Hitachi HA-2800 User manual

No. 263 EGF
HA-2800
HA-1800
CONTENTS
SPEC|F|CAT|ONS.. ..'.....'..1
FEATURES.. .......3
DESCRIPTION OF THE NEW CIRCUIT.....3
BLOCK DIAGRAM ,..,..4
PRINTED WIRING BOARD ......"."5
crRcutT DTAGRAM ........6
RPTNTED WtRtNG BOARD .....'........'..'.7
CIRCUIT DIAGRAM .....".."8
DISASSEMBLY AND REPLACEMENT.......9
REPLACEMENT PARTS LIST...."'10,11,12,13
FRONT AND REAR PANEL .................14
SAIETY PRECAUTION
SPECIFICATIONS
Power output
(Both channels driven)
Power bandwidth
Frequency characteristics
TUNER. AUX (HA.I 8OO). TAPE
PHONO
Harmonic distùrtion (8 ohnrs)
(at rated output)
(at I /l rated output)
lnlernrodulation distortion
(at I /2 rated output)
lnpuî sensitivity/lmpedanee
PHONO
TUNER, AUX(HA-r800)
TAPE PLAY
25 watts* per channel, min.
RMS, at 8 ohms from 40 Hz to
20 kHz, with no more than O.l%
toîal harmonic distortion.
15 W/ch + l5 W/ch
(4/8 ohms. I kHz. T H.D..0 l%)
l0 Hz -30 kHz
(8 ohrns. T H.D 0.1% l/l Rated)
l0 Hz - 40 kHz (+l 0.-30 dB)
RIAA t 0.5 dB
Less than 0 l%
kss than 0.1%
kss than 0.1%
1.5 mVi47 k-ohms
150 nrV/40 k-ohms
150 mV/40 k-ohms
Output level
TAPE REC OUT
Phono overload level (at I kHz )
Signal-to-noise ratio (lHF, A network)
PHONO
TUNER, AUX (HA-I 8OO). TAPE
Damping lactor
Bass control
Treble control
L.oudhess control
Subsonic fìlter
Power supply
Power consumption
Dmensions
Weight
150 mV
ll0 mV
7l dB
93 dB
20 (l kHz" 8 ohms)
t8dB(l00Hz)
t8dB(l0kHz)
+6dB(l00Hz)
+ 4 dB (10 kHz)
l0 Hz
AC I 20 V 60 Hz, - 210 V 50/60 Hz
- 240V 50/ó0 Hz or
- I 20 V/ll0 v 1240 V 5o160 Hz
90 W (at l/10 rated ourput)
140 W (at I /3 rated ourput)
210 W (at rated out!ut)
435 (W) x 83 (H) x 243 (D) mm
4 8 kg (HA-2800)
4.6 kg (HA-l 800)
tMeasured pursuant to the Federal Trade Commission's Trade Regulation
Rule on Power Output Claims for Amplifiers.
The following precautions should be observed when servicing
1. Since many parts in the unit have special safety related characteristics, always use genuine Hitachi's replacement parts Especially
critical parts in the power circuit block should not be replaced with other makers.
Critical parts are marked with A in the schematic diagram and circuit board diagram.
2. Before returning a repaired unit to the customer, the service technician must thoroughly test the unit to ascertain that it is completely
safe to operate without danger of electrical shock
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
STEREO AMPLIFIER
May 1981 TOYOKAWA WORKS

