Hitachi SR-2004 Service Manual

SERVICE

MANUAL

English
Franc;ais

No. 128

.,

SPECIFICATIONS

•

FM

SECTION

88

Frequency range
Usable sensitivity

50 dB Quieting sensitivity

ratio

Signal-to-noise
Harmonic

Frequency response
Image response
Spurious response
IF response
Alternate channel selectivity

Capture ratio
AM
Stereo
Sub
SeA
Muting threshold
Antenna

distortion

ratio

suppression

separation

carrier suppression

rejection

input

(at 6S dBf)

(at

6S dBf)

NARROW 100

WIDE

ratio

ratio

NARROW

WIDE

I kHz

6

kHz

100

I kHz

6 kHz

Hz

Hz

- 108 MHz
Mono: 8.7
Mono: 12.5 dBf (2.3pV)
Mono:75dB

Mono: 0.15%

Mono: 0.1%
Mono: 0.25%

Mono: 0.15%

Mono: 0.07%

Mono: 0.2%

Hz-IS

30
115

120

I]

5

85 dB
45 dB

I dB

60 dB

50dB(I
70

dB

70

dB

28

dBf(14pV)

300

dBf

(1.5pV)

kHz

C~:~

dB
dB

dB

kHz)

ohms

balanced, 75 ohms unbalanced

aG)

Stereo: 24
Stereo: 36
Stereo:

Stereo:
Stereo: 0.2%
Stereo: 0.3%
Stereo:
Stereo: 0.1%
Stereo: 0.3%

70dB

0.25%

0.25%

dBf

dBf

(8.9pV)

(34.5pV)

Inside the parenthesis

IHF

'58

STEREO

RECEIVER

November 1977

HITACHI

•

AM

SECTION

Frequency
Sensitivity
Image rejection
IF rejection
Selectivity (IHF)
Signal-to-noise rario
Antenna

•

AUDIO

Output

SR-2004

range

SECTION

RMS

(Both

Music power (IHF)

power

channels driven)

530

- 1,605 kHz
370llY/m(S/N20dB), 20llY (IHF,
70

dB

90

dB

40

dB

50

dB

Ferrite and Separate terminal

200

watts per channel, min. RMS, at 8

from 20 Hz to

0.08

%total harmonic distortion.

230W/ch + 230W/ch (8 ohms, I kHz, T.H.D. 0.08%)

230W/ch
400W/ch +400W/ch (8

+230W/ch

20

kHz, with no more

(4

ohms,
ohms)

ext.

Antenna)

1 kHz, T.H.D. 0.1

%)

e

ohms

than

Power

bandwidth

Frequency

Harmonic distortion

Intermodulation

Input

sensitivity
(at
PHONO

AUX
TAPE-I
TAPE-2
ADAPTOR

DIN
MIC

Max.

input

Output

TAPE OUT

DIN OUT

Signal-to-noise ratio

(IHF,

A-network, rated power)

PHONO

AUX

TAPE

Damping factor
Equalizer

control

Bass

Midrange
Treble

characteristics

(at

rated

(at

'!zrated

(at

rated

(at

'!zrated

200Woutput,

I,

level (PHONO)

level

input

1,2

1,2

control

control

PHONO 2

output)

output)

distortion

output)

output)

shorted,

I kHz)

10 Hz -40kHz

15

PHONO 30 Hz -

10

AUX

Less than 0.08%
Less than 0.03%

0.08%

0.03%

2.5 mY (47 k ohms)
150 mY
150 mY (35 k ohms)
150 mY (35 k ohms)
150 mY (35 k ohms)

450mY(95k
3 mY (50 k ohms)
500

mY

150 mY (PHONO, AUX

200 mY (FM

150 mY (AM

40

mY (PHONOatrated

75 dB
90

dB

90

dB

(l

kHz,8

75

RIAA ±0.2 dB

dB

±10
±10 dB (at 100 Hz turnover frequency
±6 dB (at 1 kHz)
flO
±I0

(at50Hz turnover frequency 150 Hz)

dB (at 10 kHz
dB

(at 20 kHz

Hz -40kHz ±1.5 dB

(50

k ohms)

ohms)

400

400

ohms)

kHz ±0.2 dB

at

rated

Hz, 30% dev.

Hz, 30%

turnover
turnover

mod.

input)

frequency 3 kHz)
frequency 6 kHz)

input)

input:

input:5mY/m)

1 mY)

300

e

Hz)

-2-

•

HITACHI

SR-2004

e

Loudness

(Volume
at

High filter

•

Low filter
Audio
Tape

monitor

Speaker switch

Tuning
Power
AC

outlet
Speaker terminal
FM

MUTING/AUTO LOCK
MPX noise filter
IF

BAND filter

MULTIPA

Pre/main amplifiers
Adaptor
Power supply
Power

Dimensions

Weight

control

control

-33

dB position)

muting

meter

consumption

meter

TH

switch

effect

filter

Specifications

set

+9 dB

-10dBat

-10dBat50Hz (12 dB/oct.)
20

-

1,2

A,B,C,A+B,B+C,C+A,OFF

2
2

3

(One
One
Provided
Provided
NARROW
Provided
Separable
Provided
AC
850
580
22-3/4

25.5 kg

and

designs maybechanged

(100

Hz),+4dB

10 kHz (12 dB/oct.)

dB, 0 dB,

touch

120V60

W

(W)

-40

switched50W & 2 unswitched

terminal

and

WIDE

Hz

x

186

(H) x 447 (D)

(W) x 7-1/2 (H) x 17-1/2 (D) in.

(56.2

Ibs.)

without

(10

dB

notice for

kHz)

mm

total

improvement.

150

W)

e

-

CARACTERISTIQUES TECHNIQUES

• SECTION

Bandedefrequence
Sensibilite utilisable
Seuil de sensibilite

Rapport

Distorsion

Reponse

Rapport

Rapportdereception

Rapportdereceptiondemoyenne

frequence

Selectiviteducanal de rechange

Rapport

Suppression

Separation stereo

Filtrage de la sous-porteuse

Rejection SCA

Seuil

Entree de

FM

signal/bruit

harmonique

NARROW

WIDE

de

frequence

de selectivite

NARROW
WIDE

de captage

AM

d'elimination

I'antenne

50

dB

(65

dBf)

(65

dBf)

100

1 kHz
6 kHz
100
1 kHz
6 kHz

non

selective

des parasites

Hz

Hz

88-108MHz
Mono: 8,7
Mono: 12,5

Mono: 75 dB

Mono: 0,15% Stereo: 0,25%
Mono: 0,1%

Mono: 0,25%
Mono:

0,15%
Mono: 0,07%
Mono: 0,2%
30

Hz -15kHz

115 dB .

120

dB

115 dB

85 dB
45 dB

1 dB

60

dB
50dB(1
70
70
28
300

kHz)
dB
dB
dBf(1411V)

ohms

ponderes, 75

V

dBf(1,5I1

dBf

)

(2,3I1V)

e~'~~B)

ohms

Stereo: 24 dBf(8,9I1V)
Stereo:36dBf
Stereo:

Stereo: 0,2%
Stereo: 0,3%
Stereo: 0,25%
Stereo: 0,1%
Stereo: 0,3%

non ponderes

70

(34,5I1V)

dB

Entre

parentheses:

IHF'58

-3-

HITACHI

SR-2004

• SECTION

Bande
Sensibilite
Rejet
Rejet MF
Selectivite
Rapport
Antenne

• SECTION

Sortie

Sortie
Bande passante

Distorsion harmonique

Distorsion

Sensibilite d'entree

Niveau
Bornes de sortie

Rapport

Facteur
Compensateur
Commande

Commande

Commande

Sonorite

AM

de frequence

image

(IHF)

signal/bruit

AUDIO

Puissance nominale

Puissance musicale

bande

passante

(a la puissance reelle)

(a la moitie de

d'intermodulation

(a la puissance reelle)

(a la moitie de la puissance

(sous

200W,1 kHz de sortie)
PHONO
AUX
Bande-I
Bande-2
ADAPTOR
DIN
MIC

d'entree

TAPE

OUT

DIN OUT

signal/bruit

(IHF,

reseau A, puissance nominale)
PHONO
AUX
TAPE

1,2

d'attenuation

des graves

des mediums
des aigus

(Ensemble de
volume position

la

puissance reelle)

I,

PHONO 2

maxima (PHONO)

1,2

commande

-33

dB)

rt~elle)

du

530

- 1.605 kHz
370llY/m(S/B 20 dB), 20llY
70

dB

90

dB

40

dB

50

dB

Antenne de ferrite avec borne separee

200

W/ch +

230

W/ch + 230 W/ch(8ohms,

230

W/ch + 230 W/ch(4ohms, 1 kHz, T.H.D. 0,1

400

W/ch +
10 Hz ­PHONO 30 Hz ­AUX 10

0,08%
0,03%

0,08%
0,03%

2,5 mY

150

mY

150 mY (35 k ohms)
ISO mY (35 k ohms)
150 mY (35 k ohms)

450

mY (95
3 mY

500

mY

150 mY (PHONO, AUX

200mY(FM

150 mY

40

mY (PHONO a

dB

75
90dB
90

dB

75(IkHz,8

RIAA ±0,2
±IOdB(a
±IO

dB

dB

±6

dB

±IO

dB

±IO
+9dB(100

200

W/ch (8 ohms,20Hz -20kHz, T.H.D. 0,08%)

400

W/ch (8 ohms)

40

kHz

15

Hz-40

(47k

ohms)

(50k

ohms)

kohms)

(50

k ohms)

400

Hz, 30%

(AM

400

Hz, 30%

l'entree

ohms)
dB
50

Hz, frequence de renversement 150 Hz)

(a 100 Hz, frequence

(a I kHz)

(a 10 kHz, frequence de renversement 3 kHz)

(a 20 kHz, frequence de renversement 6 kHz)

Hz), +4dB(10

(Antenne

I kHz, T.H.D. 0,08%)

kHz ±0,2 dB
kHz ±1,5dB

a

l'entree

d'entree

d'entree

nominale)

de

renversement

kHz)

nominale)

dev.: 1 mY)

mod.: 5 mY/m)

ext., IHF)

300

--

%)

•

Hz)

-4-

-

HITACHI

SR-2004

e

Filtre haut
Filtre bas
Effet de sourdine audio
ContrOie de bande

•

Interrupteur de haut-parleurs
Indicateur de syntonisation
Indicateur de puissance
Sortie C.A.
Borne de haut-parleur
FM

MUTING/AUTO LOCK
Filtre de bruit parasite
Filtre de bande FI
Filtre de trajets multiples
Preampli/Ampli principal
Commutateur d'adaptateur
Alimentation
Consommation
Dimensions
Poids

Les

caracteristiques techniques et la presentation peuvent etre modifiees sans preavis par suite d'ameIiorations.

MPX

-10

dB

a10 kHz (12 dB/oct.)

-10

dB

a50 Hz (12 dB/oct.)

-20

dB, 0 dB, - 40

1,2

A,B,C,A+B,B+C,C+A,OFF

2
2

3 (Unede50 W raccordee, et deuxde150 W non raccordee)
Borne

aune touche

Incorpore

Incorpore
Position WIDE
Incorpore
Separes
Incorpore
Secteur 120 V 60
850W
580 (L) x 186 (H) x 447 (P) mm
25,5 kg

dB

et

NARROW

Hz

e

-

IMPORTANT NOTICE "

(1) When measuring the output power or listening

program sources with the 4-0HMS load impedance,
do not drive the Model SR-2004 at full power for a
long period

(2) When using the model with a continuous

over 200 watts, the protection indicator will light
up and the sound will sometimes be interrupted.
This does not indicate a breakdown. In such cases,
tum
then wait 30 seconds before switching the power
back on again.

(3) The Model SR-2004 has two types

of

time.

off

the power, turn down the volume level and

of

electronic pro-

output

to

of

tection circuits; a shut-down circuit and current

If

limiter circuit.

outputofthe amplifieriscut off.

the
When only the current limiter circuit
the operation

down.

(4) Before taking

and MAIN IN terminals on the rear panel, make sure
that POWER switch
attenuator volume

(5) Set the

you are not using the microphone.

MIC

the shut-down circuitisactuated,

is

of

the power amplifierisnot

off

the couplers from the PRE OUT

is

settoOFF and

is

settothe lower position

MIXING volume controltoOFF when

actuated,

that

(00).

AVERTISSEMENT IMPORTANT

(1) Quand on mesurelapuissance en sortie ou que I'on

ecoute des sources de programmes avec I'impe­dance

de

charge de 4-ohms,nepas faire fonctionner

Ie

modele SR-2004 apleine puissance pendant une

longue periode de temps.

on

(2) Quand

de puissance depassant 200 watts,
tection peut s'allumer et
s'interrompre. Ceci ne veut pas dire qu'il y ait une
panne. Dans de tels cas, couper l'alimentation, bais­ser
secondes avant de reaIimenter I'appareil.
Le

(3)

cuits de protection electronique; un circuit d'arret

utilise cet appareil avec un debit continuel

Ie

Ie

niveau du son, et puis attendre environ 30

modele SR-2004 est equipededeux types de cir-

Ie

voyant de pro-

son peut quelquefois

total et un circuit de limitation
cas oilIecircuit de coupure totale est active, la sor-

de

I'amplificateur est coupee.

tie

Ie

Quand seul
active, l'amplificateur continue

(4) Avant

(5) Mettrelacommandedevolumedemelange micro

,pasIemicrophone.

de
nes PRE OUT et
prendre bien soin
d'alimentation est bien

et

(arret)
position la plus basse

(MIC

MIXING) surlaposition OFFsivous n'utilisez

circuitdelimitation de courant est

retirer les barres d'accouplement des bor-

MAIN

de

verifier queIecommutateur

queIevolumedeI'attenuateur est sur la

(00).

de

courant. Dans

afonctionner.

IN

du panneau arriere,

mis

sur1aposition OFF

shut

the

"-

Ie

-5-

HITACHI

SR-2004

FEATURES

Tuner

Section

1.

Dual Gate MOS FET for High QualityFMTuner
Three Dual Gate MOS
variable capacitors offer excellent
(I.5j1V), intermodulation characteristics, high S!N ratio
and

spurious rejection.

2.

Auto-Lock
To

stabilize tuning, an

This circuit engages immediately when
tuning

tuning

for

(the
Releasing
circuit which automatically stabilizes the tuning circuit
and
and

3.IFBAN
SAW
IF

BAND selector switchisprovided in the

to

provide a selectivity
conditions.
In the WIDE position,
superior group delay characteristics in the wide fre­quency range, and

FILTER
In the NARROW position,
CERAMIC
interference sharply by high selectivity.

4.

High-Selectivity and Low-Distortion IF Amplifier using

IC's

and
A 6-stage differential amplifier
sive use
IF stage,

IF amplifier greatly improves

characteristics.

5.

Quadrature
Quadrature detection
a wide

6.

Phase-Locked LoopICfor
A PLL-IC, which was developed
the

FM!MPX circuit for a high separation
tortion.
temperature

7.

Reed Relays for Cutting

In the
vided in
noise.

8.

MPX NOISE FILTER
Sometimes
obtaining
receivers,

reduce this noise.
The

noise

9.

FM

MULTIPATH Switch with Meter
Reception
Direct signals and signals reflected by mountains and
buildings cause a multipath effect. This increases dis­tortion
To

eliminate this trouble, thereisa

circuit which operates together with

10.

3-gang Variable Capacitor for High Selectivity

Reception
A 3-gang variable capacitor
sensitivity and selectivity during

-------------------

FET'sinthe

Circuit

knob

after precise tuning.

knob,

you can disengage

Auto-Lock indicator goes

the

tuning knob re-engages

locks

onto

the station selected for a high S!N ratio

low distortion.

D Selector Switch for Flexible Selectivity and

FI

LTER for Low Distortion

offer sound with

FILTER

3 Ceramic Filters

of3Ie's,

that

have good phase characteristics, in the

Detection

band

coverage and low

Also, high reliabilityisachieved with respect to

and aging.

