Panasonic RF-444 Manuale utente

ORDER

NO.

TD83050104C1

FM/AM/FM

STEREO

RADIO

with

FEATHERWEIGHT

STEREO

HEADPHONES

SPECIFICATIONS

Frequency

Range:

FM88~

108MHz

Dimensions:

72(Wide)

117(High)

25(Deep)mm

AM525~

1610kHz

(2-Th"

X45"

X1)

intermediate

Frequency:

FM10.7MHz

Weight:

121g

(4.2

oz)

Without

Batteries

AM455kHz

Impedance:

Headphone

Jack

:+::*+"**

250000

Sensitivity:

FM1.8uV

(—

6dB,

Limit.

Sens.)

Featherweight

Stereo

Headphones

56.34V/m

for

1mW

Output

Input:

ImW

(Max.

25mW)

Power

Output:

~—

6O0mW

(30mW

Maximum

Impedance:

32.Q

Batteries:

3V(Two

“AAA”

Size

Penlight

Batteries)

Connection

Cord:

1.5m

(59%6")

(Panasonic

UM-4

equivalent)

Weight:

55g

oz.)

with

cord

Weights

and

dimensions

shown

are

approximate.

(Les

poide

dimensions

mentionnes

sont

approximatifs).

Specifications

are

subject

change

without

notice.

Matsushita

Engineering

and

Panasonic

Hawaii

Inc.

Panasonic

Sales

Company,

Service

Company

91-238

Kauhi

St.

Ewa

Beach

Division

Matsushita

Electric

Meadowland

Parkway,

P.O.

Box

774

Puerto

Rico,

Inc.

Secaucus.

New

Jersey

07094

Honolulu,

Hawaii

96808-0774

Ave,

Infanteria,

9.7

Victoria

Industrial

Park

Matsushita

Electric.

Carolina,

Puerto

Rico

00630

Canada

Limited

5770

Ambler

Drive,

Mississauga,

Ontario,

L4W

2T3

Rear

Cabinet

Ass’y

: :

(

lip

Battery

Cover

Cem

mmc

reece

een

eene

erseeseee

pe}

Screw

(2X8

vis

rstne

vaedistewasa

ervereosie(

CVD

Cabinet

Cover

vee

deeedensreeeeresedeseeseee(DP

Pcaicteeec

amare,

1ekar

aioe

DIAL

CORD

LENGTH:

36.5cm

(14-9/64”)

CORD

PULLEY

OSC

CT2|

OSC

Sie

109.3

MHz

1650

kHz

ANT

|-AM

1st

455

kHz

tst

4500

kHz

10.7.

MHz

T4.)

end

ind

0.7

MHz

cs0

kHz

Fig.

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

MEASUREMENTS

AND

ADJUSTMENTS

ALIGNMENT

INSTRUCTIONS

READ

CAREFULLY

BEFORE

ATTEMPTING

ALIGNMENT

Notes:

Set

volume

control

maximum.

Set

power

source

voltage

volts

DC.

Set

band

switch

FMST.

Output

signal

generator

should

higher

than

Set

power

switch

ON.

SWEEP

GENERATOR

VOLTMETER

[CONNECTIONS

FREQUENCY

SCOPE)

AM-IF

ALIGNMENT

Fashion

loop

necessary

obtain

output

reading.

INDICATOR

(ELECTRONICS

RADIO

DIAL

SET.TING

(DISTANCE)

ADJUSTMENT

REMARKS

Point

non-

455

kHz

Output

meter

several

turns

wire

interference.

(AM

lst

IFT)

Adjust

for

and

radiate

signal

Ratan

Gace

null

(AM

2nd

IFT)

maximum

output.

into

loop

receiver.

600

kHz

;

Tuning

capacitor

”

511

kHz

fully

closed.

Tuning

1650

kHz

capacitor

”

fully

open.

”

1500

kHz

Tune

signal.

(*1)

Cement

antenna

bobbin

with

wax

after

completing

alignment.

High

side

thru.

0.001uF

point

Negative

side

10.7

MHz

point

Connect

point

through

dummy

antenna

Negative

side

point

(Refer

fig.

8.)

(*2)

Three

output

responses

will

present;

proper

tuning

the

center

frequency.

(AM

OSC

Coil)

CT4

(AM

OSC

Trimmer)

Adjust

for

maximum

output.

Adjust

moving

coil

bobbin

along

ferrite

core.

("1)L4

(AM

ANT

Coil)

Adjust

for

maximum

output.

Repeat

steps

(2)—(5).

CT3

(AM

ANT

Trimmer)

Connect

vert.

amp.

scope

Point

non-

Adjust

for

maximum

ane

point

(FM

lst

IFT)

amplitude.

MHz)

Negative

side

(Refer

fig.

6).

point

Adjust

for

maximum

(FM

2nd

IFT)

amplitude.

(Refer

fig.

7).

Tuning

capacitor

fully

closed.

Output

meter

across

voice

coil.

(*2)Adjust

for

maxi-

mum

output.

86.2

MHz

(FM

OSC

Coil)

Tuning

CT2

(FM

OSC

capacitor

Trimmer)

fully

open.