HTTACHI HA-2800/1800
TECHNISCHE DATEN
_ SIC H ERH EITSiIASSNAHTIIEN
Bei Wartungsarbeiten sind die folgenden SicherheitsmaBnahmen zu beachten:
.l Da verschieclene Teile dieses Geràtes Sicherheitsfunktionen aufwejsen, nur
Netzteil sollten nicht durch ahnliche Teile anderer Hersteller ersetzt werden
der Schaltplantinen mit dem Symbol Agekennzeichnet
2 Vor der Auslieferung eines reparierten Geràtes an den Kunden muB der Wartungbtechniker das Geràt einer grùndlichen Prúfung
unterziehen, um sicherzustellen,daB sicherer Betrieb ohne die Gefahr von elektrischen SchlArgen
Ausgangslei stung
DIN 4/8 Ohm
[ristungsbandbreite
Frequenzcharakterist ik
TUNER, AUX (HA-1800), TAPE
PHONO
Klirrfaktor (8 Ohm)
(bei Nennleistung)
(bei halber Nennleistung)
Intermodulations-Verzerung
(bei halber Nennleistung)
Eingangsempfindlichkeit/Impedanz
PHONO
TUNER, AUX (HA-1800)
TAPE PLAY
Puissance de sortie
Bande passante
Caractéristiques de fréquence
TUNER, AUX (HA.l8OO), TAPE
PHONO
Distorsion harmonique (8 ohms)
(à la puissance nominale)
(à la moitié de la puisance nominale)
Distorsion d'intermodulation
(à la moitié de la puissance nominale)
Sensibiùté d'entrée/lmpédance
PHONO
TUNER, AUX (HA-1800)
TAPE PLAY
25 Watt/Kanal + 25 Watt/Kanal (beide
Kaniile ausgesteuert an 8 Ohm,4O Hz
- 20 kHz, T.H.D. 0,17,)
25 Watt/Kanal + 25 Watt/Kanal
(an 4/8 Ohn, I kHz, T.H.D.,0,17o)
l0 Hz - 30 kHz (an 8 Ohm,
Klirrgrad 0,1 %, halbe Nennleislung)
20 Hz - zlo kHz (+ 1, 0 - 3,0 dB)
RlAA-Kennlinie 10,5 dB
Kleiner als 0,1%
Kleiner als 0,1%
Kleiner als 0,17o
2,5 mV/47 kOhm
150 mV/,10 kOhm
150 mV/40 kOhm
Original-Hitachi-Ersatzteile verwenden. Kritische Teile im
Alle kritischen Teile sind im Schaltplan und im Diagramm
150 mV
120 mV
72 dB
93 dB
20 (l kHz, 8 Ohm)
t 8 dB (100 Hz)
t 8 dB (10 kHz)
+ 6 dB (100 Hz)
+ 4 dB (10 kHz)
2OHz
Wechselstrom l2O Y 6O Hz,
- 220 v s0l6o Hz,
- 240V 50/60 Hz oder
- t20 v 1220 v 1240 v 50/60 Hz
Leistungsaufnahme 90 W (bei l/10 Nennleistung)
140 W (bei l/3 Nennleistung)
210 W (bei Nennleistung)
Abmessungen a35 (B) x 83 (H) x 243 (T) mm
Gewicht a,8 kg (HA-2800)
. a,6 kg (HA-1800)
Anderungen der Konstruktion und technischen Daten bleiben im
Sinne der stàndigen Verbesserung vorbehalten.
î
Ausgangspegel
TAPE REC OUT
Phonoúberlastungspegel
(bei I kHz )
Geriuschspannungsab stand
(IHF, A-Netù
PHONO
TUNER, AUX, (HA-I800) TAPE
Dàmpfungsfaktor
Tiefeneinstellung
Hóheneinstellung
Gehórrichtige
I-aut stiirkekorrekt ur
Subsonicfi lter-Schalter
Netzspannung I
'ì
25 W/can. + 25 W/can. (deux canaux en
fonction sous 8 ohms,40 - 20 000 Hz,
D.H.T.0,17")
25 tt'l I can. +251Ì'l I can.
(4/8 ohms, 1 kHz, D.H.T.,0,17,)
l0 Hz - 30 kHz (8 ohms, D.H.T.,0,1%,
1 l2 de la puissance nominale)
20 Hz - 40 kHz (+ l, 0 - 3,0 dB)
RIAA 1 0,5 dB
Inférieure à 0,1%
Inférieure à 0,1%
Inférieure à 0,1%
2,5 mV/47 kohms
150 mV/zl0 kohms
150 mV/zl0 kohms
Niveau de sortie
TAPE REC OUT
Niveau de surcharge phono
(à I kHz)
Rapport signal/bruit
(IHF, réseau A)
PHONO
TUNER, AUX, (HA-1800) TAPE
Facteur d'amortissement
Réglage de graves
Réglage des aigués
Correction physiologique
Filtre subsonique
Alimentation
Consommation
Dimensions
Poids
150 mV
120 mV
72 dB
93 dB
20 (l kHz,8 ohms)
t 8 dB (100 Hz)
t 8 dB (10 kHz)
+ 6 dB (100 Hz)
+ 4 dB (10 kHz)
2OHz
CAl20V60Hz'
- 220V 5O160Hz,
- 240v sol60Hz
ou - 120 Vl22OVl240V
s0l60Hz
90 W (à I /l 0 de la puissance nominale)
140 w (à l/3 de
la puissance nominale)
210 W (à la puissance nominale)
a3s (L) x 83 (H) x 243 (P) mm
4,8 kg (HA-2800)
a,6 kg (HA-1800)
Les caractéristiques techniques et la présentation peuvent Ctre
modifiées sans préavis pour des raisons d'amélioration.
Les prècautions suivantes doivent ètre observées chaque fois qu'une reparation doit ètre laÍte.
't Etanî donné que de nombreux composanls de l'appareil possèdent des caractéristiques relatives à la sécurité, utiliser uniquemenl des
pièces de rechange d'origine Hitachi pour effectuer un remplacement. Ceci se rapporte notamment aux pièces critiques du bloc
d'alimentation qui ne doivent en aucun cas ètre remplacées par celles d'autres fabricants. Les pièces critiques sont accompagnés du
symboleAdans le schéma de montage et sur le schéma de plaque de càblage
2. Avant de retournér I'appareil réparé au client, le technicien doit procèder à un essai complet pour s'assurer qu'il ne présente aucun
danger de chocs électriques.
CARACTERISTIQU ES TECH NIQUES
-2-
ît

I
FEATURES
l. Low-distortion power amplifier
-, 2. 14-LEDs power indication (HA-2800)
3. LED Function indicator (HA-1800)
4. Connection facilities for two pairs of
speakers
New lGs in the Equalizer
Subsonic filter that cuts out rumble and wow
in the ultralow frequencies without impairing
the sound quality
Sleek and chic design
5.
6.
7.
MERKMALE
1. Verzerrungsarmer LeistungsversiSrker
2. 14-LED-Leistungskontrollen (HA-2800)
3. LED Funktionsmesser (HA-f800)
4. AnschlulJeinrichtungen
lijr zwei Lautsprecherpaare
5.
6.
7
Neue integrierte Schaltkreise (lCs) im Phono-
Entzerrer
Subsonic-Filter unterdr'tickt Rumpeln und Jaulen
in den extrem niedrigen Frequenzen, ohne die
Klangqualitàt zu beeintràchtigen
Schnittiges, modernes Design
CARACTERISTIQUES
1. Amplificateur de puissance à faible distorsion
2. lndication de puissance par 14
diodes (HA-2800)
3. lndication de fonction de diodes (HA-1800)
4. Possibilité de raccordement de deux
paires d/enceintes
LED power meter drive circuit
7 LEDs per channel are used to indi-
cate output level. These LEDs are
driven by meter circuit; the relation-
ship between the output level and the
number of LEDs lit when 8O speakers
are connected is as shown in Fig. l.
:
De nouveaux circuits intè-glés dans le correcteur
Un filtre subsonique qui permet de supprimer le
rumble et le pleurage dans les très basses
fréquences sans réduire la qualité du son
Construction 6tégante et mince
5.
6.
7.
DESCRIPTION OF THE NEW CIRCUIT.
HINWEIS FUR DEN ERSATZTEIL AUSTAUSCH.
REMARQUES CONCERNANT LE REMPLACEMENT DES PIECES
Treiberkreis fiir LED-Leistungsmesser
Der Ausgangspegel wird mit Hilfe von
fùnf LEDs pro Kanal angezeigt. Diese
Leuchtdioden werden úber den Instru-
mentenschaltkreis angesteuert. Der
Zusammanhang zwischen dem
Ausgangspegal und der Anzahl der
eingeschalteten LEDs bei Verwendung
von 8 Ohm Lautsprechern ist in Abb.l
dargestellt.
Circuit d'excitation d'indicateur de
puissance à diodes électroluminescentes
Use rampe de 7 diodes électrolumines-
centes est utilisée pour que le niveau
de sortie soit précisément indiqué. Ces
diodes électroluminescentes sont
excitées par un circuit congu à cet
effet; le rapport qui existe entre le
niveau de sortie et le nombre de diodes
électroluminescentes allumées quand
des haut-parleurs à impédance de 8
ohms est représenté sur la figure l.
*
.a:
o
o
o
40
10
4
')
o.2
0.04
0 005 oo
oo
1234567
POWER
OUTPUT Fig. l.
Abb.l
-3-

