Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer Audio SX-202ku pioneer_sx_202ku_arp_230_113
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(v)rrtoNeerl
ORDERNO.
ARP-230-O
AM/FM STEREO
RECETVER
sx-?;0e- (SX.2O2LI
MODELSX.2O2 COMESIN SIX VERSIONSDISTINGUISI.IED FOLLOWS:
AS
Modol Volteg R6mrrks
SX-202/KU AC12OV nly
o U.S.A.model
sx-202/Kc AC120V nly
o Canada model
sx-202/s AC11OV
,12OV,22OV and 240V {switchable} General export model
sx-202lYP AC240Vonly Australia model
SX-202L/HE AC22OV only E u r o p e a nc o n t i n e n t m o d e l w i t h A M , L W b a n d r u n e r
sx-202LlHEZ AC220V only West Germany model with AM-LW band tuner
o This servicemanual is applicableto the KU types. For servicingof tlte other types, pleaserefer to the
additionalservice
manual.
o Ce manueld'instruction serefdreau modede r6glage, frangais.
en
. Estemanualde serviciotrata del m6todo de aiusteescritoen espaiiol.
CONT E NT S
't. sPEctFtcATtoNs
..... 8. P . C .B O A R D S O N N E C T I O N I A G R A M
C D 12
2. F R O N TP A N E L F A C I L I T I E S 3 9. SCHEMATIC IAGRAM
D t5
3. PABTS LOCATTON . . . . . . . 4 1 0 . E L E C T R I C A L A R T SL I S T
P 17
4. B L O C KD I A G R A M 5 I1. DIALCOR STRINGING
D 19
5. C I R C U I TD E S C RP T I O N S
I 6 1 2 . A D J U S T M E N T S. , .
, 20
6. PACKING 8 REGLAGE
7. E X P L O D E D I E W A N D P A R T SL I S T . . .
V 9 AJUSTE.
FICINEEFI ELECTFICINIC GCIFIPCIFIATION a I, Mesuno 1 Ljhome, Mesu.o-ku, Tokyo 1::3, Jspen
PICINEEFI ELEC:THONICB IUBAI lNC. 1925 E. oomnguez SE., Long Beach, Cahfo.nra go8lO u.S.A..
PIGINEEFI ELEC?FIC,NlC [EUnclPEI N.V. Keerbenglssn 1, 2740 Beve.en, Eletg,um
PICI|YEEFI ELECTFIEINICB AUBTFIALIA PTY. LTE!. 178-1821 tsounde.v Fosd, Bnaesde, Vrcco. a 3195. a.usc.atr
YX O DEC. 1982 P r i n t e di n l a D a n
1.SPECIFICATIONS
Amplifier Section CaptureRati. o ..2.ft8
(400kHz)
Selectivity
AlternateChannel . 50dB
C o n t i n u oA v e r a g eo w e ru t p uits 2 5
us P 0 (lkHz)
StereoSeparation . 35dB
w a t t s p e r h a n n mli,n . ,t 8 o h m f r o m
* c e a s Response
Frequency . . 30Hz to 15kHz,1!
[
oa
4 0 H e r t z 2 0 , 0 0 0e r t z i t h n o m o r e
o H w SpuriousResponseRatio. ......70d8
than0.3%o harmonic
tolal distortion. lmageResponseRatio ...45d8
lF ResponseRatio. ....100d8
Total HarmonicDistortion(40 Hertzto 20,000 Hertz,
AM SuppressionRatio ...45d8
8 ohms,from TAPE)
SubcarrierProductRatio. ......31d8
continuousrated power output
M u t i n gT h r e s h o l d . 2 7 d B t( 6 . 3 P V )
N o m o r et h a n 0 . 3 %
Antennalnput
12.5watts per channel poweroutput
300 ohms balanced, ohms unbalanced
75
N o m o r et h a n0 . 1 5 %
1 watt per channelpower output
No more than O.2o/" AM TunerSection
Intermodulation Distortion(50 Hertz:7,000 Hertz= 4: 1, Sensitivity
8 ohms,fror;'r AUX) lHF, Loop antenna 32OtNlm
continuous ratedpoweroutput lHF, Ext, antenna 30pV
No morethan 0.3% Selectivity .....25dB
D a m p i n g a c t o r( 1 k H z , 8 o h m s )
F 22 Signal-to-NoiseRatio ....43d8
I nput (Sensitivity/l mpedance) lmageResponseRatio ....40d8
PHONO .....2.5mV/5Okilohms lF ResponseRatio. ...'45dB
T A P EP L A Y ' 150mV/50kilohms Antenna AM LooP Antenna
Phono verload evel
O L ( T . H . D . 0 . 1 %1 , 0 0 0 H 2 )
,
Miscellaneous
PHONO . . 150mV
PowerRequirements . , AC 120V, 60Hz
Output Level
TAPE REC . 1 5 0m V PowerConsumption. . . 125 Watts(UL),150 VA(CSA)
SPEAKER .... A, B,AseriesB.off Dimensions . . . . 4 2 0 ( W ) x 9 8 ( H lx 2 1 4 ( D ) m m
X
16-9/16(W) 3-718(H) 8-7116(Dn X i)
Frequency Response
PHONO RIAA Equalization)
