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Service Manual

1. CNIO3 B CPIOS CNOA JCPIO4 CNIOS 05 7 CNIO6 6 ail 1 l stall 2 7228 N 7O2A 3 3 oreration c e 0221 C INPUT SELECTOR VOLUME P C 8 P AC IN VOLTAGE ADJ P C B CAPAT BLOCK POWER SWITCH 8 SU VX500 BLOCK DIAGRAM 5101 I 6 INPUT 201 0105 103 4 8 SELECTOR MODE I 00002404 pom TONE AMP P4 vR201 2 C8 8 PHONO LA 1 On VOLUME i 1 522224 3 17 T UPC457TOC l M i 1 il 6 A 4 4 LES p 21 4 j 2 0 EQ l Trable S202 2 BALANCE 5103 1 t LOUONESS 80 SELECTOR i 5 1 AUX Lon 8202 1 Y E LOUDNESS TONE CONTROL ere i TUNER U Od pit co EN 11 5 1 i D 1 179 l gt DIRECT PLAYBACK i i i oom di PLAYBACK T i 5205 7 ee POWER DIRECT t lt rs 4 4 Sla m t ala als C aa 0604 ta eim VOLUME POINT 41212 2 21 on 416 2 21 74
2. 15202 21 MODE vouosEss TONE CONTROL BALANCE TREBLE 8455 B sera SU VX500 SU VX500 iX 14 I5 5 _ 16 17 V AMP PC B Til Pawer rramatarmar i GENES k Q ORE PHONES VOLTAGE ADJ aC IN SU VX500 17 18 19 20 21 22 UPCA4570C 8 SVI3205A im v AMP PC B 7062 18 Pin z2AS92EFPTA 25 1123 2 gt C1685RST 23C2631RSTTA Vol age conrrali amp 11227 Bi 2SA1309AQSTA gt 170BLTPE2 2SC3311AQSTA 301PQTA Power Source For GC area mE 2SA1535AQRS x 21357DEFTA 25 3944 5 2 2037 ai Tid Haase i n SR35200TB 165 A167ATA POWER PHONES V A29WATA MA4033MTA 4160 MA4036MTA A4180MTA Ca 20 IN AC OUTLETS Cathode Cathode VOLTAGE 4 8 A AC in TE 5de mm r Ti p P300DLF 1014304P 4018304 Cathode F e ilumSwiITCHEDI igwiTCEHEDI w I u mmf fia Cathode VOLTAGE ADJ NNECTION DIAGRAM i Ea FRR eno DIRE ales m Rm ii E il LE CT ct REC IPLAY REC OUT OUTI B o l l a
3. input selector INPUT SELECTOR This selector is used to select the sound source to be heard such as a disc radio broadcast etc 7 Phono cartridge selector PHONO SELECTOR This selector should be set to the position which cor responds to the type of cartridge used on the turntable Mode selector MODE This selector is used to select stereo or monaural operation Loudness switch LOUDNESS This switch is used when listening to music at a low volume level Auditory perception of sound in the low frequency range falls off at low volume but when the switch is set to the ON position this deficiency is compensated for so that the full impact of the musical performance can be enjoyed HO Tone control switch TONE CONTROL This switch is used to set the tone control circuit bass treble on or defeat off 11 Balance control BALANCE This control is used to adjust the left right volume balance 12 Tone controls BASS TREBLE The bass control is used to adjust the low frequency sound range and the treble control is used to adjust the high frequency sound range 13 Speaker selector SPEAKERS This selector is used to select the speaker systems to be used OFF No sound will be heard from the speaker systems A Sound can be heard from the speaker systems con nected to the A terminals B Sound can be heard from the speaker systems con nected to the B terminals A B BI WIRING Sound can be hea