HrrAcHr HA-2800/1800
DIAGRAM.BLOCK SCHEMA.SCHMA
TAPE VOLUME
BALANCE
CONTROL
LOUDNESS
SW.
POWER
TRANSISTOR
PROTECTION
FUSE
PHONO
TUNER
t- REC
TAPE
L-puv
20Hz
AC120V 60Hz
-220Y 50/6OHz
-240V 5O/6OHz
-12Ov /22OY /24Ov
POWER
SW
SWITCHED
(for U.S A, Canada, 100W MAX
Asia & Latin
America) (forUSA
& Canada)
MAIN AMP +B
EOUALIZER AMP +B
EQUALIZEF AMP -B
MAIN AMP -B
î-
î
UNSWITCHED
1OOW MAX
PHONO
TUNEH
AUX
T REc
TAPE
Lpuy
AC120V 60Hz
-220V 50/60H2
-240Y
FUNCTION
SW
TAPE
MONITOR
sw.
VOLUME SUBSONIC
CONTHOL FILTER SW
\ LOUDNESS
\SW
I
POWER
TRANSISTOR
PROTECTION
FUSE
SPEAKER
SW
A SPEAKER
B SPEAKER
HEADPHONES
î
TONE
CONTROL
UNSWITCHED
IOOW MAX
(forUSA,Canada,
Asia & Latin
America)
SWITCHED
IOOW MAX
(forUSA
& Canada)
MAIN AMP +B
ZER AMP. +B
EQUALIZER AMP -B
MAIN AMP -B
POWER IND. +B
-4-
îi

HTTACHT HA-2800/1800
PRINTED WIRING BOARD.PRINTPLATTEN.PLAN DE BASE
{
rl
I
I
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i
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Ii
'ì I
I
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TAPE IV]ONITOR LOUDNESS

I
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1,.
,*.,
0,015
0.005
_<) 7
0
-0.2€,
To Dower supDly cord
/far l,K, , Austrol ic
I Fronce, l,,i,Germoilv,
\Sweden 8 Switzerion
To power suDply cord
(for u,S.A, 8 Canodo
I lo AC oJtlel urov
f--1 -o flse lotdet '=-
1fo'Asìo 8'.orin Amerrconi u'a)
\countries,etc, )
Gray (for U.K, & Austroli0) To Power trons'
white /f o. rronce, lll.Gernonv,\ -, î=--r-
\SwedenRswiîTeriond I I I
White (for U,K, & Austrolio)
ùay ('ú Fronce, l.l.Gernory,\ -l
R732
BASS
(for U.S,A. I Canodo)-
s704
B
\
R730
BALANCE R733
TREBLE sTcl
A
-5-
LSPEAKERS Sl,1.J

CIRCUIT DIAGRAM.SCHALTPLAN.PLAN
r---
rl
Rch
(Same as Lch )
tllr
A P.T
i- - - - l"l-tl:r: -1'-::1)- -
DE CIRCUIT
n
ll
ti
TUNER
REC
PLAY
4.86
R804 3.9K
PHONO lljtl5580I ,oorL
il'^ R4o6L 1/50
c410 100/25
;33':'3iib
ON OFF
S701a SiÙZè
3Èl- ?rr
ùP r zoo[--ie
o'Jffi
-I?0',1 I2A
-220V T1A
-240V T1A
ra
- 120V
-220\t
-240V
50/60H2

HtrAcHr HA-2800/1800
CAUTION: Fuse resistors are used to improve safety (to protect the circuitl. When replacing them with
new ones, be sure to use the designated îype. Always use the designated fuse without fail.
ZUR BEACHTUNG: Schmelzwiderstànde sind zur Erhóhung der Sicherheit vor gesehen (zum Schuîz der
Schaltung). Bei Austausch bitte nur die vorgeschriebene Type benutzen. Vergewissern Sie sich. daÉ die
richtige Type gpwàh1î ist.
ATTENÍION: Les résistance à fusible sont faites pour améliorer la sécuriîé de l'appareil (protection de
circuÍt). Pour les remplacer, utiliser le méme type. Utiliser toujoun le modèle de fusible sÉcifió pour
effectuer le remplacement.
It
RB02 180(2l^l) for !l.Germany
ào
0802 ERB12-01R
scR801
TT2O1
IAC Outlets
0.01
R72 1L
o
o
!
N
l
-lt
c705
680(1/2l.])
R7221-M/--
680(1/2H)l\ |
R721R\
680 (1/2tú) r
OFF
F2.54(except U.S.A. & Canada. )
3A (for U.S.A. & Canada. )
R733
20K-(c)
@
zD90
RD3 .9E
ll
The circuit symbol f ^@ I means a fuse resistor. When replacing at with new one, refor to the CAUTION on page 6.
Das Schaltsymbol ( @ l:teht fúr Schmelzwiderstand. Beim Austausch bitte Seite 6 ZUR BEACHTUNG nachloson.
Le symbole-de circuil( @ ) signifie qu'il s'agit d'une rósistance à fusible. Consulter les inrtrustion3 -ATTENTION" de la
page 6 pour effectuer son remplacement.
I
I
-I
I
J
R704L
2.7K
rs Lch )
FlA C
TIA 0
s703
SPEAKER A
c7 131
L/ 50
-220Y
50Hz
r---a
q 1,Ar
POI,IER METER UNIl
D801
s4vB20
c802 0.01/500
tc70l
sI t(-{ 6 3
L7O1L I J ^
2.suH J R- s
181 0.33(ll/j)
070rr
2SCl740
c7 101
47/6.3
s704
SPEAKER B
c7ìtL
R7111
tlu e 8 7 6 4 3 2 t
lRchll

