Pioneer SXrSTOO User manual

SXrSTOOB,o
(DrqoNeErt
STEREO
RECEIVER
o Thisadditional
servicemanual
is
applicable
to the
SX-3700/S,
S/G.
o Thebasic
performance
of theSX-3700/S, S/Gtypes
arethesameastheSX-3700/KU
type.
Pleaserefer to the SX-3700/KU type service
manual
(ART-535)with exception
of this supple-
ments.
1.
SPECIFICATIONS
The specificationsfor SX-3700/S and S/G types
are the sameas the SX-3700/KU type except for
following section;
Miscellaneous
Power
Requirements AC11OVl120Vl22OV/240V
(Switchable)
50/60H2
Powerconsumption.. .....150W
Weight(withoutpackage) ... . 12.4k9(27lb6ozl
Furnished
Parts
Fuse.. ...2
J
MODEL
SX-3700COMESINFOURVERSIONS
DISTINGUISHED
ASFOLLOWS:
Type Voltage Remarks
KU 120V
only U.S.A.
model
KC 120Vonly Canada
model
s110V,120V,22OYand240V
(Switchable) General
export model
s/c 110V,120V,22OV and240V {Switchable) U.S.
Militarv
model
PICINEEFI ELECTFICINIC CCIFIPCTFIATIC|N 4-1. Mesu.o 1-chome, rvlesuno-ku, Tokyo '1
s3, JEpBn
fJ.a. FE|CINIIF| EIICTFIC'NIC- CC'FIPC'FATICTN 85 Oxfond c).rve, Moonechre, New Jensey O7O24, U.S.A.
FrCtNtlFl ILIC?FICINIC (ClrFlC'PE N.V. Lurchagen-Heven 9, 2O3O Antwenp. Elelgrum
pfctNllFl tLfCTFtCtNlCa AIJIYFIALIA FTY. LTCI. 17e-18d4 Elound6ny Flosd, El.sesrde. Victoni6 3195. Austn6li6
< ART-s36-0
>FUOAPR.1980
Printed
in
Japan

2. CONTRAST OF MISCELLANEOUSPARTS
NO?ES:
o Partswithout part number cannot be
supplied.
o The I marh found on some component parts indicates the importance of the
safety factor of the part. Therefore,whenreplacing, besure
to use
partsof identical
designation.
MISCELLANEOUSPARTS
Symbol Description Part No. Remarks
KU ss/G
A FU1
Art
s9
A
s1o
acl
Anr
,A
Fuse
Power transformer
Sldeswitch
Linevoltage
selector
Capacitor
Resistor
2.2Mo
Power cord
AEK.lOO
ATT-696
ACG-017
ACN429
ADG.O23
AEK-l03
ATT.709
ASH€16
AKR431
ACG{01
ADG448
AEK-1OO
ATT698
ASH{16
AKR.O31
ACG-001
ADG-048
PACKINGAND
FURNISHED
PARTS
Symbol Description Part No. Remarks
KU ss/c
A
A
Operati
ngi nstructions
Fuse
Packingcase
Packing
spacer
Fuse
ARB-360
AHD.765
ARB.374
AEK-lOO
AHD-765
AE
K-103
ARB.374
AEK.103
AHD-787
AHB.105
AEK-1OO
I

3. SCHEMATIC
DIAGRAM (S,S
/Gl
I
AUXI-
tiso.vl I
LR
r_ 1PLAY 2
I lrsomvl I
| - Lplav t
I
LCH
I rREC2
| [5o;tl I
L- LaE.t
[- [ REc 1
I ltsomvl I
l- Lnecz
I
RCH
l'--.- rtuAYl
I llsOmvl I
l_- Lr.o,,
r 300nBAL.
FM I-
r'-- 75rl UNBAL.
GNO L
AM
itl
iil
ill
'll
itl xzol O2O1,2O2
Ass-or2 ?-lKZ6l
-+;if
?e2
1''.f
l
I
I
"ffi
I
I
L
Qlo3,t05
2SC461
QrO4 2SKt68
READ
OUT BUFFER
04 2SD880
REGULATOR
cza t
A ttof,
Q4
Q3,4 HA't2Ot
FM IF AMP
VR3OI: VOLUME
R3r5 ACT-,|25
lOOk VR3O2: BALANCE
READ
OUT
Ass'y I
FM AM

