Panasonic Rf-2900lbs User manual

ORDER

NO.

RD7906-1699C

ervice

Manual

Radio

FM-AM

6-Band

Portable

Radio

RF-2

9OOLBS

Hi

SPECIFICATIONS

Frequency

Range:

FM

=

87.5~108

MHz

Power

Output:

3W

DC

Maximum

LW

150~

410

kHz

(2000~731m)

Power

Source:

AC

110~125V/220~240V

50-60

Hz

or

MW

525~1610

kHz

(571~

186m)

9V

(Six

‘‘D”

Size

Flashlight

Batteries)

SWi

3.2~8

MHz

(93.8~37.5m)

(National

UM-1

or

equivalent)

SW2

8~16

MHz

(37.5~18.7m)

Power

Consumption:

11W

(AC

Only)

SWs

16~30

MHz

(18.7~10m)

Speaker:

10

cm

(4)

PM

Dynamic

Speaker

Intermediate

FM

=

10.7

MHz

Dimensions:

381(Wide)

x

246(High)

x

120(Deep)mm

Frequency:

AM

(LW,

MW

&

SW)

455

kHz

(15

x

94"

x

43”)

SW

ist

IF

2

MHz

Weight:

3.6

kg.

(7

Ib.

15

oz.)

without

batteries

2nd

IF

455

kHz

Impedance:

SPEAKER,

sss

Missiianassnanseacionsnns

80

Sensitivity:

FM

2.5zV

(S/N

26

dB),

Earphone

Jack

......eeeeeeeee

eee

82.

2uV

(3

dB

down

limitter

sens.)

Multiplex

Out

Jack.........

10ka

(40mV)

LW

=

70uV/m

(S/N

6

dB),

FM

Antenna

Terminal

.........

752

600xV/m

(S/N

26

dB)

Phono

Jack

..............,

500ka

(50mV)

MW

30uV/m

(S/N

6

dB),

Recording

Out

Jack......

80ka2

(100mV)

400uV/m

(S/N

26

dB)

SW:

1.8xV

(S/N

6

dB),

19xV

(S/N

26

dB)

SW2

0.8zV

(S/N

6

GB),

9uV

(S/N

26

dB)

SWs_

1.2uV

(S/N

6

dB),

13uV

(S/N

26

dB)

Specifications

are

subject

to

change

without

notice.

—

Matsushita

Electric

Trading

Co.,

Ltd.

Panasonic

P.O.

Box

288,

Central

Osaka,

Japan

RF-2900LBS

LOCATION

OF

CONTROLS

AND

COMPONENTS

O®

®

ee)

ji;

‘)

y

Z

4

H@

CONTROLS

@

Preselector

Switch

@®

Band

Selector

for

Preselector

@®

Preselector

Tuning

Control

@®

Radio

On/Off

Switch

©

Light

Switch

©

Bandwidth

Switch

@

Tuning

Dial

Tuning/Battery

Indicator

©

Digital

Frequency

Counter

Band

Selector

@

Digital

Display

Switch

@

SW

Calibrator

.

®

RF

Gain

Control

BFO

Pitch

Control

@®

BFO

Switch

Tuning

Control

@

Treble

Control

Recording

Output

Jack

Multiplex

Output

Jack

@

Earphone/External

Speaker

Jack

@

Bass

Control

@

Volume

Control

@

DIN

Jack

@

Radio/Phono

Switch

@

AC

Voltage

Selector

@

AC

Input

Jack

@

Telescopic

Antenna

@

External

Antenna

Terminals

@

Battery

Compartment

DISASSEMBLY

INSTRUCTIONS

Dial

Scale

Gear

-

Catch

Start

Point

Fig.

14

Indicator

Catch

of

Cabinet

Start

Ponint

_(W)

Za

Sei

s

Catch

of

Dial

Scale

(W)

Fig.

15

Procedure

To

remove—.

Fig.

16

Remove—.

Shown

in

fig—.

Cabinet

Cover

Ass’y

Battery

Cover

Screw

(3

x

25)

Socket

IF,

RF

Circuit

Board

x1,

2

Band

Knob

Socket

Screw

(3

x

6)

Screw

(3

x

10)

Frequency

Counter

Block

Screw

(3

x

10)

Frequency

Counter

Circuit

Board

Screw

(3

x

6)

Screw

(3

x6)

Dial

Scale

Chassis

Tuning

Knob

Screw

(3

x

10)

Dial

Mechanism

«3,

4,

5

Screw

(3

x

10)

Dial

Scale

x

6,

7,

8,

9,

10

Screw

(23

x

6)

AF

Circuit

Board

Control

Circuit

Board

Catch

of

Cabinet

Start

Ponint

(W)

|

RRDASI¥A

;

|

f

L

a

Dial

Scale

Gear

Catch

Start

Po

int

Fig.

14

Indicator

|

Catch

of

Dial

Scale

(WW)

Fig.

15

Fig.

16

Procedure

To

remove—.

Remove—.

Shown

in

fig—.

1

Battery

Cover

2

Cabinet

Cover

Ass’y

SCKEW

(3X25).

sezsavisssinenescines

ond

(A)

x6

5

3

SOCK

Ct

sissinsisaswensacawwssmpensawenisy

(B)x3

6

4

Balid!

Kn

ODiiiss.scins

sc

siissainaeescilaven

(C)x1

7

5

IF,

RF

Circuit SOCKEL,

.i:osicdnuessnenesheraramaanewnnne

(D)

x7

6

Board

«1,

2

SGrew!

(3:16)

sinsseasensansanneaiceesas

(E)

x2

6

7

SCrew

(S510)

ccasessneasesesseeses

(F)

x6

6

8

Frequency

Counter

Block

Screw

(3X10)

.........ceeeee

eee ees

(G)

x2

6

9

Frequency

Counter

Screw

(3

x6)

anid

isinsieindenesieteesmimse

(H)

x4

9

10

Circuit

Board

Screw

(3X6)!

siiscsscserseanvensaceecs

(I)x2

10

1

TUNING

KRAOD:

wiscsicasisineacanseieeiaaens

(J)

x1

7

Dial

Scale

Chassis

12

Screw

(3X10)

......scccsesesseeens

(K)x5

8

13

BGIE

snscapusisatipiniiscsmninnaadcncetnesead

(L)

x1

12

Dial

Mechanism

+3,

4,

5

14

SCrew

(SAO):

sdencctsnaseewoaeres

(M)

x2

11

15

Dial

Scale

x6,

7, 8,

9,

10

SCEW

(23'X'6)

sevssvsversonesovenrs

(N)

x1

12

16

NOD!

oui sic

cotisacnueesarsaniaecensns

(O)

x6

iA

AF

Circuit

Board

nA

Screw

(3510).

ssisvesscsewaevetieas

(P)x5

16

18

KNOB:

ssichivadaGimelasonenaneandengenuses

(Q)

x3

7

Control

Circuit

Board

19

Screw

(3X10)

....ccsceesesssseeees

(R)

x3

16

4

To

remove—.

Remove—.

Shown

in

fig—.

Procedure

20

T

Screw

(3

x

10)

16

Preselect

Circuit

Board

Screw

(3

x

16)

16

Indicator

Unsolder

17

«

1.

Turn

the

tuning

knob

fully

counter-clockwise.

x

2.

Turn

the

tuning

capacitor

shaft

fully

counter-clockwise.

«x

3.

Turn

the

tuning

shaft

fully

counter-clockwise.

«

4,

Set

the

dial

scale

at

the

position,

as

shown

in

fig.

12.

*

5.

Refer

to

dial

scale

removal

instruction.

«

6.

Loosen

the

two

(2)

screws

(V)

for

the

dial

scale

gear,

as

shown

in

fig.

13.

*

7.

Set

the

catch

of

dial

scale

gear

to

the

start

point

of

dial

scale,

as

shown

in

fig.

14.

«x

8.

Turn

the

tuning

shaft

fully

counter-clockwise.

x

9.

After

mounting

the

PC

board

(IF,

RF

circuit),

turn

the

dial

scale

by

pushing

the

catch

of

dial

scale

and

set

the

start

point

of

dial

scale

to

the

catch

of

cabinet,

as

shown

in

fig.

15.

*

10.

Tighten

the

two

(2)

screws

(W)

for

the

dial

scale

gear,

as

shown

in

fig.

15.

BLOCK

DIAGRAM

TELESCOPIC

ANTENNA

Diode

Switching

Eee

CERAMIC

FILTER

——

ra

q

MPX

OUT

FM

OSC

F

Fi

surrer

[|

FM

OSC

ol

c

(cw

yee

ad

101

2

CLT

ee

ee,

ee

2

2l=aseSaaaee

eee

FILTER

fr

©

| r

7

:

EM,

TUNE/BATT

FM

EM.

TER

®

!

AMP

o)

(/)

o

aM

METER

|

RECT

DE-EMPHASIS

sre

BASS

TREBLE

FM

rss

°

AF

LIMITER

FM

DET

F—()

zz

PRE

AMP

‘AM

pt

aS

A

|

VOLUME

AM

DET

(2

TUNE

EP/EXT

SP

sP

(IMP

82)

POWER

AMP.

COUNTER

DISPLAY

oon

im

ae

ee

/ /

POWER

J

oc

5V

REGULATOR

Q

SH

arCTFIER

‘ACIN

° 8

2

eatuififife

+,

Fig.

18

RF-2900LBS

Procedure

To

remove—.

Remove—.

Shown

in

fig—.

20

7

Preselect

Circuit

Board

Screw

(3

x

10)

16

Screw

(3

x

16)

|

16

Indicator

Unsolder

17

*

1.

Turn

the

tuning

knob

fully

counter-clockwise.

*

2,

Turn

the

tuning

capacitor

shaft

fully

counter-clockwise.

«3.

Turn

the

tuning

shaft

fully

counter-clockwise.

*

4,

Set

the

dial

scale

at

the

position,

as

shown

in

fig.

12.