4. CIRCUIT 7 m T Y6X5 XOX SX o mm T X6 XS Ka 3X2 X ma X ENS 4 X3 X2 142 3 445 6 7 8 99 1 2 2 4 AS ISL XB C X2 AX XSX6 478 19 2 XS X4 XS ATC X2 13 Xa 9 22 3 4 5 i IC50I m 20132054 i 12501 POWER i 1 ERE 211111 111111 11111 11 lj 8451 0000 DI CANA UL LI 2 4752 L ch 55 2S81357DEFTA TUNER REGULATOR s L R ch 55 aM 8828 0504 58 xt 820 4160 8529 nd H eet 85 1509 05 6509 50410 x controt V 65 0751 9751 adj U ch 26012280 11802 MA4180MTA Wor QU i 55 35 33 Fy z 25 3 4 9754 075527 Voltage control V 25 4 awto amo 1 iamp idling ICQ x a 23 odj R ch 587 So 9451 452 x 2SC263IRSTTA 2 CURRENT STASILI ZER zz 8 gt 23 0453 454 Lee 25 432v 4 EN I REGULATOR 2SC331IAQSTA i 9751 0709 LIMITER 2 1502 550 8512 504 EN 2SD2037DEFTA 63 22 es ig 2801 2401 18 REGULATOR 0455 456 ue 53 185 2SAI3O9AQSTA 3 woe asa 55 LIMITER gt 3 1 o 8520 ets s 85 785 8894 0457 458 0459 460 g lao e 2x F 2SC263IRSTTA 2SAM23RSTTA 458 588
5. 9 Q AAR REC OUT 5102 0602 REC SELECTOR VOLTAGE CONTSISL TAPE2 DAT REC vR20I 3 VOLUME 0401 ANTOG2N VOLTAGE AMP 4 3 19 i 153 4 Un Limiter Er 0457 461 POWER AMP 10458 462 p 4181 Cioss Mec ome 5 54 Cascode 54 DA 3 9465 31 Brige 9465 134 Bios v network mre i E E 0459 463 qoc Current t 1 e 0460 464 gt SPEAKERS L ae G ju 4 5 Cp 4 C t Jindigates pin ae No of right cnoanei 94353194361 1 D E 28108 T oisi aM SM aY 10482 a 2 lt 6501 3503 NFO Reloy drive 2 i LED drive t SPEAKERS ar gt 0603 CURRENT ORIVE 230 240 15076092 L MEASUREMENTS AND ADJUSTMENTS e ADJUSTMENT Control positions and equipment used Minimum e AC and DC electronic voltmeter EVM 1 VOLTAGE CONTROL V ANP IDLING ICO ADJUSTMENT 1 Test equipment connection is shown in figure Connect the DC EVM on both channels 2 Completely turn the V amp adjusting volumes VR451 VR452 counter clockwise 3 Turn ON the set when it is cold and about 5 7 sec later adjust VR451 and VR452 so that the voltage is 25mV Also check that the volt
6. Stereo Integrated Amplifier SPECIFICATIONS DIN 45 500 MAIN ANP SECTION POWER AMP DIRECT Input 20 Hz 20 kHz continuous power output both channels driven 2 x 50 W 8 Q 1 kHz continuous power output both channels driven THD 1 2x65 W 8 Q 2X90 W 4 Q 63 H 12 5 kHz continuous power output both channels driven THD 0 7 2x60W 8 oM 2 x 80 W 4 Q Total harmonic distortion Power Amp Direct Input rated power at 20 Hz 20 kHz 0 00796 8 Q half power at 20 Hz 20 kHz 0 00596 8 Q Intermodulation distortion SO Hz 7 kHz 4 1 SMPTE rated power 0 007 96 8 Q Residual hum and noise 0 2 mV Damping factor 60 8 Q 30 4 Q Headphones output level and Impedance 540 mV 330 Q Load Impedance A or B BI WIRING 40 160 AandB 80 160 PREAMP SECTION Input sensitivity andimpedance PHONO MM 2 5 mV 47 kQ PHONO MC 170 pV 220 Q TUNER CD AUX TAPE 1 TAPE 2 DAT 150 mV 22 kQ POWER AMP DIRECT 1 V 18 kO Phono maximum Input voltage 1 kHz RMS MM 160 mV IMF 66 MC 12 mV IMF 66 Technics ervice Manual Amplifier Color K Black Type Areas Country Code Area Color E Continental Europe EB Great Britain EG F R Germany and ltaly K Asia Latin America GC Middle Near Eastand Africa GN Oceania S N rated power 4 PHONO MM 78 dB 85 dB IMF 66 PHONO MC 66 dB S 250 uV 67 dB IHF 66 97 dB 99 dB IHF 66 POWERAMPDIRECT 106 dB 115 dB
7. terminals Connect a first tape deck Tape deck 1 not included LINE IN LINE OUT Digital audio tape deck DAT not included LINE IN LINE OUT ANALOG PML FNL 27 e POWER AMP DIRECT terminals Connect a compact disc piayer A superior level of tone quality can be obtained because the signal from these terminals are sent directly to the volume con trol and power amp section of this unit The sounds from a component connected to these terminals can not be recorded Compact disc player included _ LINE OUT 2 To connect the AC power supply cord uncluded Connect the AC power supply cord included after all