Panasonic RF-544 Bedienungsanleitung

ORDER

NO.

MD9207070C2

Service

Manual

FM-AM

Portable

Radio

RF-544

aoe

Black

Type

Area

F.R.Germany

Italy

(EG)

SPECIFICATIONS

General

Radio

Section

Power

Requirement

AC;

230~240V,

50Hz

Frequency

Range

FM;

87.5

108

MHz

Battery;

6V,

four

R6/LR6

(UM-3)

batteries

AM;

520

1610

kHz

Power

Output

680mW

...RMS

(max.)

Intermediate

Frequency

FM;

10.7

MHz

Power

Consumption

(AC

only)

AM;

459

kHz

Speaker

8cm

Dynamic

Speaker

(4Q)

Sensitivity

FM;

dB/S50

output

Jacks

Output;

Earphone

(8Q,

370mW)

(-3

Limit

Sens.

)

Dimensions

222

(W)

121

(H)

(D)

AM;

dB/m/50

output

Weight

560g

without

batteries.

Notes

Weights

and

dimensions

shown

are

approximate.

Design

and

specifications

are

subject

change

without

notice.

Panasonic

__-RF-544

SCHEMATIC

DIAGRAM

2.7K...E7EB

J12P...E7€6

J2OP...€G6

C25 Cle

KO.001

-022

cTi

-3

vVRi

Cil

(VOLUME)

KA.2P

CTi-2

|vCi-2

1.2k

OTH

CT1-4

vCi-4

—s

tice

J47P

(1)

POWER

ANMPLIFER

RRPHONE

8Q,370

[Cc

AM/FM

.OET.

FRONT

ENO

POWER

AMP

89)

>K1

C17

we,

Cel

FEI

7C18

C20

eer

6.5ve20

DYNAMIC

iid

16v¥10

SPEAKER

50vV1

018

sove.2

ears

330

mols

jan

oie

T250m

Ste2

$1i-|

"OK

100P

Sg--!

’

JKIO!

;

230~-240V

Cc)

cre

Cc)

crs

Cee

SOHz

10V470

D!101-DI04:RVDISRISOTA

wio02

BATTERY

a7"aa~

SIZE

BATTERIES

EAMAIN

CIRCUIT

[=]

POWER

SUPPLY

CIRCUIT

_RF-544

MEASUREMENTS

AND

ADJUSTMENTS

ALIGNMENT

INSTRUCTIONS

READ

CAREFULLY

BEFORE

ATTEMPTING

ALIGNMENT

Set

volume

control

maximum.

Set

power

source

voltage

DC.

Set

band

switch

FM.

Output

signal

generator

should

higher

than

necessary

obtain

output

reading.

AN-IF

ALIGNMENT

SIGNAL

GENERATOR

INDICATOR

SWEEP

GENERATOR

RADIO

DIAL

(ELECTRONIC

ADJUSTMENT

SETTING

VOLTMETER

—_|

(Shown

Fig.3)

REMARKS

CONNECTIONS

FREQUENCY

OSCILLOSCOPE)

Headphones

Jack

Fashion

loop

several

459kHz

Point

non-

(16

32Q)

turns

wire

and

radiate

30%

Mod.

interference.(on/

/Fabicate

the

plug

showny

T2(AM

IFT)

Adjust

for

maximum

signal

into

loop

receiver.

400Hz

about

600kHz)

(se

cael

haa

°)

output.

the

measuring

instrument.

AM-RF

ALIGNMENT

Fashion

joop

several

output.

signal

into

loop

receiver.

514+3kHz(EG)

fully

closed.

CT1-3

(AM

OSC

Adjust

for

maximum

Trimmer

output.

Adjust

for

maximum

(*1]

(AM

ANT]

output.

Adjust

moving

coil

bobbin

along

ferrite

core.

“

CT1-4

(AM

ANT

;

Adjust

for

maximum

Trimmer)

output.