*

5.

Refer

to

dial

scale

removal

instruction.

*«

6.

Loosen

the

two

(2)

screws

(V)

for

the

dial

scale

gear,

as

shown

in

fig.

13.

*

7.

Set

the

catch

of

dial

scale

gear

to

the

start

point

of

dial

scale,

as

shown

in

fig.

14.

*

8.

Turn

the

tuning

shaft

fully

counter-clockwise.

*

9.

After

mounting

the

PC

board

(IF,

RF

circuit),

turn

the

dial

scale

by

pushing

the

catch

of

dial

scale

and

set

the

start

point

of

dial

scale

to

the

catch

of

cabinet,

as

shown

in

fig.

15.

*

10.

Tighten

the

two

(2)

screws

(W)

for

the

dial

scale

gear,

as

shown

in

fig.

15.

BLOCK

DIAGRAM

TELESCOPIC

ANTENNA

Diode

Switching

AM/SW

Leet]

RF

GAIN

COUTROL

CERAMIC

FILTER

“Yrsour

REC

OUT

.

Cie

CERAMIC

=

ee

Re

a

ee

OO

eee

FILTER

vt

.

t

wa

[|

TUNE/BaTT

METER

o

METER

° 9

|

ai

AMP

ts

;

|

a

!

osc

DE-EMPHASIS.

Ste

BASS

TREBLE

a

Sis

2

a

N

(77

om

mame

AH

AGC

oacc

[O

|

Y

VOLUMI

a

wet,

|

AM

DET

be)

UME:

‘SW

Ist/

|

EP/EXT

SP

AF

AMP

CERAMIC

FILTER

iM

@—-O--——+-—-

4

a

wef

teas

3

IBFO

PITCH|

q

°

CONTROL

Lo

sy

&

(IMP

82)

{C302

COUNTER

DISPLAY

POWER

AMP

COUNTER

camel

earn

ae

s.iemiz

7

erysTat

|

24#O

boesecee

Fig.

18

Notes:

1.

Si-r:~Si-10:

Band

switch

in

‘‘FM’”’

position.

2.

So-1,

S2-2:

Digital

display

switch

in

‘“‘OFF’’

position.

3.

S3-1,

S3-2:

BFO

switch

in

‘‘OFF”’

position.

4.

Sa-1:

Band

width

switch

in

‘‘NARROW”

position.

5.

Ss:

Radio

ON/OFF

switch

in

‘‘OFF”’

position.

6.

Se:

Light

switch

in

‘OFF’

position.

7.

S7:

Phono/Radio

switch

in

‘‘Radio”

position.

8.

Ss:

Voltage

selector

switch.

9.

Ss:

Preselector

switch

in

“ON”

position.

10.

Sto-1~S10-3:

Preselector

Band

switch

in

‘‘MW”’

position.

11.

DC

voltage

measurements

are

taken

with

electronics

voltmeter

from

negative

terminal

of

battery.

ane

Feorer

FM

position

(_

).........

AM

position

G

Satsedetee

SW

position

12.

»mark......

chip

resistor

and

capacitor.

13.

Battery

current.

No

Signal

2.0...

cece

c

cece

ee

ee ee ee

en

ee

eset

eneen

ees

36

mA

Maximum

output

2.0.0.0...

cee

cecee

cece

eee

ee

ee ee

ee

eee eee

eee

600

mA

14.

A\

indicates

that

only

parts

specified

by

the

manufacturer

be

used

for

safety.

15.

‘VRio1

...Meter

Control,

VRz2o1

...RF

Gain

Control,

VR202

...SW

Cal

Control,

VR203

...BFO

Pitch

Control,

VR204

...Base

Control,

VRaos

...

Treble

Control

VR2oe

...Volume

Control,

VR3o1

...D.AGC

Control

Lios.4

Lto3.

os

Li06,

109.

110

°

06

10)

is

He

20|

118.119.

Tot

102.103

° °

04

30

(oa

105

106

Lio2

OFas

©

SS

00000

Soe

Necaeaee

ie

eg

eal

LW

©7876

uy

BAND

WIDTH

LIGHT

POWER

DISPLAY

SW

010

7010

ere

Sh

She

l

58

=

Ir22]

lineal

030

° °

S

000

1

2

3

2

° °

°

ioz0U

Uoz0

20

es

oo

0

Sa-{

Se

Ss

$3-2

Sa-2

Si-4

S{-4

Si-5

St-3

Si-t

ie)

S1-10

Si-8

FM

—

LW-

MW-

9W1

-

SW2

—

SW3

BOTTOM

VIEW

Q201,203,204

Q301,901~908

Q206,207

Cathode

Anode

D101,102,104,108

D201,202,203,301,401

402,403,404

Cathode

Anode

D103,105,106,107

902,903

RF-2900LBS

astigsa,

mvodira

zghin

asinrg

2sndge

FM

BUFFER

AMP

RF-2900LBS

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Si

Riso

1K

Bt

CrorMAa0n

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LAM

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AMP)

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Cie

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COUNTER

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DC-DC

AMP

MESSGERAT

a

(ROHREN-

VOLTMETER

ABGLEICH

BEMERKUNGEN

oder

OSZILLOSKOP)

LW-HF-ABGLEICH

Ausgangsleist-

ungsmesser

SIGNALGENERATOR

oder

WOBBELGENERATOR

FREQUENZ

STELLUNG

DES

ABSTIMMREGLERS

WEL-

LEN-

;—

7

BAND|

ANSCHLUSSE

RF-2900LBS

DEUTSCH

TECHNISCHE

DATEN

Frequenzbereich:

UKW

87,5-108

MHz

LW

150-410

kHz

(2000-731

m)

max.

3W

Wechselstrom

110-125

V/220-240

V

Tonausgangsleistung:

Stromversorgung:

Die

maximale

Ausgangsleistung

L118

(LW-

Oszillatorspule)

Aus

einem

Draht

einige

Schleifen-

MW

525-1610

kHz

(571-186

m)

KW1

3,2-8

MHz

(93,8-37,5

m)

50-60

Hz

oder

Gleichstrom

9

V

(sechs

Trockenbatterien

‘‘D’’)

(National

UM-1

o.

a.)

11

W

(bei

Netzbetrieb)

KW2

8-16

MHz

(37,5-18,7

m)

KW3

16-30

MHz

(18,7~10

m)

Leistungsaufnahme:

(2)

windungen

bilden

150

kHz

und

das

Signal

in

die

Empfangerschleife

absirahlen.

150

kHz

(Siehe

Abb.

23.)

parallel

zur

Lautsprecher-

-(

*

1)

£102

(LW-

Antennenspule)

Schwingspule

einstellen.

L102

durch

Verschieben

auf

dem

Ferritkern

abgleichen.

CT112

(LW-

Die

maximale

Zwischenfrequenz:

FM

10,7

MHz

Lautsprecher:

dynamischer

PM-Lautsprecher,

Ria

ie

Soelisiear

:

Ne

AM

(LW,

MW,

KW)

455

kHz

210

cm

(3)

400

kHz

(Siehe

Abb.

24.)

cnionilwe

ainsi

oe

Empfindlichkeit:

UKW

2,54V

(Rauschabstand

26

dB),

Abmessungen

Antennentrimmer)|

Schritte

(2)

und

2uV

(Ansprechempfindlichkeit

(BxHxT):

381

x

246

x

120

mm

(3)

wiederholen.

des

Begrenzers

3

dB

geringer)

Gewicht

MW-HF-ABGLEICH

LW

70zV/m

(Rauschabstand

6

dB),

(ohne

Batterien):

2,3

kg

Bie

macmale

6004V/m

(Rauschabstand

26

dB)

Impedanzen:

Lautsprecher

.........ceecceeesenee

sees

8a

Ausgangsleist-

rate

ioiies

le)

pee

eis

esnung

MW

30xzV/m

(Rauschabstand

6

dB),

OhrhOrerbuchse

..............cceeeeeeee

82

ungsmesser

szillatorspule

einstellen,

L1(

400“V/m

(Rauschabstand

26

dB)

Multiplex-Ausgangsbuchse

"

ee

(siene

Aee.

25.)

Pauisereeiets

WActR

nest}

aut

dem

cardtere

KW11,84V

(Rauschabstand

6

dB),

nee

10

ka/40

mV

schwingspule

abgleichen.

19uV

(Rauschabstand

26

dB)

UKW-AntennenanschluB

............

752

ere

crit

(AM-

Die

maximale

“BUCNSE......

cece

renee

z

szitiatortrimm

Sicrad

yt

phatase

esa

erennay

ea

Rueeae

(5)

”

1500

kHz

|

(Siehe

Abb.

26.)

CTi02

(AMA

|

einetelion,

Die

9uV

(Rauschabstand

26

dB)

KW3

1,2uv

(Rauschabstand

6

dB),

13uV

(Rauschabstand

26

dB)

Anderungen

vorbehalten.

ABGLEICH

HM

VORGANGSWEISE

BEIM

ABGLEICH

.

Den

Lautstarkeregler

in

die

Maximalposi-

tion

stellen.

.

Das

Gerat

einschalten

(Netzschalter

auf

“EIN’’).

.

Den

BaBregler

und

den

Hohenregler

in

die

Maximal

position

stellen.

.

Den

Wellenbereichsschalter

auf

LW,

MW,

SW1,

auf

““AUS/Schmalband”’

stellen,

bei

den

anderen

Abgleichen

auf

“EIN/Breitband”’.

.

Den

Tonhdhenregler

in

die

Mittelposition

stellen.

.

Beim

BFO-Abgleich

den

BFO-Schalter

auf

“EIN”

stellen,

bei

den

anderen

Abgleichen

auf

“AUS”.

.

Den

KW-Eichregler

in

die

Mittelposition

stellen.

.

Eine

Stromquelle

von

9

V

Gleichstrom

anlegen.

.

Der

Signalgeneratorausgang

sollte

nicht

gréBer

sein,

als fur

eine

Ausgangsanzeige

unbedingt

notwendig

ist.