FM

MUTE position,

FM

audio

high frequency noise prevents

hi-fidelity

you

havetolistentobroadcastsinmono

MPX NOISE

without

imparing

and downgrades separation.

Auto-Lock

that

the

the

4-pole

extra

will also

and

two

ceramic filter elements in the

with

the

FM/MPX Circuit

out

output

FM

stereo reception. With some

FILTER

can be usedtoreduce this

theFMstereo effect.

is

front-end

circuitisprovided.

Justbytouching the

the

Auto-Lock circuit

off)

fine tuning.

meets different receiving

SAW

FILTER,

LC

LINEAR PHASE

low distortion.

the

2 LINEAR PHASE

operatetocut

is

employed.

the

limiter and selectivity

extensive useofIe's

distortion.

by

Hitachi,isused for

Detuning Noise

two

Reed Relays are pro-

stage

to

cut

for

multipath

the

provided for achieving high

AM

reception.

and

5-gang

FM

sensitivity

you

release the

the

Auto

FM

IF stage

which has

out

The exten-

and

low dis-

out

detuning

you

Best

FM

detection

signal meter.

AM

Lock

the

FM-

has

from

to

11. Ceramic Filter,
A ceramic filterisemployed in
enhanced
sive use

12.

Two
wheel Tuning Knob
Two
and
The dial mechanism employs a large-sized fly-wheel with
a high

Audio

1. Newly Developed High-Efficiency High-Power

Amplifier (Series E ..... Class GorDynaharmony

Amplifier)
This amplifier delivers a higher

(400
conventional class-B amplifiers.
The

tion minimizes the

the weight

This amplifier has twin

Under this
namic power which

maximum

2. Twin Power Meters

To
combined

3.

Midrange
This amplifier has
controls

By

ferred frequency characteristics

The

This feature offers good feel which makes for easier set­ting
Turnover

4.
This model has
low

Each switch has two turnover frequency settings.

In
touching
provided. You can adjust the frequency characteristics

to
andtosuit

5.

Calibrated
A precisely calibrated 32- click-stop
uatorisused for the volume
easier setting and resetting
level.
Audio

6.
This switch
without
between
Further,
of
attenuator

7. Mic Mixing
A mic mixing circuit
Just

sounds from the microphone
sources.

of

Large Easy-to-Read Meters

easy-to-read meters are usedtoindicate the signal

tuning

momentofinertia for easy operation.

Section

W per channel, 8 ohms)

relative low power

see

the

setting these three controls,

controls all have11click-stop

and

and

ordertomake flat frequency characteristics

meet

Muting Switch

output

connect

ICsinAM

selectivity and AGC characteristics. The exten-

Ie's

improves stable reception.

levels.

------------------

and

sizeofthe whole amplifier.

method,

rated

output

actual power

two new attractive

Tone

Control

but

also a MIDRANGE

resetting.

and Tone Defeat Switches

high frequency characteristics independently.

touching the level

two
a more precise and flexible setting

two

tone

controls

the acoustic conditionsofyou

your

taste.

Attenuator

is

very useful when lowering

attenuation values

level can be achievedbycombining the level
and the muting switch.

a microphone and

Tuner

the

AM

tunertoobtain

and

a Large-sized Fly-

Audio

dynamic

without

consumptionofclass G opera-

heal

sinkofthe

DC

power supplies.

c1ass-G

is

more

powerormore.

(L

and R channels)

output

not

only BASS

turnover switches for adjusting the

tone

(Volume Control)

is

incorporated

power transistors and

operation

than

twice the valueofthe

while

power

tone
you

of

the
contact

defeat functions are also

control.

of

the

desired power

attenuator.

(-20dB,

you

with

oUlpuCpower

distortion than

can deliver dy-

you

meters are provided.

in this model.

are listening,

and

TREBLE tone

control.

can choose

amplifier.

points.

listening room

contact

will be abletomix

point

This makes for

the

sound level

You can choose

-40dB).
and

other

the

pre-

without

atten-

output

resetting

program

e

e

•

-6-

HITACHI

SR-2004

-

•

-

8. Tape Dubbing
Tape dubbing can be done either from TAPE-I
2 or vice versa. There
with which tape dubbing
FM

•

broadcast or a record.

9. Low Filter and High Filter
The low filter cuts
rumble from a turntable and the high filter cuts out the
high frequency noise such
records and high frequency noise while listeningtoFM
broadcasts.

out

CARACTERISTIQUES

Section Tuner

1.

MOSFET
qualite

Les trois
d'attaque
permettentd'obtenir
IlV), des caracteristiques d'intermodulation,unrapport
signal/bruit tres eleve et une suppression des parasites.

2. Circuit auto-verrouillable
Pour stabiliser la syntonisation,uncircuit auto-verroui!­lable est installe. Ce circuit s'enc1enche immediatement
des que vous reliichezIebouton
avoir
bouton
auto-verrouillable (Ie voyant du circuit s'eteint), pouvant
proceder ainsi
lachez
auto-verrouillable
stabilisant ainsiIecircuit de syntonisationetIe
sur la station emettrice
nir un rapport signal/bruit
sion.

3. Selecteur de bande

flexibilite de choix
distorsion

commutateur

Un

installe dans l'etage
une
de reception. Sur la position WIDE (large),
qui possede des caracteristiques elevees de retard de
groupe dans
de phase lineaire
sons pratiquement

NARROW
lineaire seront actives aussi pour supprimer
toutes les interferences du fait de leur haute selectivite.

4. Amplificateur de
utilisant des 3 circuits
On utilise un amplificateur differentiel
sation continuelle de 3 circuits
de filtre ceramique dans l'etage FI, qui possectent d'ex­cellentes caracteristiques de phase, de l'amplificateur

FM, ameliore grandement les caracteristiques de selecti·
viteetde limitation.

5.

Detection quadriphonique
La detection quadriphonique,
cuits
largeetune distorsion faible.

-------------------

adouble porte pour un Tuner

MaS

FET

a double porte montes dans l'etage

et les 5 groupes de condensateurs variables

une sensibilite

obtenu

selectivite

integres, permet d'obtenir une bande passante tres

un accord parfait. C'est justeentouchant

de syntonisation que vous desactivezIecircuit

a nouveauIebouton

a une syntonisation precise. Quand vous

se

FI

(IF BAND) pour une grande

et

un filtre

selecteur de bandeFI(IF

FI

qui

s'adapte a n'importe quelle condition

Ie

domaine des frequenceslongues,etIe

LC

a 4 poles permettent

denues de distorsion. Sur la position

(etroite),

les deux filtres ceramiques de phase

haute

integres

to

is

also a source

is

possible whi!e listeningtoan

the low frequency noise such

as

noise from scratches

de syntonisation,Iecircuit

reenc1enchera

desiree, ce qui

tres eleve et une faible distor-

SAW

FM

pour vous permettre d'avoir

selectivite

et

integresetde 2 elements

a l'aide de

monitor

FM

FM

excellente (1,5

de syntonisation apres

automatiquement

permettra

pour une faible

et

abasse distorsion

2 filtres aceramique

a 6 etages. L'utili-

TAPE-

circuit,

de haute

bloquant

d'obte-

BAND) est

Ie

filtre

d'obtenir

pratiquement

nombreux

on

SAW

filtre

des

cir-

as

Ie

FI

10. Three Speaker Systems Connection
Three speaker systems can be connected
selected with switches.

11. Electronic Protection Circuit
Hitachi's original, highly reliable electronic
circuitisbuilt-in
transistors. When a fault occurs, the circuit
off

and thisisthen

light emitting diode.

12. Adaptor Switch
This function
deck or for a Dolby

6.

Circuit FM!MPX aboucle de blocage de phase equipee

de circuits integres
Un circuit integre PLL, developpe par Hitachi, est utilise
pourIecircuit FM/MPX, permettant ainsi
haut degre de separation et une faible distorsion. On a
egalement une

consideration la temperatureetla duree de service.

7.

Relais alame

Dans la position
lame dans I'etage de sortie
desaccordants.

8. Filtre de bruit
Quelquefois, des parasites de haute frequence vous em­ptkhent
stereophonique. Avec quelques recepteurs,ilvous faut
ecouter ces emissions au mode Mono afin
niveau des parasites. Le mtre de bruit MPX (MPX
NOISE
parasites sans nuire

9.

Commutateur

PATH) avec indicateur pour obtenir une reception
encore meilleure
L'addition des signaux directs et de ceux qui viennent,
refletes par des montagnes ou des batiments par exem­pie, jusqu'a votre appareil produit
l'effet

et augmente
probleme,

trajets multiples

cateur de signaux.

10. Condensateur variable
elevee

Un condensateur variable a 3 groupes est installe, ce qui
permet d'avoir un niveau de sensibilite et de
tres eleve

11. Filtre ceramiqueetcircuits integres dansIetuner

On utilise un nItre ceramique dansIetuner
obtenir une selectivite plus eleveeetdes caracteristiques

AGC. L'utilisation

la

12. Deux indicateurs grands
syntonisation de grande taille

Deux indicateurs grands
pour indiquer les niveaux
Le mecanisme d'accord est
grande taille
noeuvres.

d'obtenir

FILTER)

a trajets multiples. Cet effet diminue la separation

il

en reception

pendant

stabilite de la reception.

to

protect the speakers and power

displayed on the front panel by the

is

very convenient for using a third tape

NR

adaptor.

tres haute fiabilite quand

pour

supprimer les bruits desaccordants

FM

MUTE,ona installe deux relais a

FM

qui suppriment les bruits

MPX

(MPX NOISE FILTER)

une reception

peut

etre utilise pour reduirecegenre

a l'effetFMstereo.

FM

de trajets multiples (FM MULTI-

Ie

niveau de distorsion. Pour supprimer ce

y a

un

circuit de detection de l'effet de

qui

est active en meme temps que l'indi-

FM

a3 groupes pour une selectivite

AM

la reception

tres large de circuits integres ameliore

et

a inertie elevee,cequi facilite les ma-

AM.

et

faciles alire

et

faciles a lire ont ete installes

du

signaletde syntonisation.

eqtiipe

to

the unit and

is

d'obtenir

on

de haute-fidelite

de

ce

qu'on

selectivite

etunbouton

d'un

bouton

protection

switched

un

prend

en

et

reduire

AM

Ie

FM

appelle

AM

pour

de

de

-7-

HITACHI

SR-2004

Section

Audio-----------------

1. Amplificateur audio nouvellement developpe agrande

puissance

et

ahaute efficacite (serie E

...

c1asse

G. ou

Amplificateur Dynaharmonique)

Ce

nouvel amplificateur
dynamique
8

ohms)
ventionnelsdec1asseB.La
relativement
nue
sance

Cet

continuo Avec
amplificateurs
puissance
du

debit

encore plus elevee

sans distorsion

basse des

les

effets

de la chaleur

et

abaisseIepoidsetla tailledel'amplificateur.

amplificateur

cette

de classe G

dynamique

maximum

fournit

comme

amplificateursdec1asse

possede 2

methode,Iefonctionnement

de plus de

de puissance.

une

sortie de puissance

(400

watts

les amplificateurs

consommation

sur

les transistors de puis-

alimentations

peut

permettre

deux

fois la valeur fixee

par canal, sous

de puissance

G dimi-

en

courant

d'obtenir

2. Indicateurs doubles de puissance (Canaux L (gauche)
R (droit))

Pour

voir la puissance en sortie

musique,

elegants.

3.

Commande de tonalite du haut-parleur medium

Cet
man
(TREBLE),
parleur
En
choisir
rez

\Ces

,par

Ivres

4.

t:ommutateurs

on

a installe

amplificateur

des de tonalite

medium

reglant ces trois

Ie,s

caracteristiques de

pour

votre

commandes

c1iquets. Ce systeme

suresetainsi des reglages

est equipe

pour

mais aussi

(MIDRANGE).

commandes,

amplificateuf.

ont

tous

d'une

de renversementetd'amortissement de

deux

les graves (BASS)etles aigus

leurs

permet

tout

indicateurs

non

seulement

commande

vous

frequences

points

d'effectuer

nombreux

en

ecoutant

nouveaux

de com-

pourIehaut·

etes

capable de

que

vous prefe-

de reglage aarrets

des manoeu·

plus facilement.

tonalite

Cet

appareil est equipe de
sement
tiquesdehautesetbasses frequences. De plus,
commutateur

frequence.Setrouvent
d
teristiques
aux
gouts

5.

Attenuateur

Un

points

mande

reglages

desire de sortieenpuissance.

6.

Commutateur

Ce

niveau du son sans

Vous

ment(-20dBet-40
En
du
commutateur
niveau.

7.

Melange micro

Cet
suffitderaccorderunmicrophoneetil
d'effectuer
microphoneetdes sons

8.

Copiage de bande

On
TAPE-l
cuit

un copiage de

radio

permettant

possede

'amortissement

conditions

personnels.

pour

de frequences de

acoustiques de la piece

calibre (commandedevolume)

attenuateur

de
du niveau sonore. Ceci

nombreux

calibre de far;on

contacts

de sourdine audio

commutateur

pouvez choisir entre

outre,onpeut

niveau de sortiesion

appareil est equipe

peut

effectuer

sur

de contr61e de source avec lequelonpeut

FM

ouaun

est tres utile

de niveau avec celui de

des melanges

TAPE-2ouinversement.IIy a aussiuncir·

bande

disque.

deux

de regler

deux

vous

a c1iquets est utilise

et plus faciles

toucheral'attenuateur

dB).

obtenir

d'un

d'autres

des copiage de

toutenecoutantaune

commutateurs

separement

positions

aussi

permettrederegler les carac-

fa<;on

deux

des

combine

circuit de melange micro.

entre

de renversement de

incorporees,

aconvenir

tres

permet

pour

quandonveut abaisser

valeurs d'assourdisse-

n~glages

les manoeuvres du

des sons provenant du

sources de programme.

bande

de renver-

les caracteris·

chaque

des fonctions

Ie

pour

de niveau.

plus varies

proceder a

emission

mieux

la com·

d'ecoute,etavos

precise et a

de proceder a des

obtenirIeniveau

encore

l'attenuateur

vous sera possible

soit a partir de

con·

des

une

et

32

et

de

9.

Filtres

hautetbas

Le filtre bas supprime les parasites de basses frequences
commeIeronflement
Ie

filtre

haut
comme
supprime
pendant

supprime les parasitesdehautes

les

bruits

egalement les parasites de

l'ecoute

provenant

provenant des rayures

d'emissions radio FM.

d'un

tourne-disque, et

frequences

d'un

disque

hautes

frequences

e

et

10. Possibilite de branchement pour trois enceintes
acoustiques

On

peut raccorder 3 enceintes

et

les selectionner a l'aide de

acoustiquesacet

commutateurs.

appareil

11. Circuit de protection electronique

Hitachi
tection
proteger
Quand

la

Ie
diode

12.

Commutateur

Cette
troisieme piatine de
teur

a incorpore dans
electronique

les hauts-parleurs et les

une

fonctionnement

fausse manoeuvreseproduit,Iecircuit arrete

a emission lumineuse situee

originaletde

et

ce fait est alors indique par

d'adaptation

fonction

Dolby

NR.

est tres

commode

magnetophoneoupour

cet

appareil

haute

transistors

surIepanneau

quand

son

circuit de pro-

fiabilite afin de

de puissance.

on

utilise une

un adapta-

la

avant.

e

Ie

11

•

~

•

e

DESCRIPTION OF THE NEW CIRCUIT

1.

