(v)rrtoNeerl

ORDERNO. ARP-230-O AM/FM STEREORECETVER

sx-?;0eMODELSX.2O2(SX.2O2LICOMESIN SIX VERSIONSDISTINGUISI.IED AS FOLLOWS: Modol

Volteg€

R6mrrks

SX-202/KU

A C 1 2 O Vo n l y

U.S.A.model

sx-202/Kc

A C 1 2 0 Vo n l y

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 additionalservicemanual. o Ce manueld'instruction serefdreau modede r6glage,en frangais. . Estemanualde serviciotrata del m6todo de aiusteescritoen espaiiol.

CONT E NT S 't. sPEctFtcATtoNs .....

8.

P . C .B O A R D SC O N N E C T I O N DIAGRAM

12

9.

S C H E M A T I CD I A G R A M

t5

2.

F R O N TP A N E L F A C I L I T I E S

3

3.

4

1 0 . E L E C T R I C A LP A R T SL I S T

17

4.

PABTS LOCATTON . . . . . . . B L O C KD I A G R A M

5

I1.

D I A L C O RD S T R I N G I N G

19

5.

C I R C U I TD E S C RI P T I O N S

6

1 2 . A D J U S T M E N T S, . , .

6.

PACKING

8

REGLAGE

7.

E X P L O D E DV I E W A N D P A R T SL I S T . . .

9

AJUSTE.

20

FICINEEFI ELECTFICINIC GCIFIPCIFIATION a I, Mesuno 1 Ljhome, Mesu.o-ku, Tokyo 1::3, Jspen PICINEEFI ELEC:THONICB lNC. 1925 E. oomnguez SE., Long Beach, Cahfo.nra go8lO u.S.A.. IUBAI PIGINEEFI ELEC?FIC,NlC N.V. Keerbenglssn 1, 2740 Beve.en, Eletg,um [EUnclPEI 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

C o n t i n u oAuvse r a gPeo w e0ru t p uits 2 5 w a t t s p* e rc h a n n m e li,n .a,t 8 o h m fsr o m 4 0 H e r t zo 2 0 , 0 0H0e r t zw i t h n o m o r e than0.3%o tolalharmonic distortion. Total HarmonicDistortion(40 Hertzto 20,000 Hertz, 8 ohms,from TAPE) continuousrated power output N o m o r et h a n 0 . 3 % 12.5watts per channelpoweroutput N o m o r et h a n0 . 1 5 % 1 watt per channelpower output No more than O.2o/" IntermodulationDistortion(50 Hertz:7,000Hertz= 4: 1, 8 ohms,fror;'rAUX) continuousratedpoweroutput No morethan 0.3% 22 D a m p i n gF a c t o r( 1 k H z , 8 o h m s ) mpedance) I nput (Sensitivity/l PHONO .....2.5mV/5Okilohms ' 150mV/50kilohms T A P EP L A Y ( T . H . D . 0 . 1 % , ,000H2) 1 P h o n oO v e r l o a dL e v e l . . 150mV PHONO Output Level . 1 5 0m V TAPE REC B , A s e riesB.off . . . . A , SPEAKER FrequencyResponse P H O N O( R I A A E q u a l i z a t i o n ) . 30Hz to 20,000H2t0'5dB .... l5Hzto50,000Hz+ldB TAPEPLAY Tone Control r9dB (100H2) B A S S. ... rgdB(10kHz) TREBLE Loudnessfrntour (Volum control setat-40d8 position) . . +8dB (100H2),+6dB (10,000H2) Hum and Noise(lHF, short circuited,A network) .....71d8 PHONOMM.. ...97d8 TAPEPLAY

C a p t u r e R a t i .o AlternateChannelSelectivity(400kHz) StereoSeparation(lkHz) FrequencyResponse

..2.ft8 . 50dB . 35dB oa [ ......70d8 ...45d8 ....100d8 ...45d8 ......31d8 . 2 7 d B t( 6 . 3 P V )

. . 30Hz to 15kHz,1!

SpuriousResponseRatio. lmageResponseRatio lF ResponseRatio. AM SuppressionRatio SubcarrierProductRatio. M u t i n gT h r e s h o l d Antennalnput 300 ohms balanced,75 ohms unbalanced

AM TunerSection Sensitivity lHF, Loop antenna lHF, Ext, antenna Selectivity Signal-to-NoiseRatio lmageResponseRatio lF ResponseRatio. Antenna

32OtNlm 30pV .....25dB ....43d8 ....40d8 ...'45dB AM LooP Antenna

Miscellaneous PowerRequirements . , AC 120V, 60Hz PowerConsumption. . . 125 Watts(UL),150 VA(CSA) Dimensions . . . . 4 2 0 ( W ) x 9 8 ( H lx 2 1 4 ( D ) m m 1 6 - 9 / 1 6 ( WX) 3 - 7 1 8 ( HX) 8 - 7 1 1 6 ( Di n ) Weight(without package) . . . 4.3 kg (9lb 8 oz)

FurnishedParts FMT-typeAntenna AM Loop Antenna OperatingInstructions

.....1 1 1

FM Tuner Section

*UsableSensitivity

50dB OuietingSensitivity **MONO STEREO Ratio Signal-to-Noise MONO STEREO Distortion(at 65dBf) 1kHz. MONO STEREOlkHz.

