Panasonic National panasonic r-441b User manual

4.

BAND

PORTABLE

RADIO

_—

R-

A4iB

SPECIFICATIONS

_

Frequency

Range:

|

MW.

525~1605

kHz

(571~187m)

SW1

1.6~4.5

MHz

(187~66.7m)

SW2

4.5~12

MHz

(66.7~25.0m)

.

SW3

12~26.1

MHz

(25.0~11.

om)

_

Intermediate

Frequency:

~

455

kHz

©

Sensitivity:

MW

30znV/m

fot

50mW

Output

SW1

30.

pV/m

for

50mW

Output

SW2

30nV/m

for

50mW

Output

SW3

30nV/m

for

50mW

Output

Power

Output:

TW

Maximum

Power

Source:

-

AC

110V/220V

50-60Hz

or

_

6V

(Four

"D’”’

Size

Pashight

Batteries).

(NATIONAL

UM-1

or

equivalent)

-

Power

Consumption:

—

AW

(AC

Only)

Speaker:

10cm

(4°)

PM

Dynamic

Speaker

Dimensions:

|

ao

296(Wide)

x

186(High)

x

99.

5(Deep)mm

ie

|

(1136"°

x

75%”

x

324")

_

Weight:

|

_

2kg.

(4

Ib.

6.5

oz.)

without

batteries

_

Impedance:

Speaker

-

82a

EI

TO

REMOVE

CHASSIS

.

Remove

four

(4)

control

knobs

from

cabinet.

the

lower

part

of

the

back

cover.

.

Remove

four

(4)

red

chassis

cover

screws.

.

Pull

out

plugs.

figure.

Oo

Taw

N=

phono

jack

and

AC

cord

from

cabinet.

7.

To

reassemble,

reverse

the

above

procedure.

Note:

When

mounting

fine

tuning

knob,

set

red

marking

of

the

fine

tun-

ing

shaft

facing

up

and

insert

fine

tuning

knob

onto

the

shaft,

set-

ting

knobs

dot

to

the

center

of

red

marking.

‘Red

Screw

No.1_

Red

Screw

No.2

©

Red

Screw

No.3

(XTNSDIOER)

iokbin:

rhaaale

(XTN3D10B8R)

Red

Screw

No.4

“Red

Screw

No

‘Red

S&r¢w

No.6

(XTN3DI0BR)

ss

(XTNGDIOBR)

~=———S—S=«(X

NCR)

<EXPORT

DIVISIOND

MATSUSHITA

ELECTRIC

TRADING

CO.,

LTD.

P.O.

Box

288

Central,

Osaka,

Japan

.

Open

the

cabinet

back

cover

by

removing

the

two

hooks

on

|

.

Remove

six

(6)

red

chassis

screws,

nos.

1~6,

as

lustrated

in

.

To

remove

chassis

completely,

unsolder

lead

wires

to

‘speaker.:

3

battery,

EXT.

antenna

&

earth

terminals

and

remove

meswenene.

Earphone

Jack

-

890

Phono

Jack

-

470ka

th

1.

Remove

dial

back

plate.

2.

Dial

cord

length

i

is

130cm

(51

3°

a

3.

Tuning

gang

is

positioned

at

minimum

capacity.

4.

Arrows

(1~9)

indicate

correct

order

and

direction

of

installation

dial

cord.

.

Cement

dial

cord

ends.

on

1

TO

MOUNT

DIAL

POINTER

|

|.

Set

tuning

gang

fully

closed

position.

2.

Set

dial

pointer

to

start

point

of

dial

back

plate.

3.

Attach

dial

cord

to

dial

pointer.

(oO)

(e)

Pulley

Cord

Pulley

6

Ns

7

Ce

3

turns

_

OON

Cone

=

:

9

Pa

))

/

Tuning

Shalt

|

f

7

/

tf

i

{©

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ELECTRIC

INDUSTRIAL

CO.,

LTD.

RADIO

and

STEREO

DIVISION

DIAL

CORD

INSTALLATION

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OLEADIN,

CB.