SAW filter

FM-IF sectionofthis modelisso
of

the frequency band characteristics(WIDE, NARROW)
can be selected.
Namely, when the IF band switch
SAW

fIlter and 4-pole linear phase filter are usedtosup­press distortion
delay characteristics.
NARROW, 2 ceramic ftlters(MF-201,202) are used in

addition

phase filter
dition, amplification
compensate for losses causedbyinsertionofthe two

ceramic
at NARROW
from a station close by when receiving a long distant
station.
This IF band selection
OC
front endisappliedtothe gatesofFET Q201 and 202
as
Assuming
voltage
meansofSS03, and
to
and
NARROWiscut
On the contrary, when SS03
voltage
0201,
of
is
this electronic switch, are IS2076 having a small junction
capacitance. Separation adjustment also changes over
simultaneously with IF band SS03 switching,
the best stereo separation in both

Dynaharmony

2.
The levelofthe music source changes momentarily, the

percentage
small, it
Large
to
in this case, high voltage
sistor,
Studies have been made, how to obtain high
powers without the increaseofthe output transistors'
consumption in order
the new dynaharmony output circuit (Class G Amplifier)
was developed.
The principle circuit
drivers at the
normal small input signals. When the input signal
QS
signal at normal level
and current flows from the
input signal level increases and reaches more than

to

fIlters (MF-201, 202). Accordingly, positioning

power supply using SS03; and the

shown in Fig.

is

the next stage(lC202) through the pathofWIDE,

0201

is

and the

WIDE

becomes reverse biased and the pathofWIDE

cut off. The diodes(0201,202), which are used for

is

output

playback at high levels without distortion; however,

so

the power consumptionislarge.

and Q8 operate in addition.

to

a minimum to improve the group

When

the above

to

improve selectivity characteristics. In ad-

is

that

IF band switchissettoWIDE, a +ISV

appliedtothe anodesofQ201 and 202,

becomes reverse biased and the

applied

pathofNARROWisconnected. The

(Class

of

high level (over 1/2ofpeak value)isvery

only less than2%of

amplifiers have been used conventionally

output

SAW

is

performed by IF Amp (lC201)

convenient when thereisinterference

is

handled by switching the +ISV

1.

0201

off.

to

Q202, IC201 and the anode

G Amplifier) output circuit

is

impressed to the

to

improve the efficiency. Thus,

is

shown in

stage, andQ6and Q7 operate with

is

impressed, Q2 and Q6 turn

+B1

designed that 2 types

is

settoWIOE, the

the IF band switchisset

filter and the 4-pole linear

to

output

turns ON. IF signalisinput

is

settoNARROW, the

WIDE

the total music signals.

Fig.

2.

When

the positive input

power source. When the

at the

FM

by

path

path

to

obtain

and NARROW.

output

QI - Q4 are

tran-

output

is

large,

ON

+B1,

of

of

to

HITACHI

QI andQSalso turn on. At this time, since the emitter
potential
from
level decreases,
not flow from
again.
When
and
signalisnegative,isthe sameasthatofpositive.

3. Current mirror circuit

This set contains a current mirror circuit which drives
the output stage in push-pull operation
tortion low.
The current mirror circuit
705 and
When
gative signal
Q70S become

The characteristics
E

are equal,
(le704)
(This

That

and the
(Ie703 -Ie705).

On

Q704 and a positive signaltoQ70S, the description

the reverseofthe above and the PNP driver transistor

driven by the currentof261.

As

out the push-pull operation and can drive the

stage with low distortion.

4. Constant current circuit

This constant current circuit stabilizes the biasofthe

main amplifier circuit. In Fig.

make the sum

constant and Q701 and Q702 operate

ferential amplifier.

Assuming

to

divided in two by Q701 and Q702, and the voltage drop

increases in R708 and R709. Next, the base potential

voltages

emitter current

voltage drop

voltage drop

the collector current

lector current

R706 through R707. Also, when the current flowing

R706 decreases, the base potentialsofQ704 and Q70S

ofQSexceeds

+B1

but

only from +B2. When the input signal

Ql

+B2

the input signalisnegative,

Q3

and

Q7

0703asshown in Fig.

a positive signalisimpressedtoQ704 and a ne-

to

Q70S, the collector currentofQ704 and

as

follows:
le704
Ie

705 =

(10:

OC

of

Q703 are equal and, in addition, R711 and R712

so

the current flowing to

is

equal

is

the originofthe name "current mirror circuit").

is

to say, the collector currentofQ703 is:

le703

NPN

driver transistorisdriven by currentof261

the contrary, when a negative signalissupplied

mentioned above, the current mirror circuit carries

of

that

the current flowing to R706 increases due

fluctuationofthe power voltage, etc., this current

of

Q704 and Q70S increase, the sumofthe

of

of

of

R716isfed backtothe baseofQ706,

of

+B1

, the current does

and

QS

are turned off, current does

and currentissupplied from

Q2

and Q6 turn

turn on. The operation, when

is

composedofQ703, 704,

3.

=

10

+61

10

- 61 (2)

bias currentofQ704, Q70S)

of

the diodes between

to

the collector current

=

10

+61

the emitter currentofQ701 and Q702

Q704 and Q70S increases and the

R716 increases. The increaseofthe

of

Q706 increases, and the col-

Q706 absorbs the surplus current from

(1)

0703

(3)

3,

Q706 functions to

as

SR-2004

not

to

keep

0703

and R714

of

a complete dif-

flow

+B1

off

input

dis-

and B -

Q703.

to

is
is

output

is

to

-9-

HITACHI

SR-2004

decrease, whereby the collector currentofQ704
creases and the current flowing through R707 decreases.

The sum
kept constant in this way. In addition,VA701
VA702 are the diodes used for temperature compen-

sation

transistors to

idle current.

5. Idle current compensation circuit against power supply
voltage fluctuations

The circuit shown in Fig. 3 compensates the idle

current by feeding the power supply voltage through

R7,17
Q704 and Q705, negatively.
Assuming that the power voltage begins to rise, the
current which flows to R716 through R717 increases
and the voltage drop in R716 increases.
This increase
the emitter current
the base potential
collector current
Vidle
creases, the heat generation
element increases because
sumption, and then the voltage between base and
emitter lowers

Vidleisconstant.
This circuit, however, lowers the
as
When
ates in the reverse
constant.

6.

Protection circuits

(1)

of

the emitter currentofQ701

of

the idle current; thisisattached to the output

sense

the temperature and compensate the

back to R716, the common emitter resistor

is

fed

back to the baseofQ706, decreases

of

Q701 and Q702, and decreases

of

Q704 and Q705. Accordingly, the

of

Q704 and Q705 decreases, and then

decreases.

described above,sothe idle currentiskept constant.

the power supply voltage drops, the circuit oper-

Muting circuit

This set contains the muting circuit which cuts off

the relay approx. 3 - 6 seconds after the power

switch

generated by power switch operation.

In Fig.
is
As

is

charged slowly through R554 and R558.

a result, the voltageisgenerated between B - E

When

the power supply voltage

of

each semiconductor

of

increasing power con-

and

the idling current increases even

Vidleaswellasthe

of

the above to keep the idle current

turned on to eliminate the click sound

4,

when the power switchisturned on, C552

and

de-

Q702

and

in-

VeE

is

of

of

Q555 to turn on Q555, and Q553isturned off.

When

C552ischarged up completely, Q553 turns off
and then Q553 turns on and the speaker circuit
connected through the relay.

(2) ASO (AreaofSafety Operation) detection circuit

(output transistor protection)

This circuit functions to protect the transistors Q714

-Q717 from damage.
CE)

Especially when the voltage (V

the output transistorsistoo high, the transistors are

be

likely to
(Ie) flows. In this set, the protection circuit

ed

to operate whenIeand VCEexceeds a certain
value.
For protection

R729 and
both

When

and the thyrister SCR551 becomes conductive. This
operation turns
fier circuit does not operate. For protection
and Q717,
by R719 and R720;
of

Q708.

if

turns on, and the current flowing
is

limited. (Fig. 4)

(3)

DC

voltage detection circuit (speaker protection)

When the
terminals during a malfunction,
in trouble. To prevent this, the
the output terminals are detected by the filter circuit
of

R561 and C551; when itis(+) voltage, Q551

turned on, Q553isturned off, and the speaker circuit
is

cut off by the relay; when itis(-)

turns

also operated. Incidentally, this protection circuit

reset automatically when the

When the input terminals are touched by something

or when some ultra low-frequency noise enters,

speaker inputs

automatically. (Fig. 4)

damaged when excessive collector current

of

Q714 and Q715,Ieis

VCEisdevided by R721 and R722; and

are

impressed between B - EofQ709.

this voltage exceeds 0.6V, Q709isturned on

Q701

and Q702 off and main ampli-

Ieisdetected by R730, and VCEis

both

are impressed between B - E

When

this voltage exceeds 0.6V, Q708

DC

voltage may appear at the speaker

off

by turning Q552, Q555 on and the relay

are

cut off temporarily but they reset

between C - E

detected by

to

Q716 and Q717

it

may make speaker

DC

components in

voltage, Q553

DC

voltage disappears.

is

design-

of

Q716

divided

is

e

of

•

is

is
is

Phenomena and remedy when the protection circuit operates

of

Type

1 Muting circuit 3 - 6 sec. after the power Normal

Protection circuit

of

2 (ASO protection circuit) SCR551

Speaker protection

circuit

3

protection circuit

the power transistor

Phenomenon when the

protection circuit operates

No sound comes out about

switch

is

turned on.

1.

No sound comes out. Short circuit

2. Anode voltage
(+20V in normal

conditions.) after approximately

1.

Sound does not come Troubleinthe Repair the fault.

out.

2. Neutral point voltage
is

more than

of

is

OV.

±lV.

Cause

of
speaker output check whether the speaker
terminal terminalisshort circuited

main amplifier,
etc. neutral point voltage

Cut the power switch,

or not, and turn on again

(Be

sure to check that

is

within ±150mV.)

-10-

Remedy

30

sec.

•

HITACHI

SR-2004

.~

•

I

~

."

I.

'i

CP301

I 0 L

MF203

IF

BAND

S503

Sw.

,1

+15V

R

Fig. 1

I •

t· -:.. J

+~

:"'01

• I

••

1"

I

Vldle

I.

+82

NPN

To

the

NPN

Au

transistor de

puissance NPN

PNP

To

the

PNP

Au

transistor

puissance PNP

driver

driver

de

Sep.

IC202

adJ.

~

MF201

IC201

supply

tension

supply

'tension

*

NARROW

..L~

'=F

IC30\

Q202

1-E!i-{>-MF202

T

lC204

14

•

1M'"

"'201

Hioh voltage

..

Alimentation
+B2C98.8V)

Low

voltaoe power

• Alimentation basse tension

+BI(40.2V)

Low

voltaoe power supply

Allmentat

-BIC-40.2V)

Ion

le203

power

haute

basse

•

High

volt*

"

R703

It)

II')

C

N

IN

• Alimentation haute tension

-82{-98.8V)

power

supply

Fig. 2

I'

T

\~

For

temperature compensation

Pour compensation

00'4

de

of

temperoture

ot

de

• I

the Idle currentotoutput

de

Ie

Ie

..

82

courant dewatte

deI''tagedesortie.

eontlnu

.tage

Fig. 3

•

I It It I ,

-11-

•

...-82

Fig. 4

HITACHI

SR-2004

REISEIGNEMENTS CONCERNANT

1. Filtre

2. Circuitdesortie dynaharmonique (Amplificateur classe

SAW

L'tHage
types de caracteristiques de bande
ETROITE) puisse
C'est
regle sur la position "WIDE",IefIltre

aphase lineaire a4 poles servent asupprimer

sions et les ramener
d'ameliorer les caracteristiques
Quand l'interrupteur
"NARROW", 2
mis,en service en

a phase lineaire a 4 poles

caracteristiquesdeselectivite.Enoutre, l'amplification
est
pertes provoquees par l'insertion des deux fIltres cerami­ques (MF 201, 202). Par consequent,
la position "NARROW"
quand les interferences d'une station voisine

festent quand
ment
Cette selectiondebande IF est realisee par la commuta­tion de l'alimentation C.C.

de l'etage d'attaque

Q20l
En supposant que l'interrupteur de bande IF soit
sur la position "WIDE", une tension de +
quee aux anodesdeQ201 et Q202 par l'intermediaire

de S503 ce qui permetdemettre D201 sous tension.

signal IF est entre al'etage suivant (IC202) par l'inter-

mediaire du

polarisation inversee etIepassage de "NARROW" est

coupe.
Par ailleurs et dans un processus inverse, quand S503 est

regIe sur la position "NARROW", la tension est appli-

quee aQ202, IC201 et al'anode

Ie

porte une polarisation inversee et

est alors coupe.

la commutation electronique, sont IS2076 et portent

une faible capacite

change egalement et simultanement avec

tion de S503

superieure puisse etre obtenue pour les deux positions

"WIDE"

FMIFdecemodele est con9u pour que deux

de

fnlquence (LARGE,

etre choisis.

adire que lorsque l'interrupteur de bande IF est

SAWetIe

les

fIltre

distor-

aune valeur minimale et permettent

de

retard

de

groupe.

de

bande IF est regle sur la position

fIltres ceramiques (MF 201, 202) sont

complementaufIltre

de

maniere a ameliorer

realisee par l'ampli IF (IC201) pour compenser

repnlsente un grand avantage

il

s'agitderecevoir une station particuliere-

eliognee.

+

l5V

FM

est appliquee aux portesdeFET

et 202 comme indique sur la Fig.

passage

raccordementde"NARROW". Le passagede"WIDE"

de

et

"NARROW".

de

"WIDE"etD201 porte

Les

diodes (D201, 202), qui servent a

de

jonction.Lereglagedeseparation

bande IF pour qu'une separation stereo

SAWetau

Ie

faitderegler sur

se

mani-

avec S503. La sortie

1.

l5V

est appli-

de

D201cequi

Ie

passagede"WIDE"

la

commuta-

assure

fIltre

les

les

regle

Le

une

G)

Le

niveau du
pourcentagedesignauxithaut niveau (plusde1/2
valeur de crete) est tres faible,ilest seulement inferieur
de

2%
plificateursitgrande puissance. ont toujours ete employe
pour reproduire des messages
torsion; cependant et danscecas, une haute tension est
appliquee au transistor

message

du total des signaux du message musical. Les

sonore change momentanement,

it

haut niveau

de

sortie pour que l'alimentation

sans

de

am-

dis-

LE

NOUVEAU CIRCUIT

Des

soit plus large.

on

comment
elevees sans augmenterlaconsommation des transistors
de

sortie pour assurer une plus grande efficacite. C'est
raison pour laquelleIecircuit de sortie dynaharmonique
(amplificateur
Le

circuit principal est illustre par la Fig.

sont alimentesauniveaudel'etagedesortiedeQ6etQ7
fonctionnent pour des signaux d'entreeitniveau normal.
Quand
nent en complement. Quand un signal d'entree positif
niveau normal est appliqueitl'appareil,Q2etQ6sont

commandes et

tation +B1. Quand
menteetatteint un niveau tel qu'il depasse +B1,Qlet

Q5

sont egalement commandes. Des lors, etant donne

que

Ie
courantneprovient plusde+B1
Quand
sont mis hors fonction,Iecourant ne circule plusde+B2

tandis qu'il provient maintenant de +B1. QuandIesignal
d'entree est negatif,

Q3etQ7

negatif,
pour' un signal positif.

3. Circuit acourant reflecteur

Cet appareil est equipe d'un circuit acourant retlecteur

qui permet d'alimenter l'etage
push-pull pour maintenir un faible taux
Le

circuit acourant reflecteur

et

705
Quand un
signal negatif l'est
Q704etQ705 sont comme suit:

Les caracteristiques des diodes entre D703 et B - E
Q703 sont identiques, en outre, R711 et
identiques
et

R714 (Ie704) est identique au courant collecteur
Q703. (C'est ici l'origine du nom donne
"circuit
ant collecteur

et que

Ie

(Ie703 - le705).
Au

contraire, quand
Q704 et qu'un signal positif l'estitQ705, la description
precedente est inverse etIetransistordepuissance
est alimente parIecourant 2.!lI. Comme decrit prece­demment,Iecircuititcourant reflecteur assure un fonc­tionnement push-pull
avec une distorsion reduite.

peut parveniritdes puissancesdesortie

c1asseG)a ete

Ie

signal d'entree est puissant,Q5etQ8fonction-

Ie

potentiel d'emetteur

Ie

niveau du signal d'entree diminue,

sont en fonction. QuandIesignal d'entree est

Ie

fonctionnement est identiqueitcelui obtenu

CR703 commeIemontre la Fig.

signal

Ie

704

Ie

705

(10:

de

telle sorte queIecourant circuledeD703

it

courant reflecteur"). C'estitdire queIecour-

de

Ie

703

Ie

transistor est alimente parIecourantde2.!l1

etudes ont ete faite pour savoir

mis

au point.

