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 {©
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
RADIO and STEREO DIVISION
DIAL CORD INSTALLATION GUIDE
S

L934
auiy
abeyoA
aanebany
aul]
a6e3jOA
BAIUSOd
e
cee
pares
aes
- avs
eg
ets
¢-
8
2-18
c-19
1-16
rey
I$
mes
cues CUED
ceee eoeg
SES
ces
ee
ae
ees
Se
a
OD
OS
ee
eee
oe
ew
ee
De
ee
ee
eee wee
et
Oe
ee
eee
eee
;
wav
SN
+i
-19
settee Ses
Pe ce ins
.
Lubisidia
anti
:
1
adhe
“I?
a
met
dWV
YAMOd
8/1882
TN
wr
hie
|
_
Mah
WO1408
r02
iinse
‘tiiast
|=
Eilgse
|=
«GW
“aga
esa
OgO
ae
ies
20
oes
ve
§
9
ave
-
. yur ©, oevaeg en
~*Aayyeg
yo
jeuiusa}
eANeBau
wold
A/UXO|
19189)
|
INDO
UM
UAxe}
Jie
SjUaWaINseaw
96e}/OA
DQ
‘9.
OLV S2y
694
‘ywog
L-""*-3ndino
WNUIXe
YY
;
.
‘vonsod
AMAL
Vg,
ul
youms
1o10a|@s
AW
jiva-
ay
11S
‘p
ug,
poe
jeuBis
ON
yuauino
Aoneg
‘L
“uontsod
,
AQGZ~0ZZ.,
Ul
YOUMS
10}D0j9S
BBeijon
:€S
“€
“"UOINSOd
,J4O,,
UL
YOUMS
BDINOS
JOMOd
:2-%G
"t-2G
7
:
‘uonisod
UL
YOPIMS
1039918
tLeTONTAIS
“YL.
“uonisod
“HOH.
ul
UelNs
aud],
$$
*G
|
-
as
a
si
es
:
ey
gi
dhe
9h
«02
=I
+i
|
|
ey
LOOAIS?D B
d00S}0ED
a
a
a
ak
ole
WS
ee
epee
aps
eee
mre
em
ree
eo
Te
Ee
a
>
Ny
“al
Al
:
_
L2p-#
“ai
»
d02v£929
EVA
i)
—_—
gooceyo29
4
-—
77
L-ig
ze
|
7
ay
1
z
©
|
I
a
z]
Cy
pS
S
ug!
£
<
|
0021919
7
6)
a
joons
|
L—_——
al
ie
@
oy
oons
£6
Sy
eT.
oe
i
Seles
2
Se
7
INV
1X3.
4
a
:
“2
ANOD
)
dO9E
£21
rae
_
a
ue
had
ain
ath
lOpoINl-
-weaseia
oneweyos

“ a
=
ws
.
|
=
2
8
,
ne
(oO
©)
‘Oj
he®
~~
=
ea
1
5
a
=
/\
<=
‘
tae
7
=
are
=
—
DS&
Be
x
Bil
Ne
gl
et
et
OS
iaee
Ny
es
ae
cal.
an!
a
re
zh
SBF
S
—
don
gllWieo]
IS.
2
&
OQ
20%
ea
on
en
ee
;
-
eee
‘
JON
-441B
ANTENNA COIL |
Te Still of |
| Cf}
ae ae ST
a RA Se
ee
A
CriCp
-
.
=
G
=
:
=
‘aad
5
i
28
1
Xo
ae
7
H
Oo
.:
d
Ql
62)
o
rath
>
Sa,
ae
a
|
|
nm:
O89EY
FES
1
Ol
TS
3
daee
ST
a
£0
<e
Q¢0)
§°S
Le
Saar
=
=
se
2°
ES
SMG"
doosize)
&
400")
.
ol
a
m
S
S:
We
SR
Heda
29
=)
7
|
=
:
=
ord
|
=
.
a er BS 1 Ors} 65
fp, Fogo laat 185 | p88
coy eoe eal Pe! “Ogos S
‘ a bv + - = - 7 <7 +
La Mw ANTENNA COIL
PLILay Ut ty
ie Ley |G
OLEADIN, CB. os
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
7 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
z ~ 3
oe
sf
: s.
gue
a
eet
-
=
&
Siac
nSn
tte
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 ae
C390 100mfd, 6.3WV, Electrolytic ae a ae
we 4 220mfd, 6.3WV, Electrolytic |
| = Caz Oo 470mfd. 63WV, Electrolytic — -
es 10mfd, 1OWV, Electrolytic © © L
.o | 1000mfd, 1OWV, — Electrolytic Ea
ane Imfd, 50WV, Electrolytic | E ees
2 Ge ae ae
bt
ae
GO ®&
oe)
ro) 3
‘
.
| - 1 C50 ECEA10V470 | 470mfd, 1OWV, — Electrolytic
77 [cs ECCD05331K 330mmf, SOWV, £10%, Ceramic
-— - &
|
VARIABLE
CAPACITORS
q
me
1
C224
PVC2K20N
Tuning
Gang
| |
|
RCV4T-16M
_
|
Trimmer
tes
«|
Ecv1Ywo2p49
Fine
Tuning
Gang
7
E
Mid
COMPONENT COMBI
EXAF 2032471 O0.01mfd,.x2,4702 | |
: Eel
‘
. 7
. :
[a [rman [vege sone was id |
ER
[so fasion sem
os
eae ee
Caan
S |
>
| EAS10P70SA 10cm(4”) PM Dynamic Speaker, 89 - ce
, | CABINET | |
RYAR441BXA Cabinet (Complete)
CAi
RKA79A
|
Cabinet
Only
—
.
:
| |
|
et
CA2 | RSA27 | Frame Antenna ~
soe wae , oe —
eM gpnymee: Smee ai te tp ee Lot Catnapper t= yb Toten. SRR RTA UNC aE RRA 9 ROTTER EB ae?
ESTEEM. USERS Se etc % oMp, ree Se Ss: ee ae aa 3 : : a z 7 Sees hee
ves
Seg
Tn
Lt
<s
2
BNF
wes
ca
|
mA
Os
mie
neo
nf
SR
a8
22
“
ne
ie
ee
: OS @ int
t His