1639+5kHz(EG)

fully

open.

[*1]

Fix

antenna

coil

with

wax

after

completing

alignment.

FM-IF

ALIGNMENT

INDICATOR

SWEEP

GENERATOR

RADIO

DIAL

(ELECTRONIC

ADJUSTMENT

SETTING

VOLTMETER

(Shown

Fig.

CONNECTIONS

FREQUENCY

OSCILLOSCOPE)

Connect

test

point

Point

non-

cone

amp

through

ceramic

capacitor.

10.7MHz

interference.(on/

ipa

saa

(FM

IFT)

ere

side

test

point

(Sweep)

about

90MHz)

REMARKS

Waveform

shown

Negative

side

test

Fig.

point

BiGEH.

FM-RF

ALIGNMENT

Headphones

Jack

(16

320)

86.2MHz(E/EB)

Variable

capacitor

sFabicate

the

plug

shown,

|L5

(FM

OSC

Coil)

[*2]

Adjust

for

Connect

test

point

87.35+0.05MHz(EG)

fully

closed.

Fig.1

and

then

connect

maximum

output.

through

dummy

antenna.

the

lead

wires

the

plug

the

measuring

instrument.

tive

side

test

point

oMHZ(EEB)

Variable

capacitor

108.2540,05MH2(EG)'

fully

open.

106

MHz

Tune

signal.

{*2]

Three

output

response

will

present;

proper

tuning

the

center

frequency.

ALIGNMENT

POINT

Please

refer

Circuit

Board

and

Wiring

Connection

Diagram

for

test

point

locations.

Measuring

Instrument

16-320

Fig.1

Fig2

OSC

IFT

ANT

1108.25

OSMEL

(459kHz)

(106MHz)

108.25

0.05MHz)...EG

ICT

1-2

-2

CT1-1

IFT

(10.7MHz)

OSC

AMANT

(86.2MHz)...E/EB

(550kHz)

(87.35

0.05MHz)...EG

OSC

ANT

(511kKHz)...-/EB

1650kHz)...E/EB

—

(1500kHz)

(514

3kHz)...EG

te29

Hz)...EG

Fig.

TERMINAL

GUIDE

IC'S,

TRANSISTORS

DIODES

CXA1019S

RVD1SR139TA

CABINET

PARTS

LOCATION

T101(POWER

TRANSFORMER)

[

(MAIN

P.C.B.]

REPLACEMENT

PARTS

LIST

Notes:

Important

safety

notice:

Components

identified

mark

have

special

characteristics

important

for

safety.

Furthermore,

special

parts

which

have

purposes

fire-retardant

(resistors),

high-quality

sound

(capacitors),

low

noise

(resistors),

etc

are

used.

When

replacing

any

these

components,

sure

use

only

manufacturer's

specified

parts

shown

the

parts

list

The

parenthesized

indications

the

Remarks

columns

specify

the

areas.

(Refer

the

cover

page

for

area)

Parts

without

these

indications

can

used

for

all

areas.

Part

Name

Description

[MJ

Indicates

the

Remarks

columns

indicates

parts

supplied

MESA.

VARIABLE

CAPACTTOR(S)

RCV4LCTOV-R

VC,

TRIMMER

Toons)

Teansronven

RLQY505S5

COIL

RLQY50S5

COIL

RLF2C63-0Z

COIL,

ANT

RLD4Y43W

COIL,

OSC

RLO4N214-0

COIL,

OSC

L101

RLQZBIROKT-D)

COIL

L102

RLQZBIROKT-Dy

COIL

TL_|

RLMBIS3-M

Part

No.