SW2,

SWS,

oder

FM

stellen.

.

Die

Digitalanzeige

ausschalten

(Anzeigenschaliter

auf

AUS’).

.

Eine

groBe

AM/SW-HF-Verstarkung

einstellen.

.

Die

Beleuchtung

ausschalten

(Lichtschalter

auf

‘‘AUS’’).

.

Beim

AM-ZF-,

BFO-

und

FM-Abgleich

den

UKW-Scharfabstimmung/Bandbreitenschalter

@

ANM-ABGLEICH

(LW,

MW

UND

KW)

SIGNALGENERATOR

oder

WOBBELGENERATOR

ANSCHLUSSE

FREQUENZ

MESSGERAT

(ROHREN-

VOLTMETER

oder

OSZILLOSKOP)

AM-ZF-ABGLEICH

Der

Abstimmpunkt,

|

Ausgangsleist-

wo

keine

ungsmesser

Interferenz

auftritt.

parallel

zur

Lautsprecher-

Schwingspule

STELLUNG

DES

ABSTIMMREGLERS

ABGLEICH

BEMERKUNGEN

7101

(1.

AM-ZF-

Abgleich)

T102

(2.

AM-ZF-

Abgleich)

T104

(3.

AM-ZF-

Abgleich)

455

kHz

30%

mod.

(Modulations-

frequenz

400

Hz)

Aus

einem

Draht

einige

Schleifen-

windungen

bilden

und

das

Signal

in

die

Empfangerschl-

eife

abstrahien.

Die

maximale

Ausgangsleistung

einstellen.

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

Antennentrimmer)

Schritte

(4)

und

(5)

wiederholen.

ach

beendetem

Abgleich

ist

der

Antennenspulenkorper

mit

Wachs

zu

befestigen.

KW:

1.

ZF-

UND

2.

OSZILLATORABGLEICH

Uber

einen

Keramik-

kondensator

(10

pF)

an

die

AUSSEN-

ANTENNEN

Buchse

(“EXT

ANT’’)

anschlieBen.

Den

negativen

Ausgang

erden.

An

die

AUSSENANTENNEN-

Buchse

(‘EXT

ANT’’)

anschlieBen.

Der

Abstimmpunkt,

wo

keine

Interferenz

auftritt.

L106

(2.

Oszillatorspule)

T105

(1.

KW-ZF-Abgleich)

T106

(1.

KW-ZF-Abgleich)

_

KW1-HF-ABGLEICH

3,5

MHz

(Siehe

Abb.

27.)

8,0

MHz

(Siehe

Abb.

28.)

Ausgangsleist-

ungsmesser

parallel

zur

Lautsprecher-

Schwingspule

L116

(KW1-

Oszillatorspule)

L110

(KW1-

Antennenspule)

CT110

(KW1-

Oszillatortrimmer)

CT107

(KW1-

Antennentrimmer)

Die

maximale

Ausgangsleistung

einstellen.

Die

maximale

Ausgangsleistung

einstellen.

Die

maximale

Ausgangsleistung

einstellen.

Die

Schritte

(8)

und

(9)

wiederholen.

_L

KWe2-HF-ABGLEICH

8,0

MHz

8,0

MHz

(Siehe

Abb.

29.)

L115

(KW2-

Oszillatorspule)

L109

(KWe2-

Antennenspule)

Die

maximale

Ausgangsleistung

einstellen.

16

MHz

(Siehe

Abb.

28.)

CT109

(KW2-

Oszillatortrimmer)

CT106

(KW2-

Antennentrimmer)

Die

maximale

Ausgangsieistung

einstellen.

Die

Schritte

(10)

und

(11)

wiederholen.

KWS3-HF-ABGLEICH

16

MHz

(Siehe

Abb.

29.)

L114

(KW3-

Oszillatorspule)

Die

maximale

Ausgangsleistung

einstellen.

17

MHz

(Siehe

Abb.

30.)

L108

(KW3-

Antennenspule)

4

30

MHz

(Siehe

Abb.

32.)

CT108

(KW3-

Oszillatortrimmer)

a4

28

MHz

(Siehe

Abb.

31)

CT105

(KW3-

Antennentrimmer)

Die

maximale

Ausgangsleistung

einstellen.

Die

Schritte

(12)

bis

(15)

wiederholen.

HM

Verzdgerte

A.V.R.

ABGLEICH

SIGNALGENERATOR

ANSCHLUSSE

FREQUENZ

ABGLEICH

BEMERKUNGEN

*

Uber

einen

Keramik-

kondensator

(10

pF)

an

die

AUSSEN-

ANTENNEN

Buchse

(“EXT

ANT’)

anschlieBen.

Den

negativen

Ausgang

(1)

Den

Signalgenerator

auf

3,5

MHz

einstellen

(30%

moduliert,

Modulationsfrequenz

400

Hz).

Den

Eingang

des

Signalgenerators

auf

ungefahr

20

dB

(10uV)

einstellen,

den

Radioempfanger

abstimmen

und

danach

den

Eingang

des

Signal-

generators

auf

60

dB

(1

mV)

erhdhen.

(2

Mi

BFO-ABGLEICH

SIGNALGENERATOR

oder

WOBBELGENERATOR

ANSCHLUSSE

ABSTIM-

MREGLERS

FREQUENZ

STELLUNG

DES

MESSGERAT

(ROHREN-

VOLTMETER

oder

OSZILLOSKOP)

ABGLEICH

BEMERKUNGEN

BFO-ABGLEICH

Hinweis:

Den

Bandbreitenschalter

auf

‘‘Sc

hmalband”

(‘‘Narrow’’)

stellen.

Aus

einem

Draht

einige

Schleifenwind-

Das

Signal

1.

Nachdem

das

Signal

abgestimmt

worden

ist,

die

Modulation

ausschalten.

Tonausgangs-

|L119

(BFO-

ungen

bilden

und

das

Signal

in

die

Empfangerschleife

abstrahlen.

Den

Regelwiderstand

so

einstellen,

daB

die

Lautsprecher-Ausgangsleistung

auf

der

1

V-Skala

des

Rohrenvoltmeters

0

db

(770

mV)

betragt.

Danach

den

Signalgenerator

auf

100

dB

(100

mV)

einstellen.

Fuhren

Sie

nun

entsprechend

der

Lautsprecher-

Ausgangsleistung

folgende

Einstellungen

aus:

(a)

fast

keine

Abschwachung

(geringer

als

—1,5

dB):

keine

Einsteliung

nétig

(b)

Abschwachung

gréBer

als

—1,5

dB:

Den

halbveranderlichen

Widerstand

VR301

langsam

drehen,

bis

die

Ausgangsleistung

—1,5

dB

betragt.

Vorgangswise:

Den

halbveranderlichen

Widerstand

VR301

zuerst

ganz

nach

links

drehen.

Dann

langsam

so

weit

nach

rechts

drehen,

bis

das

erste

Mal

—1,5

dB

angezeigt

wird.

Zuletzt

den

Eingang

des

Signalgenerators

auf

60

dB

und

100

dB

einstellen.

Uberpriifen

Sie,

ob

der

Unterschied

in

der

Ausgangsleistung

innerhalb

—1,5

dB

(120

mV/8q)

liegt.

erden.

Den

Al-

Uberlagerer

einschalten

(BFO-Schalter

auf

‘‘EIN’’).

.

So

abgleichen,

daB

keine

Schwebung

auftritt.

abstimmen.

leistung

des

Oszillatorspule)

3,5

MHz

Lautsprechers

¢

Ausgangsleist-

ungsmesser

parallel

zur

Lautsprecher-

schwingspule

VR301

(Verzégerte

A.V.R)

@

EINSTELLUNG

DER

ABSTIMMUNG/

BATTERIESTARKE-ANZEIGE

+

Den

BFO-Schalter

auf

‘‘Aus”’

stellen

(‘OFF’).

-

Eine

Stromquelle

von

9

V

Gleichstrom

anlegen.

2.

BEMERKUNGEN

+

R129

so

einstellen,

daB

die

Anzeigenadel

wie

in

der

rechten

Abbildung

steht.

1.

REGLERSTELLUNGEN

AM

EMPFANGER

-

Den

Wellenbereichsschsiter

auf

MW

stellen

(“MW’’).

-

Den

Lautstarkeregler

in

die

Minimalposition

stellen

(‘‘MIN’’),

-

Das

Gerat

einschalten

(Netzschalter

auf

‘‘EIN’’).

Bemerkungen:

;

1.

S1-1~S1-10

...Wellenbereichsschalter

auf

‘‘FM”

12.

Die

Markierung

+

bezeichnet

einen

Chip-Widerstand

oder

M@

FM-ABGLEICH

2.

$2-1’~§2-2

...Digitalanzeigenschalter

auf

“OFF”

-kondensator.

MESSGERAT

3.

$3-1’~S$3-2

...BFO-Schalter

auf

“OFF”

13.

Batteriestrom:

ohne

Signal

.............ccccceceeeeeeee

es

36

mA

WEL-

SIGNALGENERATOR

oder

STELLUNG

DES

(ROHREN-

4.58427

csi

Bandbreitenschalter

auf

SNepRon

eee

bei

maximaler

Ausgangsleistung

..600

mA

LEN-

WOBBELGENERATOR

ABSTIM-

VOLTMETER

ABGLEICH

BEMERKUNGEN

BOSS

ote.

esse

dives

EIN/AUS-Radioschalter

auf

‘OFF

14.

Fur

die

Bauelemente,

die

mit

A

bezeichnet

sind,

sollen

BAND

MREGLERS

oder

6::S6.sccicct

os

......Lichtschalter

auf

“OFF”

aus

Griinden

der

Betriebssicherheit

nur

die

Original-

ANSCHLUSSE

PIEGUEN.

DSZIEECSKOF)

le

STisasusdestastevens

TA/Radio-Schalter

auf

“Radio”

bauteile

des

Herstellers

verwendet

werden.