( Weight(without package) . . . 4.3 kg (9lb 8 oz)
. 30Hz to 20,000H2t0'5dB Parts
Furnished
TAPEPLAY .... l5Hzto50,000Hz+ldB FMT-typeAntenna .....1
Tone Control AM Loop Antenna 1
B A S S. r9dB (100H2) OperatingInstructions 1
TREBLE ... rgdB(10kHz)
Loudness frntour (Volum control setat-40d8 position)
. . +8dB (100H2),+6dB (10,000H2)
Hum and Noise(lHF, short circuited,A network)
PHONOMM.. .....71d8
TAPEPLAY ...97d8
FM Tuner Section
*UsableSensitivity ...10.7dBf (0.9pV)
50dB OuietingSensitivity
**MONO ....15.3d8f (1.6pV)
.37.6d8f(21pYl *Measured pursuant to the Federal Trade Commission's Trade
STEREO
Signal-to-NoiseRatio Regulationrule on Povnr Output Claimsfor Amplifier.
*'FM muting functions with this unit when the signalsare weak.
MONO ....75d8(at85dBf)
The unit's internal wires are therefore treated so that the signals
STEREO 7 0 d B( a t 8 5 d B f ) ara not muted when the sensitiviry is measured.
Distortion(at 65dBf) NOTE:
MONO 1kHz. 'O'3Yo Specificationsand designsubiect to possible modification without
STEREOlkHz. .'0.67o notice,
2. FRONT PANELFACILITIES
L;Nt';K t;K
-IFUNCTION
l-*'-'
L FI-EI-E r6"
O PowER
swtrcH @ voLUMEcoNTRoL
Push this to s1^ritch and off the unit's power. Power is
on Use this to adjust the volume of the sound delivered
suppliedat the depresed ( - ) switch position (ON) and throughthe speakers headphones.
or
(I) position(OFF).
turnedoff at the released The volume is increasedwhen this control is rotated
@ HEADPHoNEJAcK clockwisefrom the minimum "0" position.
Connectthe plug on the stereoheadphones this jack
to @ TUNING NDIcAToR TUNING)
I (
when listening soundthroughheadphones.
to This lightsup to indicatethat an FM, AM stationhasbeen
@ ToNEcoNTRoLs tunedi n.
BASS : The bassis increased
whenthis control is rotated (srEREo)
@ srEREotNDtcAToR
clockwisefrom the centerposition and reduced This lights up automaticallywhen an FM station broad-
when rotatedcounterclockwise. castingin stereohasbeentuned in.
TREBLE : The treble is increasedwhen this control is
rotatd clockwisefrom the center position and
@ SPEAKERS
swrrcHEs
reducedwhen rotatedcounterclockwise. These are used to selectthe speakers through which you
w i l l l i sten the sound.
to
@ BALANcEcoNTRoL The selected speakers now working.
are
This is normally kept at its center position. lt is rotated A: The sound is heard from the speakers connectedto
when the volume of sound deliveredthrough the left and the speaker terminals the rearpanel.
A on
right channels the speakers headphones
of or differs. B: The sound is heard from the speakers connectedto
The right channel volume is reducedwhen the control is the speaker terminals the rearpanel.
B on
rotatd toward the LEFT from the center position while No soundwill be heardwhen SPEAKERS and B switches
A
the left channel volume is reduced when it is rotated are both released. This is the positionat which the sound
towardthe RIGHT. can be heardthrough the headphones.
O FuNcrtoNswtrcHEs NOTE:
No sund will be heard through the geakers when both the A
PHONO : Press
when listeningto records.
and B switches are depressed if only one et of speakerc has been
FM : Press
when listeningto FM broadcasts. connected to either the A or B SPEAKERS terminals.
AM : Press
when listening AM broadcasts.
to
@ TAPE (ADPT)SWITcH @ FREoUENcY
scALE
This indicatesthe frequencyof the broadcasting station
This is depresed when using a tape deck or adaptorunit
( F M ,A M ) .
connected the rear panelTAPE/ADAPTORjacks.
to
The top levelfigures(88 - 108) indicatethe FM band.
