Pioneer SA-710 User manual

(DrrloruEeR'
Stu7lOm
MODEL
SA-710COMESINFIVE VERSIONS
DISTINGUISHED
AS
FOLLOWS:
r Thisadditional
service
manual
r Thebasic
performance
of the
Please
referto the
SA-710/KU
isapplicableto theHE
andHBtypes.
SA-710/HEandHBtypes
are
the
sameasthe
SA-71o/KU
type.
servicemanual
<ART-477> withexception
of thissupplement.
STEREO
AMPL!FIER
Type Voltag€ Remarks
KU 120Vonly U.S.A.modei
HE 22OV and 24OV (switchable) Europemodel
HB 22OV and24OV (switchable) U.K.
model
s11OV
, 12OV,22OV and
240V {switchable) Generalexport model
11OV,1zOV,
22OV and240V {switchable) U.S. Military model
1.
SPECTFTCAT|ONS
The specifications for SA-710/HE and HB types
are the same as the SA-710/KU type except for
following section.
AmplifierSection
Hum and Noise (DIN, continuous Power/5OmW)
PHONO. . 70dB/62dB
TUNER,AUX, TAPE
PLAY 1,2 .... 88dB/64dB
Miscellaneous
Power Requirements
HEtype ... .... 22OV,24OYSOl6OHz
HB type 220V,240V 50/60H2
Power Consumption
HE, HB types 980W
PICINEEFI ELECTFICTNIC CG'FIFG';IATICIN 41. Mesu.o 1-c)home, Mesu.o-ku. Tokyo 153, Jep6n
l.J,a, PEI\fEEF IEIESTFE \llCrB eOFIFc|FAit' I a5 oxro.d Or've, Moonach'e, New Je.sey o7Q74, rJ.S.A.
Pld\lEEFl E-ECTFIC'\||C lE|JFrclPEl N,V, Luirhegen-Beven e, eo3o Anrwe.p, eetg'uh
FfCl\fEEFf EI-ECTFE \llCB Ai.STFALIA PTY. LTtt 17A 1A4 eauncls.y FIo6d, B.6esde, Victo.ia 3195, Austne 6
< ART-5
24-0> Y OAPR.
1980 Prinred
in 'ap dn

2.CONTRAST
OF MISCELLANEOUS
PARTS
NO?E's..
. Parts without port number cannot be supplied,
o The L marh found on some component ports indicotes the importance of the
safety foctor of the part. Therefore, uhen rcplacing, be sure to use parts of identicol
ASSEMBLfES designotion.
Symbol O€scriprion Part No. R€marks
KU type HEtype HB typ6
AF amplilier ass€mbly
Tonecontrol assembly
Swirchass€mbly
Switchassembly
Volume assembly
Headphones
assembly
GWK-145
GWG.139
GWS-218
GWS-219
GWX-461
GWX-462
GWK-1
52
GWG-142
GWS-234
GWS-235
GWX,487
GWX-487
GWX-4A8
AWV-OO7
GWK,152
GWG.142
GWS-234
GWS,235
GWX-487
GWX-487
GWX,488
AWV.OOT
SPEAKERS
FUNCTION
OTHERS
Symbol D6.cription Part No, Remerks
KUtyp€ HE typ€ HB typ€
r\rr
A
rur
Irur
l,ruz
l\ se
Acr
A,
A
Front panel
assembly
Power transformer
Fuse (5A)
Fuse (T2A)
Fuse {T2.5A)
Capacitor
AC socket
AC power code
AN8.846
ATT.668
AEK.108
ASK,520
ACG,001
AKP-032
ADG,O23
ANB.894
ATT.7O3
AEK-017
AEK403
ASK-521
AKP.O26
ADG-041
ANB-894
ATT.703
AEK-017
ASK-521
AKP.O44
ADG-051
PACKING
ANDFURNISHEDPARTS
Symbol Dsscription Parl No. Romarks
Ku rype HEtype HArype
Operatinginsrructions
(English)
Operating
instructions
(German/French)
Packing
case
ARB.353
AHD.753
ARB.364
ARD.,I46
AHD.774
ARB-364
AHD.774