FM-ZF-ABGLEICH

(sot

ee

a

Spannungswahler

15.

VR101

0...

Anzeigenregler

Uber

einen

0,0014F-

Die

Vertikal-

95

SO

eid

iscesanctecses

Vorwahler

auf

“ON”

VR201

0.0...

HF-Verstarkungsregler

ea

titel

an

den

.

eaters

des

1103

(FM

a

10.

$10-1~S10-3

Vorwahler

wellenbereichsschalter

auf

VR202

........0...

KW-Eichregler

eBpunkt

Ww

er

szilloskops

an

-

ie

“MW?

ROB

“Hé

(1)}

UKW

|

anschlieBen.

Den

10,7

MHz

|

Abstimmpunkt,

|

den

MeBpunkt

ZF-Abgleich)

|

Maximalamplitude

wwe

nets

BFO-Héhenregler

negativen

Ausgang

wo

keine

W

anschlieBen.

einstellen.

11.

Alle

Gleichspannungen

sind

mit

einem

Elektronikvolt-

VR204

............

BaBregler

erden.

Interferenz

Den

negativen

(Siehe

Abb.

21.)

meter

vom

negativen

BatterieanschluB

aus

zu

messen.

VR205

............

Héhenregler

auftritt.

Ausgangerden.

|

[_)...Stellung

“FM”,

(

)...Stellung

“AM”,

VR206

.........44.

Lautstarkeregler

FM-HF-ABGLEICH

«

)...SteHung

“SW”

VR301

oo...

Schwundausgleich-Verzégerungsregler

Uber

eine

kunstliche

|

Ausgangsleistung-

UKW-Antenne

an

Drehkondensator

|

smesser

parallel

{L105

(FM-

(

*

2)

Die

maximale

(2)]

UKW_

|

den

MeBpunkt

Y

87,5

MHz

ganz

zur

Oszillatorspule)

|

Ausgangsleistung

.

anschlieBen.

geschlossen.

Lautsprecher-

einstellen.

(Siehe

Abb.

22.)

Schwingspule

90

MHz

L103

(FM-

(

*

2)Die

maximale

(3)]}

UKW

”

90

MHz

(Siehe

Abb.

33.)

”

Abstimmspule)

|

Ausgangsleistung

iZ

einstellen.

~jer104

(FM-

(

*

2)Die

maximale

106

MHz

Oszillatortrimmer)

|

Ausgangsleistung

(4)|

UKW

”

106

MHz

(Siehe

Abb.

34.)

”

CT103

(FM-

einstellen.

Die

Abstimmtrimmer)

|

Schritte

(3)

und

(4)

wiederholen.

(

*

2)

Es

gibt

drei

verschiedene

Ausgangsfreguenzkurven.

Stimmen

Sie

die

Mittelfrequenz

ab.

GENERATEUR

ETALONNE

ou

POSITION

DE

INDICATEUR

-

RF-2900LBS

FRANCAIS

BANDE|

GENERATEUR

DE

BALAYAGE

L’AIGUILLE

SUR

|(VOLTMETRE

ou

REGLAGE

OBSERVATIONS

LE

CADRAN

OSCILLOSCOPE)

BRANCHEMENTS

|

FREQUENCE

SPECIFICATIONS

ALIGNEMENT

HF

sur

GO

Gamme

de

fréquence:

FM

87,5~108

MHz

Puissance

de

sortie:

3

W

DC

Maximum

Faire

une

boucle

de

Régler

pour

une

GO

150~410

kHz

(2000~731

m)

Alimentation:

C.a.

110~

125V/220~

240V

plusieurs

tours

de

Seis

anes

branche

Ee

ipeeine

an

sortie

maximum

—

pe

mee

i

ix

pi

(2)

fil

et

émettre

5

z

a

la

bobine

‘oscillateur

GO)

|en

glissant

la

BO,

wee

OIE

(eels

tne

Mm)

a

bate

dtacta

cack

aa

Ys

cate

GO

ile

signal

dans

la

150

kHz

(Voir

fig.

23.)

j

oscillatrice

-|L102

(bobine

bobine

L102

le

OC1

3,2~8

MHz

(93,8~37,5

m)

séches

de

dimension

D,

National

boucle

du

récepteur.

d'antenne

GO

(*

1)/long

du

noyau

en

OC2

8~16

MHz

(37,5~

18,7

m)

UM-17

ou

équivalents)

ferrite.

OC3

16~30

MHz

(18,7~10

m)

Consommation:

11

W

(c.a.

seulement)

i

is

Clie

jules.

Régler

pour

une

5

is

:

”

2s

j

400

kHz

400

kHz

‘oscillateur

GO)

sortie

maximum.

Fréequence

oe,

ee

Haut-parleur:

10

cm

(4’)

Haut-parleur

dynamique

(3)

(Voir

fig.

24.)

CT101

(trimmer

Bafaire

lac

intermédiaire:

FM

10,

Zz

PM

d’antenne

GO)

étappes

(2)

et

(3).

AM

(GO,

PO

et

OC)

455

kHz

Dimensions:

381

(Largeur)

x

246

(Hauteur)

x

Sensibilité:

FM

2,5uV

(S/B

26

dB)

120

(Profondeur)

mm

LIGNEMENT

HF

sur

PO

aa

(ecb

spnelbllite

Hine

int)

s

(15%

x

94h"

43")

;

Voltmétre

branché

aocelnarone

AM

Soa

Ream

GO

704V/m

(S/B

6

dB)

Poids:

2,3

kg

(8

Ib.

10

oz.)

sans

piles

(4)

550

kHz

550

kHz

a

la

bobine

L102

(bobine

en

glissant

la

600zV/m

(S/B

26

dB)

Impédance:

Haut-parleur

.............ccceeeeeeeeeee

80

(Voir

fig.

25.)

oscillatrice

d’antenne

AM)(

«

1)/bobine

L102

le

PO

30uV/m

(S/B

6

dB)

Borne

d’éCouteur........ccccesceees

8a

long

oe

ova

4004V/m

(S/B

26

dB)

Borne

de

sortie

multiplex

-

en

ferrite.

CT111

(trimmer

Régler

pour

une

OCT

1,84

(S/B6

dB)

nner

10

ka(40

mV)

(5)

1500

kHz

1500

kHz

d’oscillateur

AM)

‘sortie

maximum.

194V

(S/B

26

dB)

Borne

d’antenne

FM...............

752

(Voir

fig.

26.)

CT102

(trimmer

Refaire

les

OC2

0,8xV

(S/B

6

dB)

Borne

phono

.........

500

ka

(50

mV)

d’antenne

AM)

étappes

(4)

et

(5).

9xuV

(S/B

26

dB)

Borne

de

sortie

d’enregistrement

(*

1)

Sceller

ia

bobine

a

la

cire

apres

avoir

achevé

|’alignement.

:

OC3

1,2eV(S/B6

dB)

80

ka

(100

mV)

ALIGNEMENT

OC

sur

1€re

IF

et

2e

OSC

134V

(S/B

26

dB)

Brancher

a

la

borne

d’antenne

EXT.

par

(6)

un

condensateur

en

céramique

(10

PF).

Cété

négatif

ala

terre.

L106

(2e

bobine

d’oscillateur)

L105

(ter

IFT

OC)

L106

(ter

IFT

OC)

Point

de

non-

interférence

2

MHz

Régler

pour

une

Les

spécifications

sont

sujettes

4

des

changements

sans

sortie

maximum.

préavis.

ALIGNEMENT

HF

sur

OC1

|

Voltmétre

branché

L116

(bobine

@

INSTRUCTIONS

D’ALIGNEMENT

AVANT

DE

PROCEDER

AUX

ALIGNEMENTS

LIRE

ATTENTIVEMENT

CE

QUI

SUIT

Mi

ALIGNEMENT

AM

(GO,

PO

et

OC)

.

Commutateur

de

I’éclairage

a

la

position

OFF.

ALIGNEMENTS

POSITION

DE

facon

a

ne

pas

surcharger

les

circuits.

INDICATEUR

(7)

(8)

Brancher

a

la

borne

d’antenne

EXT.

3,5

MHz

8,0

MHz

3,5

MHz

(Voir

fig.

27.)

8,0

MHz

(Voir

fig.

28.)

ALIGNEMENT

H

a

la

bobine

oscillatrice

F

sur

OC2

d’oscillateur

OC1)

L110

(bobine

d’antenne

OC1)

CT110

(trimmer

d’oscillateur

OC1)

CT107

(trimmer

d’antenne

OC1)

Régler

pour

une

sortie

maximum.

Régier

pour

une

sortie

maximum.

Refaire

les

étappes

(8)

et

(9).

1.

Régler

le

potentiométre

de

volume

au

8.

Mettre

le

commutateur

FM

AFC/largeur

de

L118

(bobine

maximum.

bande

a

!a

position

OFF/NARROW

pour

le

(9)

8,0

MHz

8,0

MHz

iy

d'oscillateur

OC2)

|Régler

pour

une

2.

Mettre

le

commutateur

marche/arrét

sur

ON.

réglage

AM-IF,

BFO

et

FM

et

a

Ia

position

(Voir

fig.

29.)

L109

(Bobine

sortie

maximum

3.

Mettre

les

commandes

des

graves

et

aigus

a

ON/WIDE

pour

les

autres

réglages.

d’antenne

OC2)

|

:

la

position

MAX.

9.

Mettre

la

commande

de

niveau

au

centre.

awe

drosciiiteur

O62)

Bepler

pour

une

4.

Mettre

le

sélecteur

de

gamme

d’onde

sur

10.

Mettre

la

commande

BFO

2

la

position

ON

(10)

(Voir

fig.

28.)

CT106

(trimmer

Retaire

lee

;

LW

(GO),

MW

(PO),

SW1

(0C1),

SW2

(OC2),

pour

régler

la

BFO

et

@

la

position

OFF

pour

d’antenne

OC2)

étappes

(10)

et

(11).

