Panasonic RQ-320SD User manual

ORDER NO. ARD-7507062S
Service
Manual
Portable Cassette Recorder
RQ-320SD
Deluxe Portable AC/Battery Cassette Recorder
with Detachable/Built-in Condensor Microphone
a
RQ-237S MECHANISM SERIES
Specifications (Catalog specifications for sales)
Power requirement:
Motor :
Frequency response:
Recording system:
Operation:
Tape speed:
National Panasonic
AC; 220V, 50Hz
Power consumptions; 6W
Battery; 6V (four-R14 size dry batteries)
Car/boat battery; with optional car/boat
adaptor RP-914-E
Rechargeable battery; with optional
rechargeable battery pack RP-092
DC mechanical motor
50~11,000 Hz (with CrOz tape)
50~10,000 Hz (with REGULAR tape)
AC bias, AC erase
Pushbutton operation with Auto-Stop
mechanism
4.8cm/s
I
oo:
oe
Program time:
Fast forward and
rewind time:
Track system:
Input:
Output:
REC/PB connection:
Speaker:
Dimensions:
Weight:
1 hour with C-60 cassette tape
Approx. 90 seconds with C-60 cassette
tape
2-track monaural recording and playback
MIC; sensitivity 0.28 mV/applicable
microphone impedance 2002~6002
AUX; sensitivity 100 mV/180 K2
DC IN; 6V
EXT SP; 8Q
REMOTE; for start and stop at hand
5P DIN type
10cm PM dynamic speaker
23.5em(W) X27.2cm(H) X8.5cm(D)
3kg
Specifications are subject to change without notice for further improvement.
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan

RQ-320SD
The
following
shows
differences
of
the
parts
between
RO-320S
and
RQ-320SD
for
England.
For
the
comparison,
please
refor
to
the
Service
Manual
of
RO-320S.
There
is
no
great
changes
except
the
differences
of
parts
listed
below.
There
will
be,
therefore,
no
inconveniences
in
performing
service work and carrying on perfect parts control.
We hope you would make the best use of this supplementary.
Part No.
Description
RQ-320S
RQ-320SD
Remarks
Carbon Resistor
|
1 ERD14TJ222
Added
"
ERD14TJ472
N
Power Transformer
QLPN23AJHW
QLPD9AJAA
Rotary Switch
(AC Voltage Selector)
| asR000s8
Deleted
DIN Switch
AC Socket with S6
QJS0316H
4 Ref. to E23
QJS0320
Fuse O0.5A
XBAQ050026
(2 pcs.)
Fuse Holder
_|
QTF1020
AC Socket Cover
QTWKOOO6A
DIN Jack with S8
QJA0429
Main Body Case Ass‘y
QYM0238W.
QYM0270W
Side Panel-L
QGP1357
QGP 1382
Bottom Case Ass'y
QYM0239
QYMO0271
AC Plug Adaptor
QJPO6035S
Deleted
AC Power Cord
QFC1064
QFC1105(Capless)
Instruction Book
QQT0784
[ 0
QQT0903
a
inside Carton
QPN3165
QPN3284

Schematic Diagram
r---------
By)
Jl
EXT MIC
OQOQQQQQQQ0Q0000
O—-Hl!+ — Alt+-O—9 RECHARGEABLE BATT.
rag 10 (aw) | PAK Olt | BV UM2x4
O OO O O
AC POWER
NOTE: and J indicates that only parts specified by the manufacturer be used for
replacement in critical circuits.
S8-1, $8-2--- DIN jack changeover switch (coupled with 5P DIN jack).

Wiring
WHT WHT
To capacitor (C2) on PCB
To MIC jack on PCB
To PCB earth line
To resistor (R36) on PCB
To the foil connected to the terminal
No. 5 of output transformer (T2) on PCB
To EXT SP jack on PCB
FUSE
POWER
TRANSFORMER
RED
RED
To rectifier coay{
WHT
To PCB earth line
To DC IN jack on PCB
AC SOCKET
NOTE: Abbreviation of color cord.
BLK --- Black SLD .--- Shield
BRN--- Brawn WHT--- White
ORG--- Orange YEL --- Yellow
RED --- Red

Hit i"
uh
ORDER NO. ARD-7104050 ae
CASSETTE TAPE RECORDER
WITH FM/AM RADIO
move. RQ-2378
RQ-237S MECHANISM SERIES
GRABADOR MAGNETICO TIPO “CASSETTE”
CON RADIO FM/AM
MODELO RQ-237S
MAGNETOPHONE A CASSETTES
AVEC RADIO FM AM
MODELE RQ-2375S
KASSETTENTONBANDGERAT MIT FM/AM RADIO
MODELL RQ-2378
(HZ RMSE, Bae / PENS
RQ-237S8S #
<EXPORT DIVISION>
MATSUSHITA
ELECTRIC
TRADING
CO.,
LTD.
MATSUSHITA
ELECTRIC
INDUSTRIAL
CO.,
LTD.
P.O. Box 288 Central, Osaka, Japan AUDIO TAPE RECORDING DEPT.