3. SCHEMATIC
DIAGRAM
XLL
TAPE1
PLAY
REC
TAPE 2
PLAY
TUNER
I
r5o;tl
AUX
F5o'vl
AUX
TUNER
PLAY
TAPE
2
REC
PHONO
Es"tl
I
I
I
|
"":"
I raPE1
t REc
AF AMP Ass'Y (
l/2 ) GWK-152
- -tt t"-oFo,nt."t&;i-
I ASH
-
016
54: LoUONESS C29
qs,e
2SA
912
vRt-
2
roor
1.RESISTORS:
fndicated in a, y.W, !5% tolerance unlessotherwise noted k : kQ,
M:Mo, (F)
:tl%, (G) :r2%,
(K)
rtlO%tolerance
2. CAPACITORS:
Indicated in capacity (!F)/voltage (V) unlessothemise noted p : pF
Indication without voltage is 50V except elmtrolytic capacitor.
3. VOLTAGE, CURRENT:
[ :
Signal
voltageat 65 W + 65 w 8rl output (1kHz)
[ : DC voltage
(V) at no input signal
Value in ( ) is DC voltage at rated power.
.fu mA : DC current at no input signal
4. OTHE RS:
+: Signal
route.
A :Adjusting
point.
The I mark tound on some component parts indicates the rm-
portance of the satety factor ol the part. Therefore, when replacing,
be sure to use parts of identical designation.
This is the basic shematic diagram, but the actual circuit may vary
due to improvements in design.
3.9k
(F) 48.71(F)
C23 C2l
22/50 0.O4'
qr,z
2SA978
qr,c
2SCl775A
3.9r(F)
148.7r(F)
c3l
o.056
[-.
!i
POWERSUPPLYCIRCUIT
FOR HB MODEL
owx-rszj
I
I
I REO
I
I
I
I
I---J
FUSEAss'y
GWX-
488

qz,e 2SA872A
og,ro
2SC1775A qrr,rz
2SA872A 25A912
25C1885 azt,zz 25C2275
az3,z425 A9 85 qzc,ze 25Cl!
qzz 2SC138
qsr,sz 25C'l!
orr,
r+ 2SA979
qrs,re
2SCt775A
Setr zzo
Q
17,l8
o 19, 20
Am
a 2:+3
VR2-I
lro*o 5ook
AsK_r7r
| |
F
or{
A zzoe
54, LOUoNESS C29
Dt-6,s,to 1S2
07 15241
orr,rz STV3I
or3 MZ-.|5
o14 tS2O?
irze
; RLr: RELr
I ASi-O
I
Rtl
rr(
|
Rtl
6EO
R[2
r.2r(
I
I
Rrog L--
tok Rto6
to( r/2rr) '.
---?^h
l/n o
? cso
-F
22Op
s3-2 vRz-2
500k
tol (t/z\tl
c58
279
i*notedk:kO,
Misnotedp:pF
rolytic capacitor.
8n output (lkHz)
n.
indicates
the im-
fe,
when replacing,
SWITCHES:
S1,9
: FUNCTION
32 . TAPE2
S3; IVODE
54 . LOUDNESS
S5 : TONE
TUNER
_ PHONO - TAPE1
ON _ OFF
STEREO
- MONO
ON - O.FF
ON _ OFF
a2o,3o
25D 880
Iarzz
270
I nae
2.7r
i-ds'+s
-
I rJ ay-
a
L-
4.,,a
I
- AUX
S6 : SUBSONIC
(15Hz) ON - OFF
S7 : SPEAKERS OFF-A-B
S8 : POWER ON _ OFF
SIO r PHONO INTERFERENCE ON - OFF
The underlined indicates
the switch position.
Dt7
- 20
SR3AM-4
02t,22
EQAOI-33R
023
MZ-19?
c53
coNrROLArr'v | 'o'''
;,- - --l I
;;.,- - --'l I
2rltc55
; | 47Og
:___r
Fs:
l;;,*,-; rRi.'-
| ^cr-127 f 2r
I rM^+
I I R2O3rOO
! I cror cloT
G-Linel
Asr'y
Ii i$.d"^"1*[
I l"ro{ ur, "ort3*
.c|2
.
to/
t6
Rzt4
,2.4k
R2r6
3.9k
R2r,O
,
r5t
ors,rs
IOE
2
2SB
834