SW3

(OC3)

ou

FM.

les

autres

réglages.

rae

5.

Mettre

la

commande

de

!’affichage

digital

a

11.

Mettre

la

commande

SW

CAL

au

centre.

save

HF

sur

L114

(bobine

abaler

cour

une

pa

Posi

lene

O

se

Tee

Regier

la

tension

Suro

vee

(11)

(Voir

fig.

29.)

d'oscillateur

sortie

maximum.

6.

Régler

le

gain

HF

AM/SW

au

maximum.

13.

Régler

ta

sortie

du

générateur

étalonné

de

0C3)

17

MHz

(Voir

fig.

30.)

L108

(bobine

d’antenne

OC3)

Mu”

30

MHz

(Voir

fig.

32.)

CT108

(trimmer

d’oscillateur

OC3)

uw

28

MHz

(Voir

fig.

31.)

CT105

(trimmer

d’antenne

OC3)

Régler

pour

une

sortie

maximum.

Refaire

les

GENERATEUR

ETALONNE

ou

GENERATEUR

DE

BALAYAGE

BRANCHEMENTS

|

FREQUENCE

étappes

(12)

et

(15).

REGLAGE

OBSERVATIONS

L’AIGUILLE

SUR|

(VOLTMETRE

ou

BANDE

LE

CADRAN

OSCILLOSCOPE)

ALIGNEMENT

AM

sur

IF

Voltmétre

branché

a

la

bobine

oscillatrice

Faire

une

boucle

de

plusieurs

tours

de

fil

et

émettre

fe

signal

dans

la

boucle

du

récepteur.

T101

(AM

‘er

IFT)

T102

(AM

2e

IFT)

T104

(AM

3°

IFT)

Régler

pour

une

sortie

maxium

455

kHz

(modulation

de

30%

a

400

Hz)

Point

de

non-

interférence

@

ALIGNEMENT

C.A.G.R.

2

Mi

ALIGNEMENT

BFO

GENERATEUR

ETALONNE

ou

POSITION

DE

INDICATEUR

GENERATEUR

DE

BALAYAGE

L’AIGUILLE

SUR

|

(VOLTMETRE

ou

REGLAGE

OBSERVATIONS

LE

CADRAN

OSCILLOSCOPE)

BRANCHEMENTS

FREQUENCE

ALIGNEMENT

BFO

Remarque:

Mettre

le

commutateur

de

largeur

de

bande

a

la

position

“NARROW”.

Faire

une

boucle

de

1.

Arréter

la

'

plusieurs

tours

de

modulation

aprés

Syntoniser

Sortie

audio

du

L119

(bobine

la

syntonisation

au

signal

haut-parleur

d’oscillateur

:

Siete

ia

cone

mutateur

BFO

a

la

position

ON.

.

Régler

pour

obtenir

un

battement

nul.

GENERATEUR

ETALONNE

REGLAGE

OBSERVATIONS

BRANCHEMENTS

FREQUENCE

«Beancner

A

labore

(1)

Régler

le

générateur

étalonné

a

3,5

MHz

d’antenne

EXT.

par

(modulation

de

30%

a

400

Hz)

un

condensateur

en

(2)

Régler

l’entrée

du

générateur

étalonné

a

environ

Sie

FF).

20

dB

(102V,)

syntoniser

la

radio,

puis

augmenter

terre.

jusqu’a

60

dB

(1

mV).

(3)

Mettre

la

commande

VR

2

Ia

position

ou

la

*Voltmétre

branche

puissance

de

sortie

soit

de

0

dB

(770

mV)

dans

le

eee

champ

d’

1

V

du

voltmétre.

Régler

le

générateur

étalonné

a

100

dB

(100

mV).

Exécuter

alors

les

réglages

suivants

selon

la

puissance

de

sortie

du

haut-parleur.

(a)

Presque

pas

d’atténuation

(dans

—1,5

dB)

fil

et

émettre

fe

signal

dans

la

3,5

MHz

boucle

du

récepteur.

ges

:

fs

ae

yoeae

nécessaire.

HM

REGLAGE

DU

METRE

TUNE/BATT

(b)

eas

spin

rae

oe

ir

"

1.

Réglage

du

poste

récepteur

-

Mettre

le

commutateur

BFO

a

la

position

OFF.

g

:

os

Se

aaa

rerererssuedd:a

+

Mettre

le

dommutateur

de

gamme

d’onde

a

la

-

Régier

la

tension

sur

9

V

c.c.

obtenir

une

sortie

de

—1,5

dB.

wae

Nu‘

bas

Sublier

|

de

VR3

.

position

MW

(PO)

2.

REMARQUE

fi

es

it

d’ab

os,

par

arate

S

a

aie

+

Mettre

le

potentioméire

a

MIN.

Régler

R129

de

sorte

que

l’aiguille

du

métre

reste

Lees

Be

ena

te

sila

poet

aes

ill

+

Mettre

la

commande

a

comme

montré

sur

la

figure

a

droite.

sens

inverse

des

aiguilles

d'une

montre

et

par

aprés

graduellement

dans

le

sens

des

aiguilles

d’une

montre

pour

la

régler

a

premiére

la

position

ol

une

lecture

de

—1,5

dB

est

obtenue.

Régler

l’entrée

du

générateur

etalonné

a

60

dB

et

100

dB

et

s’assurer

que

la

différence

de

sortie

est

Remarques:

dans

—1,5

dB

(120

mV/8q).

1.

S1-1

a

S1-10:...Commutateur

de

gamme

d’onde

(montré

11.

La

tension

c.c.

est

mesurée

au

moyen

d’un

voltmetre

en

position

FM).

électronique

a

partir

de

la

borne

négative

de

la

pile.

2.

S2-1

a

S2-2:...

Commutateur

de

!’affichage

digital

[_]...Position

FM

(

)...Position

AM

(montré

en

position

‘‘OFF’’).

«

)...Position

OC

3.

S3-1

4

S3-2:

...Commutateur

BFO

12.

Symbol

*......

résistance

et

condensateur

(microplaquette)

(montré

en

position

““OFF’’).

13.

Courant

des

piles.

Pas

de

signal............

36

MA

Mi

ALIGNEMENT

FM

4.

S41:

oe.

Commutateur

de

largeur

de

bande

Sortie

maximum

......

600

mA

(montré

en

position

““NARROW’’).

14.

Les

éléments

précédés

du

symbole

A

ne

doivent

étre

GENERATEUR

ETALONNE

ou

POSITION

DE

|

INDICATEUR

Br.

Sob

aus

sacastaceed

Commutateur

marche/arrét

de

la

radio

remplacés

que

par

des

piéces

d'origine

par

mesure

de

GENERATEUR

DE

BALAYAGE

LAIGUILLE

SUR]

(VOLTMETRE

ou

|

REGLAGE

OBSTERVATIONS

(maitre

e

lepositioh

“ORF”

rae

ieee

:

aa

BRANCHEMENTS

FREQUENCE

G6.

SBu

sisieccesteieki

Commutateur

de

|’éclairage

15.

VR101

...Commande

des

métres

(montré

a

fa

position

“‘OFF’’).

VR201

...Commande

de

régiage

du

gain

HF

B

her

ALIGNEMENT

He

~~

eM

q

UE

SES

aecetorbensres

Commutateur

phono/radio

VR202

...Commande

de

calibrage

OC

via

0001.

Y

Boinidarione

Wweddee

Aduleeeeueune

(montré

a

la

position

RADIO”).

VR203

...Commande

du

niveau

BFO

(1)|

FM

Céte

négatif

a

la

10,7

MHz

interférence

l'oscilloscope

7103

(FM

IFT)

amplitude

8.

SBr

eee

Sélecteur

de

tension

VR204

...Commande

des

graves

terre.

Cater

basen

maximum.

9:

SOs

scscktchegets

Commutateur

de

présélection

VR205

...Commande

des

aigus

_|

later

se

(Voir

fig.

21.)

(montré

a

la

position

““ON’’).

VR206

...Potentiométre

de

volume

=

Ran

10.

S10-1

a

S10-3:

Présélection

commutateur

de

gamme

VR301

...Commande

de

réglage

automatique

différé

__

ALIGNEMENT

HF

sur

FM

d’onde

(montré

en

position

MW).

de

gain.

Brancher

au

¥

via

Condensateur

=|

Voltmétre

branché!

L105

(bobine

(

*

2)

Régler

pour

une

(2)|

FM

une

antenne

fictive

87,5

MHz

variable

a

la

bobine

d’oscillateur

sortie

maximum

FM.

(Voir

fig.

22.)

totalement

oscillatrice

FM)

fermé.

(3)

FM

”

90

MHz

90

MHz

n

L103

(bobine

(

*

2)

Régler

pour

une

(Voir

fig.

33.)

TUNE

FM)

sortie

maximum

CT104

(trimmer

(

*

2)

Régler

pour

une

(4)

FM

”

106

MHz

106

MHz

”

d’oscillateur

FM)

sortie

maximum.

(Voir

fig.

34.)

CT103

(trimmer

Refaire

les

TUNE

FM)

étappes

(3)

et(4).

(

*

2)

ll

y

aura

trois

réponses

de

sortie;

la

syntonisation

adéquate

est

la

fréquence

du

milieu.