HrrAcHl HA-2800/1800
PRINTED WIRING BOARD.PRINTPLATTEN.PLAN DE BASE
[ :*8, ,-B, I:Eorlh, ..,'. ':Otherl
lrq
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TAPE IV]ONITOR LOUDNESS
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I To AC outlet Érown
/--1 To fuse hold€r-
/for Asio &'Lotin Americon\ G'aY
\countries,etc, )
Ìo Power trons,
Gray (for U.K. & Austrolio)
white /for Fronce, Í.Germony,\
lsweden e Switzerlond i
White (for lJ,K. & Austrolio)
Grav /for Fronce, l{,Germony^
' lsweden s Swltzerlond /
-'---î--
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îo Dower suDPlY cord
/fot U,K,, Austrol io \
I Fronce, l{, Germorìy, l
\SHeden I St{itzerlond/-
To Dower supply cord {
(for u.S.A. & Conodo)
-7-
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DIAGRAM.SCHALTPLAN.PLAN DE CIRCUIT
îI
T
PH0N0 I L
c409 r00/25
i Rch (Same as Lch )
L---
I
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(Same as Lch )
REC
PLAY I
l- J
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H|TACHt HA-2800/1800
GI\ :JL
)OI,JER
LAMI
INDI.
t-
802 270(2W\ IAp.r
r-----1
7.6
D802 ERBl2-0 Z\AC 0utlets
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R8o8 tK *: 3l- I2qA
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ON OFF
R7O4L
L----- J
TII c1
& Canada. )
Janada. )
0.01
0 801
2SC174
(
0
\0.66- 6.94 R806 3K c801
Cl zoiòz
RC6.8ENI R807
oó
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ooo
ISOKt- c802
S.A
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Noi( l! 3 2.54
R7151 I K
250V ( excep
F3A(for U
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S.I
tc70
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20K-(C)
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R721R 68t
R722R 681
l/ 2l,/'\
r/?Ll.\
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Rch (Same as Lch ) i
'l I
1/2W\
r/2!/')
J
@
-I
ans a fuse resistor. when replacing it with new one, refer to the cAUTloN on page 6.
t fùr Schmelzwiderstand. Beim Aufausch bitte Seite 6 ZUR BEACHTUNG nacÈteren.
signifie qu'il s'agit d'une rósistance à fusible. Consulter los in3tructions "ATTENTION" de la
placement.
-8-

HITACH! HA-2800/1800
DISASSEMBLY AND REPLACEMENT.ZERLEGUNG UND AUSTAUSCH.
DEMONTAGE ETREMONTAGE
4lx.10DT bind
(x4)
a
double thread(x4)
r@ 31x10 bind
double thread(x3)
30xODT bind
@,<,'
4lx10DT bind
(x4)
f; -l--5\
,,/ \ 3lx8DT bind
3@x10 bind
double thread(x3)
*-\E:V4.
a
"\ìf,Lnl.
lÎ o tappins(x2)
\{m N

