AFCIW) AFC(J)

DET

AF

ORIPPLE

Ar

LED

EARTH

AGC)

«OOUT)«

IN

FILTER

«48

QUT.

EARTH

d

a:

rj

a

Le

2.1(0.8)

c0>[0)

5

orch

sate

SWETCHING

ee

See

Ree

e

«2

6

Toh)

13

C76

9.01

of

To

aia

if

ot.

IN40O2AT

le

vaio?

SWITCHING

O

-—

b14

i.

ot

I!

1N4002AT

lot

to

:

1¢4

(S75)

reer

sai

lot

_tol

:

ot

Lo

he

Z

ol

Lod

Vo

Be

ofl,

5

iL

Gd

t-

a

ya}

(ec

DESLONAT

ION)

4pcs.6¥

Note:

;

-

All

capacitors

are

in

wF

unless

otherwise

noted,

pF:

u

uF

*

Voltage

is

de

with

respect

to

ground

under

no-signal

(detuned)

50WV

or

less

are

not

indicated

except

for

electrolytics

conditions.

and

tantalums.

no

mark:

FM

-

All

resistors

are

in

Q

and

%

Wor

tess

unless

otherwise

(

)

MW

speci

fied,

<

>

LW

.

A

:internal

component.

C

]

:SW

-

Voltages

are

taken

with

a

VOMCinput

impedance

10MQ).

Voltage

variations

may

be

noted

due

to

normal

production

Note:

The

components

identified

by

mark

A

or

dotted

line

with

mark

A

are

cirtical

for

safety.

ees

Replace

only

with

part

number

speci

fied.

"

otgnal

patn.

ef

=>

:FM

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Sony ICF-990L User manual

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