2.

QlaQ4

courar.t parvient de la source d'alimen-

Ie

niveau du signal d'entree

de

Q5

depasse +B1,

mais seulementde+B2.

QletQ5

Q2etQ6

positif est appliqueeitQ704 et qu'un

it

Q705, les courants collecteurs

:;:10+.!ll (1)
:;:10-.!ll

courant continudepolarisation

Q704 et Q705)

Q703 est comme suit:

:;:10+.!ll (3)

un

et

sont mis hors fonction et

de

sortie en fonction

de

distorsion.

se

composedeQ703, 704,

3.

(2)

de

R7l2

au

circuit

signal negatif est applique

peut alimenter l'etagedesortie

aug-

sont

de

PNP

e

la

a

Ie

•

de

de

it

e)

HITACHI

SR-2004

e

•

•

I)

4. CircuitIIcourant constant

Ce

circuit acourant constant stabilise

circuit d'amplificateur principal. Sur
fonctionne pour faire que
de

Q701 et Q702 soit constante et que Q701 et Q702
fonctionnent essentiellement comme amplificateur dif­ferentiel integral.
En supposant que

mente a la suite de variations

tation, etc,
la

chute de tension augmente dans R708etR709.
Ensuite, les tensions
tent, la somme du courant emetteur

augmentent tandis que la chute
augmente. L'augmentation
est

coupIee reactivement ala

collecteur
de

Q706 augmenteetIe

absorbe l'excedant
par R707. Par ailleurs, quand

R706 diminue, les tensions
diminuent
Ie

courant qui passe par R707 diminue. La somme du
courant emetteur
l'etat constant parceprocede.
VA

702 est une diode employee pour compenser la
temperature du courant
sistors

pensent

5. Circuit de compensation de courant dewatte par rapport
aux fluctuations de tension

Le

circuit illustre parlaFig. 3 compenseIecourant

dewatte fournissantlatension d'alimentation par R717

et R716

de

R704 et R705 par mode negatif.
En supposant que la tension d'alimentation commence
augmenter,Iecourant qui

mediaire

produit dans R716.

Cette augmentation est

de

Q706, diminueIecourant emetteurdeQ701etQ702

et diminue la tension

sequent,Iecourant collecteurdeQ704etQ705 diminue
tandis que la tension

Par ailleurs, quand la tension d'alimentation augmente,
la production

lieu

electrique, la tension entre la
etIecourant dewatte augmente

dewattee est constante.

Cependant,

VBE

que
la

tension dewattee puisse
tension d'alimentation chute,
tion dans

dewatte al'etat constant.

ce

courant est

de

Q706 augmente etIecourant collecteur

oilIecourant collecteurdeQ704 diminue

de

sortie qui analysent la temperatureetcom-

Ie

courant dewatte.

et

ramenee ala resistance d'emetteur commun

de

R717 augmente et une chute de tension

de

ala suite de l'augmentation

ce

circuit diminue la tension dewattee ainsi

camme decrit precedemmentdetelle sorte que

Ie

sens inverse pour maintenirIecourant

la

sommeducourant emetteur

Ie

courant qui parvient aR706

divise

de

basedeQ704etQ705 augmen-

de

chutedetensiondeR716
basedeQ716,Iecourant

courant collecteur

de

courant qui provient

Ie

de

de

Q701

et Q702 est maintenue a

dewatte, elle est fixee aux tran-

secteur

passe

couplee retroactivement ala

de

basedeQ704 et Q705. Par con-

dewattee diminue.

chaleurdechaque semi·conducteur a

base

~tre

Ie

la

polarisation du

la

Fig.

3,

Q706

aug-

de

la tension d'alimen-

par Q701etQ702

de

Q704etQ705

de

tension

courant qui circule par

basedeQ704etQ705

En

outre, VA701

par R716 par l'inter-

delaconsommation

et l'emetteur diminue

m~me

constante. Quand la

circuitsemet en fonc-

de

de
de

si

la tension

R716

Q706
R706

base

et

et

et

6. Circuitsdeprotection
(1) Circuit de

Cet appareil contient un circuitdereglage silencieux
qui permet
environ 3 - 6 secondes

l'interrupteur general de maniere asupprimer

de
rupteur
SurlaFig. 4, C552 est lentement chargee par R554

et R558 quand la tension est appliquee

Ceci
de
mis
chargee, Q555 est mis
tion dans

(2) Circuit de detection

tionnement

Ce

Q714
Notamment quand la tension
transistors
risquent d'etre endommages quand un courant col­lecteur excessif (Ie) y passe. Dans cet appareil,

circuit

fonction quand les tensions

certaine valeur.

Pour la protection

par R729 et

deux tensions sont appliquees entre

Quand la tension depasse 0,6V, Q709 est mis hors

fonction

Cette operation permet

fonction tandis que

cipal n'est pas mis en fonction. Pour la protection

Q716 et Q717,Ieest detectee par R730etVCEest

a

se

divisee

appliquees entre

excede 0,6V, Q708 est mis en fonction etIecourant

qui passe par Q716

(Fig. 4)

(3) Circuit

(protection de haut-parleur)

Quand une tension acourant continu apparait aux

bornes

anormal, les haut-parleurs risquent

mages. Pour eviter que cela

posants

detectes parIecircuitdemtragedeR561 etC551;
quand la tension est positive, Q551 est
tion, Q553 est mis hors fonction
parleur est mis hors fonction par l'intermediaire du

relais. Quand la tension est negative, Q553 est mis
hors fonction en mettant Q552 et Q555 en fonction
tandis que
circuit

clenche quand la tension acourant continu disparait.

reglage

commutation generes par la commandedel'inter-

general.

silencieux

de

mettreIerelais hors fonction pendant

apres la mise en fonction

Ie

de

bruits

al'appareil.

a pour effetdeproduire une tension entre B - E

Q555etmettre Q555 en fonction quand Q553 est

hors fonction. Quand C552 est entierement

a

l'arr~t

et Q553 mis en fonc-

Ie

circuit de haut-parleur parIerelais.

de

type ASO (Zonedefonc-

sur)

(protectiondetransistordesortie)

circuit fonctionne pour proteger les transistors

a717.

(VCE)

entre C - E des

de

sortie est trop forte, les transistors

de

protection est

de

VCE

est divisee par R721 et R722etles

etIethyristor SCR551 devient conducteur.

par R719 et R720:

B - E

et

de

detection de tensionIicourant continu

de

haut-parleur quandIefonctionnement est

acourant continu des bornes

Ie

relais est commande. Par consequent,

de

protection est automatiquement reen-

coneru

poursemettre en

Ie

et VCEexcedent une

Q714 et Q715,Ieest detectee

B - E

de

Q709.

de

mettre Q701etQ702 hors

Ie

circuit d'amplificateur prin-

les

deux tensions sont

de

Q708. Quand la tension

Q717 est limite.

d'~tre

endom-

se

produise, les com-

de

sortie sont

mis

en fonc-

etIecircuitdehaut-

de

Ie

ce

-13-

HITACHI

SR-2004

Quand des bomes d'entree sont touchees par un objet
ou que des bruits

de

circuit

de

de

de

Ies

rtlgiage

protection

protection

presentent,

Type
protection

Circuit

1

silencieux 3 - 6 secondes

Circuit
transistor d'alimentation 2. Tension anodique

2

{Circuitdeprotection SCR551deOV

ASO)

Circuit

3

d'enceinte

a tres basses frequences y sont

entrees du haut-parleur sont provi-

Phenomene et remMe aapporter quand

de

Phenomene produit quand

circuitdeprotection est
en fonction

Aucun son n'est obtenu pendant

de

l'interrupteur d'ali-

a

de

fonction
mentation.

1.

Aucun son n'est obtenu.

en conditiones normales)

1.

Aucun son n'est obtenu. Panne dans l'ampli-

2.

La tensiondemasse est ficateur principal ou

superieure

Ie

circuitdeprotection est

Ie

mis

apresIamis

(+20V d'enceinte

±1

V.

de

en

Court-circuit des Mettre l'interrupteur d'alimenta­bomes

autre.

soirement coupees mais sont automatiquement
blies. (Fig. 4)

misenfonction

Cause RemMe

Condition normale

---

de

sortie tion aI'arret, s'assurer que

d'

bomes
courtcircuitees et remettre sous
tension

matif

Reparer (Ne pas oublier
verifier que

masse

enceinte en sont pas

apres un delai approxi-

de

30 secondes.

de

Ia

est ±150mV).

tension de

nHa-

e

Ies

DIAL CORD

SETTING·

DieI

pointer

EQUIPEMENT

Spring

DE

CADRAN

Set

to

between ® and @

Tuning

Shaft~~~

•

-14

.)

3

turns

-

around

HITACHI

SR-2004

e

DISASSEMBLY AND

• Removing the upper cover,

• Deposer

\

Ie

couvercle superieur,Iepanneau

Upper cover

Couvercle

REPLACEMENT·

front

panel &

(CabinetaVentilator)

superieur

---------

bottom

plate

frontaletla

DEMONTAGE ET REMONTAGE

plaque inferieure

4~

x8 C T screw

(X

6)

3~x6

(X

4~

CT

screw

2)

x 16CTscrew

ex

4)

e

Front

(Escutcheon)

Panneau

• Removing

• Retirer

les

panel

avant

the

meters

compteurs

Hexagonal
Cleatete

•

...

~

I

wrench

six pans

...

3~

x 6CTscrew

(X

4)

...

~~J~j~i~7,;:-~~~

.,.,__

~~

--:%'

...

~~

~~

LED

- d

I~

0

nlscente

0

••

""-"'''''

~~

~~

_~~

til

P.W.B.

I

e

electrolumj;;

P.W.B.

....

_

--~:.t~J~~~~

-~

---,,/---

"'"-

-~-:C$$;~:~~~

...

~c:;-

3$x6CT

(x

3)

I

--/

8//

--~~:~;-~

~

I!!

...

.--

~4;;:J;~:~~

screw

~

~

-

B

oltom

Plaque

plolo

inferieure

~~

Fig. 5

-

-15

Lamp
Lampe P.W.B.

-

P.W.B.

Fig. 6

HITACHI

SR-2004

• Removing the printed wiring boards and

• Deposer des plaquettes a circuit imprime

341x6CTscrew

(X2)

Relay P.W.B.

Relats P.W.B.

9.

nut

output

transistors

et

transistors de puissance

Switch

Commutateur

/~

\

P.W.B.

P.

W.B.

MAl

N

P.W.B.

Ampliflcateur

principal

P.W.B.

3.x6CTscrew

(X2)

--

3,

x6 CT

3.x6CT

CX6)

DIN

P.W.B.

(X2)

screw

screw

I

DC

supply

/o'alimentation

P.W.B.

C.C.

P.W.B.

3.x6CT

CX4)

AC

GA.

screw

P.W.B.

P.W.B.

3.x20

(X

screw

e)

e

Fig. 7

/

Tone
Pretona

Il:)

P.W.B.

liteP.W.

e)

B.

Il:)

-16

-

Fig. 8

PRINTED WIRING

AC

printed

wiring board

BOARD·

PLAN

DE

BASE

Main

printed

wiring

board

The terminal No. shows
wiring board. This number matches
the

circuit diagram.

the

stamp

on

the

the

printed

number in

HITACHI

Le

N°

de borne correspond a I'indication de

plaquette acircuit imprime. Ce numero correspond

au numero du

schemademontage.

51l-2004

la

e

e

-

.'

I

~

I>

6)

Caution:

• In

order

relay

(RY901)

legs a bit

• Pay

Attention:

•

• Faire

Plier
Pinces

attention

thermal fuse

I)Becareful since the enclosed section may crack if the

force
bending the lead wire

2) Carry ou t soldering while radiating
of

radio pliers as showninthe figure below.

Pour

conserver la distance entre les pieds du relais (RY

901),dela

couper
les soudures de relais.

thermique

2)

IA

legerement les

attention

1)

Toutes
pour
pliquee
de

jonction
Effectuer
paire de pinces
ci-dessous.

radio~

(8)

to

keep the distance between the legsofthe

on theACPW.B.

(1.5

mm) after replacing and soldering

to the following when replacing the

(F903).

is

appliedtothe baseofthe main body when

plaquette acircuit imprime C.A.

est

remplace

les precautions necessaires doivent etre prises

ne pas briser la section closesiune force est ap-

au

chassis de la partie principale quand

du fusible thermique

la soudure en

~Section

~

(9

and

the

chassis, cut the

of

the thermal fuse.

heat

pieds(l,smm)apres

aux points suivants

(F903).

emettant

rarlio comme indique sur l'illustration

Enclosed

section

close

avoir remplace

quandIefusible

est

tordu.

la chaleur avec une

the

relay.

using a pair

etIechassis,

Ie

fi1

-t

o
o

--J

E

r

o

--J

(}l

r

-i

r~(])

"

CD

I I

-i

::,..I

r

®

o

.~.

ZD705L

....

:S~~~

4>

. ,__.....

~

1!

• .1 •

~LQ]

.-J'"

C712L .

• .

'.

D71~I-~LE

!;j

r

r

~

~

•

~~

~B~E

i

""'"

---1.1-

-i

"

r

@I

o

'>

RlO6l..

~~I::..

. ,

b

+~i

Ra

'.

R739L R717L

, '

R748L

0710L 07051-

C710L

.....

• 0703L

..

RaQ701~

~

....

_ R107L

~E:~

~

••

o <;705L

~

•

",

B~E

~.~

B~E

.

20702L

.

...

~

~'h

..

1 I

'R7~L

R'725L

\HI,

R720L

000

C7191-

- +

..,...

0:

.

R72.6L

.---=----w;,...

9~E

,070BL

I

'~.

Z0704L

~L

R735..1-

0712L

VA702L

~

•

I

:s

~.

r

C713L

......

•

C735L.

4.

•

E:'~.B

Q702L

.......

R7(BL

~

C~7L

...

...

07061- 'R714L

~.

0704L

B~E

VA70IL

'~'::

~

•

Q7111-

B~E

~

R7iJ'IL

~

.

;><

i

DC

PWB

..,

....

o

r

TO

..,

....

o

N

,..

;.:-

o

R713l..

~

07'OpL

B~E

..

'''~L.

R740L .

----vvv----

R724L

~

..

~

0710L

9~E

R722L

R721L

•

o

,,-

0705L'"

..

..

•.

[QJ

0.'

.

C720L

.......

0702L

.

~

~~e

07'09L

-'

•.

.~

C7I<11-

.-t

.•

R711L.

_.

R712L.

- •

.

6

o

()

;u

.

~

o

.,.,'

. R7',3R

~,

._,,-

.

C711A

........

""1

o

o

()

:1)

~

•

o

L7'OIR

~

,,:i

;j

"

:e

R732L

o

~

TO

0716L,0717L

TO

D103R

.

..:

I.··~

07051',

.R.i.

,0702R

I~

•

a

.

-..ho

AE.

,..~~

Q709R R722R

, .

..

o

TODCSUPPLY
DC

SUPPLY

CIRCIT

,..

~

-

R714R,

...

...

o'iXl3R

Q.7,IOR

'Q7Q4R

8-¥-E

--..

R127.