REPLACEMENT PARTS LIST.ERSATZTEILLISTE. TABLEAU DES PIECE
EElflirtrdr
SYMBOL
NO. PART NO. DESCRIPTION
CAPACITORS
c402LR
c403LR
c404LR
c405LR
c406LR
c407LR
c409
c4r0
c702LR
c703LR
c705LR
c706LR
c707LR
c708LR
c709LR
c71OLR
cTllLR
c7l 2LR
C7I3LR
C7I4LR
c7 l 5LR
c7l6LR
c7 17
c7l 8LR
c7 I 9LR
c80l
c802
c803
c804
c805
c80ó
c807
c81 0
c8l l
c90lLR
c902LR
AC
AC
I
02't6013
025281 lK
02750 l 3
02740tt
02't6012
02s282sK
0252625K
o276011
0245408
0245408
0259946
0259946
025273lK
o2s273tK
o2528ttK
o2760n
0216511
025281 lK
0252805K
0243901
0243899
Electrolytic
Electrolytic
Cylindrical, ceramic
Mylar, fìlm
Mylar, film
Electrolytic
Electrolytic
Elect rolytic
Cylindrical, ceramic
Mylar, fìlm
Mylar, film
Cylindrical, ceramic
Electrolytic
Cylindrical, ceramic
Cylindrical, ceramic
Electrolytic
Electrolytic
Mylar, film
Electrolytic
Mylar, lilm
Mylar, hlm
Mylar, film
Electrolytic
Electrolytic
Mylar, film
Ceramic, discal
Ceramic, discal
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Mylar, film
Mylar, film
(for W. Germany )
Electrolytic
Electrolytic
Ceramic, discal
(except U.S.A, Cana
& Latin American c<
Ceramic, discal
(for U.S.A. & Canadr
lpF
O.47ttF
o.olrF 1tooo,
da, Asia
runtries, etc)
o.our llooo,
r)
3.31F
l00ttF
22OpF
240OpF
8200pF
llF
I 00!F
I 00tF
| 80pF
0.033lrF
0.ltF
220pF
l rrF
20pF
2.2pF
47uF
I OpF
0.22ttF
lpF
0.O22ttF
I 000pF
0. I 5pF
471tF
47 ttF
0.lpF
0.01tF
0.0lpF
5600pF
5600pF
| 00!F
100/.rF
lsF
0. ltF
0.lpF
!t0%
!5%
+ <q^
!10%
xt0%
!107o
xt0%
!5%
!lAlo
!10%
tt0%
llo%
!to%
!t0%
!20%
!20%
!107o
!ljEo
50v
6.3V
50v
50v
s0v
50v
25V
25V-
50v
50v
50v
50v
50v
50v
50v
ó.3V
25V
50v
50v
50v
50v
50v
s0v
25V
50v
500v
500v
35V
35V
3sv
35V
50v
50v
l00v
50v
50v
400v
l 25V
RESISTORS
R.t0lLR
R4O2LR
R4O3LR
R4O4LR
R4O5LR
R4O6LR
R4O7LR
R7O1 LR
R702t-R
R7O3LR
0
0
0
0l
0l
0l
0l
0l
0l
0l
29579
29647
29580
29642
29673
29601
29661
29631
29669
29637
Carbon filrn
Carbon film
Carbon film
Carbon film
Carbon fìlm
Carbon film
Carbon film
Carbon hlm
Carbon film
Carbon hlm
560f2 !57o
47kO !5%
620o" !5%
30ko !5%
330kQ !5%
lko t5%
l00ko !5%
10ko !5%
220kQ x570
18kO !5%
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
/8P
/8P
/8P
/8P
l8P
/8P
/8P
/8P
/sP
/sP
SYIIIBUL
NO. rAl(I NO. DESCRIPTION
R7O4LR
R7O5LR
R706LR
R7O7LR
R7O8LR
R709LR
RTIOLR
R71 I LR
R7I 2LR
R713LR
R714LR
AR7I5
R7I6LR
R7 I 7LR
R7I 8LR
R7 I 9LR
R720LR
R72I LR
R722LR
R801
R802
R803
R804
R805
R80ó
R807
R808
R809
R8l 2
R8l 3
R9OI LR
R9O2LR
R9O3LR
R904LR
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.
0
0
0
0
0
0
2961t
2966t
29601
2957 s
2966t
29621
296t1
29647
295'7'l
29583
29565
t062r
29601
29613
19015
34289
00609
3437 1
3437 1
19443
19524
t9524
29615
29615
29643
2966'1
29601
29605
2970t
29569
29601
29661
2963s
29577
Carbon film
Carbon fìlm
Carbon film
Carbon fìlm
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon hlm
Carbon film
Metal (fuse resistor)
Carbon film
Carbon film
Metal
Composition
Carbon film
Composition
Composition
Metal oxide
Metal oxide
Metal oxide
Carbon film
Carbon filrn
Carbon film
Carbon film
Carbon film
Carbon hlm
Carbon film
Carbon film
Carbon film
Carbon fìlm
Carbon fìlm
Carbon film
2.7kQ !5%
100ko !5%
lkQ !5%
3900 !5%
l00ko !5%
6.8kO !570
2.7k{t !5%
47kQ !5%
4100" !5%
820f) !]Vo
150fl lSVo
100fl !5Vo
lkf) !5Vo
3.3kO lSVo
0.33Q !t0%
10f, !to%
2.2A !5%
ó80c, tto%
680s, !1070
l.sklil llWo
l80O llUlo
l80Q !10%
3.9kO !5%
3.9kO !5%
33kO !5%
180ko lSvo
lkQ !5%
1.5kQ !5%
lMo !5%
220Q !5%
lko !5%
100ko !5%
l.5ko !5%
470o. lSVo
sRDl/8P
sRDl /8P
sRDr /8P
sRDl /8P
sRDl /8P
sRDl/8P
sRDr /8P
sRDl/8P
sRDl/8P
sRDl/8P
sRDl/8P
RNl/48
sRDr/8P
sRDl /8P
RNIB
RCI/2GF
RNI/4B
RCI/2GF
RCI/2GF
RSIB
RS2B
R52B
sRDl/8P
sRDl/8P
sRDl/8P
sRDl/8P
sRDr/8P
sRDl/8P
sRDt /8P
sRDl/8P
sRDl/8P
sRDl/8P
sRDl /8P
sRDl /8P
lCs & TRANSISTORS
IC401
IC70l
QTOI LR
Q80l
2368041
2368841
2328656
23286s6
NJM4558DX
STK463
2SC I 740
2SC l 740
DIODES
DTOI LR
D80l
D802
D803
D9OlLR
D9O2LR
scR80l
zD80l
2D802
2D803
2D804
ZD9OI LR
233'7601
2337461
2337762
2337601
233'1922
233't922
23388ó I
2337773
2338605
2337784
2338595
2338s89
ts2473
54VB2O
ERBI2_{IR
152473
IK34A
1K344
TT20l -90
EQBoI -{8R
RD6.8ENI
EQB01 -1 25
RD 4.78N3
RD 3.9EN2
î\
- 10-
î\