Remarks

Part

Name

Description

Remarks

CABINET

CHASSIS

[M]

(E)

[M]

(EG)

[M}

(EB)

DIAL

PANEL

[M]

(E/EB)

X0002B-K

DIAL

PANEL

[M]

(EG)

RGVX0008-H

KNOB,

SELECTOR

RGWX0009-H

KNOB,

TUNING

[M]

RGWX0008-H

KNOB,

VOLUME

—

[M]

XYN3+F8FY

SCREW

XTV3+12G-M_

SCREW

—

EAS8P307JC-

RKMX0009A-H

FRONT

CABINET

RKSX00t1A-H_

REAR

CABINET

RFKHFS44EGK

REAR

CABINET

ASS'Y

RFKHFS44EBK

REAR

CABINET

ASS'Y

RKDX0002A-K

aml

}

Nine

oo}

RLI2B251-M

AMIF

RLO2B118-M

AMOSC

T101__|

RTP1I1B002-V

POWERTRANSFORMER

(M]

—

FILTERS)

CF2

RVFSFU459R

[M]

—

RDGX0006

VARICON

GEAR

RKHX0001-H

HANDLE

RKKX0001-H

BATTERY

COVER

]

RIC93005-1

BATTERY

SPRING

[M}

XEARK162DA-

[M]

]

}

comics

sir

CHEE)

RSS3B45XA-H

SW,

FUNCTION

S101

RJJ1SE01-H

SW,

JACK

W/SW

(JK101)

IK!

RJJD3M9ZA-H

JACK,

EARPHONE

[MI]

JK101

RJJISEO1-H

JACK,

ACIN

man

Accrssorres

—y

RMEX0001

ANTENNA

ROD

SPRING

RJC70031ZB

BATTERY

TERMINAL

(-)

RGCATOED

INTEGATED

CIRCUIT(S)

CXA1019S

IC,

POWER

AMP/AM-FM

—

DIODE(S)

RYDISR139TA

DIODE

RVDISR139TA

DIODE

RVDISR139TA

D101

D102

D103

D104

[M]

RQT1579-E

INSTRUCTION

MANUAL

(M}

(E/EG)

RQT1579-E

INSTRUCTION

MANUAL

__|

[M]

(EB)

CORD

(mI

BG)

CORD

(My

EB)

VARIABLE

RESISTOR(S)

VR,

VOLUME

VRI

]

EVJF8AF15B14

Remarks

patna,

Part

Name

Description

PACKING

MATERIAL(S)

[ais

sor

RPNX0007

POLYFOAM

[M]

XZB30X25A04

POLYBAG

RESISTORS

CAPACITORS

Capacitor

values

are

microfarads

(uF)

unless

specified

otherwise,

P=Pico-farads

(pF)

F=Farads

“

Resistance

values

are

ohms,

unless

specified

otherwise,

1K=1,000

(OHM).

“

Bracketed

indications

Ref.

No.

columns

specify

the

area

(Refer

the

first

page

for

area).

Parts

without

these

indications

can

used

for

all

areas.

Values

Remarks

Values

Remarks

C102

ECKR1H103ZF5

0.01

50V

RESISTORS.

c1o3.-

[ECKRIH103ZF5

|0.01

sov.

nee

RESISTORS

C104

|ECKRIH103ZE5

fxosznet_—

27m,

V4W_(E/EB

CaPacrrors

eee

aNES|

47P

5.6P

50V

Ref.

No.

Ref.

No.

Part

No.

Ref.

No.

Part

No.

Values

Remarks

ECBT1H8R2KCS5|

8.2P

ECBT1H1203C5

12P

50V

(E/EB)

20P

50V

(EG)

50V

6.3V

ECBT1H2003C5

ECBT1H2205C5

22P

ECBTIH8R2KC5|

8.2P

ECBT0J223NS5

0.022

C13

C14

C15

C16

C17

cis

|BCEAICUL00B

16V

C19.

|ECBAIAU47IB

470

—«10V

C20

[BCEAIHU2R2B

2.250

fecEAsu221B

220

63V

C22

|FCRA1AU471B

C23.

|ECFRIC223KR

C214

|ECBA1AU330B

C25

ECBT1H102KB5

C101

ECKR1H103ZF5

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