other cables and cords are connected QST VLA cR LS U e ere red CR ny Fit a suitable plug to the AC power supply cord Connection to speaker systems One pair of speaker systems can be connected to the A terminals of this unit and one pair to the B terminals or only one pair of bi wired speaker systems can be connected to ail terminais Make connections to each speaker system by using speaker cords not included Main A speaker systems not included right Load impedance e When only the A or only the B terminals are used 4 16 ohms eWhen both the and the terminais are used simultaneously 8 16 ohms When bi wired speaker systems are used 4 16 ohms HO C
8. 452 2SC2031RSTA TRANSISTOR 501 504 SLQYI8G 10 Q453 454 2SC3311A Q TRANSISTOR 551 ELEPK2R2MA COIL 0455 456 2SA1309A R TRANSISTOR 0457 458 25 2631 5 TRANSISTOR TRANSFORMER S 0459 460 2SAII23RSzA TRANSISTOR 0461 462 2SC3944AQRS TRANSISTOR TI RTPIN5E011 POWER TRANSFORMER A E EB EG GN 0463 464 2SAIS3SAQRS TRANSISTOR TI RTPINSEQI2 TRANSFORMER A GC Q465 466 2SCIG8SRST TRANSISTOR 0501 503 QSA99QEFPTA TRANSISTOR FUSE S 0751 2SD2037DEFTA TRANSISTOR Q752 2SB1357DEFTA TRANSISTOR Fl XBA2C25TBO 250V T2 5A A E EB EG GN Q753 754 2SKO0IPQTA TRANSISTOR FI XBA2C50TBO FUSE 250V T5A A GC Q755 2SA1309A R TRANSISTOR F2 XBA2C25TBO FUSE 250V T2 SA A GC DIODE 9 SWITCH ES D101 102 1MAI10 DIODE SI ESB8249V POWER A D401 402 MAI67 DIODE 52 ESD26200A SW VOLTAGE SELECTOR A F EB EG GN D403 404 MA4036MTA DIODE S2 ESE37263 SW VOLTAGE SaECTOR A GC D405 406 MAI65 DIODE S101 RSR6B002 J 9 INPUT SELECTOR D451 MA29WA DIODE S102 RSS6D001 S SELECTOR 53 456 165 DIODE S103 RSS2D006 A 5 PHONO SELECTOR D501 503 16 DIODE S201 ESB68107 SW MODE D503 MA4160M DIODE S202 ESB68132 SW LOUDNESS TONE D504 4160 DIODE S203 RSP2DX8 A SW POWER AMP DIRECT 0601 ISR35200TB DIODE 5501 RSR4B004 A SW SPFJIKER SELECTOR D602 LN014304P L E D 0603 604 LN018304P LLD D605 MA4033TA DIODE CONNECTOR S D702 705 P300DLF DIODE D751 MA4180 M DIODE CN101 RJU003K010U SO
9. 50V 100 C305 306 820 5 50V 62 C307 308 ECAIHPXS4R7B 50 4 70 C309 310 ECBTIH390J5 50V C311 32 ECAICPXS100B 100 C313 314 ECQVIH923JZ 50V 0 082U C315 316 ECQBIHIS3KF3 SOV 0 0150 C317 318 ECQBIHI83KF3 SOV 0 0180 C319 330 ECQBIHI82KF3 SOV 1800P C321 322 ECBTIE23ZF 25 0 0220 C401 402 ECAIHPXS3QB 50V 330 C403 44 ECCRIHZ7IKS 30V 270 C405 406 ECAICPXS220B lev 20 C407 408 ECBTIH820KB5 8 C409 410 ECBTIHIOOJS 412 ECBAIHOSIKBS 50 680 43 414 ECCV2H070D 500V C415 416 ECQBIHI02KF3 50 1000P C420 1 102 5 50V 1000P C427 ECBTIE222ZF 25V 0 022U C428 ECKRIHI03ZE5 50V 0 010 451 452 ECKRIH33 3ZF5 SOV 0 0330 C453 456 ECCV2H680K 300V C457 460 ECEAIHKA3R3B 50 3 30 C501 504 ECAOJPXSI0IB 6 1000 C505 506 473173 SOV 0 047U C507 ECEAOJK U0IB 6 100 C508 0 47U C509 ECEAIHNIO0SB 100 C511 512 ECBT1H180J5 50V C513 518 473 73 50V0 047U 519 522 ECOQBIHIS3KF3 50V0 015U C523 524 ECBTIHI02KB5 50 1000P c o c on Ref No Part No Part Name amp Desc
10. 881 E CLASS AA AMP CLASS AA AMP R ch R457 0451 MA2ZSWATA E201 SU VX500 SU VX500 10 11 12 13 __ 14 15 E OPERATION CIRCUIT 0 0 7777 050 503 25 4992 1 3 1 C409 550 SOKIB 0018 10P 5501 SPEAKERS _ RELAY 2RIVE LEO RIVE i 1 8 2 3 058 2 io id2ASB gISWIRING i i IC4OI 3 21 ANTOG2N 411 855 535 sever VOLTAGE AMP og 1 on i c 8566 yo 22 2002 i i 58 ases 050 mo i 2d i 22 20d 25 20 21 0401 i 2SAM23RSTTA e PRE DRIVE S AO GAE 08 B B L 55 E au ox vo 81 RAF vor lt N ang _ POWER DIRECT L 1 edP 0 Co DW Y 2 L l BEST E 4 4 Pod 2800 z o i 4 222 995 on aum 35 ot wie pba i Q503 CE _ nmm 2 I 3 9K A o 59 45 E 18 C3 bod A 120 1 5 9 8 _ RN 28001 538 jm u u _ 26 25 85 234 258 856 191 220K 16 10 5 50 18 01 s ANN mis 25 2x4 TEE 2552 8568 Oe 1 i t5 TBE J 50