RF-2900LBS

BATTERY

VARIABLE

CAPACITOR

TELESCOPIC

ANTENNA

(9V)

CIRCUIT

BOARD

WIRIN

|

ro—-{

26}

uy

|

FM/AM

EXT

ANTENNA

TO

FREQUENCY

COUNTER

EARTH

3

“Sy

a

1

=

+

=f

my

smn,

SGR3

68S

LLY

PRAAY=

Nw

Wn

"Rico

|

%

ree

cite

cigs

Af

oe

42

pt

ks

LUZ

7

H6503

Sy

OOO)

SEF

feet

Saas

|

AT

VOLTAGE

SELECTOR

SWITCH

eee:

VIRING

VIEW-MODEL

RF-2900LBS

VOLTAGE

Qior

Q

102

Qio3

Qio4

Qos

Q

106

Qi07

Qios

|

FM

|

FM

AM

FM

|

FM

AM

sw

PM

AM

sw

cl]

s86v

FM

|

AM

|

op]

3av

cl]

4av

ov

c]

ov

ec]

ov

|

cl

osev|

4asv]

aasv

c{

ov

|

ov]

aa]

[a]

rev

o]

ov

2A

G]|

ov

el

147

ov

|

8]

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INDICATOR

O

TO

DIAL

SCALE

CHASSIS

6

DIN

JACK

57

PADIO/

PHONO

SWITCH

PM_

DYNAMIC

SPEAKER

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

ALIGNMENT

M

TUNE/BATT

METER

ADJUSTMENT

1.

RADIO

RECEIVER

SETTING

»

Set

band

switch

to

MW.

+

Set

volume

control

MIN.

+

Set

BFO

switch

to

OFF.

-

Set

power

source

voltage

to

9

volts

DC.

2.

REMARKS

+

Adjust

Riz.

so

that

the

pointer

of

meter

stays

as

shown

in

figure

right.

M

ALIGNMENT

INSTRUCTIONS

READ

CAREFULLY

BEFORE

ATTEMPTING

ALIGNMENT

RF-2900LBS

TUNING

65

4

5s

2205

—

€

BATTERY

&

Pointer

.

Set

FM

AFC/Band

width

switch

to

OFF/narrow

Position

for

the

AM-IF,

BFO,

and

FM

adjustment,

and

to

ON/wide

M@

AM

(LW,

MW,

SW)

ALIGNMENT

1.

Set

volume

control

to

maximum.

position

for

other

adjustment.

2.

Set

power

switch

to

ON.

9.

Set

pitch

control

to

center.

3.

Set

bass

and

treble

control

to

maximum.

10.

Set

BFO

switch

to

ON

position

fo

4.

Set

band

switch

to

LW,

MW,

SW:,

SW2,

SWs

or

FM.

and

to

OFF

position

for

other

adjustment.

5.

Set

digital

display

switch

to

OFF

position.

11.

Set

SW

Cal

control

to

center.

6.

Set

AM/SW

RE

gain

control

to

high.

12.

Set

power

source

voltage

to

9V

DC.

7.

Light

switch

to

OFF

position.

13.

Output

of

signal

generator

should

be

no

higher

than

8

necessary

to

obtain

an

output

reading.

r

BFO

adjustment,

SIGNAL

GENERATOR

or

BAND

|

SWEEP

GENERATOR

RADIO

DIAL

INDICATOR

ADJUSTMENT

REMARKS

CONNECTIONS

|FREQUENCY

SETTING

(VTVM

or

SCOPE)

AM-IF

ALIGNMENT

Fashion

loop

of

|

several

turns

of

455

kHz

Point

of

non-

Output

meter

Ti01(AM

1st

IFT)

Adjust

for

maximum

AM

wire

and

radiate

|

30%

Mod.

|

interference.

across

voice

coil.

|

T102(AM

2nd

IFT)

output

signal

into

loop

at

400

Hz

T104(AM

3rd

IFT)

of

receiver.

LW-RF

ALIGNMENT

Fashion

loop

of

he

Adjust

for

maximum

several

turns

of

150

kHz

Output

meter

Li1e(LW

OSC

Coil)

output.

Adjust

Lio2

by

LW

wire

and

radiate

|

150

kHz

(Refer

to

fig.

23)

|

across

voice

coil

(*

1)L102(LW

ANT

moving

coil

bobbin

signal

into

loop

Coil)

along

ferrite

core.

of

receiver.

\

_|

i

CTi12(LW

OSC

|

Adjust

for

maximum

LW

”

400

kHz

400

kHz

u”

Trimmer)

|

output.

(Refer

to

fig.

24)

CTi01(LW

ANT

Repeat

steps

(2)

a

Trimmer)

|

and

(3).

MW-RF

ALIGNMENT

oa

Fou

geee:

7

Adjust

for

maximum

MW

a”

550

kHz

550

kHz

Output

meter

Lii7(MW

OSC

Coil

output.

Adjust

Lio2

by

(Refer

to

fig.

25)

|

across

voice

coil

(*

1)L102(MW

moving

coil

bobbin

|

L

ANT

Coil)

along

ferrite

core.

CTi11(MW

OSC

Adjust

for

maximum

1500

kHz

y

Trimmer)

|

output.

MW

n”

1500

kHz

(Refer

to

fig.

26)

CT102(MW

ANT

Repeat

steps

(4)

Trimmer)

|

and

(5).

(x1)

Cement

antenna

bobbin

with

wax

after

completing

alignment.

SW-1st

IF

and

2nd

OSC

ALIGNMENT

aes

anaes

Connect

to

EXT

ant.

terminal

Lioe(2nd

OSC

Coil)

SW1

through

ceramic

|

2

MHz

Point

of

non-

”

Ti0s(SW

1st

IFT)

Adjust

for

maximum

capacitor

(10

PF).

interference.

T1o6(SW

1st

IFT)

output.

Negative

side

|

to

earth

SW1-RF

ALIGNMENT

SW;

Connect

to

EXT

3.5

MHz

3.5

MHz

Output

meter

Lits(SW1

OSC

Coil)

|

Adjust

for

maximum

ANT

terminal.

|

(Refer

to

fig.

27)

|

across

voice

coil.

[Lr10(SW1

ANT

Coil)

|

output.

CT110(SW1

OSC

Adjust

for

maximum

SWi

u”

8.0

MHz

77

Trimmer)

|

output.

8.0

MHz

(Refer

to

fig.

28)

CT107(SW1

ANT

Repeat

steps

(7)

L

Trimmer)

|

and

(8).

SW2-RF

ALIGNMENT

SW2

a

8.0

MHz

8.0

MHz

”

Liis(SW2

OSC

coil)

|

Adjust

for

maximum

|

7

(Refer

to

fig.

29)

|

Lio9(SW2

ANT

Coil)

|

output.

=f

C

CT109(SW2

OSC

Adjust

for

maximum

SW2

16

MHz

Trimmer)

|

output.

u

16

MHz

(Refer

to

fig.

28)

y

CT106(SW2

ANT

Repeat

steps

(9)

Trimmer)

|

and

(10).

SW3-RF

ALIGNMENT

(11)}

SWs

n”

16

MHz

16

MHz

y

Lira(SWs

OSC

Coil)

|

Adjust

for

maximum

i

|

(Refer

to

fig.

29)

|

output.

(12)

SWs

7

17

MHz

17

MHz

”

Lioa(SWs

ANT

Coil)

|

”

i

(Refer

to

fig.

30)

[e

(13)

4

30

MHz

30

MHz

uw

CT108(SW3

OSC

Ww

I

a

(Refer

to

fig.

32)

L

Trimmer)

28

MHz

|

Adjust

for

maximum

(14)|

SWs

”

28

MHz

(Refer

to

fig.

31)

u

CTios(SW3

ANT

output.

Trimmer)

ae

steps

(11)~

4).

MD.

AGC

ALIGNMENT

SIGNAL

GENERATOR

REMARKS

Tg

eee

ra

a

ADJUSTMENT

(VTVM)

across

voice

coil.

MFM

ALIGNMENT

CONNECTION

FREQUENCY

|

+

Connect

to

EXT

(1)

Set

signal

generator

to

3.5

MHz

(400

Hz,

30%

mod.)

ANT

terminal

(2)

Set

signal

generator

input

to

approximately

20

dB

(10uV),

tune

through

the

radio,

and

then

increase

signal

generator

input

to

60

dB

Ceramic

(1

mV).

or

as

Capacitor.

(3)

Adjust

the

volume

control

so

that

the

speaker

output

at

this

time

(10PF).

agrees

with

0

dB

(770

mV)

of

the

1V

range

of

the

VTVM.

Negative

side

(4)

Then

set

the

signal

generator

to

100

dB

(100

mv).

to

earth.

3.5

MHz

VR301

Make

the

following

adjustments

according

to

speaker

output

at

+

Output

meter

(D.

AGC)

this

time.

(a)

Almost

no

attenuation

(within

—1.5

dB)

No

adjustment

necessary

(b)

Attenuation

exceeding

—1.5

dB

Rotate

semi-fixed

VR

becomes

—1.5

dB.

Note

that

semi-fixed

VR3o:

should

first

be

rotated

completely

counterclockwise,

rotated

clockwise

to

adjust

to

301

gradually

until

output

and

then

gradually

the

first

position

where

a

reading

of

—1.5

dB

is

obtained.

(5)

Finally,

switch

the

si

and

confirm

that

the

(120

mV/8q).

gnal

generator

input

to

60

dB

and

100

dB

output

difference

is

within

—1.5

dB

Sweet

SENERATOR

S

ADIO

DIAL

NDICATO

WEEP

GENERATO

RADI

INDICATOR

BAND

|_°"

|

SETTING

(VTVM

or

SCOPE)

ADJUSTMENT

REMARKS

CONNECTIONS

|FREQUENCY

oe

eee

ak:

FM-IF

ALIGNMENT

Connect

to

test

Connect

vert.

amp.

“hi

; .

(1)

|

em

|

point

W

through

10.7

MHz

|

Point

of

non-

|

of

scope

to

test

point

Tioa

(FM

IFT)

relied

i

maximum

0.0014F.

Negative

:

interference.

|W.

Negative

side

1e3

amplitude.

_|

side

to

earth.

__|te

earth.

|

[else

to

fig.

21)

FM-RF

ALIGNMENT

|

Connect

to

test

a

|

TT

ft

point

¥

through

ariable

Out

:

;

put

meter

il)

|

(*2)

Adjust

for

maxi-

eM

srtone

se

(retek

to

as

fully

clowede

across

voice

coil.