R

~~~

R~.

87'21R

-~

, ,

Q

o

CIRCUIT

--'

00

TO

,-

..

.

,~

~.-

.,

-,

,

__

~

~

.;;)

Crt3R

~-U

0716R,0717R

"

C710R

--1

...

Q7O!)R

."

R735R 10;'

R~R

.'

."

....

o

.~

..

~

Q708R

....

,R719R.

.E~8~

..

€'I'I.2R

....

070eR

I~c,

C721R

........

b7~~

.

..

Q713R

B~£'

~

R72,sR '

~.

...

,

,.~

R720R.

r I I .

~

.

_,

(j)~'"

-i

'll

~

@ ",1

o

~

-t

o
o

--J

~

::0

o

--J

(}l

::0

-i

,;1

i

<D

-i

..

~

;0

If)

Plier

P

inoes

radio

-17-

The circuit symbol
Le

symboledecircuit ( ) signifie qu'il s'agit

delapage19pour

(..-

) means a fuse resistor. When replacing it with new

effectuer son remplacement.

d'une

resistance afusible. Consulter

one,

refertothe CAUTIONonpage

les

instructions

"ATTENTION"

19.

HITACHI

Tuner

SR-2004

circuit

diagram

HA

1211

HA

1137

I F

Amp.

FM

75

COAXIAL

INPUT

AM

IFRONT

FEOOlc247P(CH)~

END

'"~

I'I')..L.

·

AM5

AM6

L3

AM7

IC

201,202,204

IC

203

Q

201

Q

202

D 201,202

203,204

D

HAI211
HAII37

35K45
2SK55@
152692@
152076

O'3$K""",,,

Q

" I

~

~

lh

11.

!:!?

0

i

Q2

3SK590r3SK45

19ft;~

/

/ /

/

/ /

/ I

/ /

"/

R213330

03

3SK

590r3SK39

. I

IF

GND

152687
02BZ3.9

+8

11.2

o.o22(yZ)

47K

(0)

552

IN

C23

;;:;: RIB

C22

8P±0.5P(RH)~tFC

en

III

+

W

l.L

--r--.lJ

, ! =

'229

I

, •

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CAUTION

1.

Since simple adjustmentofMF201 components has been performed before shipment, IF adjustmentisnot required.
When

replacing the MF201, however,

2.Asthe resultofthe adjustment step 6, the best pointofadjustment from step 5 willbeshifted a bit. Repeat the adjust­ment

of

step 5 and 6 until the deterioration becomes minimum and the pointeroftuning meterisin its center.

3. After setting IF
put

wave

Set IF

BAND SELECTOR

wave

formofR ch becomes min. Optimize R322 and R323sothat the leak levelofthe L ch signalisequal to that

the R ch signal.

ATTENTION

1.

Etant qu'un reglage simplifie des composants de MF201 a ete fait avant l'envoi de l'appareil, un reglagedeIF n'est pas
indispensable. Cependant, quand MF201 doit
de

MF203.

2.

A la suite du reglage decrite en 6,ismeilleur reglage decrit en 5 sera legerement decaIe. Renouveler les reglages 5 et 6

jusqu'aceque les deteriorations soient minimumetque l'aiguilledel'indicateur d'accord soit en position centrale.

3.

Apres avoir
pilote, ajuster R322 pour que la forme d'onde
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niveaudecrete du signaldecanal gauche L soit egal a celui du canal droit R.

BAND SELECTOR sw. to

formofR ch becomes min.

sw.

regIeIeselecteurdebandeIFsur la position "WIDE"etavoir regleIesignal du canal gauche

selecteurdebande IF sur la position "NARROW" et reglerIesignalducanal gauche

useanMF201 with the same color markingasthatofthe MF203.

WIDE

and making the signalofL ch and Pilot, adjust R322sothat the out-

to NARROW and making the signalofL ch and Pilot, adjust R323sothat the

etre remplace, utiliser un MF201 comportant lameme

de

sortie du canal droit R soit minimale.

de

sortie du canal droit R soit minimale. Rendre R322 et R323 optimum pour que

couleur que celle

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SR-2004

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In itemI,set the capacitanceofthe variable capacitor to minimum and

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marker
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level
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2.

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of

the sweep generator and adjust MF251 againsothat the topofthe

form A (indicated in Fig. 12) will be flat and wide.

that the

ALIGNMENT·

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output

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ATTENTION

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2. En effectuant

SR-2004

DansIepoint
bleu de MF251
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augmenter

de

la forme d'onde A (illustree par la Fig. 12) soit plateetlarge.

1, regler la capacitance du condensateur variable sur la position minimumetajuster les noyaux rouge et

pour

que la forme d'onde soit identique acelie indiquee sur l'illustration (Fig. 11). Etant donne que

455kHz,i1peut

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SR-2004

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VOLUME Minimum

Item Measuring instrument Point to be measured Adjust

Idle current

Conditions pour les essais

FUNCTION Libre

VOLUME Minimal

Designation Appaeildemesure

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aD.C.

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18

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Fig. 18

-

27-

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HITACHI

SR-2004

METER ADJUSTMENT

• Meter sensitivity adjustment a

1. Set the volume control to

2.

Set the power switch to ON. (FUNCTION switch:

3. Connect the

4. Connect the

5. Adjust the
out

speaker connections.

OSC

output to the AUX input. (Frequency: 1 kHz)

AC

voltmeter to the speaker terminals.

OSC

output level and volume controlsothat the

(00)

position..

AUX)

output

voltage at the speaker terminalsis28.3V

rms

with-

Item

Meter adjustment

REGRAGE

• Reglage de sensibilite de compteur

1.

RegIer la commandedevolume sur la position

2. RegIer l'interrupteur general sur la position de marche "ON"

3. Raccorder la sortie

4. Brancher un voltmetre C.A. aux bornes

5. Ajuster
soit

Courant dewatte

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de

28,3V efficaces sans que les haut-parleurs ne soient branches.

Designation

DE

niveaudesortie

Measuring instrument

Oscillator
AC

voltmeter

COMPTEUR

(00).

OSC

al'entree AUX (frequence: 1 kHz).

de

haut-parleurs.

OSC

et la commandedevolume pour que la tensiondesortie aux bornes de haut-parleurs

Appaeildemesure

Voltmetre acourant alternatif

METER
ADJUSTMENT

METER

R584L,R

SENSITIVITY

Adjust Deviation

lOOW

(Ie

selecteur de fonction sur AUX).

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R584L,R

ADJUSTING

Course

VOLUME

of

de

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R584L

R584R

sw.

Caution:

Don't touch the wiring terminalsonthe lamp

of

viation

Don't touch the diodes (D712L, R) and the radiation fins
the terminals for adjustment.

Attention:

Ne
du compteur.
Ne
moment du branchement des bornes pour effectuerIereglage.

the meters.

pas toucher les filsdebranchementdela lampe

pas toucher les diodes (D712L, R)etles ailettesderayonnement

P.W.B.

by the screw driver for adjustment when adjusting the de-

P.W.B.

p.W.B.

by

the clips connected to the volt meter when clipping

avec

un tournevisaumoment du reglagededeviation

avec

les pinces branchees surIevoltmetre

-

28-

Fig.

20

au

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HITACHI

SR-2004

e

REPLACEMENT PARTS

SYMBOL

NO.

\

C151

C153
C154
C155 0228323
C156 0244175
C157 0275011
C158 0244175
C159 0245018 Ceramic, discalO.022IJF

C161
C162 0248692 Ceramic, discal
C163 0252815 Electrolytic
C164
C165 0275011
C166 0275016
C167

C169 0252532 Electrolytic
C170
C171 0274335 Mylar, film
CI72
C20l
C202 0245017 Ceramic, discal
C203
C204
C205
C206

C208 0245017
C209 0245018
C2I0
C2ll
C212
C213 0245017 Ceramic, discal
C214

C216
C217
C218
C219
C220
C22l
C222

STOCK

I

NO.

I

CAPACITORS

for

IF

PRINTED

0275015

0275013
0248493 Ceramic, discal

0252225

0275011

0252225

0245018

0248462 Ceramic, discal 2pF±0.25pF
0245017 Ceramic, discal

0245017
0245017 Ceramic, discal
0245017
0245017 Ceramic, discal

0245017
0245017 Ceramic, discal
0245017 Ceramic, discal

0244175 Ceramic, discal

0244175
0245018 Ceramic, discal
0244175
0252813 Electrolytic
0275013 Mylar, film
0252811 Electrolytic
0245018 Ceramic, discal

Mylar, film

Mylar,

Styrol 330pF±5%
Ceramic, discal
Mylar, film
Ceramic, discal

Electrolytic

Mylar, film
Mylar, film

Mylar, film

Electrolytic

Ceramic, discal

Ceramic, discal

Ceramic, discal 0.0IIJF

Ceramic, discal
Ceramic, discal
Ceramic, discal

Ceramic, discal

Ceramic, discal

LIST·

DESCRIPTION

WIRING BOARD

0.047IJF±10%

film

0.022IJF±10%
13pF±5%

0.047IJF·~g%

0.01IJF±10% 50V

0.047IJF·~g%

47IJF 6.3V

220pF±5%

4.71JF

0.01IJF±10%

0.01IJF±10% 50V

0.068IJF±10% 50V
47IJF 6.3V

220IJ

0.022IJF·n% 25V
5600pF±10%

O.OIIJF~~g%

O.OIIJ
O.OIIJ
O.OIIJ

O.OIIJ

O.OIIJF·~g%

0.0221JF
O.01IJF
O.OIIJF
O.OIIJ
O.OIIJ

0.047IJF·~g%

0.04

0.0221JF

0.047IJF~~g%

3.31JF
O.

022IJF±1

llJF

0.0221J

~~g

% 25V

F

F

'~g%

F

'~g%

F

~~g

%

'~g%

F

'~g%

~~g

%

'~g%

'~g%

F

'~g

% 25V

F

~~g%

7IJF

'~g%

~~g%

0%

F

'~g%

TABLEAU

SYMBOL

NO.

C239

C301 0252521
C302

50V

50V
50V
50V
25V

25V

50V
50V

50V

16V

50V
50V

25V
25V
25V
25V
25V
25V

25V
25V
25V
25V

25V
25V

25V
25V

25V
50V
50V
50V

25V

C303
C304
C305 0252811
C306 0252875
C307 0252535
C308 0252521
C309
C310
C311
C312 0252815
C313
C314 0248684
C315 0248680
C316 0252811
C317 0244171
C318 0252877

C701L,R 0252621

C705L,R 0247815 Ceramic, discal
C706L,R
C707L,R 0247848 Ceramic, discal

C709L,R 0252831
C710L,R
C711L,R
C712L,R 0243507
C713L,R
C714L,R
C715L,R
C716L,R 0253022 Electrolytic
C717L,R

C719L,R 0253022
C720L,R
C721L,R 0243509

C735L,R

DES

PIECE

STOCK

NO.

0241882

I

0221523 Styrol
0275015

0252813

1274432 Mylar, film 1800pF±5%
1274432 Mylar,
0252815

0252521

for

MAIN

0252225

0247845 Ceramic, discal 43pF±5% 500V
0243506

0275511
0253115
0253115

0253022 Electrolytic

0243509 Ceramic, discal 470pF±10%

0247820

Ceramic, discal

Electrolytic

Mylar, film
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic

Electrolytic
Electrolytic
Electrolytic
Ceramic, discal 100pF±5%
Ceramic, discal 68pF±5% 50V
Electrolytic
Ceramic, discal
Electrolytic

AMPLIFIER

Electrolytic

Electrolytic

Electrolytic

Ceramic, discal 27OpF±10% 500V
Ceramic, discal 330pF±10%
Mylar, film
Electrolytic
Electrolytic

Electrolytic

Ceramic, discal 470pF±10%

Ceramic, discal

DESCRIPTION

±10%

10pF

10IJF
360pF±5%

0.047IJF±10%
F

3.31J

IIJF

0.471JF

470IJF

IOIJF

fIlm 1800pF±5%

4.71JF
F

4.71J

10IJF

F

IIJ

F

O.OIIJ

~~g%

IIJF

PRINTED WIRING BOARD

F

10IJ

5pF±0.5pF
47IJF

56pF±5%

100IJF

O.OIIJF±10%

F

4.71J
F

4.71J

22IJF
22IJF 100V

22IJF

IOpF±0.5pF

I

50V

16V
50V
50V
50V
50V
50V

16V

16V
50V
50V
50V
50V

16V
50V

50V

50V

50V

25V

500V

6.3V

500V

50V

500V

100V
160V
160V
100V

100V
500V
500V

500V

e

C224
C225
C226
C227
C228 0244175
C229
C230
C231

C235
C236 0252225
C237 0252811
C238

0245018 Ceramic, discal
0252875
0252521 Electrolytic
0252811

0248676
0252525 Electrolytic
0245017 Ceramic, discal

0257181

0275011

Electrolytic

Electrolytic
Ceramic, discal
Ceramic, discal

Electrolytic
Electrolytic
Electrolytic
Mylar, film

0.0221JF

0.471JF
10IJ

llJF

0.0471J

47pF±5%

47IJF 16V
O.OIIJ

llJF

47IJF

llJF

O.OIIJF±lO%

'~g

%

F

'~g

%

F

F

'~g

%

25V

50V

16V

50V

25V

50V

25V