> >
ce) -
R-441B
-_—©
i
-_
*,
*
bn!
~
en
2
RGB295—1
Badge,
NATIONAL
PANASONIC
Mark
ae
oe
|
[ea
|
[Recsso
[Escutcheon
a
fear.
|
|
Roxss2
|
Indicating
Plate
ae
ee
eee
de )
ae ed
| Price
‘. Remarks _
Z -RMA248
RefNo. | Part No. _ Description —
Bracket, Frame Antenna M'tg. —
RMA249 Bracket, Frame Antenna. M’tg. | | 2
|
RJS22-2
a:
Jack
EXT.
Antenna
&
Earth
E
RJS23
|
Back Plate, Dial #8 aa a
| Handle, Cabinet | ; |
PRKT28 | Metal Fitting, Handle Mtg. . - Ae, gS 7
Terminal, EXT Antenna & Earth
CA3 — |
/
7
Tube, Battery
Cover, Battery Tube | |
XSN3D10S Screw, Bracket M’tg.
a ae ee
T
Cava. * e RGM1630 —| Metal Grille Osan te =.
@ P
> a
Knob, Volume. & Fine Tuning
}>
it
5
Be
techs. RHG111
Jack, Phono Pa -
Terminal, Battery, BSidde =
RUV112A — - . | Chassis Cover
Jack, Earphone
@ 7
oO re)
N
CH: | Heat Sink. Tranisiator (TA & The)
RDD4071-1 ~—Ss | Drum, Dial. Large
}RDD8008 =| Drum, Dial, Small a!
— Gort Dil 120m BOE
‘}
ry
ue |
=
Rubber Cushion, Core Antenna M'tg.
on
ff
eaten
mn °2)
whe.
ye
og
St
bey
¥ i
wt Rie
sterile SC AEACER MANDA SBC RESON ae

| ' - z= a ae R-4418B
Ref. No.. Part No. | | oe Ae Remarks | ee
XTN3D10BR_ Red Screw, Chassis M’tg.
XSN3D8RS Red Screw, Chassis Cover M’tg. a
XTN3D8RS° Red Screw, Chassis Cover M'tg. 42 |
XANAZT2O | Neon Lamp, Avester 100 <2 ee ee ee
ACCESSORIES
bias
Sn a RS HC
ee
Plug, Power Source | ea
Polyethylene Cover
ee
ae
Be
eC
_(rewoor
[ror
uisinon
wrmmo
P|
RPN2002 Pad R(Supply as RPN9QO5O)'
Hs
OSTA
a
a
es SSS cuibte Rianne eo GeRiba- ec

CABINET PARTS LOCATIONS
‘~~ mow
*
ELECTRIC PARTS LOCATIONS _
Ce
ee
ee
Oe
CL
oe
ay
a
5 Se.
Ls“
Cis
Cr
Va
M1
D2
4
Ra
TR
‘Bi
CHASSIS
PARTS
LOCATIONS
CA1
CAsCAs
—*
CAs
CA3
e
71010215
Printed wn Japan
Ts
—TRe
TR5
Eee ne ae