(FM

ANT

Coil)

CT1

(FM

ANT

Trimmer)

Adjust

for

maximum

output.

Repeat

steps

(8)~(11).

SSEPARATION

ALIGNMENT

SIGNAL

EQUIPMENT

GENERATOR

CONNECTION

SOURCE

ELECTRONIC

ADJUSTMENT

SPECIFICATON

REMARKS

CONNECTION

COUNTER

Adjustment

pilot

signal.

---(+)side

---(—)side

Adjust

VR3

for

kHz

100Hz)

MHz,

kHz

reading

electronics

counter.

(SG

imp

ail

Receiver

Fig.

Dummy

Antenna

eee

‘uoIpzISOd

WY------

(

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‘uoiyisod

W4------

‘Asayyeg

jeuiwsa}

adiesau

paseq

19}aW}jOA

‘LT

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3sa].....-

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SjUaWsINSea

ade}JOA

(MIIA

WOLLO8)

I-€S

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‘julod

3Sa}

SMOYS

(ga)

ay,

“Zo

(HDIH---

CMO

ard

JUDWIYSMIPY

ODA--eeeecereersseeteere

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EMA

"uolz!sod

HSIH,

YOUMS

BUOL

°Z2-ES

‘T-ES

C C

Sure}

|OLJUOD

QUINOA...

-eeeeeeeeeeeee

eee

'TMA

‘9

(NO---€

‘d4O:--T)

‘UOINSOd

440,

YOUIMS

JaMOd

‘2S

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012

711

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wnwixew

(WV:-©

‘W4---@

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(N62)

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[z2ms

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ara

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€d

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race

wes

Rae

rare

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peestaste

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Orncreany

sete

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teat

eae

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Peas

semaine

Gather

cca

bul

Sotee

Cet

AG6

init

veivessine

saie

ities

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seo

ror

stir

ser

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tort

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rote

sae

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yuig'd

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sreonagn

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Renae)

tage

TAN

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inns

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O/vyv-Ad

Panasonic

Fig.

KHZOZTZA

MREPLACEMENT

PARTS

LIST

-:::-:::-:::---:-::-Model

RF-444/¢e

(TD83050104C1)

NOTES:

indicates

that

only

parts

specified

the

manufacturer

used

for

safety.

The

mark

service

standard

parts

and

may

differ

from

production

parts.

Teane

[ve

INTEGRATED

CIRCUIT,

TRANSISTORS

AND

DIODES

AN7226

RVIBA1360

2SARSX-B

Transistor

(Si)

2SCR?O-B

Transistor

(Si)

2SC1684HS

Transistor

(Si)

25C1684HR

Transistor

(Si)

2SA564

Transistor

(Si)

RVDKB265E

Diode

(Si)

MAI461

Diode

(Si)

RVDSD113

Diode

(Si)

RVDKB265G

Diode

(Si)

LN25RP

Diode

((;a)

COILS

AND

TRANSFORMERS

RLD4Y

Antenna

Coil,

RLO4Y60

Oscillator

Coil,

RLF2Y31

Antenna

Coil,

RLO2B107

Oscillator

Coil,

RLI4B156

IFT,

lst

RLI2B216

IFT,

lst

RLI2B217

IFT,

2nd

RLI4B153

IFT,

2nd

VARIABLE

RESISTORS

EVUCAAT65C14

Variable

Resistor,

10K

(C)/Volume

Control,

Variable

Resistor,

1OK

Q(B)

RVNACI4B2:

{==

VARIABLE

CAPACITOR

VCi~4

RCV4LC4VN

Tuning

Capacitor

W/Trimmer

Capacitor

(CT1~

CERAMIC

FILTER

CF1

RVFSFELO7MAZ

Ceramic

Filter,

Part

Name

Description

Part

Name

Description

COMPONENT

COMBINATION

RXABPWB5

Component

Combination

Switch,

Band

(FM

ST/FM/AM)

Switch,

Power

Switch,

Tone

RSS3B25Z

RSS2B40Z

RSS2B41Z

Jack,

Headphones

RJJ1D15Z

RESISTORS

(Value

OHMS).

ERD25FJ222

22K

4%W

Carbon

ERD25FJ101

100

Carbon

ERD25FJ102

&%W

Carbon

ERD25FJ152

1.5K

Carbon

ERD25FJ332

3.3K

4%W

Carbon

ERD25FJ101

100

Carbon

ERD25FJ472

47K

Carbon

ERD25TJ104

100K

4%W

Carbon

ERD25FJ472

47K

44W

Carbon

ERD25TJ224

220K

Carbon

ERD25FJ221

220

Carbon

ERD25FJ101

100

4%W

Carbon

ERD25T

J224

220K

144

Carbon

ERD25FJ562

5.6K

Carbon

ERD25FJ101

100

.'4%W

Carbon

ERD25FJ222

2.2K

\%W

Carbon

ERD25FJ102

&%W

Carbon

ERD25FJ182

1.8K

Carbon

ERD25F}103

10K

Y%W

Carbon

ERD25FJ682

6.8K

Carbon

ERD25FJ561

560

Carbon

ERD25TJ104

100K

4%W

Carbon

ERD25FJ221

220

Carbon

ERD25TJ104

100K

4%W

Carbon

ERD25FJ221

220

4%W

Carbon

ERD25FJ122

1.2K

Carbon

CAPACITORS

(Value

MICRO

FARADS

except

P.P

PICO

FARADS)