50V

6.3V
50V
50V

-29

for DIN

C631

I

0245018 I

for TONE PRINTED

C501 0248728
C502 0252811
C503
C504 0251976

C506
C507
C508 0252877

0248676

0247854
0252525

-

PRINTED

WIRING

Ceramic, discal I

WIRING

Ceramic, discal
Electrolytic
Ceramic, discal
Electrolytic

Ceramic, discal 100pF±5%
Electrolytic
Electrolytic

BOARD

F

0.0221J

'~g%

I

BOARD

150pF±10% 50V
llJF
47pF±5%

0.681JF

47IJF

llJF

25V

50V

50Y

25V

500V
16V
50V

HITACHI

SR-2004

SYMBOL

NO.

CS11 0252811
CS12 0248684
CS13 0252811
CS14
CS1S
CS16 0228327 Styrol 470pF±S%
CS17
CS18 0253011 Electrolytic

C601L,R
C602L,R 0248676 Ceramic, discal
C603L,R 0257184 Electrolytic
C604L,R
C60SL,R 0248676 Ceramic, discal
C606L,R 0248676
C607L,R
C608L,R
C609L,R

C611L,R
C612L,R
C613L,R
C614L,R
C61SL,R
C616L,R
C617L,R
C618L,R
C619L,R
C620L,R
C621L,R
C622L,R 0252225

STOCK

NO. NO.

Electrolytic
Ceramic, discal 100pF±S%

Electrolytic
0252525 Electrolytic
0252821

0248676 Ceramic, discal 47pF±S%

0252811

0252877 Electrolytic

0252525 Electrolytic
0252821 Electrolytic
0252880 Electrolytic

0228330 Styrol
0228322 Styrol
0274033 Mylar, film
0274033 Mylar, film
0275011
0275013 Mylar, film
0275011 Mylar,
0275013 Mylar, film
0252880 Electrolytic
0248664 Ceramic, discal
0252880 Electrolytic

Electrolytic

Electrolytic

Ceramic, discal

Mylar, film

Electrolytic

DESCRIPTION

film

F

11l

F

11l
471lF
10llF

F

11l

F

11l

47pF±S%

F

4.71l
F

11l

47pF±S%
47pF±S%

F

471l
10llF

F

4.71l

620pF±S%

300pF±S%
2700pF±10%
2700pF±10%

0.01IlF±10%

0.022IlF±10%

0.01IlF±10%

0.022IlF±10%
F

4.71l

lSpF±S%

F

4.71l

F

471l

SOY
SOY
SOY

16V
SOY
SOY
SOY

100V

SOY
SOY
SOY
SOY
SOY
SOY
16V
SOY
SOY

SOY
SOY
SOY
SOY
SOY
SOY
SOY
SOY
SOY
SOY
SOY

6.3V

SYMBOL

C401L,R 0252811
C402L,R

C403L,R
C404L,R
C40SL,R
C406L,R
C407L,R
C408L,R
C409L,R
C410L,R

C411L,R 0248676

C421 0275011
C422

CSS1
CSS2

CSS3
CSS4
CSSS
CSS6
CSS7

CSS9
CS60

C722L,R

C7S0
C7S1L,R
C7S2L,R
C7S3L,R 0248724
C7S4L,R
C7SSL,R 0248724
C7S6L,R 0248672

STOCK

NO.

for

DC

0248722
0252621 Electrolytic
0257182
0252522

0274431
0274415
0248690
0247882
0248684

0275011

0252231
0252625
0252541

0252541 Electrolytic

0275015

0275015
0252631

0275012
0252632

0276511

0276011
0252621
0252225

0248662

DESCRIPTION

PRINTED WIRING BOARD

Electrolytic
Ceramic, discal

Electrolytic

Electrolytic

film 1200pF±S%

Mylar,

film 4700pF±S%

Mylar,
Ceramic, discal

Ceramic, discal
Ceramic, discal
Ceramic, discal

film 0.01Il

Mylar,

film 0.01Il

Mylar,

Electrolytic
Electrolytic
Electrolytic

Mylar, film
Mylar, film
Electrolytic

Mylar, film
Electrolytic

Mylar, film

Mylar, film
Electrolytic
Electrolytic
Ceramic, discal 100pF±10%
Ceramic, discal
Ceramic, discal 100pF±10%
Ceramic, discal 33pF±S%

F

11l

82pF±10%

10llF

F

2.21l
F

221l

180pF±S%
33pF±0.SpF
100pF±S%

47pF±S%

100llF

471lF

l,OOOIlF
1,0001lF 16V

0.047IlF±10%

0.047IlF±10%

100llF

O.OlSIlF±lO%
220llF

F

O.lIl

0.1IlF±10%
10llF

F 6.3V

471l

12pF±S%

F

±10%

F

±10%

±lO%

SOY
SOY
2SV
SOY

16V
SOY
SOY
SOY
SOOV

SOY
SOY

SOY
SOY

6.3V
2SV
16V

SOY
SOY
2SV

SOY
2SV

100V

SOY
2SV

SOY
SOY

SOY
SOY

e

e

C630 0252933

for SWITCH PRINTED

CS31L,R
CS32L,R 1274414
CS33L,R
CS34L,R 0248732
CS3SL,R
CS36L,R
CS37L,R
CS38L,R

CS39L,R
CS40
CS41

CS42L,R

CS81L,R 0252522 Electrolytic

C623L,R
C624L,R 0276031

0275011

0274011

0275015
0275036
0252879
0248732

0252811 Electrolytic
0252922
0275014

0248732

0248687

Electrolytic

Mylar, film
Mylar, film

Mylar, film 1000pF±S%
Ceramic, discal 220pF±S%
Mylar, film
Mylar, film
Electrolytic
Ceramic, discal

Electrolytic
Mylar, film
Ceramic, discal

Ceramic, discal

Mylar, film

330llF

WIRING

0.01IlF±10%

3300pF±S%

0.047IlF±10%

0.082IlF±10%

3.31l

220pF±10%

11lF

221lF

0.033IlF±10%

220pF±S%

221l

130pF

0.121lF

63V

BOARD

SOY
SOY
SOY
SOY
SOY
SOY

F

F 16V

±S%

±10%

SOY

SOY

SOY
63V
SOY

SOY

SOY
SOY

C806 0245408
C807
C808 0245408
C809
C810 0245408
C811
C812 0275512
C813
C814
C81S
C816
C817 0252831
C818

C901
C902
C903
C904

C90S
C906
C907
C908
C909
C910

0245408 Ceramic, discal

0245408

0275512

0275012
0252932
0252932
0252732

0252831

0252815

0252625
0275016
0275011

0274012
0274011
0276011
0252231
0252815
0252625

Ceramic, discal

Ceramic, discal
Ceramic, discal
Ceramic, discal

mm

Mylar,
Mylar, film

Mylar, film O.OlSIlF±lO%

Electrolytic

Electrolytic
Electrolytic
Electrolytic
Electrolytic

Electrolytic
Electrolytic
Mylar, film
Mylar, film
Mylar, film IS00pF±1O%
Mylar, film

film

Mylar,
Electrolytic
Electrolytic
Electrolytic

0.01IlF±20%
F

±20%

0.01Il

0.0

11lF

±

20%

0.01IlF±20%
F

±20%

0.01Il

0.01SIlF±10%

0.01SIlF±10%

220llF
220llF
220llF

100llF
100llF

F

4.71l
F

471l

0.0681lF±

0.01IlF±10%

1000pF±10%

0.IIl

100llF

4.71l

471l

F

F

F

10%

±10%

SOOV
SOOV
SOOV
SOOV
SOOV

100V

100V
SOY
63V
63V

3SV
SOY
SOY

SOY

2SV

SOY

SOY

SOY

SOY

SOY

6.3V

SOY

2SV

•

HITACHI

SR-2004

\

e

SYMBOL

NO.

C911

C901

C002 0243885
C003 0250592 Electrolytic
C004
C005 0250733 Electrolytic
C006

C014

COr8
C019
C020

C007 0245018
C008 0245018
C009 0245018
COlO
COIl
CO

12 0245018 Ceramic, discal 0.022/lF

STOCK

NO. NO.

0252815 I

I

for

AC

0252932 I

I

for CHASSIS ASSEMBLY

0250592 Electrolytic

0250733 Electrolytic

0274011 Mylar, film

0279971
0279971

0279211

for REAR PLATE ASSEMBLY

0245018

0245018

Electrolytic

PRINTED WIRING BOARD

Electrolytic

Ceramic, discal 4700pF

Mylar, film

I

Mylar, film
Mylar, film

Ceramic, discal
Ceramic, discal
Ceramic, discal
Ceramic, discal
Ceramic, discal

DESCRIPTION

I

I220/lF

4.7/lF

10,000/lF

1O,000/lF

18,000/lF 63V

18,000/lF 63V

1000pF±10% 50V

0.22/lF±10% 100V

O.

22/lF ±1

0.1/lF±10% 250V

0.022/lF·lg%

0.022/lF

0.022/lF

0.022/lF

0.022/lF

0%

'lg

%

'l8

%

'l8

%

'lg

%

~r.

% 25V

50V R211 0129575

I

63V

I

125V
125V
125V

100V

25V
25V
25V
25V
25V

SYMBOL

R212
R213 0129573

R214 0129565 Carbon
R215 0129565
R216

R218 0129575
R219

R220
R221 0129581

R222 0129665 Carbon

R223 0129619 Carbon
R224 0129573 Carbon film
R225 0129631 Carbon film
R226 0129633 Carbon film
R227 0129647 Carbon film
R228
R229 0129667 Carbon film
R230 0129569
R231 0129561 Carbon film
R232 0129647 Carbon
R233 0129608 Carbon film
R234 0129547 Carbon film
R235 0129631 Carbon film 10k.n±5% SRD1!8P
R236
R237 0129647 Carbon film

R238
R239 0129579 Carbon film
R240 0129615 Carbon
R241 0129639 Carbon film

STOCK

NO.

0129561 Carbon film

0138049

0129601 Carbon
0129561 Carbon film

0129609

0129677

0129631 Carbon film

Carbon film

Carbon film

fIlm
Carbon film
Carbon film

Carbon

fIlm

fIlm

Carbon film

fIlm 150k.n±5% SRD1!8P

fIlm 5.6k.n±5% SRD1!8P

Carbon film

Carbon film

fIlm 47k.n±5% SRD1!8P

Carbon film

fIlm 3.9k.n±5%

DESCRIPTION

390.n±5%

100.n±5%

330.n±5%

150.n±5% SRD1!8P

150.n±5%

22.n±5% SRD1!4P

390.n±5%
1k.n±5%

100.n±5%

680.n±5% SRD1!8P

330.n±5% SRD1!8P
10k.n±5% SRD1!8P

12k.n±5% SRD1!8P

47k.n±5% SRD1!8P

2.2k.n±5% SRD1!8P
180k.n±5% SRD1!8P

220.n±5% SRD1!8P

100.n±5% SRD1!8P

2k.n±5% SRD1!8P

47.n±5%

470k.n±5% SRD1!8P
47k.n±5%
10k.n±5% SRD1!8P

560.n±5% SRD1!8P

22k.n±5%

SRD1!8P
SRD1!8P
SRDl/8P

SRD1!8P

SRD1!8P
SRD1!8P
SRD1!8P

SRD1!8P

SRD1!8P

SRD1!8P
SRD1!8P

e

for

DIAL

MECHANISM ASSEMBLY

COB

0252225 I

I

Electrolytic 6.3V

RESISTORS

for

IF

PRINTED WIRING BOARD

R151 0129645 Carbon film
R152 0129561 Carbon
R153 0129565 Carbon film
R154
R155 0129613 Carbon film
R156 0129609 Carbon film
R157

R158

R159 0129617 Carbon film
R160 0129603 Carbon film
R161 0129563 Carbon film

R162

R201

R202

R203

R204 0129573 Carbon film
R205

R206

R207
R208

R209 0129619

R210

0129609 Carbon

0138123 Carbon film

0129609

0129601 Carbon

0129573
0129569
0129573 Carbon

0129619 Carbon film
0129575 Carbon film

0129561 Carbon

0129573 Carbon film

0129619

fIlm 100.n±5%

fIlm

Carbon film 2.2k.n±5%

fIlm

Carbon film

fIlm

Carbon

fIlm

fIlm

fIlm

Carbon

Carbon film

I

47/lF

39k.n±5%

150.n±5%

2.2k.n±5%

3.3k.n±5%

2.2k.n±5%

1.2k.n±5%

4.7k.n±5%

1.2k.n±5%

120.n±5%
lk.n±5%

330.n±5%

220.n±5%

330.n±5%

330.n±5%

5.6k.n±5%

390.n±5%

100.n±5%

330.n±5%

5.6k.n±5%

5.6k.n±5%

I

SRD1/8P
SRD1!8P
SRD1!8P

SRD1!8P
SRD1!8P
SRD1!8P
SRD1!4P

SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P

SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P
SRD1!8P

R301 0110820 Metal 24k.n±I%
R302 0129639 Carbon film
R303
R304 0129601 Carbon film
R305 0129663 Carbon film
R306 0129565 Carbon
R307 0129643 Carbon fIlm 33k.n±5% SRD1!8P
R308 0129621 Carbon film
R309 0129647 Carbon
R310 0129647
R311 0129609 Carbon
R312 0129609 Carbon film
R313
R314
R315 0129647
R316 0129639 Carbon
R317
R318

R324 0129705 Carbon film
R325 0129647 Carbon film
R591L,R

R701L,R
R702L,R
R703L,R 0119442
R704L,R

R706L,R

0129631

0129621 Carbon film
0134374 Composition

0129661 Carbon film
0129643 Carbon film

0129609 Carbon film

for

MAIN

AMPLIFIER

0114281 Carbon film
0114173 Carbon

0114209 Carbon film

0119450

Carbon film

fIlm

fIlm 47k.n±5% SRD1!8P

Carbon film

fIlm

fIlm 47k.n±5%

Carbon

fIlm

PRINTED WIRING BOARD

fIlm

Metal oxide

Metal oxide

22k.n±5% SRD1!8P

lOk.n±5% SRD1!8P

1k.n±5%

120k.n±5% SRD1!8P

150.n±5%

6.8k.n±5% SRD1!8P

47k.n±5% SRD1!8P

2.2k.n±5%

2.2k.n±5% SRD1!8P

6.8k.n±5%

1.2k.n±10%

22k.n±5%
lOOk.n±5%
33k.n±5%

1.5M.n±5%
47k.n±5%

2.2k.n±5%

100k.n±5%

3.3k.n±5%
l.2k.n±10%
22k.n±5%

5.6k.n±10% RD1PA

RNY.,B

SRD1!8P

SRD1!8P

SRD1!8P

SRD1!8P

RCYzGF

SRDl!8P
SRD1!8P
SRD1!8P
SRD1!8P

SRD1!8P
SRD1!8P
SRD1!8P

SRDY.,P
SRDY.,P
RD1PA
SRDY.,P

-

31-

HITACHI

Fuse resistors in this list are maked *.

SYMBOL

NO.

R707L,R

*R708L,R

*R709L,R

R710L,R
*R711L,R
*R712L,R

R713L,R

R714L,R
*R715L,R

*R716L,R

R717L,R

R718L,R

R719L,R

R720L,R

R721L,R

R722L,R

R723L,R

R724L,R

R725L,R

R726L,R

R727L,R

R728L,R

R729L,R

R730L,R

R732L,R

R734L,R

R735L,R

*R738L,R

R739L,R
R740L,R
R741L,R
R744L,R
R748L,R

R643L,R

R644L,R

R645L,R

SR-2004

STOCK

NO.

0114209
0117396 Metal 2.7kU±5% RN%B
0117396
0114169 Carbon fIlm 2.2kU±5%
0110621 Metal
0110621
0119445 Metal oxide

0119445 Metal oxide
0110627
0110610
0134165 Composition
0114209 Carbon film 22kU±5%
0114217
0114169
0114165 Carbon fIlm
0114217 Carbon film
0119430
0119521
0119521
0119430
0119421
0119421 Metal oxide
0149435 Wire-wound
0149435 Wire-wound

0119043

0119447
0119447

0110628

0114145

0114177

0114177

0114203

0114145

for

DIN

0114291ICarbon fIlm

I

0114281 Carbon fIlm
0114219 Carbon fIlm

Carbon film

Metal

Metal

Metal
Metal

Carbon film 47kU±5%
Carbon

Metal oxide
Metal oxide
Metal oxide
Metal oxide
Metal oxide

Metal

Metal oxide
Metal oxide 3.3kU±10%

Metal
Carbon film
Carbon film 4.7kU±5%
Carbon film
Carbon film
Carbon film

PRINTED

fIlm

WIRING

OESCRIPTION

22kU±5%

2.7k!H5%

100U±5%

100U±5%

2.2kU±10%

2.2kU±10%
330U±5%
56U±5%
150kU±5%

2.2kn±5%

1.5kn±5%
47kU±5%
560u±10%
100U±10%
100U±10%
560u±10%
100U±10%
100U±10%

0.22u±10%

0.22n±10%

15n±l0%

3.3kn±10%

390U±5%
390U±5%

4.7kU±5%
12kU±5%
390U±5%

BOARD

I 270kU±5%

100kU±5%
56kU±5%

SROt,4P

RN%B
SROt,4P
RNt,4B
RNt,4B
ROIPA
ROIPA