Lios

(FM

OSC

Coil)

mum

output.

fig.

22).

i

90

MHz

|

bios

(FM

ar

)

Adjust

f

103

*

2)

Adjust

for

maxi-

(3)

|

FM

a

|

90

MHZ

[Refer

to

fig.

33)

a

TUNE

Coil)

mum

output.

—_

ieee

CTi04

eM

OSC

(

*

2)

Adjust

for

maxi-

Zz

rimmer)

mum

output.

4).

BEM

id

ern

epateceuig

3h

‘

CT0s

(FM

TUNE

Repeat

steps.

.

Trimmer)

(3)~(4).

M

BFO

ALIGNMENT

SIGNAL

GENERATOR

or

SWEEP

GENERATOR

_|

CONNECTIONS

|

FREQUENCY

RADIO

DIAL

SETTING

pe

__|

(*2)

Three

output

responses

will

be

present;

proper

tuning

is

the

center

frequency.

INDICATOR

(VTVM

or

SCOPE)

ADJUSTMENT

REMARKS

BFO

ALIGNMENT

Note:

Set

band

width

switch

to

“Narrow”.

~

Fashion

loop

of

several

turns

of

wire

and

radiate

signal

into

loop

of

receiver.

Tune

to

signal.

Audio

output

from

speaker.

L119

(BFO

OSC

Coil)

—-

1.

Cut

off

modula-

tion

after

tune

to

signal.

.

Set

BFO

switch

to

ON.

.

Adjust

for

zero

beat.

Hi

ALIGNMENT

POINTS

SW

ANT

8MHz

Fig.

SW3

ANT

28MHz

Mw

OSC

1500kHz

CThos

iy

SW2

ANT

16MHz

[8]

OTio6

SW2

ANT

8MHz

Liog

SW:

ANT

3.5MHz

Lio

‘S00kNs

e

[S]

*25

|

©

|

LW

OSC

400kHz

LW

OSC

150kHz

Lis

ow

SW3

ANT

17MHz

SWs

OSC

SW:

OSC

16MHz

—

8MHz

SW3

OSC

30MHz

CTs

SW2

OSC

SW:

OSC

AM

3rd

455kHz

“

AM

Ist

IF

[2]

tl

Thos

AM

1st

IF

2MHz

kHz)

23,

SW:

3.5

MHz

Fig.

Ag

SW3

28

Fig.

iS

MHz

31.

LW

(400

kHz)

Fig.

24.

16MHz

isl

oo

oY

SW;

8

MHz,

SW2

16

MHz

SW3

30

MHz

Fig.

32.

LW

ANT

[o]

150kHz

ie

Lioz

FM

TUNE

90MHz

[Lis].

FM

TUNE

AM

2nd

FM

IFT

“Tra

BFO

OSC

455kHz

BS)

[9]

To

SG

(SG

imp,

500)

|

'

MHz

|

MHz

ela

s

U

SW2

8

MHz,

SW

16

MHz

Fig.

29.

FM

90

MHz

Fig.

33.

1O6MHz

isoKe

in)

@

SW

2nd

OSC

Coil

2MHz

Lios

A

|

To

Receiver

E

Fig.

26.

Fig.

30.

FM

106

MHz

Fig.

34.

11

Fig.

36

CABINET

PARTS

y

—Z

a

al

AO

0M

w

Ml

MMIII)

6,

a>

YS,

KY

/

E4 E5

=x.

Mh]

Ht

TT

I]

=

Oy

MW)

Ni

E52

MIREPLACEMENT

PARTS

LIST-::::----

enbate

Model

RF-2900LBS

NOTES:

(RD7906-1699C)

1.

A

indicates

that

only

parts

specified

by

the

manufacturer

be

used

for

safety.

2.

The

S

mark

is

service

standard

parts

and

may

differ

from

production

parts.

Part

No.

Part

Name

&

Description

Remarks

INTEGRATED

CIRCUIT,

TRANSISTORS

DIODES

AND

THERMISTOR

Iclol

IC102

IC103

Tc901

Ic902

Q101

Q102,301

Q103,104

AN7210

AN7211

AN7212

RVITD6101P-1

RVIM54824P

2SK49

2SC1359

4105,907,908

2SA8

38

2SC8

28

203,204,302,4

2S8C945

2SK104

2SD367

2SB544

2SB173

2SC1568

2SC1047

2SC2001

2SA564

104

RVDSD113

106,109,110,4

MA161

RVDRD9R1EB

RVDEQAO105T

RVDKB162C

RVDMZ

203B

RVDRD5R1EB

403,404

SM112

RRT800

RRT302

Transistor

(Ge)

Transistor

(Si)

Transistor

(Ge)

Transistor

(Si)

SL

Transistor

(Si)

Transistor

(Ge)

Transistor

(Si)

Transistor

(Ge)

Transistor

(Ge)

Transistor

(Si)

Transistor

(Si)

Transistor

(Si)

Transistor

(Ge)

Diode

(Si)

51,452,453,902,903

Diode

(Si)

Diode

(Si)

Diode

(Si)

Diode

(Si)

Diode

(Si)

Diode

(Si)

Diode

(Si)

Thermistor

NERPRPRREP

NW

6

1

i

1

2

1

2

PRERPRPHEO

w

Pe

COILS

AND

TRANSFORMERS

RLF6F20

RLD4M9

RLO4N105

RLO9M10

RLD7M3

RLA3M30

RLA3M40

RLD4M5

RLO3M49

Antenna

coil,

LW,

MW

Detector

Coil,

FM

Oscillator

Coil,

FM

IFT,

AM

lst

Antenna

Coil,

SW3

Antenna

Coil,

SW2

Antenna

Coil,

SW1

Oscillator

Coil,

SW3

Oscillator

Coil,

SW2

PRR

RP

REP

REE

E10

E42

E51

E29—(l00000

eg

eee

a

u

E33

E17

E43

E21

Eaz

QN00000)

00000

E12

E14

E18

E19

(0-——E29

E11

Ss

Se

S4

Es

bq

1006c-4H

Ref.

No.

Part

No.

Part

Name

&

Description

Remarks

Ref.

No.

Part

No.

Part

Name

&

Description

Remarks

L116

RLO3M48

L117

RLO2M14

L118

RLOIM8

L119

RLO9OM9

L305

RLA1B2

L306

RLA2M3

L307

RLA3M58

L308

RLA3M59

L309

RLA3M60

T101

RLI2M212

T102

RLI2M205

T103

RLI4M101

T104

RLI2M204

T105

RLI9M3

T106

RLI9OM4

T201

RLT3F30

T202

RLT2H28

T401

RLT5K118

T9O1

RLT9E2

Oscillator

Coil,

SW1

Oscillator

Coil,

MW

Oscillator

Coil,

LW

BFO

Coil,

Preselect

"

IFT,

2nd

IFT,

2nd

IFT,

2nd

IFT,

ist

IFT,

lst

Input

Transformer

Output

Transformer

Power

Transformer

Power

Transformer,

Display

ee

el

ll

oll

ol

cold

S7

RSS

2B0

22

S8

RSR2A012Z

$9

RSS

2A07Z

$10

RSR5D0

32

Switch,

Radio/Phono

u

Voltage

Selector

Preselect

Band

A

RESISTORS

(Value

is

in

OHMS)

[VARIABLE

RESISTORS

VRIOL1

EVLT4AA00B54

VR201,205,206

EVHOXAF15A54

VR202,203,204

EVHOXAF15B54

VR301

EVLT4AA00B24

VC101,102,103,104

PVC

22K20T5L

cT1OLl

RCV1PX15AGS

CT105,106,108,109

RCV1PX30AGS

CT107,111

RCV1LPX1LOAGS

CT112

RCV1LPX20AGS

VC301,302

RCV2-027PTL

mt

Preset,

50k

2

Variable

Resistor,

50k

2

Variable

Resistor,

50k

2

Preset,

20k

Q

VARIABLE

CAPACITOR

Tuning

Capacitor

w/Trimmer

Capacitor

(CT102,103,104,110)

Trimmer

Capacitor

Trimmer

Capacitor

Trimmer

Capacitor

Trimmer

Capacitor

Tuning

Capacitor

CERAMIC

FILTER

CF101,102

RVF1O7MFR

RVFLFB6A

RVFBFB455C2

Ceramic

Filter

COMPONENT

COMBINATION

RXABPMF

1

Component

Combination

SPEAKER

EAS10P57SC

Speaker,

10cm

(4"),

8

Q

SWITCHES

RSR6J01Z

RSS69Z

RSS

2B0

32

RSTXO003Y

Switch,

Band

‘

,

Display

"

,

BFO

"

,

Radio,

Light,

WIDTH

R232

\ERXLANJLRO

R313

ERD25TJ2R2

R242

ERD25TJ4R7

R910

ERD25TJ100

R146

,164|

314

ERD25TJ220

R158

ERD25TJ330

R113,119,121,123,132,413,235

ERD25TJ470

R309

ERD25TJ560

R125,222|

ERD25TJ680

R145,239),945,308

ERD25TJ101

R157,161]

ERD25TJ151

R147,150|

ERD25TJ221

R153

ERD25TJ331

R109

,214}

225

ERD25TJ471

R102,124,154,208

ERD25TJ681

R104,107

111,118,140,452,162,

240,306,307,

316,120

ERD25TJ102

R131,148,215

ERD25TJ152

R151,909;|

ERD25TJ122

R128,

205,

211,452,453,93

ERD25TJ222

R217

ERD25TJ272

R303,315)

ERD25TJ561

R149,301,905

ERD25TJ332

R106,110,127,224

ERD25TJ472

R206,

218),220,934:

ERD25TJ682

47

56

68

100

150

220

330

470

680

1K

6.8

K

lw

Metal

1/4W

Carbon

1/4W

Carbon

R114,126}130,134,139,431,304,451,935

ERD25TJ103

R241

ERD25TJ123

R143,155),

216

ERD25TJ153

R144

ERD25TJ223

R202,221),229

ERD25TJ333

R122,165|

ERD25TJ473

R105

ERD25TJ563

R138,

236]

ERD25TJ683

10

12

K

15

K

22

33

47

56

68

R101,112,136,165,226,428

ERD25TJ104

R203

ERD25TJ124

100

120

K

1/4W

$91006¢e-su

Ref.