ECCDIH101K

100P

50V

Ceramic

sie

mine

Dal

laa

C10

Cll

C12

C13

C14

C15

C16

C17,18,19

C20

C21,22

C23

C24

C25

C26

C27

C28

C29

C30

C31

C32

C33

C34

C36,38,39

C40,41

C42,43

C45

C46,47,48,

C50,51,52

aes

ree

yet

wee

ees

etree)

ECFVD333MD

ECKDIH103ZF

ECCD1H050C

ECKD1H102MD

ECCDIH330KC

ECCD1H070DC

ECKD1H102KB

ECKD1H102MD

ECKD1H103ZF

ECCD1H150KC

ECCD1H050CC

ECFVD103MD

ECCD1H070DC

ECFVD223MD

ECCDLH82uK

ECFVD223MD

ECEA1AS471

ECFVD223MD

ECEA50Z1

ECEA0JS471

ECKDIHMY2MD

ECCDIHLOOKC

ECKD1H102MD

ECFVD333MD

ECCD1H101K

ECEA50Z1

ECEA5S0Z2R2

ECF

VD223MD

ECEA25Z4R7

ECFVD103MD

ECEASIZRI

ECFVD473MD

ECEA25Z4R7

ECCD1H221K

ECKD1H222MD

ECEAIAS101

25V

Semi-Conductor

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

50V

Ceramic

25V

Semi-Conductor

50V

Ceramic

25V

Semi-Conductor

50V

Ceramic

25V

Semi-Conductor

10V

Electrolytic

25V

Semi-Conductor

50V

Electrolytic

6.3V

Electrolytic

50V

Ceramic

50V

Ceramic

50V

Ceramic

25V

Semi-Conductor

50V

Ceramic

50V_

Electrolytic

50V

Electrolytic

25V

Semi-Conductor

25V

Electrolytic

25V

Electrolytic

50V

Electrolytic

25V

Semi-Conductor

25V

Electrolytic

50V

Ceramic

50V

Ceramic

10V

Electrolytic

RDD205TZ

RBT208TZ

RBT209TZ

RDS2061TZ

RZAF444MKT

RDZ03Y

XSN17+4

RD9266MK

RKH202TZ

RPK238TZ

RPK238T

RPN1182TZ

RPP245TZ

RQX315TZ

Drum,

Dial

Knob,

Volume

Knob,

Tuning

Spring,

Dial

Chassis,

Dial

Ass'y

Cord,

Dial

Screw

ACCESSORIES

Headphones

Belt

clipper

PACKING

MATERIALS»

Gift

Box

(U.S.A

only)

Gift

Box

(Canada

only)

Pad

Polyethylene

Cover

PRINTED

MATERIALS

Instruction

Book

(Canada.

only)

TAMACO

bance]

Pointer

Dial

RKF213TZ7

Rear

Cabinet

RYMF444MKTS

Front

Cabinet

Ass’y

RKK207TZ+

Battery

Cover

RJC215TZ

Terminal,

Battery+Side,

—

Side

RDP214TZ

XTN2+8B

Screw

ELECTRICAL

PARTS

RJC2V4TZ

Terminal,

Battery+

Side,

—

Side

UBMIE]

Pau,

LYD/We

ORDER

NO.

8403013381

Please

use

this

manual

together

with

the

service

manual

for

model

No.

RF-444/¢

order

No.

TD83050104C1

MAJOR

CHANGES:

The

circuit

board

has

been

changed

from

production

March

1984

onward.

CHANGES

REPLACEMENT

PARTS

LIST

Change

Part

NO.

RF-444/©

RF-444/C

(TD83050104C1)

(TD84030133S1)

£3

RBT208TZ

RBT208TY

Knob,

Volume

Part

Name

Description

VR1,

EVUCAAT65C14

RVV2H1C14

Variable

Resistor,

10K

2(C)/Volume

Sot

Remark

CIRCUIT

BOARD

AND

WIRING

CONNECTION

DIAGRAM

Model

RF-444/©

(TD83050104C1)

Matsushita

Engineering

and

Service

Company

50.Meadowland

Parkway,

Secaucus.

New

Jersey

07094

Model

RF-444/©

(TD84030133S1)

Panasonic

Hawaii

Inc.

Panasonic

Sales

Company,

91-238

Kauhi

St.

Ewa

Beach

Division

Matsushita

Electric

P.O.

Box

774

Puerto

Rico,

Inc.

Honolulu,

Hawaii

96808-0774

Ave,

Infanteria,

9.7

Victoria

Industrial

Park

Matsushita

Electric

Carolina,

Puerto

Rico

00630

Canada

Limited

;

5770

Ambler

Drive,

Mississauga,

Ontario,

L4W

2T3

TDHM/CKT

Printed

Taiwan

Indice

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