@ LOUDNESS
SWITcH The bottom levelfigures(55 - 1601indicate AM band.
the
Depress this switch to the ON position when listening to
@ T U N T N GK N o B
sound at a low levelof volume.This will enhancethe bass
Rotatethis knob to pick up stations(FM, AM).
and treble and give more life to the sound evenat a low
volume. @ P o w E Rt N D t c A T o R / D t Ap o t N T E R
L
3. PARTS LOCATION
NOruSr
. Parts uithout part number connot be supplied.
o ?he I morh found on some component ports indicotes the impottonce of the
sofety foctor of the port- Therefore, uhen replacing, be sure to use parts of identicol
desEnation.
. For your Ports Stoch Control, the fost mouing items dre indicdted uith the morhs
t* ond *.
,* CENERALLY MOWS FASTER THAN '.
This classificotion shall be odjusted by each distributor becduse it depende on model
number, temperoture, humidity, e tc.
Front Panel
View
Speaker knob Bonnet
AAD608 AN E4I O
Front oanelassemblv
ANM-292 Tuning knob
AAA{84
AADO5 e-- Knob lvoLuME)
A
AAB.3'I6
P h o n ej a c k Function knob A
AKN{45 {TAPE, LOUDNESS)
AAD6O6
Knob B Function knob B
( B A S ST RE B L E ,B A L A N C E }
, { P H O N O ,F M , A M )
AAB-317 AADO7
RearPanelView
Earthterminal AC socket
AKP-O39
Rear panel
Complex
terminal
AKX-073 ADG-073
Top View
A ** Fuse(T 1.6A)
AEK-121
A * Powertransformer
1120v)
ATT.942
Switch assembly
4. BLOCK DIAGRAM
FM F R O N T E N D ( 1 / 3 ) FM IF AMP
I
t-3 O O O
|
BAL
FM
I 75o
|
L-UNBAL
l- GND FMIFIDET MPX
AM
I LooP L
L ANT au9 TOR
LJ rdLF
sr-s IN
(4/41
D6 TUNING S METER
--* ar, I DETECTOR
':*" I
STEREO vco
DET.
OUT- p 691
Q6
SlG. L OUT
Q4 IN
LED DRIVER FM MUTE
+82 AM
D4
AM FRONT END
sr-4 sr-5 P O W E RO N / O F F M U T I N G
trsomvl ^:
ernv TAPE LOUDNESS
(2/21 TONECONTROL
l- E q U A L I Z E RA M P
(t/21 vR2-2,2-3
Lch REC
+q2 -(v4l
lz.smvl lt5omvl.
i- rroro a 5[,
I
_
l r 4 .r v I PHONES
G:405dB
1,"=rd;Tt--17
fT",
(3l4.,4/41 POWER AMP
sr-4 sr-5
l-enor.ro (2/2't (2/2 |
I
Rch REC
L PLAY
TO
POWER SUPPLY 8 PROTECTOR Rch
,
S PEAKE RS
1,,
s2-2
+82
SP. B
srol ( 13.4V (t/2' t
qI a ri" l
acr2ov |
6OHz I
;o\--l u I
/tri
>\-
,\r #E
\rs
D
9
t0
7
z'
tl
1 2 3
4
@
? ' 2 0 A
B
V.
I
C
s"-<))|\ D
\is-j=
^'/
q,
-S=),)i
Ks) hs
I 6
I
E 8.1 . BO A RDS CO NN EC T2IO ND IAGR AM 3
P.C
and lC's
ExternalAppearances Transistors
of
2SC1923 -
COMPLEX Ass'y GWM 267
Q3 A2
2SC461
'":":f'+irvpN.
-S:"-
B
2SA1115
2sc26lt3 , ML
"'M, a\r,,
illill
.ll!jil"
sTK4141-2S
C
M51533
L
'.',-.
det
M521aP
x
NJIT44558D
LED Ass'y
It ttJtll
@d
I 2 3
4 5 6 I
Q7 ot6
q9 q0 Qro ofi qt7
32- O2l
4 5 6
I 7 8 I
HEADPHOT\E
JACK Ass'y
B
SWITCHO UNSWITCHEO
roow MAx. toow MAx.
c
D
POINTERAss'y
l
lt 7 I I
I
2 3
9. SCHEMATICDIAGRAM
A ","o
A
.oo^ Io,
,
F M I
Lzsn uraaL
L n"o
lil,", ot,, FM lF aMP
B LED
ol5-17 cr60 _.- _.-
22olo eI' u'b Fr
POWR il/OFF
Ithv'l
"to"
,1".