SPECIFICATIONS
Power Source:
Power Consumption:
Motor:
Maximum Output:
Transistors:
IC:
Diodes & Rectifier:
Track System:
Tape Speed:
Recording Bias
System:
Erasing System:
Fast Forward Time:
Rewind Time:
AC: 90~110, 110~125, 200~220,
220~250 volts, 50/60 Hz
DC: 9 volts (six “C”’ type batteries)
DC: 12 volts (car battery with
National car adaptor RP-915)
6W
Electronic governor motor
2W
2S8C920(5) 2SB324(1)
MS115P(1)
OA90(6) SC15(1) 181211(2)
KB265A(1) 1S81850(1)
2 tracks, monaural
1-7/8 ips
AC bias 35 kHz
AC erase
Approx. 90 seconds with C-60
cassette tape
Approx. 90 seconds with C-60
cassette tape
ESPECIFICACIONES
Fuente de energia:
Consumo de energia:
Motor:
Potencia de
salida maxima:
Transistores:
IC (circ. integrado):
Diodos y rectificador:
Sistema de pistas:
Velocidad de cinta:
Sistema de polariza-
cién de grabacién:
Sistema de borrado:
Tiempo de
avance rapido:
C.A.: 90~110, 110~125, 200~220, 220~
250 voltios, 50/60 Hz
C.C.: 9 voltios (seis pilas “C”)
C.C.: 12 voltios (de un acumulador de
auto, usando el adaptador para
coche RP-915 de National)
6 vatios
Motor regulador electrénico
2 vatios
2SC920(5) 2SB324(1)
MSII5P(1)
OA90(6) SC15(1) 1S1211(2)
KB265A(1) 1S1850(1)
2 pistas, monaural
4,8 cm/seg.
Polarizacién por C.A., 35 kHz
Borrado por C.A.
Aprox. 90 segundos con cinta de
cassette C-60
Tiempo de
rebobinado: Aprox. 90 segundos con cinta de
cassette C-60
SPECIFICATIONS
Alimentation: CA: 90~110, 110~125, 200~220,
Consommation:
Moteur:
Sortie maximum:
Transistors:
Circuit intégré:
220~250 volts, 50/60 Hz
Courant continu:
9 volts (six piles “C’’)
Courant continu:
12 volts (sur batterie d’auto-
mobile, au moyen de l’adaptateur
pour automobile National RP-915)
6 W
Moteur a commande électronique
2W
2S8C0920(5)
MS115P(1)
2SB324 (1)
Monitor System:
Frequency Response:
Inputs:
Output:
Recording Time:
Speaker:
Battery Life:
Dimensions:
Weight:
—RADIO SECTION—
Frequency Range:
Intermediate
Frequency:
Sensitivity :
Sistema de control
de los sonidos:
Respuesta de
frecuencia:
Entradas:
Salida:
Tiempo de grabacién:
Altavoz:
Duracion de las pilas:
Dimensiones:
Peso:
—SECCION RADIO—
Limites de frecuencia:
Frecuencia
intermedia:
Sensibilidad:
Diodes & Redresseurs:
Systéme de pistes:
Vitesse de la bande:
Systéme de polarisa-
tion d’enregistrement:
Systéme
d'effacement:
Durée du
bobinage rapide:
Durée du rebobinage:
Sound monitor
50~10,000 Hz
“MIC” 3.3 KO
“AUX IN” 100 KQ
“EXT SP” 8Q
One hour (two-way, using C-60 tape)
4” round, permanent dynamic type
Approx. 8 hours (National “Hi-Top”
type “C” batteries)
11-3/8” (W) x 7-1/2” (H) x 3-1/8” (D)
Approx. 5-1/4 lbs.
FM: 87.5~108 MHz
AM: 525~1,605 kHz
FM: 10.7 MHz
AM: 455 kHz
FM: 2uV/50 mW
AM: 150#V/m/50 mW
Por control de los sonidos
50~ 10.000 Hz
“MIC” 3,3KQ
“AUX IN” 100KQ
“EXT SP” 80
Una hora (total, en ambos sentidos)
usando cintas C-60 :
Redondo de 10 cm., tipo dinamico
permanente
Aprox. 8 horas (pilas tipo “C”,
National “Hi-Top”’)
290(A) x 190(A) x 80(H) mm
2,4 kgs.
: 87,5~108 MHz
: 525~1.605 kHz
: 10,7 MHz
: 455 kHz
: 2uV/50 mW
: 1502V/m/50 mW
OA90(6) SC15(1) 181211(2)
KB265A(1) 1S81850(1)
2 pistes, monaural
4,8 cm/s
Polarisation CA, 35 kHz
Effacement CA
Environ 90 secondes avec les
cassettes C-60
Environ 90 secondes avec les
cassettes C-60