SWITCH
Ass'y
(A) GWS-234
EiA.71O./HE,HEI
NOTE:
The ind.icated semiconductors are representatiue ones
only. Other alternative semiconductors may be usedand
are listed in the parts list.
HEAOPHONE
JACKAss'y
GWX-4gz
FL Asr'y AWV-OO7
a
25,26 25C
l9l 4 A
qzz ZSCl384
orr,:z 2SC1914A
Dr-6,s,ro
1S2O76
o? 15247?
orr,raSTV3H
Dr3 MZ-15O
D14 1S
2076
Rr26
;
RLI: RELAY
I ASR-O33
FUSE Ass'y
GWX
- 488 ac 220v
5O16O
Hr
At. 38: POwER
as(-521
SWITCHED UNSWITCHED
TOTAL
8OW
MAX 5OW ilAX
A
AC POWER CORD
aoG
-o4 |
ifr rut
lil r2A
s9
FUNC
TIO
N
asx - il3
PXOI{O TAPE I
-T-- \
tr
t- --
SWITCH
Ass'y
(8) GWS
- 235
r I aEx-or7
lA*3%?'z r
VRI,?: L€V€L ADJ
, acP-o78 a
or
TA73l8
P @
q.="5;l oo19
a2.r
HAl2OlO
J
J
vr AAV-OO6
5

4. P.C. BOARD PATTERNS
AF AmPlifierAssemblY
(GWK'152)
6-.d^*'"*F o,-*gq,".P,
@*@
t".lt'-''{^p ",".,,.".,J43-
i,"-ff&e=
.tiil^t'*^ ri* 6"" . ."-___"*__,
hh* ',:r",*1tl"ilN:tr
o,. "".*.:;, ?s^",_,*":.,, -r-,---l-----t ,---E
I r. s. :iti-
rrp)b:*ffi+;," s"'"" , =e gl:=t-l o''
'ri
il;:::ffiffin#**S#;"
"E*;:*
-t"+fr,FF*
,+*
Flruia"--*:4!r1i-s-.
'"*::
{*-
..+'ri
ff.-- L
=#
-.tr
: "9_:,-",--_
-]_
f
i"** tffi ^"
o"1i-
# ""-""
-t=- / - -
=-- - ---r LlIl
I ",
**'**:;e"6*'k*'.,:::
l-'"
r r I*'l*atQ"iL,'.l""l." I
".i
+r+:fn,fa"llll
lFir-'--rIli 1l#
.''"S
k,,il
ei
Ill,r'_,,.,,,.2.'l
l,
."
l-t'tt--l [-**'-_l
IJ
o!rr2ot6
fl*#ff*t;iffi*ilF;ji;;4u-+q
-]
H;,HNHffiil
lt
I