SYMBOL
NO. PART
NO. DESCRIPTION
VARIABLE RESISTORS
R730
R73 I
R't32
R733
0151846
0l 5l 857
0t51807
0151807
200ko {w) (BAIANCE)
2ooko -{B) (voLUME)
20ko -(c) (BAss)
20ko -(c) (TREBLE)
COILS & TRANSFORMERS
LTOILR 222'7311 Audio trap coil-2.5,.rH
MISCELLANEOUS
dcPl
SI
SI
FI
FI
F7O1 LR
F?OI LR
À
À
s40l
s402
s70 I
s702
s703,704
s703.704
A
A
A
A
0269014
26577 13
26395t2
2639513
2727 564
2127 t9t
2727223
2727335
272'.716t
2727602
26776tt
267'764t
2688281
2638232
2638674
2638674
26386'74
263862t
2638622
266't545
fc
3248082
328999t
329086r
4430321
4574603
4567451
456'1463
Spark killer
(for Asia & Latin American countries, etc.)
AC outlet (for U.S.A. & Canada)
Power switch (for U.S'A & Canada)
Power switch (except U.S.A. & Canada)
Fuse-2.5A STó (for U.S.A. & Canada)
Fuse-lA 250V (except U.S.A. & Canada)
Fuse-3A (for U.S.A. & Canada)
Fuse-2.5A (except U.S.A. & Canada)
lamp holder (for U.S.A. & Canada)
Fuse clip (except U.S.A. & Canada)
4P US pin jack
Headphone jack
Speaker terminal (8P)
Push switch (FUNCTION)
Push'switch (TAPE MONITOR)
Push switch (LOUDNESS)
Push switch (LOW FIL)
Push switch (SPEAKERS)
(except U.S.A. & Canada)
Push switch (SPEAKERS)
(for U.S.A. & Canada)
5P cord with housing
FINAL ASSEMBLY
Escutcheon
Knob ass'y (VOLUME)
Knob (BASS, TREBLE, BALANCE)
Cover
3óxl0 bind double head screw
3@x6DT bind screw
40xlODT bind screw
SYMBOL
NO. PART
NO. DESCRIPTION
for Dl
394309 l
3932
3942961
40985 r 1
3927411
236900 I
2767629
456'7422
4567413
4567454
45723t3
4567 4l I
4784106
4567432
45819 2
4567417
rL MECHANISM ASSEMBLY
Sub panel
Push knob (POWER)
Push knob (SPEAKERS Others)
Push knob ass'y (FUNCTION)
r.eg
LED meter unit
I:mp with lead wire 8V, 50mA
4@x8DT bind screw
30xlODT bind screw
3{lxl2DT bind screw
30x20 bind tapping screw
30x6DT bind screw
3dxl0 bind tapping screw
3dx8DT bind screw
3@xl 0 tapping flat head screw
(for U.S.A. & Canada)
3óx2ODT bind screw
€
6
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A
A
A
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A
^
,d
A
A
A
A
A
A
A
2247 541
2247 542
224'1543
27494'7 t
27487 52
2749202
2749622
0043793
39 r 3006
2618051
2't2'l l2t
2727 19 t
2657721
265836 I
2'127193
Power transformer
Power transformer
Power transformer
Power supply cord
Power supply cord
Power supply cord
Power supply cord
Bushing (for power supply cordl
Bushing (for power supply cordl
Voltage selector SW
Fuse holder
Fuse Tl A, 250V
AC Outlet
E socket adaotor ì - ^
Fuse r2A, 250v1(l%cEssoR
o
o
o
ES
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
A
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-11-