11. IHF 661 S N at 26 dB power 4 PHONO MM 76 dB PHONO MC 66 dB TUNER CD AUX TAPE 1 TAPE 2 DAT 84 dB SIN at 50 mW power 4 Q PHONO MM 75 dB PHONO MC 66 dB TUNER CD AUX TAPE 1 TAPE 2 DAT 78 dB Frequency response PHONO MM RIAA standard curve 0 8 dB 390 Hz 15 kHz TUNER CD AUX 1 TAPE 2 DAT 3Hz 100kHz 0 0 dB 0 2 dB 20 Hz 20 kHz 2 Hz 120 kHz 0 3 dB 0 dB 0 2 dB 20 Hz 20 kHz POWER AMP DIRECT Tone controls BASS 50HZ 10 dB 10dB TREBLE 20kHz 10 dB 10 dB Loudness control volume at 30 dB 50 Hz 9 dB Output voltage TAPE 1 TAPE 2 DAT REC OUT 150 mV SU VX500 GENERAL Power consumption 530 W Power supply for Great Britain and Oceania F R Germany Italy and Continental Europe AC 50 60 Hz 230 240 V for Others AC 50760 Hz 110 V 127 V 220 V 240 V CONTENTS Page BEFORE REPAIR AND ADJUSTMENT 2 PROTECTION CIRCUITRY 0 202000 0 2 ACCESSORY 2 We ow Rees PRSE 2 LOCATION OF 5 3 65 4 6 DISASSEMBLY INSTRUCTIONS 7 10 SCHEMATIC DIAGRAM 11 14 Dimension W x H x D Weight 8 1 430 125 316 16 15 16 4 15 16 12 7 16 kg 17 82 Ib Notes 1 2 Specifications are subject to change without notice Weight and dimensions are appro
12. 0 R507 508 ERDFS2VJ12IT 120 C001 002 ECEDIHT682P 30V 68000 R303 304 ERDS2TJ823T 1 AW 4 RS509 512 ERF2EXKRIOV 2W 0 1 CIA ECKWNSI03ZVS 500V 0 010 Ref No Part No Values amp Remarks Ref No Part Na Values amp Reaarks C101 102 1 1205 XV C525 526 ECQBIH272JF3 50 2700P C103 104 ECBTIHIQKBS XV 1000 C531 532 ECBTIC ZKRS 16V 3300P C105 106 ECBTIH820KB5 50V 82 551552 ECEAIJUOIOB 63V IU C107 108 0 222 6 3V 22000 C601 ECAICM221B 2200 C109 110 ECKWIH22KBS 50 2200P C705 700 221 63V 200 112 ECQBIH122KF3 50V 1200 707 709 JECAIJAP220B 6V 220 C113 14 ECQBIHI03KF3 50 000 C711 ECQE2104KF3 010 15 116 ECQVIH393JZ3 SOV 0 0390 71 ECKRIHI03ZF5 50V 0010 C117 118 50V lU C751 756 ECAIHPXS4R7B 50V 470 19 120 ECQBIHADKF3 50 4700P C121 122 ECKRIHIOSZES 50 0 010 13 124 ECBTIH270JS XV 27 C125 126 ECBTIHISIKBS 30V 10 C201 210 ECCRIHIOIKS 30V 100 C213 214 ECQVIH563 Z3 SOV 0 0560 C219 220 2 5 50V 270P C221 224 8 5 50V 180P C225 26 ECCRIHIOTKS 30V 100 C301 02 50V 3 30 C303 34 01 5
13. 3 SJF3069N AUX TAPE REC OUT JACK CP404 RJT003K010M1 CONNECTOR 10 JK104 SJF3069N TAPE1 PBAAPE2 REC OUT JACK 501 RJTO571004 1 CONNECTOR 4P JK105 SJF3069N TAPE2 PB POWER AMP JACK CP601 RJTOO3KD08M1 CONNECTOR 8P JK501 RJH4801 1 SPEAKER TERMINAL JK502 QJA0455ZC A HEADPHONES JACK Notes Capacity valuse are in microfarads uF unless specified otherwise P Pico farads pF F Farads F Resistance values in ohms unless specified otherwise IK 1 000 0HM 1M 1 000k OHM Ref No Part No Values amp Remarks Ref No Part Na Values amp Remarks Ref No Part No Values amp Remarks R305 206 ERDS2TIZ2MT JW 20 R513 516 ERDFS2VJ100T 1 4W 10 RESISTORS R307 308 ERDS2TJ392T 3 9K R517 518 ERDFS2VJ1ROT 1 4W I R309 310 ERDS2TJ223 1 4 22 R519 520 2 1 4W 10 RIOI 104 2 02 14W IK R311 312 ERDS2TJI02 14W IK R521 522A ERDSIFVJL00T 1 2W 10 R105 106 ERDS2TJ274 14W 270K R313 314 ERDS2TJSQ2 1 AW 5 6K R527 527 023 1 4W 2K R107 108 ERDS2TJ221 14W 220 R315 316 ERDAS3G392T 1 4W 3 9K R528 5211624 AW 820K R109 110 JERDS2TJ2200T 14W 2 R317 318 ERDAS3G22T I AW 22K R529 ERDS2TJ124T 1 AW 120K Rlll 116 ERDAS3G32T 1 4W 3 3K R319 20 ERDS2TJ183T 14W R530A ERDSIFVJ682T 1 2W 6 8K R117 118 ERDS2TJ151 1 4W 13 R401 402 ERDS2TY122 1 4W 1 2K 531 532 ERDSIFVIOUT 1 2W 10 R119 120 527 00 I AW 10 R403 404 ERDS2TJ823T 14 82K 54 E