Systéme de contréle:
Réponse de
fréquence:
Entrées:
Sorties:
Durée
d'enregistrement:
Haut-parleur :
Durée des piles:
Contréle acoustique
50~10.000 Hz
“MIC” 3,3 KQ
“AUX IN” 100KQ
“EXT SP” 80
Une heure
(deux sens, avec la bande C-60)
Dynamique, permanent, rond, de
10cm.
Environ 8 heures (piles National
“Hi-Top”, type “C’)
TECHNISCHE DATEN
Stromquelle:
Leistungsaufnahme:
Motor:
Maximale
Ausgangsleistung
Transistoren:
Integrierter
Wechselstrom :
90~110, 110~125, 200~220, 220~
250 Volt, 50/60 Hz
Gleichstrom :
9 Volt (sechs Monozellen GréBe “C”’)
Gleichstrom:
12 Volt (oder Autobatterie tiber
AutoanschluBleitung RP-915)
6 W
Elektronischer geregelter Motor
: 2W
28C920(5) 2SB324(1)
Stromkreis: MS115P(1)
Dioden & Gleichrichter: OA90(6) SC15(1) 1S1211(2)
KB265A(1) 1S1850(1)
Spuren: 2 Spuren, 1 Kanal (mono)
Bandgeschwindigkeit: 4,8 cm/sek.
Aufnahmevorspannung: Wechselstrom mit 35 kHz
Loéschsystem: mit Wechselstrom
Schnelles Vorspulen: Ca. 90 sek mit Kassettenband C-60
Zurtickspulen: Ca. 90 sek mit Kassettenband C-60
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220~250 tK 50/60 iz
LBRO th Ch Ete 6 (EL)
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National AHH Be4s RP-915)
6 A
2K
2SC920(5) 2SB324(1)
MS115P (1)
OA90(6) SC15(1) 181211(2)
KB265A(1) 1S1850(1)
Seok, BAB
4% 1-7/8 Wy
Be Hit 35 Fish ek
BOA
> 190 #, BEA C-60 eh Ze [Hse nae:
i) 90 #D, (8EHI C-60 Hh Beat
Dimensions:
Poids:
Gamme de
fréquences:
Fréquence
intermédiaire :
Sensibilité :
Monitorsystem :
Frequenzbereich :
Eingange:
Ausgange:
Spieldauer :
Lautsprecher :
Batterielebensdauer :
Abmessungen:
Gewicht:
—RADIOTEIL—
Frequenzbereich:
Zwischenfrequenz:
Empfindlichkeit :
fm
We xk
Boe
FF
ia
A
a
ih
ae yi
it
FA
ee
PA:
R
wy
KR
A:
HE
Tt:
—
KS
BaP
oo
3
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iA:
rh
NL
hk:
290(L) x 190(H) x 80(P) mm
2,4 kg
—SECTION RADIO—
FM:
AM:
FM:
AM:
FM:
AM:
87,5~108 MHz
525~1.605 kHz
10,7 MHz
455 kHz
2uV/50 mW
1504V/m/50 mW
Direkt, vor Band
50~ 10.000 Hz
“MIC” 3,3KQ
“AUX IN” 100 KQ
“EXT SP” 80
Eine Stunde (doppelseitige Bespielung
eine Kassette vom Typ C-60)
Dynamische Lautsprecher mit 10cm
Durchmesser
Ca. 8 Studen (National “Hi-Top”
Batterien vom Typ “C’”)
290(B) x 190(H) x 80(L) mm
2,4 kg
> 87,5~108 MHz
: 525~1.605 kHz
: 10,7 MHz
: 455 kHz
> 2uV/50 mW
> 1507V/m/50 mW
: eee
£2 50~10, 000 iii zx
: SESE HBV. (MIC)
Hae A (AUX IN)
: SLAGIRER WEL (EXT SP)
LN (BEI, RFE C-60 Bee)
3.3 FK
100 EK
8 EK
AIS AIBA RH
#5 8 /|\ (National Hi-Top #it#E
11-3/8 (8) X 7-1/2) X 3-1/8 GA) FY
#9 5-1/4 15
#84 87.5~108 Behe
aH 525~1 605 Fi xk
DS 10.7 Babe
AHL 455 Fi
ASH 2 TBUK/50 SE de
HD 150 $etK/K/50 Be