^59: FM OE-€MPHASIS
v AsH -ot6
O 5Ors
TUNER/ AF Ass'y GWM
-160
11- --_l
I
I
vRz -..4
8X'l&ll!-^o, tY7
acP-o67 #q]I
ysa- |
t:20?
1o! D2O2
xzo{ O2O1,2OZ QzOl 2SC46t
I :s-otz 2-1K26'1 - lF AMP -
DETECTOR Ass'y GWX-463
:iii ?'e2
13f 3it1,
QrO5
AMIFAMP
Qro 2sc461
X'TAL
OSC
;'*'#[F,;
40 nt tr
PL5
(L0cKEol
| 8v5Ona
I AEL-O75
,*ixx#'irt:,- -
r-
--i---
*,
t0_s_Ub i \! f-
n-n- , -
scHrL
' ii" li,i:!i,!:!i.eri.,-ii
o5 PA3007-A
FMIF 8 DET
Qllry14 COUNTER MODE SELECTOR
R94
R84 O23 430 (?wt
Q5-9,tlr 24
2SC945A
Q25- 34
2SA733A
D2-7
'lSl555 or
rs2473
345
Q3 HAr2oto
COMPARATOR
s5
f-I-ffrl I l"'|/.L""
I\Li ll !'iDi,;rir_ri
,_=,
i
l,'.,,ln,hl,ln,|re,la,hu'i+rirTtT'lTii
^J
iuiu iL'
i+ i
I"f
1il"IT\-t-1-T'l-\
lfh ruNtNG ) Jt" s7 sB ss sto ;5 Y cY cs c,2 Gr

-t
I
I
r{53)
,,
*-
'tt-
I
4
'EFEO)
/ 5OmA
L-075
SIO:LINE Vq.TAGE SELE(
AXR- oJ.I
-
r20v 220v
/\
f
rov 2&v
RLI: RELAY
ASR - O33
I Rt2!
| 33O
l(rw)
--aP!tu
i*;
I
Qr5,t6 2SA985A
Q21,22 2SCt9t4A
Q23,24 2SC945A
Q25 2SCr384
D5tlO 1S1555
Dlfr'f 3 152472
Dt4,15 1s2471
D6 rOEz
D20 MZ-150
Qg.'tO 2SC945A
Q,l
r,12 2SA949
ot3,f4 2scn75A
I

Ei)(-g7OO/Srg'-/C
10 11 12
ON _ OFF
ON _ OFF
53 : FM MUTING/MODE ON/STEREO-OFF/MoNo
S4-1: FUNCTION
(FM) ON-OFF
S4-2: FUNCTIoN
(
AM
) oN - qlf
S4-3: FUNCTION
(AUX) ON_OFF
S4-4: FUNCTION
(PHONOI Oru
- Oef
S5-l: SPEAKERS
(A) ON
- OFF
S5-2: SPEAKERS
(B) ON
- OFF
56 : TAPE MONITOR 1 ON- QLf
57 : TAPEMONITOR
2 oN - oFF
S8 : LOW FILTER
(t5Hz
) Oru
- Orr
59 : FM'OE-EMPHAS|S z5ts - S-ps
sro: L|NEVOLTAGE
Selecron--
Itov - 120V
- 220v - 240v
Theunderlined
indicates
the $,vitch
position.
Thisis
thebasicschematic
diagram,
but theactualcircuit
may
vary
dueto improvements in
design.
A
B
c
D
10 11 12
6