14. 447 gt 779 an H 4322 a 552 A gt 2 E pg Ba x Las 1 25 T 3 133 NT 48500 2 01 22 I on me Lay O 5 4 i 9 5 ej Q465 466 IC S01 Q461 462 0463 464 2SC3944AQRS 25415354085 CLASS 25 168585 SV13205A E cQ ADJ POWER AMP Q4 a Voltage controli V 1 I amp idiingt CQ lt adj point 5 WITCH G 00 40 TPA 0090 00 MAIGSTA LS ET o r RLSOZ 4 2 8528 0504 501 MAGIGOMTIE MAIGSTA 8 i co 50409 ld 2122 EE JK502 23 ME AOPHONES ed 52 L503 ae 4 BS Sq 8513 RS 8 19 114110 174310 i 53 0702 705 581 P3000LF CLASS 8 nnn no RSG ip VAWO 520 2 A hu x asi 1583520018 VZW12 230 240 56 16 17 18 19 This schematic diagram be modified at time with the development of new technology Notes eSi Power POWER switch in ON position 52 Voltage select VOLTAGE SELECTOR switch 240 V position E Voltage select VOLTAGE SELECTOR switch in 220 V position GC eS101 Input select INPUT SELECTOR swi
15. 6 3 0 8 AUX va20 vR201 2 2SKI7OBLTPE2 8 0 001 3 CD AUX 20K 81 20K 81 DIFFERENTIAL _ A EQ z Phono signal 1208 AIQI 1 100301 1 CN201 1 2 6301 R30 50V33 560 Sosi i 2 20111721 I 252 5 2635 58 25 zx les s Bisa 172 H 5 EE EL ex ABL n ior 1 2 PHONON eh o 7 n gt Sek Em UPC4570C 4 i 5 03 24 04 2 tCIO PHGNG EQ 1 1 L R ch 0 hee 1 5 Ne C301 a d o2 RI20 10 ei z 9 EE UPC4570C gt A 25528 TONE AMP 2209 ICONTROLI 8 e x wp T 1 156 i RIO RI26 l i ar es 22 wo 9102 5 6 8K 5 os 27575 m uc T TS 25 SSF ilm SEEN 28558 21200 3 v 0116 1 0038 00 1 tus 5 2 2 402 pE m 1200 282 eec 05 zz mec out signal Lea 50v33 560 2 220K BEN 555 388 8202 2 j 28 373i zS i j af on LILOVONESS 15 v PELE GX2XD 201 an 1 MODE _ x 3 d 1 SES zz 5 2 452 MAIN
16. 9 C O To connect cords to terminals D Strip off the outer covering and twist j Second B speaker systems center conductor 10 mm Twist not included 13 327 Turn completely to the left 2 3 Insert the wire and turn a completely to the right Pull the cord to assure proper connection Note Be sure to oniy connect positive cords to positive terminals and negative cords to negative terminals right left Note To prevent damage to circuitry never short circuit the plus and minus speaker wires 1 BB Bi wiring The treble range and the bass range of the speaker systems are connected to the speaker terminals of the amplifier by using two speaker connection wires separately for each As a result of making connections in this way sound can be reproduced with much greater nuance and detail with the feel ings of air oscillation and deepness of sound provided by an input source that suppresses reciprocal band range interference Refer to the operating instructions of the speaker system Note Connect only bi wired speaker systems in this way eReplacement of the Foot 1 Remove the 4 heat melted posts on the chassis with a pair of Heat Meited Posts nippers or similar tool 2 To replace the foot RKA0009 1 on the chassis melt the 4 posts with a soldering iron Foot ASSEMBLY INSTRUCTIONS NTIO