No.

Part

No.

Part

Name

&

Description

Remarks

Part

No.

Part

Name

&

Description

Remarks

Ri35

ERD25TJ154

150

K

R11L5,1174,137,210,237,

302,311

ERD25T3224

220

K

R133

ERD25TJ273

27

K

R116,

212)

234

ERD257TJ334

K

RL,

108,156

ERD25T3474

470

K

R454

ERD25TJ392

3.9

1/4W

Carbon

CAPACITORS

(Value

is

in

MICRO

FARADS

except

P.P=PICO

FARADS)

C104

ECCD1HO1LOC

1

P

C117

ECCD1HO020C

a2?

125

ECCD1H030C

3

P

C114,118}177

ECCD1H040C

4

C165

ECCD1H050C

5

€139,502|ECCD1H180KC

|

18

C124

ECCD1H070DW

7

C1,113,166,179

ECCD1H100Kc

|

10

ECCD1H100KX

|

10

C101

ECCD1H120KC

|

12

C163

ECCD1H150KC

15

C111,199}502

ECCD1H180KC

|

18

C196,162/ECCD1H220Kc

|

22

€146,170|

302,303,319

ECCD1H270KC

|

27

€318,517|ECCD1H330KC

|

33

C195

ECCD1H330KU

|

33

C108

ECCD1H390KC

|

39

C164,909|

ECCD1HO50CC

5

C172,509|/ECCD1H101K

|

100

C174

ECCD1H181K

|

180

C515

ECKD1H102ZF

|

0.001

C107,112}115,126

,152,161,

207

ECKD1H102MD

|

0.001

ECCD1H560K

56

P

C213

ECKD1H332MD

C308

ECKD1H68

2MD

C120,137),154,168,402,403,404

ECKD1H103zF

|

0.01

C109,126}128,133,134,

199,201}

205,225,309,512,520

ECKD1H103MD

0.01

C131,139),149,150,155

ECKD1H223ZF

|

0.022

C156

ECFVD153MD

|

0.015

C212,

218|

232,301,

306,916,451

ECFVD103MD

|

0.01

C144,160,194,220,600

ECFVD333MD

C176,

215|

ECFVD473MD

noMcMacMis)

C197

ode]

vould

viru

C189

0.033

0.047

50V

1516

0.0033

0.0068

”

1,405,504

50V

"

25V

7,452,453

25V

Ceramic

58,173,175,180,182,

Semi-conductor

PNEW

PER

PRE

RW

RPRNNPRYNUW

HHH

0

oO

C305,307

C153

c151,191

C192

C313

C190

312,501

C129

C169

C198

C119

C314

C317

145,510

C186

,210

C216

C110,209

C122

}c206,208

C142,148

C136

C130,135

C147,167

C157

C223,401

C932,933

c942

ECFVD6

8

3MD

ECFVD104MD

ECMS051010H

ECMS05121JH

ECMS05680JH

ECQS0530132

ECQS05361d2Z

ECQS05681J2

ECQS05102KZ

ECQS05182KzZ

ECQS05432d2

ECQS05472K2

ECQS05271d2

ECQS05272KZ

ECQG0

568

3MZ

ECEA1AS101

ECEA502Z3R3

ECEA50Z2R2

ECEA1AS470

ECEA502Z1

0.068

0.1

100

120

68

300

360

680

1000

1800

4300

4700

270

2700

Semi-conductor

w

Mica

"

Styrol

aovvurstduvyt

yes

Oo

fey

Polyester

10

Electrolytic

333

"

2.2

47

L

202,203,204,414

ECEA1AS221

ECEA0JS471

140,178,171

ECEA1CS330

181,227

ECEALHS100

ECEA50ZR1

ECEA1CS102

934

ECKD1H471KB

ECCD1H331K

220

470

33

16V

10

50V

0.1

"

1000

16V

470

P

50V

Ceramic

330

Pp

u

ty

NENENNE

RPP

P

PRP

NEP

RPEN

PN

VER

TO

HO

rw

CABINET

PARTS

RYMF2900LBS8

RYFF2900LBS0

RJF10652

RJC205B

RICS08Z

RJIC509Z

RJC111A

RIC5052

RIT398A

RYNF2800M

RYT1F2800N

RYT2F2800N

XEART160GEY

RBN3812

RBN4

202

RBS1122

RBS1482Z

RBE13Y

RBE13X

Front

Cabinet

Ass'y

Rear

Cabinet

Ass'y

Terminal,

EXT

ANT

Terminal,

Battery

+

Side

Spring,

Battery

-

Side

Spring,

Battery

-

Side

Terminal,

Battery

+

Side

Spring,

Battery

-

Side

Pipe,

Battery

Spring

Battery

Cover

Ass'y

Knob

Ass'y,

Volume

Knob

Ass'y,

Tuning

Telescopic

Antenna,

963

mm

Knob,

Bass,

Treble,

Knob,

SW

Cal

Knob,

Band

Knob,

Pre-select

Knob,

Radio

Knob,

Light,

Band

Width

7

Steps

etc.

PRP

RP

BEB

RP

RPE

NNEEH

NPN

A

uedep

ut

payulid

9x

@auy

Part

No.

Part

Name

&

Description

Remarks

Part

No.

Part

Name

&

Description

Remarks

XTN3+8B

RHG886Z

XTN3+25B

Screw

Rubber,

Speaker

Screw

s

ELECTRICAL

PARTS

RYDF2900LBSX

RXEF

2800M

RUS3152Z

XBA2CO8TRO

XAMR43S100A

RSM2616Z

RJJ1152

RJF7A

RJS31-1

RJT5142

RJT202B

RJP1372Z

RJIP119Z

RJIP1422Z

RJP1162

RJP1O7Z

RIJS112Y

RJS217Y

RJS216Y

RJS253Y

RSG82S

RUS

3232

RUS

2952

RDG56562

RDG56582Z

RDV2Z

RUV4

262

RUV48

22

RJJ48A

RJT462Z

RUL5322Z

RMY

902

RJP1I732

RJS219Y

RHR4482Z

RAD5-BT-11

RHE7017AS

XSN3+8S

XWG3

XTN3+10B

XTN3+12B

XTN3+16B

XTN3+6B

XTN23+6B

XYNR26+C6

XTN26+10B

XXAS3K5S

XSB3+6BNS

XSN2+4

Dial

Scale

Ass'y

Dial

Chassis

Ass'y

Spring,

Dial

Scale

Fuse

(F401),

800

mA

Pilot

Lamp

Meter,

Tuning/Battery

Jack,

AC

Holder,

Fuse

Socket,

Din

Terminal,

Antenna

Terminal,

Earth

Plug

(3P)

Plug

(7P)

Plug

(6P)

Plug

(5P)

Plug

(4P)

Socket

(6P)

Socket

(5P)

Socket

(4P)

Socket

(3P)

Dial

Mechanism

Ass'y

Spring,

Dial

Gear

Spring,

Dial

Drum

Gear,

Dial

Gear,

Dial

Scale

Belt,

Dial

Cover,

Voltage

Switch

Cover,

AC

Jack

Jack,

EP/EXT

SP

&

etc.

Terminal,

Socket

Bracket

Heat

Sink,

Q206,

207

Plug

(7P)

Socket

(7P)

Spacer

Display

(DS901)

Nut

Screw

Washer

Screw

WNHFPOPEFWONNEFPENENBOWHRHE

EEE

BPE

EE

PNP

RPNEP

RPP

WNP

EP

RPP

PPP

nN

rN

XUC2FT

XUCSFT

XUC6FT

XYNR26+C5

XNS8

XWS

8AW

XSN26+4

XWA26B

RBE142

Circlip

"

Screw

Nut

Washer

Screw

Washer

Joint,

Variable

Capacitor

FNNADNHEE

ACCESSORIES

XEH1A1-P

RJA20Z

RKE2342Z

RQC90132Z

Magnetic

Earphone

AC

Cord

Hood

Belt

PACKING

MATERIALS

RPK777Z

RPN9

2272

RPP214Z

XZB10X25A04

Packing

Case

Pad

Complete

Polyethylene

PRINTED

MATERIALS

RQX6

4482

ROQX91992

Instruction

Book

SW

Manual

$91006¢-4u

ORDER

NO.

RD7911-1699C-1

Service

Manual

Radio

RF-2900LBS

(Gray

Face)

*

This

service

manual

includes

only

the

changes

of

the

RF-2900LBS

service

manual

(ORDER

NO.

RD7906-1699C).

*

This

manual

should

be

filed

with

the

service

manual

for

model

RF-2900LBS

(ORDER

NO.

RD7906-1699C).

*

When

servicing

model

RF-2900LBS

supplement-1,

this

service

manual

and

the

RF-2900LBS

service

manual

should

be

used

together.

CHANGES

HM

REPLACEMENT

PARTS

LIST

Change

of

Part

No.

RF-2900LBS_

=>

GEEeEe

,

Description

Remarks

RYMF2900LBS8

RYMF2900LB91

Front

Cabinet

Ass’y

(Gray)

oO

RYFF2900LBS0

RYFF2900LB91

Rear

Cabinet

Ass’y

(Gray)

oO

RYNF2800M

RYNF2900LB91

Battery

Cover

Ass’y

(Gray)

O

RKE234Z

RKE234Y

Hood

(Gray)

O

RQX6448Z

RQX6521Z

Instruction

Book

O

ia

-

Matsushita

Electric

Trading

Co.,

Ltd.

SS

anasonic

P.O.

Box

288,

Central

Osaka,

Japan

RD

®

XG

Printed

in

Japan

Panasonic RF-2900LBS User manual

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