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Circuit

Board

Wiring

View

(Ocm(4")

PM

DYNAMIC

SPEAKER

TERMINAL

AC-

BATTERY

SELECTOR

SWITCH

on

|

L—_—

TONE

SAITCH

AC

50or60Hz

“\

~

RW

OK(D)

VOLUME

CONTROL

W/ON-OFF

SWITCH

FINE

TUNING

GANG

TR

DI

TR302

TR!

T2Tt

T3

Tt

oe

FI.

Cc

poe

t—

[ez

&

Ae

L6

L9

L2

La

19

LiL3

L5

Le

Negative

Voltage

Line

|

as

ae

se

7

, ,

ta

eavtie

|

tra

bse

oi

Positive

Voltage

Line

&

i.

=

wee

{

;

‘

a

ALIGNMENT.

INSTRUCTIONS.

Notes:

ae

Set

volume

control

to

maximum.

4.

Set

AC-

battery

selector

switch

to

battery.

2.

Set

tone

switch

to

high.

§..

Set

fine

tuning

to

center.

3.

Set

band

selector

switch

to

MW,

SW,

sWe

or

SW3.

6.

Set

power

source

voltage

to

6

volts

DC.

7.

Output

of

signal

generator

should

be

no

higher

than

ne

Ceeealy

to

obtain

an

output

reading.

i

SIGNAL

GENERATOR

—*+/|—s—

RADIO.

DIAL_—sC}.-_s

INDICATOR

| . :

SETTING

“(ViVi

or

CONNECTIONS

FREQUENCY

|

[DISTANCE]

SCOPE)

MW

ALIGNMENT

eemecne

REMARKS

_

Fashion

loop

of

|

7

Point

of

non-

|

Ti

(Ast

IFT)(P)

1

several

turns

of

wire

a

Nine

interference.

Output

meter

Tz

(ist

IFT)(S)

Adjust

for.

and

radiate

signal

with

400

Hz.

(on/about.

woiee

Boll

T3

(2nd

IFT)

maximum

output.

into

loop

of

receiver.

|

-

600

kHz)

Ta

(3rd

IFT)

rere

for

maximum

output,

Adjust

(L2)

by

moving

coil

bobbin

along

ferrite

core.

550

kHz

.

(10.0mm

(%")}

‘Ls

(OSC

Coil)

7

550

kHz

|

(*)iL2

(ANT

ra

Dey

C13

(OSC

|

Adjust

for

1600

KHz

1600

kHz

|

C

an

ales

Bey.

:

Seipiin

rN

epeat

steps

|

(96.3mm

(372"))_

Trimmer)

and

(3).

SW1

ALIGNMENT

1.6

MHz

~

(3.3mm

(%"))

|

Adjust

for

maximum].

output.

AdjustL3

by

|

moving

coil

bobbin:

along

ferrite

core.

-

Ly

(OSC

Coil)

(

Ils

(ANT

coll

Crz

(OSC

)

Trimmer):

—

Cs

(ANT

|

-

Trimmer)

-

Adjust

for

maximum

output.

|

Repent

steps

(4)

and

(5).

4.5

MHz

©

(103.0mm

(44%")]

after

completing

alignment.

SW2

ALIGNMENT

|

4.5

MHz

~

(3.3mm

(%"))

+

Cement

antenna

bobbin

with

wax

Stand

frame

antenna

and

radiate

ae

to

frame

antenna.

La

(OSC

Coil)

Le

(ANT

Coil)

Adjust

for

maximum

output.

AH

_

C22

(OSC

Adjust

for

bee

Trimmer)

—

maximum

output.

(103.0mm

(4%")]

C7

(ANT

Repeat

steps

(6)

Trimmer)

and

(7).

SW3

ALIGNMENT

12

MHz

(3.3mm

(%")]

Ls

(OSC

Coil)

ts

(ANT

Coil)

_

Adjust

for

.

maximum

output.

.

Cze

(OSC

|

Adjust

for

9

26

Miz

c

ann

ai

adt

elt

oe.

|

ae

9

epeat

steps

CIOS.

Crom

76

2)

Trimmer)

|

and

(9).

MW

ANT

ie

a

al

poss

Sw

Ant

.