17. CKET IOP CN102 RJU003K008M1 SOCKET 8P VARIABLE RESISTOR S CN103 104 RJTO60B05 CN105 107 RJU057W007 SOCKETS VR201 RRVI6J02A V R VOLUME CONTROL CN201 003 010 1 SOCKET 10 Ref No Part No Part Name amp Description Remarks Ref No Part No Part Name amp Description Remarks CN202 SJS50382JQH SOCKET 3P FUSE HOLDER S CN401 402 RJT060B05 CONNECTOR 5P FCI 2 EYF52BC FUSE HOLDER CN403 RJT060B07 CONNECTOR TP FC3 4 SJT388 FUSE HOLDER GC CN404 003 010 1 SOCKET 10 CN501 RJU0S7T004 4P RELAY CN601 003 008 1 SOCKET 8P CN701 RJP1A3303 CONNECTOR 3P 501 502 SSY134 RELAY CN702A 1 1703 SOCKET 3P RL503 RSY0009 0 RELAY CN702B RJSIA1704 SOCKET 4P 01 RJTOO3KDIOM1 CONNECTOR 10 JACK S CP102 RJTOO3KDO8M1 CONNECTOR 8P CP103 104 RJUO60GOST 5P JKI SJS9231 1B JAC INLET A E EB EG GC CP105 107 RJTOS7W007 1 CONNECTOR 7P JKI SJS9234B AC INLET A GN CP201 RJTOO3KDIOM1 CONNECTOR 10 JK2 4 5159233 OUTLET A GC CP202 SJT30345JQ 0 SJF3057 9N PHONO JACK CP401 402 RJUO60GOST JK102 SJF3069N TUNER CD JACK CP403 RJU060G07T JK10
18. N 20 RSQ0022 REMOTE SWITCH REC RJA0004 POWER SUPPLY CORD GC 21 RSQ0023 REMOTE SWITCH PHONO A3 SJP9215 AC PLUG ADAPTOR GC 2 RGKD394 A IRING 23 RGKDAD K SIDE ORNAMENT L 24 RGKD4I3 K SIDE ORNAMENT R 25 RGK0414 K VOLUME ORNAMENT 26 RGLOI34 C ORNAMENT 27 RGLOI36 C ORNAMENT 28 RGUOGII K BUTTON POWER AMP DIRECT 29 RMRO460 K HOLDER 30 RMRO0461 K HOLDER 31 RMR0502 HOLDER 32 RSC0245 SHIELD PLATE 33 XTBS26 8J SCREW 34 SHE187 3 SPACER 35 SHR9814 CLAMPER 36 SJS9231A INLET COVER E EB EG GC 36 SJS9234A INLET COVER GN 37 SNE2123 GND SCREW 38 XTB3 16JFZ SCREW 39 XTB3 20JFZ SCREW 40 XTB3 8JFZ SCREW 4 115348 SCREW 43 RGKD415 K UPPER PLATE EB 4 SJS9233A OUTLET COVER GC PACKAGING A3 For GC area only Pad lt x Pad x Pad x Pad 8 FRONT x P2 P1 Pad Ass y 539
19. N SERVICER assis components may have sharp edges Be careful when disassembling and servicing o Removal of the cabinet Removal of the front panel ass y ure Procedure Cabinet 1 2 Front panel Remote switch controller the 6 screws 1 Remove the remote switch controller 2 Remove the screws Q 9 smoval of the remote switch controller Replacing of the remote switch controller temove the 4 claws 1 Turn the selector knobs to the arrows 2 Put the switch slider of switch to end and put in the remote 102 REC SELECTOR S103 PHONO SELECTOR switch controller Claws Lever Remote switch controller Rec selector knob t itch Remote switch controller Phono selector Switch knob No Removal of the volume Ref No Removal of the remote switch 2 4 controller cedure Procedure 2 3 Claw Volume knob du Remote switch Volume P C B controller L tthe volume knob 1 Puil out the 2 knobs nut 2 Remove the 2 nuts e the 1 claw 3 Remove the 1 screw e the volume P C B in the direction of arrow 4 Remove the remote switch controller in the direction of arrow Removal of the operation P C B and input selector P C B 1 2 3 5 C longer than 22 mm eUse wrench of the dimensions shown in the
20. RDS2TJ182 1 4W 1 8K 21 122 ERDS2TY101 1 4w 10 R405 406 IERDAS3G272T I AW 2 7K 555 558 ERGISJS61E W 30 R123 124 ERDS2TIISI 1 4W 15 R407 408 ERDAS3G823T 14W 82K R559 560 ERGISJIO2E IW IK R125 126 ERDS2TJ682T 1 AW 6 8K R409 410 ERDS2TJ561 560 R561 562 ERGISJISIE R127 128 ERDS2TJ823T 1 4W 6 R411 412 ERDFS2VJ470T 1 4W 4 R563 564 ERGISJISIE IW 19 R129 130 ERDS2TJ334 1 4W 330K R437 ERDS2TJ473 1 4W 4K R565 570 ERDS2TJ223 IW 2 RI3L 132 ERDS2TJS61 1 4W 560 R451 452 ERDFS2VJ182T 1 AW 1 8K R601 A ERDSIFIDO 1 2W 12 R201 210 ERDASGIT 14W 1K R455 456 1 4W 390 R604 ERDS2TJ471 470 R211 212 RMS30223T I AW 22K R457 ERDS2TJ823T 82K R607 ERDS2TJ391 1 4w 390 R213 214 