Fig. 1
LOCATION OF PARTS
@
Cassette
ejection
button
4
Cassette
holder
@ Stop button 45 Tuning knob
@
Playback
button
46
Remote
jack
@
Fast
forward
button
47)
Multiplex
output
jack
® Rewind button 48) Car battery input jack
© Record button a9 Microphone jack
@® Radio/tape selector @) Auxillary input jack
® Tone control knob @) Easy-matic switch
@®
Volume
control
knob
@3)
External
speaker
jack
a) Built-in microphone @3. FM/AM selector
a) Antenna @4 AFC switch
4 VU meter @) AC socket
43 Tape counter & reset button @ Battery compartment

UBICACION DE LAS PIEZAS
@ Boton para expulsar la “cassette”
@ Botoén de parada
@ Boton de reproduccién
@ Botén de avance rapido
® Botén de rebobinado
Boton de grabacién
@ Interruptor selector de radio/cinta
Perilla del control del tono
@© Perilla del control del volumen
Microféno incorporado al aparato
@ Antena
@2 Medidor VU
@3) Contador de cinta y botén de puesta a cero
Receptaculo para la “cassette”
POSITION DES PARTIES
@® Bouton d’éjection de la cassette
@ Bouton d’arrét
@® Bouton de lecture
@® Bouton de bobinage rapide
® Bouton de rebobinage
© Bouton d’enregistrement
@ Sélecteur radio/magnétophone
Bouton de commande de la tonalité
@® Bouton de commande du volume
Microphone incorporé
@ Antenne
@ Modulométre (VU)
@ Compte-tours de bande et bouton de remise a
zéro
LAGE DER TEILE
@® Kassettenauswurftaste
@ Stoptaste
@ Wiedergabestaste
@® Vorlauftaste
® Riicklauftaste
Aufnahmetaste
@ Wabhlschalter Radio/Band
Klangregler
@ Lautstarkeregler
Eingebautes Kondensatormikrofon
@ Antenne
@ Aussteuerungsinstrumente
@ Bandlangenzihlwerk mit Rtckstellknopf
Kassettenhalterung
4) Perilla de sintonizacién
Enchufe para control remoto
@ Enchufe de salida multiple
Enchufe de entrada para acumulador de
automovil
Enchufe para micréfono
@ Enchufe de entrada auxiliar
@ Interruptor Easy-matic
@ Enchufe para altoparlante externo
@ Interruptor selector de FM/AM
@ Interruptor AFC
(Regulador automatico de frecuencia)
@) Enchufe para corriente alternada
Departamento para las pilas
Compartiment de la cassette
@) Bouton de réglage des stations
Prise pour télecommande
@ Prise pour sortie multiplex
Prise d’entrée pour batterie d’automobile
@ Prise pour microphone
@) Prise d'entrée auxiliaire
@) Commutateur “Easy-matic”
@ Prise pour haut-parleur externe
@ Sélecteur FM/AM
@ Commutateur du contréle de fréquence
automatique (AFC)
@) Douille pour alimentation sur secteur
@ Compartiment des piles
@ Abstimmknopf
Fernbedienungs-AnschluB
@ Multiplex-Ausgangsbuchse
AutobatterieanschluB
Mikrofon-Anschlu8buchse
@) Hochpegeleingang
@ Schalter fiir “Easy-Matic”
(Aufnahmepegelregelung)
@ AnschluBbuchse fiir externen Lautsprecher
@) Wahlschalter FM/AM
@4 Schalter fir AFC
(automatische Frequenzregelung)
@) Netzanschlu8buchse
@ Batteriefach

Ae ean Le
®O@BOO@Qoa®
®&
ws eS
)
Vy
&
®
DISASSEMBLY INSTRUCTIONS
HOW TO REMOVE BOTTOM CASE
1. Remove 4 bottom case holding screws (A).
2. The bottom case can then be removed.
INSTRUCCIONES
PARA
DESARMAR
EL
APARATO
PARA
QUITAR
LA
CAJA
INFERIOR
1. Quitar los 4 tornillos que sostienen la caja inferior (A)
2. De esta manera, se podra ahora quitar la caja inferior