HITACHt HA-2800/1800
EFErfirdl
SYMBOL
NO. PART
NO. DESCRIPTION
CAPACITORS
C4O2LR
c403LR
C4O4LR
c405LR
C406LR
c407LR
c409
c4l0
C7O2 LR
C7O3 LR
c70sLR
c706LR
c707LR
c708LR
C7O9LR
c7 l0LR
c7l I LR
C7I 2LR
C713LR
- c7l4LR
c7 l 5LR
c7l6LR
c7 17
c7 l 8LR
C7 I 9LR
c80l
c802
c803
c804
c805
c806
c807
c8l0
c8l I
AC
AC
02'l60tl
027651 |
025281 3K
02s223 l K
0240004
o274223
0274236
025281 lK
025263 I K
025 263 I K
0240003
027 50t4
02760t t
0240004
02528 I I K
02300 I 9
0230004
02s2225K
025?62tK
027ó0 l 3
02528 r r K
027 50t3
027401 I
0276012
025282sK
025262sK
02760 I I
0245408
024s408
o2s9946
0259946
025273tK
025273!K
025281 lK
0243899
0243901
Electrolytic
Electrolytic
Cylindrical, ceramic
Mylar, film
Mylar. film
Elect roly tic
Electrolytic
Electrolytic
Cylindrical, ceramic
Mylar, film
Mylar, fìlm
Cylindrical, ceramic
Electrolytic
Cylindrical, ceramic
Cylindrical, ceramic
Electrolytic
Electrolytic
Mylar, film
Electrolytic
Mylar, film
Mylar, film
Mylar, film
Elect rolytic
Elect rolyt ic
Mylar, film
Ceramic, discal
Ceramic, discal
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Mylar, film
Mylar, film
(for W. Germany )
Ceramic, discal
(for U.S.A. & Canac
Ceramic, discal
(except U.S.A, Canz
latin American cot
a)
o.orrF llooo*
Lda, Asia &
rntries, etc)
50v
ó.3V
s0v
50v
50v
s0v
50v
50v
50v
s0v
50v
50v
50v
6.3V
25V
50v
s0v
50v
50v
50v
50v
25V
50v
500v
500v
35V
3sv
35V
35V
50v
s0v
l00v
I 25V
400v
25V
25V
RESISTORS
R4OI LR
R4O2LR
R4O3LR
R4O4LR
R4O5LR
R4O6LR
R4O7LR
RTOI LR
R7O2LR
R7O3LR
R7O4LR
R7O5LR
R706LR
0
0
0
0
0
0
0
0
0
0
0
0
0
29579
29647
29580
29642
29673
29601
2966t
29631
29669
29637
296t I
29661
29601
lilm
film
fikn
lilm
film
lilm
lilm
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon lilm
Carbon lilm
Carbon lilm
Carbon lilm
Carbon film
Carbon film
5ó0Q !5%
47kQ !5%
620r, lSVo
30ko !5%
330kdl, !5%
rkQ !5%
r00ko !5%
l0kfl lSVo
220kQ !5%
lSkQ !5%
2.7k4 !57o
100krt !5E
lkQ lSVo
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
SRD
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
/8P
a
I
I
SYMBOL
NO. PART
NO. DESCRIPTION
A
R7O7LR
R7O8LR
R7O9LR
R7 I OLR
R7I I LR
R7 I 2LR
R7 I 3LR
R7I4LR
R7I 5LR
R7 I óLR
R7I 7LR
R7 I 8LR
R7 I 9LR
R720LR
R72I LR
R722LR
R80l
R802
R804
R805
R806
R807
R808
R8l0
R8l 2
R8l 3
0129s7 s
ot2966t
or2962t
012961 I
0t2964',7
ot29577
0l 29583
ot29565
0l l 0621
0l 29601
ot296l3
0ll90l5
o134289
0 r 00609
ot343'l l
0134371
019443
0t 19526
0t 2961 5
0129ót5
0t29643
0129661
0129601
0129613
0t29701
0 r 29só9
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Metal (fuse resistor)
Carbon film
Carbon film
Metal
Composition
Metal
Composition
Composition
Metal oxide
Metal oxide
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
Carbon film
3900 !5%
t00ko !5vo
ó.8k0 !57a
2.7k4 !s%
4'ÌkQ !5Vo
470Q !57o
820c, !5%
t50Q !5%
t00o !5%
lkQ !5%
3.3ko !5%
0.3352 !tO%
l0o !to%
2.2{t !5%
6800 !t0%
680g2 !10%
t.5kO ltwo
27OQ !t0%
3.9ko !5%
3.9kO !5%
33kQ !5%
l80kO !57o
tko !5%
3.3kO !5%
IMQ !5%
22Oo" t5%
sRDl /8P
sRDl /8P
sRDl /8P
sRDl /8P
sRDl/8P
sRDl /8P
SRDI /8P
sRDl /8P
RNI/48
sRDl /8P
sRDl/8P
RNIB
RCr /2GF
RNI/48
RCr/2GF
RCI /2GF
RSI B
RS2B
sRDl/8P
sRDr /8P
sRDl/8P
sRDll8P
sRDl /8P
sRDr /8P
sRDl /8P
sRDr /8P
lCs & TRANSISTORS
IC4OI
tc70r
Q70l LR
Qsot
236804 r
2368841
2328656
2328656
NJM4558DX
sTK463
2sct 740 lE)
2scl74o ó
DIODES
DTOI LR
D80r
D802
zD80l
2D802
D803
scR80l
D8l0
D8l I
D8l2
233760t
233746t
2337762
2337773
233 860s
233760t
23388ól
233773t
2337731
2337'731
rs2473
54VB20
ERBI2-4IR
EQB0I {8R
RDó.8ENI
1s2473
TT201 -90
LED TLR2Os
LED TLR2O5
LED TLR2Os
VARIABLE RESISTORS
R730
R73 l
R't32
R733
0
0
0
0
5
5
5
5
850
857
809
809
200ko -(w) (BALANCE)
200ko -(B) (voLUME)
20ko (c) (BAss)
20ks, (c) (TREBLE)
COILS
LTOI LR 22273tt Audio trap coil -2.59H
-12-
îl

H|TACHI HA-2800/1800
SYMBOL
NO. PART
NO. DESCRIPTION
MISCELLANEOUS
Spark killer
(for Asia & latin American countries, etc)
Power Switch (for U.S.A. & Canada)
Power Switch (except U.S.A. & Canada)
AC Outlet (for U.S.A. & Canada)
Fuse 2.5A (for U.S.A. & Canada)
Fuse TIA 250V (except U.S.A. Canada.
Asia & Latin American countries, etcì
Fuse 3A (for U.S.A. & Canada)
Fuse 2.5A(except U.S'A' & Canada)
óP US pin jack
4P US pin jack
Headphone jack
Speaker terminal (8P)
Push switch (for U.S.A. & Canada)
Push switch (except U.S.A. & Canada)
Rotary switch
Push switch
30x6DT bind screw
for FINAL ASSEMBLY
l:zsoazt I Knob ass'y (voLUME)
lszsoor r I Knob, (BASS,TREBLE. BALANCE)
lcczolzt I co".,
l+sol+ol I oo*toor bind screw
for DIAL MECHANISM ASSEMBLY
SYMBOL
NO- PART NO. DESCRIPTION
for REAR PLATE ASSEMBLY
4567432 l:O*Snf bind screw (for Asia & Latin American
I countries, etc)
6
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A
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274947 |
27487 52
2749202
2'749622
oo43793
39 I 3006
2247 s4l
2247542
2247 543
2ó18051
2727 l2l
2727 l9t
2657281
26583ó |
2727 t93
Power supply cord
Power supply cord
Power supply cord
Power supply cord
Bushing
(lor power supply cord)
Bushing
(for power supply cord)
Power transformer
Power transformer
Power transformer
Voltage selector switch
Fuse holder
Fuse -TlA250V
AC outlet
E sockeî adaDtor I . -
Fuse r2A. zìovjfif
o
o
o
ESf
o
o
o
ioR
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o
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^
t^^
-13-