ERDS2TJ183T 1 AW R459 460 ERDFS2VJ10IT 1 4 100 R707 708 ERDFSVJeRST 14 68 R215 216 ERDS2TJ332 1 4W 3 3K R461 464 ERDS2TJ223 JW 22K R709 710 ERDFS2VJ470T 1 4W 47 R217 ERDS2TJ824 1 4W 820K R465 468 ERDFS2VJ10IT 1 AW 10 R751 752 ERDFS2VJ221T 220 R219 220 ERDAS3G272T 1 4W2 7K R469 470 ERDFS2VJ821T 820 R753 754 ERDS2TJI83T 18K R221 224 ERDS2TJ471 14W 470 R471 474 ERDFS2VJ2R2T I AW 2 2 R755 ERDS2TJ102 1 4W IK R225 226 ERDAS3GI02T 14W R501 502 ERDS2TJ362T I4W 3 6K R23L232 ERDAS3G472T 1 AW 4 7K R503 504 ERDFS2VJ12IT 1 AW 120 CAPACITORS R233 234 ERDASGIMT 1 4 120K R508 506 ERDS2TJ30T 1 AW 3 9K R301 302 ERDAS3G561 1 4W 56
21. Remove the 1 flat cable CN702 Remove the 8 screws Procedure 1 2 7 9 11 12 13 1 Unsolder the power IC 2 Remove the 2 screws eWhen mounting the power IC and heat sink apply silicon thermal compound RFKX0002 or equivalent to the rear of the power Removal of the capacitor block Removal of the power transformer Procedure Procedure 1 14 1 15 1 Power transformer Capacitor P block o CN702 1 Remove the 1 connector CN701 2 Remove the 2 screws 1 Remove the 1 flat cable CN702 3 Release the 2 claws 2 Remove the 5 screws Q 9 Ref No 16 Procedure 1 2 16 Rear panel Check of the main P C B 1 Remove the 4 screws Q O Remote switch controller 3 Remove the bottom chassis 4 Reinstall the front panel ass y to the main P C B and place the unit as shown right 5 Reinstall the remote switch controller to the switch 10 SU VX500 sSuU vX500 SCHEMATIC DIAG RAM Parts list on pages 22 24 1 2 23 4 5 6 7 8 9 10 E PHONO CIRCUIT INPUT SELECTOR CIRCUIT D VOLUME CIRCUIT 2 4 TUNER F me gt p n rY n P T ase 0 A TUNER 5101 yee VOLUME 0101 104 2 270 So PHONO ceo cinput 2 S PHONO 6122 REC SELECTOR
22. age is 25 30mV standard 27mV after lapse of 10 15 minutes Below 50mV after lapse of 20min 45 eADJUSTMENT POINTS 1 VR452 TP451 35 2 V Amp R ch VR451 V Amp L ch P d REPLACEMENT PARTS LIST Notes Important safety notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only manufacturer s specified parts The parenthesited indications in the Re arks columns specify the areas Refer to the cover page for area Parts without these indications can be used for all areas Ref Na Part No Part Name amp Description Remarks Ref Na Part No Part Name amp Description Reaarks VR202 EVJO2QFA2GI5 V R BALANCE NTEGRATED CIRCUIT S VR301 302 EVIYAIFAZ2CIS V R BASS TREBLE CONT VR451 452 EVNDXAAOOB3 ICQ ADJ V AMP 1 101 UPC4570C C PHONO EQ AMP 1C301 UPC4570C TONE AMP THERMISTOR S 1 401 AN7062N VOLTAGE AMP 1 501 SVI3205A POWER AMP TH201 202 RTD2ZHLI04T THERMISTOR ITRANSISTOR S COIL S 101 104 2SKI70BLTPE2 TRANSISTOR LI SLQZ650MH49 A E EB EG GN 101 402 25 1123 5 TRANSISTOR 1101 102 51173 COIL 0451
23. ate the operating condi tion of this unit VOLTAQE CONTROL When the power is switched ON this indicator illuminates when the unit is in the operation condition CURRENT DRIVE When the power is switched ON this indicator illuminates after about 4 seconds when the unit is in the operation condi tion If an abnormal condition in the circuitry is detected such as DC voitage appearing in the output or a short circuit of the positive and negative wires from the speaker ter minals the protection circuit functions and this indicator does not illuminate 3 Power amplifier direct switch POWER AMP DIRECT This switch is used to listen to the sound from a component