RNt,4B
RNt,4B
RC%GF
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
ROIPA
R02PA
R02PA
ROIPA
ROIPA
ROIPA
RWC7
RWC7

RNIB

ROIPA
ROIPA

RN%B
SROt,4P
SRO%P
SRO%P
SROt,4P
SRO%P

I

SROt,4P
SROt,4P

SROt,4P

SYMBOL

NO.

R5I7

R5I8
R5I9

R520
R601L,R

R602L,R
R603L,R
R604L,R
R605L,R
R606L,R
R607L,R
R608L,R

R611L,R
R612L,R
R613L,R

R614L,R
R615L,R
R616L,R
R617L,R
R618L,R
R619L,R
R620L,R
R621L,R
R622L,R
R623L,R
R624L,R
R625L,R
R626L,R
R627L,R
R628L,R
R629L,R 0114181
R630L,R
R631L,R
R632L,R
R633L,R
R634L,R
R635L,R
R636L,R
R637L,R
R638L,R
R639
R640
R641

STOCK

NO.

0114149
0114213 Carbon film
0114161 Carbon fIlm
0114201 Carbon fIlm

0114281 Carbon film
0114145 Carbon fIlm
0114281 Carbon film
0114217 Carbon fIlm
0114169
0114147 Carbon fIlm
0114285 Carbon film
0114145 Carbon film

0114181 Carbon film
0114221 Carbon film
0114153 Carbon fIlm
0114183 Carbon film 8.2kU±5%
0114161
0114223
0114153 Carbon film
0114222
0114179
0114165 Carbon
0114139
0114207 Carbon film
0114201
0114201 Carbon
0114201 Carbon film
0114201 Carbon fIlm
0114281
0114217

0114217
0114217 Carbon
0114297
0114221
0114181 Carbon
0114165
0114161
0114205

0114205

0114161
0114161 Carbon fIlm
0119424 Metal oxide

OESCRIPTION

Carbon film 560U±5%

33kU±5%
lkn±5%
lOkn±5%

100kn±5%

390n±5%

100kn±5%

47kn±5%

Carbon fIlm

Carbon film

fIlm

Carbon

Carbon film
Carbon film 5.6kU±5% SRO%P

fIlm

Carbon film

Carbon

fIlm 10kU±5%

fIlm

Carbon film 100kU±5%
Carbon film 47kU±5%
Carbon film 6.8kU±5%
Carbon film 47kU±5%

fIlm
Carbon film
Carbon

fIlm

fIlm
Carbon film
Carbon film
Carbon film
Carbon fum
Carbon film

2.2kn±5%

470n±5%

150kn±5%
390n±5%

6.8kn±5%
68kU±5%

820u±5%

lkn±5%

82kn±5%
820n±5%
75kn±5%

1.5kn±5%
220n±5%

18kU±5%

10kU±5%
10kU±5%
10kU±5%

47kU±5%
470kU±5%
68kU±5%

6.8kU±5%

1.5kU±5%
lkn±5%

15kU±5%
15kU±5%

lkU±5%
lkU±5%

180U±10% ROIPA

SROt,4P
SROt,4P
SROt,4P
SROt,4P

SROt,4P
SROt,4P
SROt,4P
SROt,4P

SROt,4P

SROt,4P
SROt,4P
SRO%P

SROt,4P
SROt,4P
SRO%P
SROt,4P

SRO%P
SROt,4P

SRO%P

SROt,4P

SROt,4P

SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P

e

e

for TONE PRINTED

R415L,R
R416L,R
R501 0114161 Carbon fIlm
R502
R503
R504
R505
R506
R507

R511
R512
R513
R514
R515
R516

0114297
0114297 Carbon fIlm

0114217 Carbon fIim
0114287 Carbon film
0114169 Carbon film
0114221
0114205 Carbon
0114171 Carbon film

0114161
0114223
0114161 Carbon film
0114223 Carbon fIlm
0114201
0114175 Carbon film

WIRING

Carbon

fIlm

Carbon film

fIim 15kU±5%

Carbon

fIlm

Carbon film 82kU±5%

Carbon film 10kU±5%

BOARD

470kn±5%
470kn±5%
lkU±5%
47kU±5%
180kn±5%

2.2kn±5%
68kU±5%

2.7kn±5%

lkU±5%

lkU±5%

82kU±5%

3.9kn±5%

SROt,4P
SROY.,p

SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P

SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROY.,p

SROt,4P

R661L,R
R662L,R
R664L,R
R665L,R

for SWITCH

R531L,R
R532L,R
R533L,R 0114207

R535L,R
R536L,R
R537L,R
R538L,R
R539L,R
R540L,R
R541L,R
R542
R543L,R

-32-

0114297 Carbon
0114297 Carbon
0114303
0114303 Carbon fIlm 820kU±5%

PRINTED

0114171
0114173 Carbon fIlm 3.3kU±5%

0114173

0114311 Carbon fIlm

0114223 Carbon film
0114223
0114175
0114281 Carbon film
0114147
0114131 Carbon film
0138231

fIlm 470kU±5%
fIlm
fIlm

Carbon

WIRING

Carbon

fIlm 2.7kU±5%

Carbon film

Carbon film

Carbon film

Carbon film

Carbon

fIlm

fIlm

Carbon

470kn±5%
820kn±5%

BOARD

18kU±5%

3.3kn±5%
IMn±5%

82kU±5%
82kU±5%

3.9kU±5%
100kn±5%

470U±5%

100U±5%
IMU±5%

SROt,4P
SROt,4P
SROt,4P
SROt,4P

SROt,4P
SROt,4P
SROt,4P

SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4P
SROt,4S0

•

HITACHI

SR-2004

e

SYMBOL STOCK

NO.

R564

\.

R565
R566

R58IL,R
R582L,R 0114135 Carbon film
R583L,R

R609L,R 0114201
R610L,R 0114175

R647L,R
R663L,R

R401L,R
R402L,R

R403L,R
R404L,R
R405L,R
R406L,R 0114217 Carbon film 47k.l1±5%
R407L,R
R408L,R 0114145 Carbon film 390.l1±5%
R409L,R 0114281 Carbon

R410L,R 0114161
R411L,R
R412L,R
R413L,R
R414L,R

R551 0114177 Carbon

R552

R553

R554

R555

R556

R557

R558 0114131 Carbon film

R559 0114285

R560

R561 0114281 Carbon

R562 0114281 Carbon film

R563

*R567

R731L,R 0119041

R733L,R

NO.

0114153
0114153
0114153

0114177

0114161

0114283
0114297

for

DC

0114173
0114219

0114301
0114289
0114209

0114165

0114163
0114149
0114219
0114301 Carbon

0114205

0114205

0114205 Carbon

0114209
0114173

0134371 Composition

0114205 Carbon film

0114153

0117393

0119249

Carbon film
Carbon film
Carbon film

Carbon film

Carbon

Carbon
Carbon

Carbonmm

Carbonmm

PRINTED

WIRING BOARD

Carbon film
Carbon film

Carbon
Carbon film 220k.l1±5%
Carbon

Carbon film

Carbonmm
Carbonmm

Carbon

Carbon

Carbon film

Carbon film

Carbon film 22k.l1±5%

Carbon film

Carbon

Carbon film

Metal

Metal
Metal

mm

mm

DESCRIPTION

mm

mm
mm

mm

mm

mm
mm

I

mm

mm

mm

mm

820nt5%

820.l1±5%

820.l1±5%

4.7k.l1±5%

150.l1±5%
lk.l1±5%

10k.l1±5%

3.9k.l1±5%

120k.l1±5%

470k.l1±5%

3.3k.l1±5% SROv"P
56k.l1±5%
680k.l1±5% SROv"P

22k.l1±5%

1.5k.l1±5%

100k.l1±5%
1k.l1±5%

1.2k.l1±5% SROv"P

560.l1±5% SROv"P
56k.l1±5%
680k.l1±5%

4.7k.l1±5%
15k.l1±5%
15k.l1±5%
15k.l1±5%

3.3k.l1±5%

680.l1±10%

100.l1±5%
150k.l1±5%
15k.l1±5% SROv"P

100kS1±5%

100k.l1±5%

820.l1±5%

l.5k.l1±5% RN'hB

10.l1±10%

4.7.l1±10%

SRDv"P
SROv"P
SROv"P

SRDY.P
SROv"P
SROv"P

SROv"P
SROv"P

SROv"P
SROv"P

SROY..P

SRDY.P
SROv"P
SROv"P
SROv"P
SROv"P
SRO%P
SROY.P

SROv"P

SROv"P

SROv"P
SRO%P
SROv"P
SROv"P
SRDv"P
SRDv"P
RC'hGF
SROY.P
SROv"P

SRO%P
SROv"P
SRD1/.aP

RNIB
RN3B

STOCK

SYMBOL

R802 0119526
R803
R804
R805
R806
R807
R808
R809
R810
R811

R903
R904 0114209
R905
R906
R907
R908 0114213 Carbon
R909 0114143 Carbon film 330.l1±5%
R910
R911 0114285
R912 0114163
R913 0114303 Carbon

R914 0114283

R915
R916 0114167 Carbon film 1.8k.l1±5%
R917
R918
R919
R920
R921 0114179 Carbon film 5.6k.l1±5%
R922
R923 0114221 Carbon
R924
R925
R926 0114289
R927 0114143 Carbon
R928 0114281 Carbon film 100k.l1±5% SRO%P
R929
R930
R931
R932

R901
R902

R001

R004 0114285

I

NO.

NO.

0119612
0119448
0119448
0119448
0134373 Composition
0134373 Composition
0134373
0119530

0119530

0114217

0114143
0114209
0114209

0114161 Carbon film

0114201 Carbon film

0114163
0114281
0114217
0114289

0114135 Carbon film

0114211 Carbon film
0114179

0114209
0114209
0134374
0114281

for

AC

PRINTED

0149131

0119628

I

for CHASSIS ASSEMBLY

0139005

I

mm
mm

mm
mm

mm
mm
mm

mm

mm
mm
mm

mm

mm

mm

mm

mm

oxide

DESCRIPTION

270!HIO%

82.l1±10%

3.9k.l1±10%

3.9k.l1±10%
Ik.l1±10%
Ik.l1±10% RC'hGF

560.l1±10%

560.l1±10%

47k.l1±5%

22k.l1±5%

330.l1±5%

22k.l1±5%
33k.l1±5%

1k.l1±5%
150k.l1±5%

1.2k.l1±5%
820k.l1±5%
120k.l1±5% SROv"P
10k.l1±5%

1.

2k.l1±5%
100k.l1±5%
47k.l1±5%

220k.l1±5% SRO%P

150.l1±5%
68k.l1±5%
27k.l1±5%

220k.l1±5%
330S1±5% SRO%P

22k.l1±5%

1.2k.l1±10% RC'hGF
100kS1±5%

BOARD

3.3.l1±10%

390.l1±10%

I

2.7MS1±10%

150k.l1±5%

IRWC20

IRC'hGF

RD2PA
R03PA
ROIPA
ROIPA
ROIPA
RC'hGF

RC'hGF
R02PA

R02PA

R03PA

I

Metal oxide

Metal oxide

Metal oxide
Metal oxide 3.9k.l1±10%
Metal oxide

Composition lk.l1±IO%

Metal oxide
Metal oxide

Carbon film
Carbon
Carbon
Carbon film 22k.l1±5%
Carbon

Carbon
Carbon

Carbon

Carbon
Carbon
Carbon
Carbon

Carbon film 5.6k.l1±5% SROv"P
Carbon

Carbon film 22k.l1±5%
Carbon film
Composition
Carbon

WIRING

I Wire-wound

Metal

IComposition I

Carbonltlm

SRDY..P
SRDv"P
SROY..P
SROy"P
SROv"P
SROY..P
SRDv"P
SRDY..P
SROY..P
SROY..P
SROY..P

SROY..P
SRO%P
SROv"P
SROY..P
SROv"P

SROv"P
SRO%P
SROY..P
SRO%P

SROv"P

SROv"P
SRO%P

SROv"P

SROY..P

e

R746L,R
R747L,R

R751L,R
R752L,R
R753L,R
R754L,R
R755L,R

R801

0119626
0119249

0114281 Carbon
0114169
0114281 Carbon
0114183

0114211

0119526

Metal oxide
Metal

Carbon

Carbon film
Carbon film

Metal oxide

mm
mm
mm

270.l1±10%

4.7.l1±10% RN3B

100k.l1±5% SROv"P

2.2k.l1±5%
1

OOk.l1±

5%

8.2k.l1±5% SRDv"P
27k.l1±5%

270.l1±10%

R03PA

SROv"P
SRO%P

SRD%P

R02PA

-33

for REAR PLATE ASSEMBLY

R002

IC201 2367191
IC202 2367191 HA1211
IC203
IC204

I

0139007

I Composition I

FET,

for

IF

PRINTED

2367122
2367191 HA1211

ICs

HAI211

HA1137

-

IM.l1±10%

& TRANSISTORS

WIRING

BOARD

IRC'hGF

HITACHI

SR-2004

SYMBOL [

NO.

ICI5 I

IC301

Q201

Q202

Q203

Q301

for

Q701L,R
Q702L,R
Q703L,R

Q704L,R
Q705L,R
Q706L,R

Q708L'R~

Q709L,R
Q710L,R
Q7IIL,R
Q7121L,
Q713L,R

Q501
Q502

Q504
Q505

Q601L,R
Q602L,R
Q603L,R
Q604L,R
Q605L,R
Q606L,R
Q607L,R

STOCK

NO.

2367201 I

I

2367271

2327431 IFET 3SK45

2327683 FET 2SK55
2327443 2SC1344

I

2327443 I 2SC1344 ®

I

MAIN

2327907
2327907
2328201
2328131
2328131
2327923

2327743
2327907
2328092
2328192
2328182
2328122

TONE PRINTED WIRING BOARD

for

2327903
2327923

I

2327363
2327363

I

2327923
2327923

2327363
2327363
2327363
2327913
2327913

I

HAII38

I

HAII96

AMPLIFIER PRINTED

2SA872B®

2SA872B
2SB630 ®
2SCI722
2SCI722
2SCI775A@

2SA836
2SA872B®
2SD608®
2SD608 Dot mark
2SB628 Dot mark
2SB628 ®

I 2SA872A ®

2SCI775A ®

I 2SC1345 ®

2SC1345

2SCI775A
2SCI775A ®
2SC1345
2SC1345
2SC1345
2SCI775 ®
2SCI775 ®

DESCRIPTION

@

® Q906 2327443

WIRING

®

Dot

mark

®

BOARD

rl

SY~~.OL

II

Q801
Q802
Q803

II

Q901
Q902
Q903 2327363

II

Q904
Q905 2327364

Q907 2327443
Q908

II

Q909
Q910 2327443

Q714L, R

"

Q715L, R
Q716L, R
Q717L, R

II

II

D151
D152

D153
D154

II

D155
D156

II

VA301
D201

D202

II

®

D203
D204

D205

STOCK

I

NO.

2328422
2328432
2328422

2327443
2327443

2327364

2327443
2327363 2SC1345

2328705 2SD752
2328702

2328712

2328715

for

IF

23370II
0575002
23370II
2337011
2337011 IS2076
2337011 IS2076
2347042
2337381
2337381
2337011
23370II
0575019

II

®

II

®
®
®

D301
D302 2337011

"

2337011 IS2076

for

MAIN

I

DESCRIPTION

I

2SD478©
2SB568 ©
2SD478 ©
2SCI344 ®
2SC1344
2SC1345
2SCI345
2SCI345
2SC1344
2SC1344
2SC1344

2SC1344

for CHASSIS ASSEMBLY

2SD752
2SB722
2SB722

DIODES &

PRINTED WIRING BOARD

IS2076
IN34A

IS2076

IS2076

MV-5W

IS2692
IS2692 ®
IS2076
IS2076
IN60P

IS2076

AMPLIFIER PRINTED WIRING BOARD

®
®

®
®

®
®
®
®
®

@ Dot mark

@
@
@ Dot mark

THYRISTORS

®

I

e

e

I

for SWITCH PRINTED WIRING BOARD

Q506L,R ,

IC751L,R
Q401L,R
Q402L,R
Q403L,R
Q404L,R
Q405L,R

Q551
Q552
Q553 2327334
Q554 2327363
Q555 2327363

2327913

for

DC

POWER

2367341
2327903
2327903
2327923
2327923

2327923
2327363 2SC1345

2327743

I 2SCI775 ®

SUPPLY PRINTED WIRING BOARD

HA1457
2SA872A®

2SA872A®
2SCI775A
2SCI775A ®
2SCI775A ®

®

2SA836
2SCI213@
2SC1345
2SC1345

®

®
®

II

ZD701L,R

ZD702L,R
ZD703L,R
ZD704L,R

" ZD705L,R

D702L,R
D703L,R

II

D705L,R 2328041 ISS62

®

D708L,R

D710L,R
D7IIL,R
D712L,R 2328031
D713L,R
D714L,R

2337122
2337122
2337104
2337104
2337122
2328041 ISS62
2337011

2337151 IS2076A

2328041
2328031

23370II
2337011

HZ-6B
HZ-6B
HZ-12A-l
HZ-12A-l
HZ-6B

IS2076

ISS62
U06C
U06C

lS2076

IS2076

I

•

-34-

HITACHI

SR-2004

e

SYMBOL

NO.

VA701L,RI 2347122
VA

\.

702L,R 2337302

0004
0005
0006
0007
0008
0009
0010
0011
0012
0013

0601
0602

0501 2337011
0581L,R
0582L,R
0583L,R
0584L,R 0575002

STOCK

NO.

I MV·IY

SO-5

for LED PRINTED WIRING BOARD

2337411
2337411
2337411
2337411
2337501
2337411