FRONT AND REAR PANEL.
VORDERE UND HINTERE BEDIENUNGSTAFEL.
PANNEAUX AVANT ET ARRIERE
(HA-2800)
î
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m
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dé
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dó
(9
@
@
6'^
@
POWER switch
PHONES jack
SPEAKERS switches
BASS control
TREBLE control
BALANCE control
SUBSONIC FII-TER switch
LOUDNESS switch
TAPE monitor switch
FUNCTION switches
VOLUME control
Power level indicator (HA-2800)
Ground terminal (GND)
PHONO INPUT terminals
TUNER INPUT terminals
AtJX INPUT terminals (HA-1800)
TAPE REC terminals
TAPE PLAY terminals
SPEAKERS terminals
AC outlet
(3 outlets for U.S.A. & Canada sets,
I outleî for Asia & Latin American
countries sets)
Power supply cord
VOLTAGE SELECTOR
(for Asia and latin American countries)
FUSE holder
(tor Asia and l:tin American countries)
Netzschalter (POWER)
Kopfhórer-Buchse (PHONES)
Laut sprecherschalter bass (SPEAKERS)
BASS-Regler
Hòhenregler (TREBLE)
BALANCE -Regler
SU BSONIC-FILTER-Schalter
Schalter fiir gehorrichtige Klangkorrektur
(LOUDNESS)
Schalter fúr Hinterbandkontrolle (TAPE)
Funktionsschalter (FUNCTION)
Lautstàrkeregler (VOLUME)
kistungspege lanzeige (HA-2800)
Erdung (GND)
Plattenspieler-EingangsanschluB
(PHONO INPUT)
Tuner-EingangsanschluB (TUNER INPUT)
N usàtzliche Flingangsbuchsen
(ALIX INPUT) tHA-r800)
Aufnahme-Anschlússe fúr Tonbandgeràt
(TAPE REC)
Wiedergabe-Anschlússe fúr Tonband-
geràt (TAPE PLAY)
l:ut sprecher-Klemmen (SPEAKERS)
Kaltgeràte-Steckdose (drei Steckdosen
bei fiir USA und Kanada bestimmten
Modellen; eine Steckdose bei fúr Asien
und Lateinamerika bestimmten Módel-
len)
Netzkabel
Netzspannungswiihler
(VOLTAGE SELECTOR)
(fùr Asien und Lateinamerika)
Halter fúr Sicherung (FUSE)
(fùr Asien und Lateinamerika)
(HA-1800)
)
Interrupteur d'alimentation (POWER)
Prise de casque (PHONES)
Commutateur d'enceintes (SPEAKERS)
Commande des graves (BASS)
Commande des aig.ués (TREBLE)
Commande d'équilibrage (BALANCE)
Commutateur de lìltre subsonique
(SUBSONIC FILTER)
Commutateur de correction physio-
logique (LOUDNESS)
Commutateur de contróle de bande
(TAPE)
Commutateur de fonction
(FUNCTION)
Commande de VOLUME
lndicateur de niveau de puissance
(HA-2800)
Borne de terre (GND)
Bornes d'entrée phono (PHONO IMUT)
Bornes d'entrée tuner (TUNER INPUT)
Bornes d'entrée auxiliai re
(AIJX INPUT) (HA-!800)
Bornes d'enregistrement de bande
(TAPE REC)
Bornes de reproduction de bande
(TAPE PLAY)
Bornes d'enceintes (SPEAKERS)
Prises C.A.
(3 prises d'alimentation sur les modèles
destinés aux Etats-Unis et au Canada,l
prise d'alimentation pour les pays d'Asie
et d'Amérique Latine)
f) Cordon d'alimentaton C.A. ^
@ Sélecteur de tension (VOLTAGE I
SELECTOR) (pour I'Asie et les pays
d'Amérique Latine)
@ Support de fusible (FUSE)
(pour I'Asie et les pays d'Amérique
Latine)
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HITACHI SALES NORWAY A/S
Oerebekk 1620 Gressvìk P.O. Box 46 N-1601
Fredrikstad, Norway
Tel. [phone]
SUOMEN HITACHI OY
Box 1 51 , SF-15100 Lahti 10, Finland
Tel. Lahti 44241
HITACHI SALES A/S
Kuldyssen 13, DK-2630 Taastrup, Denmark
Tel.[phone]
HITACHI SALES A.G.
5600 Lenzburg, Switzerland
Tel.[phone]
HITACHI-FRANCE (Radio-Télévision Electro-
Ménagerl S.A.
9, Boulvard Ney 75018, Paris, France
Tel.[phone]
HITACHI SALES WARENHANDELS GmbH
A-1 18OANien , Kreuzgasse 27
T et. (00432221 439367 18
HITACHI SALES AUSTRALIA PTY Ltd.
153 Keys Road, Moorabbin, Victoria 3189 Australia
f el.95-8722
HITACHI Ltd. TOKYO JAPAN
Head Off ice: 5-1 , 1-chome, Marunouchi, Chiyoda-
ku, Tokyo 100,Japan
Tel. Tokyo. (212]' 1111
Cable Address: "HITACHY" TOKYO
I
HITACHI SALES CORPORATION OF AMERICA
Eastern Regional Office
1200 Wall Street West, Lyndhurst, New Jersey 07071
Tel. [phone]
Mid-Western Regional Off ice
1400 Morse Ave., Elk Grove Village, lll. 60007
Tel. [phone]
Southern Regional Office
51 0 Plaza Drive College Park, Georgia 30349
Tel. 404-763O360
Western Regional Office
401 West Artesia Boulevard, Compton, California
90220
Tel. [phone]
HITACHI SALES CORPORATION OF HAWAII,
tNc
743-G Waiakamilo Rd., Honolulu, Hawaii 96817
Tel. [phone]
HITACHI SALES CORP. OF CANADA Ltd.
3300 Trans Canada Highway Pointe Claire, Quebec
H9R1 B
Tel . [phone] i 50
HITACHI SALES EUROPA GmbH
2 Hamburg 54, Kleine Bahnstra Be 8, West Germany
Tel.850 60lO-75
HITACHI SALES (U.K.) Ltd.
Hitachi House, Station Road, Hayes, Middlesex U83
4DR
Tel. [phone] (Servìce Centre: 01 -848-3551 )
HITACHI SALES SCANDINAVIA AB
Rissneleden 8, Sundbyberg, Box 7138,5-172-07
Sundbyberg 7, Sweden
Tel. [phone]
HA - 2800
HA -1800 TY No. 263 EGF
kinted in Japan (H)