...10.7dBf (0.9pV) ....15.3d8f (1.6pV) .37.6d8f(21pYl ....75d8(at85dBf) 7 0 d B( a t 8 5 d B f ) 'O'3Yo .'0.67o

*Measured pursuant to the Federal Trade Commission's Trade Regulationrule on Povnr Output Claimsfor Amplifier. *'FM muting functions with this unit when the signalsare weak. The unit's internal wires are therefore treated so that the signals ara not muted when the sensitiviry is measured. NOTE: Specificationsand designsubiect to possiblemodification without notice,

2. FRONT PANELFACILITIES

L;Nt';K t;K

-IFUNCTION

l-*'-'

L FI-EI-E

r6"

O PowERswtrcH

@ voLUMEcoNTRoL

Push this to s1^ritch on and off the unit's power. Power is suppliedat the depresed ( - ) switch position (ON) and (I) position(OFF). turnedoff at the released

Use this to adjust the volume of the sound delivered throughthe speakers or headphones. The volume is increasedwhen this control is rotated clockwisefrom the minimum "0" position.

@ HEADPHoNEJAcK Connectthe plug on the stereoheadphones to this jack when listeningto soundthroughheadphones.

@ ToNEcoNTRoLs BASS

: The bassis increasedwhenthis control is rotated

clockwisefrom the centerposition and reduced when rotatedcounterclockwise. TREBLE : The treble is increasedwhen this control is rotatd clockwisefrom the center position and reducedwhen rotatedcounterclockwise.

@ BALANcEcoNTRoL This is normally kept at its center position. lt is rotated when the volume of sound deliveredthrough the left and right channelsof the speakersor headphones differs. The right channel volume is reducedwhen the control is rotatd toward the LEFT from the center position while the left channel volume is reduced when it is rotated towardthe RIGHT.

O FuNcrtoNswtrcHEs PHONO : Presswhen listeningto records. FM : Presswhen listeningto FM broadcasts. AM : Presswhen listeningto AM broadcasts.

@ TAPE (ADPT)SWITcH This is depresed when using a tape deck or adaptorunit connectedto the rear panelTAPE/ADAPTORjacks.

SWITcH @ LOUDNESS Depressthis switch to the ON position when listeningto sound at a low levelof volume.This will enhancethe bass and treble and give more life to the sound evenat a low volume.

@ T U N I N GI N D I c A T o R( T U N I N G ) This lightsup to indicatethat an FM, AM stationhasbeen tunedi n.

@ srEREotNDtcAToR(srEREo) This lights up automaticallywhen an FM station broadcastingin stereohasbeentuned in.

swrrcHEs @ SPEAKERS These are used to selectthe speakersthrough which you w i l l l i stento the sound. The selectedspeakersare now working. A: The sound is heard from the speakersconnectedto the speakerA terminalson the rearpanel. B: The sound is heard from the speakersconnectedto the speakerB terminalson the rearpanel. No soundwill be heardwhen SPEAKERSA and B switches are both released. This is the positionat which the sound can be heardthrough the headphones. NOTE: No sund will be heard through the geakers when both the A and B switches are depressed if only one et of speakerc has been connected to either the A or B SPEAKERS terminals.

@

FREoUENcYscALE

This indicatesthe frequencyof the broadcasting station ( F M ,A M ) . The top levelfigures(88 - 108) indicatethe FM band. The bottom levelfigures(55 - 1601indicatethe AM band.

@

T U N T N GK N o B

Rotatethis knob to pick up stations(FM, AM).

@

P o w E Rt N D t c A T o R / D t ApLo t N T E R

3. PARTS LOCATION NOruSr . o

.

Parts uithout part number connot be supplied. morh found on some component ports indicotes the impottonce of the ?he I 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 PanelView Speaker knob AAD608

Bonnet AN E4I O

Front oanelassemblv Tuning knob AAA{84

ANM-292 AAD€O5 P h o n ej a c k AKN{45

Knob B

( B A S ST, RE B L E ,B A L A N C E } AAB-317

e--

KnobA lvoLuME) AAB.3'I6 Function knob A {TAPE, LOUDNESS) AAD6O6 Function knob B { P H O N O ,F M , A M ) AAD€O7

RearPanelView Earthterminal

AC socket AKP-O39 Rear panel

Complexterminal AKX-073

Top View A **

A *

Fuse(T 1.6A) AEK-121

Powertransformer1120v) ATT.942

Switch assembly

ADG-073

4. BLOCK DIAGRAM FM F R O N T E N D ( 1 / 3 )

FM IF AMP

I

t-3 O O O |

FM

I |

BAL

75o

L-UNBAL

l- GND AM I LooP L ANT

FMIFIDET MPX

L au9 LJ sr-s

TOR IN

rdLF

(4/41

D6 TUNING

S METER

--* ar, I

DETECTOR

':*" I

vco DET. OUT- p 691

STEREO

Q6 SlG. IN

Q4

LED DRIVER

L OUT

FM MUTE +82 AM D4

AM FRONT END

lLch

ernv

trsomvl

(t/21

sr-5 LOUDNESS (2/21

P O W E RO N / O F F M U T I N G TONECONTROL vR2-2,2-3

E q U A L I Z E RA M P

REC

i- rroro

sr-4 TAPE

^:

lz.smvl

+q2 -(v4l lt5omvl.

a 5[,

I

_ l r 4 .r v I

1,"=rd;Tt--17

fT", (3l4.,4/41

POWER AMP sr-4 (2/2't

l-enor.ro

I Rch

PHONES

G:405dB

sr-5 (2/2 |

REC

L PLAY POWER SUPPLY 8

TO

PROTECTOR

Rch

, 1,,

S PEAKE RS

s2-2

+82 ( 13.4V

srol

;o\--\-

,\r #E

\rs

D

7

9

z'

t0 tl

1

2

3

4 @

? ' 2 0

A

B

V. I

C

s"-