2337501
2337411
2337411
2337411

for TONE PRINTED WIRING BOARD

2337011

2337011

I

for SWITCH PRINTED

0575002
2337011
2337011

LEO (REO)
LEO (REO)
LEO (REO)

LEO
LEO (GREEN)
LEO (REO)
LEO (GREEN)
LEO (REO)
LEO
LEO (REO)

152076

152076

I

152076

IN34A
152076
152076

IN34A

(REO)

(REO)

WI

OESCRIPTION

RING BOARD

SYMBOL

NO.

0014

0016
0017
0018
0019

STOCK

NO.

2337235

2337011 IS2076
2337011 152076
2337011
2337011

I

for RELAY PRINTED WIRING BOARD

0556
0557
0558

R242

R319
R320 0151226
R321 0151271
R322
R323

2337011I152076
2337011 152076

2337011

for

IF

PRINTED

0151226

0151284

0151284
0151284

LEO (for PROTECTION ind.)

152076
152076

I

152076

VARIABLE

100k.n-

300k.n­100k.n-

6.8k.n­300k.n­300k.n-

RESISTORS

WIRING

(B)

(B) (for stereo trigger adj.)
(B) (forFMoutput

(B) (for

(B) (for separation adj.)
(B) (for separation adj.)

OESCRIPTION

BOARD

(for signal meter)

VCO

adj.)

adj.)

e

e

for

DC

POWER

Z0551
Z0552
Z0801
Z0802
ZD803 2337068 AWOI-20
Z0804
Z0805
Z0806
Z0807

5CR551 2337091

0551
0552
0553
0554
0555

0901
0902

0902

0001
0002

2337068 AWOI-20
2337122
2327075
2327075

2337068 AWOI-20
2337184
2337068
2337068 AWOI-20

2337011
2337011
2337011 152076
2337083

2337083 W06C
0575019
0575019 IN60P (forOCcircuit)

for

2337011

I

for CHASSIS ASSEMBLY

2337311

2337311 55188

I

SUPPLY PRINTED WIRING BOARD

HZ-6B
AWOl-30
AWOI-30

HZ-16-1

AWOI-20

CWOIB

152076

152076

W06C

IN60P (for

AC

PRINTED WIRING BOARD

I 152076

I 55188

OC

circuit)

for

MAIN

AMPLIFIER

0151301 I 300.11-

R745L,R

R651L,R
R652L,R 0156152
R653L,R 0159105
R654L,R
R655

R584L,R

R003

I

for TONE

0159141

0156152
0156161

for SWITCH

0151255 I

I

for CHASSIS ASSEMBLY

0151835 I

I

PRINTED

PRINTED

WIRING

162k.n (32 - contact detent volume)

200k.n­200k.n­200k.n­200k.n-

3k.n-

(B)

50k.n-

COILS & TRANSFORMERS

for

IF

PRINTED WIRING BOARD

1201 2227119 Choke coil

1202

T251

T252

2227081 Choke coil (If.!H)

AM

2134446

2134431

AM

RF coil
05C

PRINTEDWIRING BOARD

(B)

BOARD

(B) (BA55)
(B) (MIDRANGE)
(B) (TREBLE)

(W) (BALANCE)

WIRING BOARD

(for power meter)

(B)

(MIC

MIXING)

(l8f.!H)

coil

-35

-

HITACHI

SR-2004

SYMBOL

NO.

L701L,R I
L702L,R

L703L,R I 2227261 I Audio trap coil (2.5,uH)

STOCK

for

MAIN

2227261 Audio trap coil
2227261 Audio trap coil (2.5,uH)

for DC POWER SUPPLY

NO.

1

AMPLIFIER

DESCRIPTION

PRINTED

(2.5,uH)

PRINTEDWIRING

CR MULTIPLE COMPONENTS for

CP201 I

CP202
CP301

CPOOI
CPOOI

forIFPRINTED

2134761
2154271
2134751 Leak filter

for CHASSIS ASSEMBLY

0269017 Spark killer (for U.S.A.)
0269019 Spark killer (for Canada)

WIRING

LC

block filter

FM

IF transformer

BOARD

MECHANICAL FILTERS

I

MF201
MF202
MF203

MF251

forIFPRINTED

2154351
2154351
2154351

2154181

WIRING

Ceramic
Ceramic
Ceramic

AM

IF transformer

SAW
SAW
SAW

BOARD

filter
filter
filter

FUSES

for

MAIN

F701L,R
F702L,R

F002
F901
F903

FOOl

AMPLIFIER

2727548 Wired in fuse (6A)

I

2727548 Wired in fuse (6A)

for AC

PRINTED

2727547 I Wired in fuse (5A)
2727546 Wired in fuse (4A)
2727591 Thermal fuse (2A)

for CHASSIS ASSEMBLY

2727571 I Fuse

PRINTED

WIRING

(I5A)

WIRING

WIRING

BOARD

BOARD

BOARD

BOARD

SYMBOL

NO.

S501,607,1 2638002
608

S502,503,

504,505

S506,507

S508-510 I 2638003 I Push switch (for SPEAKERS)

SOOI

STOCK

NO.

for SWITCH

I 2638121

2637992

METER

for CHASSIS ASSEMBLY

PRINTED

Push switch (for MODE, LOUDNESS,

ADAPTOR)
Push switch (for

Push switch (for

PRINTED

WIRING

WIRING

I 2637863 I Power switch

DESCRIPTION

BOARD

MPX

NOISE FIL. Others)

LOW,

BOARD

RELAYS

RELAY

for

RY552-55412647131 I Relay forSPindicator

for DC POWER SUPPLY

II

RY551
RY901

RY902

RY901

2647131
2647061

2647062

for AC 'PRINTED

I2647141 I Power relay

PRINTED

PRINTED

Relay
Reed relay

Reed relay

WIRING

WIRING

BOARD

WIRING

BOARD

MISCELLANEOUS

IF printed wiring board assembly
Main

amplifier printed wiring board assembly

AC

printed wiring

Relay printed wiring board

DIN

printed wiring board assembly

LED

printed wiring board assembly
Tone printed wiring board assembly
Switch printed wiring board assembly
DC

power supply printed wiring board assembly

3<1>

x 12CT bind-screw

5 pin miniature connector

2 pin miniature connector
3

<I>

x 6

CT

4P

US

pin jack with DIN
Microphone jack
Heat sink for diode

boar<;l

bind screw

assembly

J501

2506721
2506731
2506641
2506741
2506791
2506781
2506761
2506751
2506771

4567414

2667284
2667281
4567411
2677441
2677441
4785121

e

HIGH FILTER)

BOARD

e

assel1).bly

S601
S602
S603
S604
S605
S606

for

TONE

2617811
2627121
2627111
2627122
2627112
2627122

SWITCHES

PRINTED

WIRING

Rotary switch (for FUNCTION)
Lever switch (for TAPE COPY)
Lever switch (for TAPE MONITOR)
Lever switch (for AUDIO MUTE)
Lever switch (for TREBLE TURNOVER)
Lever switch (for

BOARD

BASS

TURNOVER)

-36

for

FINAL

3244894
3244895
3282398
3284582
3284583
3284584
4401391
4401401
0626226
4567431

ASSEMBLY

Escutcheon assembly (for U.S.A.)

Escutcheon assembly (for Canada)
Knob - push knob (POWER)
Knob - push knob (SPEAKERS)
Knob-

push knob
Knob - push knob
Series E badge (for U.S.A.)

Dynaharmony badge (for Canada)
Nut (for badge fixing)

<I>

x 6CTbind screw

3

(LOW,

HIGH FILTER)

(MPX

NOISE FIL. Others)

•

-

HITACHI

SR-2004

e

e

\.

SYMBOL

NO.

STOCK

NO.

3284552
3284041

3284001
3284531
4363981
3284621
3284561
4567441
4400712
4567446
3922041
4567427
4743421
4743422
4743423
4743853

for

DIAL

MECHANISM

3199933
4400611
3387261
0666704
3337201
3900241
4684741
4684742
3926151 Scale
4567431
4567433
2577281
2577286

for CHASSIS ASSEMBLY

DESCRIPTION

Knob

- lever

knob

(BASS TREBLE, Others)

Knob

- BASS, MiDRANGE, TREBLE,

BALANCE

Knob

- FUNCTION
Knob-MIC
Spring
Knob - TUNING
Knob
4</>

x 6 CT bind screw
Ventilator
4</>

x 16crbind screw

Leg

4</>x20

Ring (for
Ring (for TONE CONTROL, BALANCE)
Ring (for FUNCTION)
Ring (for LEVEL ATTENUATOR)

I

Dial scale
Blind
Dial pointer
Clip
Spring

Lamp cover assembly
LED cover
LED cover

3</>

x 6 CT bind screw (Black)

3</>

x 8 CT bind screw
Level meter (for Tuning meter)
Level meter (for Power meter)

MIXING

- LEVEL ATIENUATOR

CT bind screw

MIC

MIXING)

ASSEMBLY

dot

SYMBOL

NO.

LOOI

1002

STOCK

NO.

2687451 6P terminal board
2667491 Cord with 5P connector
2667492
2667501
2667502
2667503 Cord with
2667511
2748633 Fasten cord
2657381 Socket - Transistor socket

4401601 Transistor cover

2667493
2667494

for REAR

3913001
3913006
4090092
4567433

4567453
4568853
4568832
4784106

2748781

2657461
2687794 4P push terminal

2677371

2677383
2677381 2PUSpin jack

2687841 Antenna terminal

2757275

2667391

2120871 Balun transformer

2748634

I 2747371 I

Cord with 5P connector (for power supply)
Cord with 2P connector

Cord with 2P connector (for

Cord with 2P connector (for input)

Cord with 5P connector

Cord with 5P connector (for power transistor)

PLATE

ASSEMBLY

Bushing (for AC power cord)
Bushing
Earth

3</>

x 10 CT bind screw (Black)

3</>

x 10 CT bind screw (Silver)

3</>

x 10 CT screw

3</>

x 8 CT screw

3</>

x 10 CT bind screw

AC

power cord

Socket

4P

US

6P

US

Ferrite antenna
Joint

plug

Fasten
FM Antenna

DESCRIPTION

2P

connector (for ASO)

(for

ferrite antenna)

screw

-ACsocket

pin jack
pin jack

cord

output)

e

4567411
4567431
3917802 Washer
4571933
3917522
3920802
4567451
4567441
4567423
4567415

TOOl

FE001
J001 2677201

2218561
2727462

2425051

4</>

x 6 CT bind screw (Yellow)

3</>

x 6CTbind screw (Black)

-1O</>

Flywheel, assembly
Washer
Pulley

3</>

x 6 CT bind screw (Silver)

4</>

x 6 CT bind screw (Black)
4</>xl0CTbind screw (for fuse holder fixing)
3</>

x 14 CT bind screw

Power transformer

Holder - fuse holder

Tuner pack

Jack - Headphone jack

washer (for

Mic,

Headphonejack)

for

CABINET

I 9403069 I

ASSEMBLY

Cabinet assembly (Walnut)

-37

-

HITACHI

SR-2004

FRONT

o

POWER

8 PHONES

..

TURNOVER

o

BASS

• MIDRANGE CONTROL

AND

SWITCH

JACK

SWITCHES

CONTROL

o TREBLE CONTROL
o

BALANCE

8

AUDIO

o

VOLUME

411>

TAPE

CD

TAPE MONITOR

«D

FUNCTION

til

MIC

4Il

MIC

6)

TUNING

4D

PROTECTION

4B

POWER

4D

SPEAKER

4D

LOW

MUTE

CONTROL

COPY

JAC
MIXING

KNOB

METERS

SWITCHES

FILTER

CONTROL

SWITCH

SWITCH

SWITCH

SWITCH

VOLUME

INDICA

SWITCH

REAR

CONTROL

TOR

PANEL· PANNEAUX

~

HIGH

fD

o

@)

f)l

•

~

fj

@)

~

(l)

..

o

Q)

~

Ol

@D
@)

~

FILTER

DIAL

POINTER

FM

STEREO INDICATOR

FM

AUTO

MPX

NOISE FILTER

FM

MUTE/AUTO

IF

BAND

FM

MULTIPATH

PROGRAM

MODE
LOUDNESS
SIGNAL METER
TUNING
ADAPTOR
SPEAKER INDICATORS
PHONO·I
PHONO·2
AUX

INPUT

TAPE·]

SWITCH

LOCK

INDICATOR

SWITCH

LOCK

SWITCH

SWITCH

SOURCE INDICATORS

SWITCH

SWITCH

METER

SWITCH

INPUT

TERMINALS

INPUT

TERMINALS

TERMINALS

PLAY

TERMINALS

SWITCH

AVANT

ET

ARRIERE

Gl

TAPE·]

REC

OUT

Gl

TAPE·l

$ TAPE·2

o TAPE-2

tl

61

Ql

Ql

•

Ql

•

•

•

•

AM

•

AM

I)

SPEAKER TERMINALS

• GROUND TERMINAL

DIN
PLAY

REC
ADAPTORINTERMINALS
ADAPTOR
FM

MULTIPATH TERMINALS

PRE

OUT

TERMINALS

MAININTERMINALS
AC

OUTLET

POWER

SUPPLY CORD

FM

ANTENNA SOCKET

FM

ANTENNA TERMINAL

ANTENNA TERMINAL
BAR

ANTENNA

REC

PLAY

TERMINALS

OUT

OUT

TERMINALS

TERMINALS

TERMINALS

e

SOCKET

e

o INTERRUPTEUR SECTEUR

8 ECOUTEURS STEREO PHONIQUES

..

COMMUTATEURSDERENVERSEMENT

o

COMMANDEDEGRAVE

•

COMMANDEDEFREQUENCE MOYENNE

o

COMMANDE

o

COMMANDE

8

COMMUTATEURDESOURDINE AUDIO

o

COMMANDEDEVOLUME

Cl!J

COMMUTATEURDECOPIEDEBANDE

CD

COMMUTATEURDECONTROLEDEBANDE

«D

COMMUTATEURDEFONCTION

til PRISE

4J)

COMMANDEDEVOLUMEDUMELANGE

..,

BOUTON

41

LAMPE

4B

WATTMETRES

Cl

INTERRUPTEURDEHAUT·PARLEURS

4D

COMMUTATEURDEFILTRE PASSE·BAS

tJ)

COMMUTATEUR

fD

AIGUILLEDECADRAN

D'AIGU
D'EQUILIBRAGE

DE

MICROPHONE

D'ACCORD

INGICATRICEDEPROTECTION

HAUT

FILTRE

MICRO

o INDICATEUR STEREO

@)

INDICATEURDEVERROUILLAGE AUTOMATIQUE

f1)

COMMUTATEURDEFILTREDEBRUIT

fj)

COMMUTATEURDESOURDINE FM/VERROUILLAGE

AUTOMATIQUE

~

COMMUTATEURDEBANDE

fj

COMMUTATEURDETRAJETS MULTIPLES

FI

@

MPX

FM

Hitachi,

FM

~

INDICATEURSDESOURCEDEPROGRAMME

~

COMMANDEDEMODE

'Ji CORRECTEUR PLYSIOLOGIQUE

..

INDICATEUR D'ACCORD

~ METREUR

Q)

COMMUTATEUR

~

INDICATEURSDEHAUT·PARLEURS

Ol

BORNE D'ENTREE PHONO·]

@D

BORNE D'ENTREE

@)

BORNE D'ENTREE AUXILIAIRES

~

BORNE

Gl

BORNE

Q) PRlSE

$ BORNE

~

BORNE

OJ

BORNE D'ENTREE D'ADAPTATEUR

Gl

BORNEDESORTIE D'ADAPTATEUR

Ql

BORNEDETRAJETS MULTIPLES

• BORNES

•

BORNES

ED

SORTIE

DE

SYNTONISATION

PLAYBACK
REC

OUT

DINDETAPE·]

PLAYBACK

REC

OUTTAPE-2

AVANT
D'ALIMENTATION

C.A.

$ CORDON D'ALIMENTATION C.A.

• PRlSE D'ANTENNE
..

BORNE D'ANTENNE

• BORNE D'ANTENNE

il

ANTENNE ATIGE

• BORNES D'ENCEINTES

6'

PRlSEDETERRE

Ltd.

Tokyo

D'ADAPTATEUR

PHONO-2

TAPE·I

TAPE· I

TAPE-2

SORTIE

FM

FM,
AM

AM

""apan

FM

Head Office

Tel.

Cable Address

5-1, 1-ehome, Marunouchi, Chiyoda·ku, Tokyo, Japan
Tokyo (212)
"HIT

1111

ACHY" TOKYO

(80l~e~

Printed in Japan (H)