L "."
ffi
l'",
t-*;
""" "I',2,
cr57!
r r,''
*cr4o I ,
'+
Lct25
Tzzo
4Rr45
lrok
f---
- REC
l
J:i "' 47' rook I
|
;F --c!-r crr4 .';
D
a:-
cr45,r46 ACH-249 Qr,2,7,9 2SC461
o4 25K246
o 5,6,13,16,r7 JCSd
oa 2SA992 or,3 rN4t48 O12 iN4148
vR 3 RHAAAV5502 ot2 2S0aao o2 wz- o75 0r3,r4 roE 2FO
Q t 4 .| 5 J4101 D4 2-1K261 0r5 8CR6AM-4
oa KZL14O Dt6 SZ-O2?
D9 RB4O2 D17,18 tN4148
011 wz-i 3 0
2 3
4 5 6
NOTE:
The indicated semiconductors are representatiue ones
only. Other alternatiue semiconductors may be used and
are listed in the parts list.
A L RESTSTORS.
Indietd in o, %W, 7.W,i5% tolerance unl6s otheMis notd k; k!)
M; Ma, lF); !1%, lcl: !2%, (K),110%, (Ml; i20% tolerance
I 2, CAPACITORS:
Indicaid in capachy kF)/voltage (V) unle$ otheBis notd
p; pF. ldiBtion whhdt voltage is 50V except etftt.otytic capaci
3. VOLTAGE
a3 S i e n a tv o l t a s e a t ( 2 5 W + 2 5 W , 8 a ) o u t p l t
E; {1kHz)
F M I F I O E TA M P X DC voltase (V) at no j.put sisnal
Fli
-
Valuein{ ) bDCvoltageatratdporer.
4. OTHERSi
+ , Signal route.
_ A i^Adiusting po,nt.
I re /n matk round or toFe componenl pans indic.rs the in
podanc-e of rhe salety lactor of the pdn. lh.relore, whcn repttrrng,
be ere to u* pafts of identical designarion.
X markd capeitoB and rsistoE h&e psds numbe6.
This is the basic $hmatic diagram, but the etual circut may
vary due to improvemenb in dsisn.
-
LEo A3rr y
!--"-;-;-t
I 066 aEL- 40?
0 ! :
! *
SITCHES:
J' cr8;
reooo et
t--
COMPLEX
Sl-t :
A.sry
F U N C T I O N( P H O N O ) oN - gfI
I i": I {"at
r5k : 0 . sr-2 FUNCTION (FM) 9!
- oFF
T_T L--:"* -J sl-3 | FUNCTION (AM) oN - 9!r
-? 2 el SI 4 TAPE MONITOR oN- 9[
LEO
r
o3*'ut*
POINTER A3s'y
"*.;'-l
51- 5 LOUONESS ON _ OFF
B
52_1 SPEAKERS ( A) 9! - OFF
52.2: SPEAKERS{8) oN - gfr
OUTSIDE OF PC BOARO
SlOl : POWER ON - OFF
The undedind indi@tes the switch Dosition.
o t 3 , r4
PROTECTOR
-
sror a
COMPLEX AsBry (3,/3)
: Furor
AEK-r?r I
A r,o, ort-".,
---------1, A
swrrdEo uNswrTdED =-^.,
roow MAr roow Md -;fi,'
HEAOPHONE ACK A33'y
J
-___J
/25
--1F -
ro
ARrsT
*-1
I
qr48
E2FO
-o27
4148
I 52 SUJeLYXSF
L__
I S W I T C HA 3 . ' y
4 5 6 16
l--
1 O .E L E C T R I C A LP A R T S L I S T
NO?ES;
o ll/hen ordering resicfors, first conuert resistancewlues into cod,eform as shown in
the following examples.
Ex. 1 vthen there are 2 effectiue digits (any digit apart from 0), such as s60 ohm
and 47h ohm (toleranceis shown by J = iVo, and K - lOVo).
560a 56 x 10t 561 . . RD%PS E|6tflr
47ha 47 x lO3 473 . . RD%PS @AgJ
0.5{t 0R5.. RN2H oBEr
t(} 010.. asrPotloK
Ex. 2 When there are 3 effective digits (such as in high precision metal film resis-
tors).
5.62ha 562 x loo 5621. . . . RN%SA EGiltrDF
o The b, marh found on some component parts indicates theimportance of the
safety factor of the part. Therefore, when replacing, be sure to tlr,e parts of identical
deeignation
o For your Parts Stoch Control, the fast mouing items are indicated with the marhs
** ond *.
** GENERALLY MOVES FASTER THAN *.
This classificotion shall be adjusted by each distributor because it depends on model
number , temperuture, humidity, etc.
Miscellaneous
PartsList Mark Part No. Symbol & Deccription
C E A1 0 1 M 5 L
3 cl50
P.C.BOARD ASSEMBLIES
CEA 21M OL
2 1 c l 4 7 ,C l 6 0
CEA 71 6L
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