Swat

eee

ae

a

&]

~

O

Je,

|

O

*

Ea)

“ee

:

cy}

(Ah

(s

au

He

ie

a

Sm

)aNT

Ss

‘Ti

Ati

=

XOXO)

ca

AM

Ist

e)

-

ase

van

SW

ANT

1.

12MHz

jral

e]

”

a

iS)

ale

elo]

Se

==

a

A

sae

sate

:

‘Lal

Lal

=

‘OOOa

ih

mw

0osCc

ay

rite

ee

Sw30SC

.

1800eHz

45M

12My

26uHe

‘Ss

&

a

Ao.

7

Set

oe

git,

“oak

ee

Alignment

Points

|

» 3

/

ys

“|

REPLACEMENT

PARTS

LIST

a

|

RADIO

MODEL

R-441B

|

NOTES:

1.Part

numbers

are

indicated

on

most

mechanical

parts.

_

Please

use

tnis

Part

number

for

parts

orders.

2.®@

indicates

the

New

Parts.

|

3.A—C

rank:

A

rank

parts

will

cover

80%

of

repair

needs.

—

|

‘

A+B

rank

parts

will

cover

95%

of

repair

needs.

;

C

rank

parts

are

less

necessary.

—

4,Please

use

the

‘Price’

column

as

desired.

|

5.

These

parts

are

illustrated

on

pages

according

to

their

7

|

reference

numbers.

es

ae

Bs,

A

cagice

3

‘TRANSISTORS

AND

DIODES

:

[tRi2s

2SC920

—

Converter

&

1st,

2nd

IF

Amplifier

|

ze

7

288173

Pre

Amplifier

&

1st

AF

Amplifier

D-

|

is

|

THERMISTORS

AND

RECTIFI

9

|

RLOY75S-5

Choke

Coil

are

ee

ba

"

RLF5G61

|

MW,

SW;

Antenna

Coil

bay

4

1

RLA3B18-T

SW2

Antenna

Coil

|

Ke

nN

Ry

qe

@

>

°

RLA3B21-T

—

-

|

SWs

Antenna

Coil

RLO2B73-M

MW

Oscillator

Coil

-

ee

RLO3B36-M

|

SW:

Oscillator

Coil

Lae

RLO3B37-M

|

SWe.

Oscillator

Coil

ed

o

: :

6

r

~

c

9

RLO3B35-M

,

SW3

Oscillator

Coil

RLI2ZB152-M

lst

IF

Transformer

RLIZ2B250-M

2nd

IF

Transformer

RLI2B451-M

3rd

IF

Transformer

RLTSF35

Input

Transformer,

P=3KQ

:S=4000

©

:

1

2

ot

re

ve

@

>

=

4

5

bd

i

|

RLT5J73

Power

IF

Transformer

a

.

:

: ; ;

‘

$

t

;

i

3

:

.

MP

Ren,

GaP

G

:

’

.

See

can

|

oo

o>)

Oo

a

™

:

@

:

‘

2:9

a

Re

MLAS

:

sate

4

——

ET

mr

Sse

sad

yous

iced

™<

beat

cantatas,

cane:

~~"

-

5

o

4

ay

ae

?

‘

TT

Geter,

Wie

apgies

-

.

“ee

-

82/6

ECCD05070DC

7mm,

5OWV,

+0.5mmf,

Ceramic

:

54

re

|

ECQS14715Z

470mmt,

125WV,

£5%,

—

Styrol.

-

ECQS1152KZ

1500mnf,

125WV,

+10%,

Styrol

bd

a 2

\-

.

cr

e

a

ce

.

et

Me

7

2d

, .

.

bare

sey

S

ee

og

Ee

Me

:

4B

at

th

:

Re

,

:

.

\

33

7

ea

a

¢

.

oY

‘

“43g

gy

.

Le

+

:

A

>!

.

F

A

ost

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~

3

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sf

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=

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aes

|

Per

Set}

Price

RESISTORS

5602,

MWatt,

£10%,

Carbon

aa

fRs

ss

[ERDIAVKes1

6800,

MWatt,

£10%,

Carbon

ae

Rossi

[ERDIAVK221—

|

2200,

MWatt.