5'A.71C,./HE,Ha
Fuse
Assembly
(GWX-488)
l-

5. PARTS
LISTOF P.C.BOARDASSEMBLIES
AFAmplifierAssembly
(GWK-152)
SWITCHES,
RELAY
ANDTRANSFORMEB
Part No. Symbol & Doscription
Note: When ordering resistors,convert the
resistance uolueinto code fortu, ond
RESfSTORS then reurite the part no. osbefore.
Part No. Symbol
& Description
ASX-1
15
ASK,172
ASK,171
ASH
-0't
6
ASR{33
Arf -577
CAPACITORS
PartNo.
51 Remote
slideswitch
52 Lever switch
53-56 Leverswitch
S10 Slide
swirch
RLl Relay
T2 Heatertransformer
ACT-130
ACN
-O41
A AcN.o45
VR2 Variable
resistor
R99-R102 Cement
coated
R115 Cement
coated
CEANL
3R3M25 Cl, C2,C37,C38
a Rs2P!trO J Rl13
aRslP trtrD
J Rr14,
R25,R26
RSlPtr.tr
J Rl11,
R
1
12,Rl16
RN7.PO
!tr.. J R 17-R20
Anozpsr rrc..r R97,R98,R'l03-R106
RD%PSDtrO
J R83,R84
A RD/.p[rFoD! J R4t,R42,R81,R82,R85-R88,
R91-R96,
R118,R119,R124,
R125
RD%PMotra J R1-R16, R21-R24,
R21 R40.
R43-R80,
R89,R90,
R107-R110,
R117,R120-R123,
Rt26-R129
SEMICONDUCTORS
PartNo. Symbol& Doscription
Symbol& Oescription
ACH-212
ACH-318 C79,C80 Electrolyticcapacitor C17.C18 Electrolyticcapacitor
ACG-Oo4 C78 Capacitor
cEA221M35L C81,C82
cEA101M50L C76
cEA 101M 35L C33,C34,C84
cEA 101r\'25L C74
cEA 471lvl
6L C7,CA,C73
cEA 220M50L C23,
C24
cEA470M25L C86,C87
cEA220M25L C41,C42
cEA 010M
50L C77
cEA R47t\450L C75,C88,
C89
CEANL2R2M50 C41,
C48
CEANL0rotvt
s0 c51,c52
CEANL
1001\il16 C53,C54
coMA473K50 C71,C72
coMA 563K50 C31,
C32
coMA 102K50 C19,C20
coMA 122J50 Cl1,C12
co[/A 103K250 C63,C64
coPA 683G50 Cl3, Cl4
coPA 183G50 C9,C10
ccDsL 050D500 c61,c62
ccDsl 181K500 C67-C70
ccDsl 330J50 C45,C46
ccDsL 270J
50 C57,C58
ccDsL 101J50 C35.C36
ccDsL 181J 50 C43,C44
ccDsL 221J50 C3,Ot,C29,C30,C59,C60
CKDYB331K50 C5,C6,
Cl5,C16,C39,C40
CKDYB471K
50 C55,C56
CKDYB222K50 C49,C50
CKDYB
562K50 C65,C66
CKDYF
473250 C21
,
C22,C25-C28
CKDYF103250 C83
2SA978 01, 02
2SC't7754 03,04,09,
o10,015,016
2SAA72A 07, 08, 011,ol2
2SA979-G O13,O14
2SA9l2
2SC
t885
05,
06,017,018
o19,O20
2sc2275'a o21 ' o22]t t" .t orrc havethesame
rank
2SA985-O 423,O24)
2SC1914A o25,026,o31,
o32
421
o28,O30
029
Asn:nvq D1l-Dzo
2SC1384
2SD880
{25D313P}
2S8834
(2S8507P)
Aroez
(srB01-02)
1S2076
{1S1555)
152472
(1S15551
MZ-192
twz.192't
D15,D16
D1-D6,D9,
D10,D14
D7
D23
M2"150 D13
{w2,150)
EOAo'f
-33R O21
,D22
STV3H D1l,Dt2

sAF710./HE,,HB
OTHERS
PartNo. Symbol & Description
AK8-064
AKB-063
ABA-I39
Terminal
(INPUT)
Terminal {TAPE)
Screw
3x6
Fuse
Assembly
(GWX4g8)
Pa.t No. Symbol & Description
ACG-001 Capacitor
NOTE:
The only difference betwen followng assemblies
in models SA-710/KU, HE and HB types lies in
the assemblyparts numbers. All circuit and parts
are exactly the same.For P.C. board patterns and
parts list, refer to the service manual for
SA-710/KUtype.
Description
AAX-193
AAX.192 220V label
240V label
6. LINE
VOLTAGE
SELECTION
Line voltage can be changed with following
steps.
1. Disconnect
the AC powet cord.
2. Removethe bonnet cover.
3. Take out the fusefrom the fuse assembly.
4. Re-install the fuse in the corect voltageindica-
tion-
5. Stick the line voltagelabel on the rear panel.
Part No.
Rear
panel
Ds3cription Part No.
KU type HE and HB rypes
Tonecontrol assembly
Switchassembty
Switchassembly
Volume assembly
Headphones
assembly
GWG-139
GWS-218
GWS.219
GWX.461
GWX462
GWG-142
GWS-234
GWS-235
GWX-486
GWX,487