£10%,

Carbon

|

7

fe

Yenorevcio

[ean

Kvn

2108

Gwen

fw

[enovaviea

[ie

onan

£108,

Com

PERDIAVK222.

|

2.2KO,

MWwatt,

10%,

Carbon

ES

[Ras

=

|

ERDIAVKS62

|

5

6KO.,

Watt,

£10%,

Carbon

ee

=

1.2KQ,

%4Watt,

£10%,

Carbon

——*

;

fe

enaevezag

[ak

Yvan,

108

Caen

<a

imac

ie

[enoveveare

[sro

Jw.

2108

conn

ed,

Han

Sk

Cate

470KO

,

WWatt,

+10%,

Carbon

ate,

4702,

Watt,

£10%,

Carbon

| |

=f

3909,

Watt,

+10%.

Carbon

7

ae

VARIABLE

RESISTOR

110K

(D),

Volume

Controt

R20,

22.32

=

-

1

EVCBOLL25D14

>|

CAPACITORS

31

.

1O0mmf,

50WV,

+10%.

Ceramic

|

ECCDO5120KC

©

12mmf,.

—

BOW,

+10%,

Ceramic

—

coe

=

|

ECCDOS180KC

|

18mm,

BOWV,

£10%,

Ceramic

|

Cru...

23.27]

ECKEOS

1

03MY

|

C34,

35.35.

38.

48.49.52.53.

)

O.01mtd,

5OWV,

+20%,

Ceramic

ECKE05223P

,

£1959%,

Ceramic

0.022mfd,

SOWV

360mmf,

125WV,

+5%,

—

Styrol

_

|

__

|

__

;

ee

R-441

|

Ref.No.

|.

P

N

|

es

eae

eee

-

|

PerSet

:

-

Price

|

Ref.No.

_

Part

No.

|

| -

Description

7

(Pcs)

Remarks

|

,

Cu

_

|

ECQS05122KZ_

1200mmf,

5OWV,+10%,

Styrol

ne

©

C20

|

ECQS05332KZ

.

SOWV,

£10%,

Styrol

—

v4

ECQG05153MZ-N

Cs55.56

0.015mfd,

5OWV,

+20%,

Polyester

-

|

Caz

|

ecacos104mz-n

|

O.1mfd,

SOWV,

£20%,

Polyester

Cas

ts

0.47mfd,

16WV,

—

Electrolytic

3

ir

ie

Cas

33mid,

6.3WV,

Electrolytic

ae

C390

100mfd,

6.3WV,

Electrolytic

ae

a

ae

we

4

220mfd,

6.3WV,

Electrolytic

|

=

Caz

Oo

470mfd.

63WV,

Electrolytic

—

-

es

10mfd,

1OWV,

Electrolytic

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330mmf,

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PVC2K20N

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| |

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EAS10P70SA

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RYAR441BXA

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RGB295—1

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NATIONAL

PANASONIC

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RefNo.

|

Part

No.

_

Description

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Bracket,

Frame

Antenna

M'tg.

—

RMA249

Bracket,

Frame

Antenna.

M’tg.

|

| 2

|

RJS22-2

a:

Jack

EXT.

Antenna

&

Earth

E

RJS23

|

Back

Plate,

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#8

aa

a

|

Handle,

Cabinet

|

;

|

PRKT28

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-

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gS

7

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EXT

Antenna

&

Earth

CA3

—

|

/

7

Tube,

Battery

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Tube

| |

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-

.

|

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Cover

Jack,

Earphone

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N

CH:

|

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No..

Part

No.

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Red

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Chassis

M’tg.

XSN3D8RS

Red

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Chassis

Cover

M’tg.

a

XTN3D8RS°

Red

Screw,

Chassis

Cover

M'tg.

42

|

XANAZT2O

|

Neon

Lamp,

Avester

100

<2

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ee

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bias

Sn

a

RS

HC

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Power

Source

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Polyethylene

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LOCATIONS

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LOCATIONS

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TR

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LOCATIONS

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CA3

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71010215

Printed

wn

Japan

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Panasonic NATIONAL PANASONIC R-441B User manual

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