connected to the POWER AMP DIRECT terminals When this switch is pressed inward to the ON position a superior level of tone quality can be obtained because the signals from the component connected to the POWER AMP DIRECT terminals are sent directly to the volume control and power amp section of this unit The mode selector loudness switch balance control and tone control circuit are bypassed 4 Volume control indicator VOLUME j There are two types of volume scale indications one for when or the power amplifier direct switch is OFF and one for when it is ON Indicator will illuminate 5 Recording output selector REC SELECTOR This selector is used to select the sound source to be record ed by the connected tape deck 1 and or tape deck 2 or DAT
24. fingers directly 9 Power SWITCH CIRCUIT 0960 48592 Power Source For GC orea _ AC IN AC OUTLETS VOLTAGE ADJ CIRCI n VOLTAGE PRINTED CIRCUIT BOARD DIAGRAM MAIN ee TIL r1 POWER T AUX lem DIPECT s pe co 5 IBEC GUT PLAYBACK QUT uw mz nu Js 11 SU VX500 SU VX500 5 6 28 8 9 A PHONO PC B SPEAKESS PHONO SELECTOR 1510 51 See 54822 22 p x 1 Li k 4 a eee 4 E af ER 3 151023 REC SELE IE EN m TAPEZ OAT b a b e 5 2 4 6 1 4 3 42 OPERATION PC B LOUDNESS INPUT SELECTOR P C B PHONO SELECTOR 1510 31 151011 TAPE 2 5 005 MD IN PUT SELECTOR TUMEM 3 4 i iog REC SELECTOR 1 TAPE DAT 5 cu 2 PH Q 1 2 TAPE i 2 DAT TUNE AUH POWER AMP DIRECT 2 2 ee ke CURRENT Ove ivot radiko x Mi 5 3 lt F m n ar R _
25. illustration above 1 Pull out the 5 knobs Remove the 9 screws Q O to remove nuts 2 Remove the 5 nut 4 Remove the 1 connector CP501 Procedure 1523 5 6 Power switch P C B Connector eRemove the 2 screws Q 5 Remove the input selector P C B in the direction of arrow No Removal of the V amp P C B No Removal of the power transistor Procedure Procedure 1 7 1578 Power ansistor Power transistor older point 1 Unsolder the power transistor 2 Remove the 4 screws Q 6 1 Remove the 1 screw Q e When mounting power transistor apply silicon thermal 2 Remove the V amp P C B in the direction of arrow compound RFKX0002 to the rear of the power transistor Ref No Ref Removal of the AC INLET VOLT R of the rear pan Procedure 1 9 1 Remove the 11 screws 1 Remove the 1 Screw 2 Remove the rear panel in the direction of arrow 2 Release the 2 claws of AC inlet cover Removal of the phono P C B lt Removal of the main P C B Procedure 9 1 9 11 Procedure 1 2 7 9 P C B angle Phono P C B Remote Switch Controller 1 Remove the 1 Screw 2 Remove the P C B angle 3 Remove the remote switch controller 4 Remove the phono P C B in the direction of arrow NA CN702 1 1 Remove the 1 connector CN701 2
26. rd simultaneously from the speaker systems connected to the A terminals and the terminals Or if bi wired speaker systems are con nected sound can be heard from them 14 Headphones jack PHONES CONNECTIONS Make connections to each component in the system by using stereo connection cables not included Stereo connection cable White L Red R a 9289 PHONO terminals Connect a turntable See Using the short circuit pins below Turntable not included Ground wire not included sing the short circult pins included Short circuit pins are inserted into the terminals to reduce noise Remove the pins before connecting a turntable and reinsert the pins if the turntable is later disconnected Never connect a short circuit pin to a REC OUT terminal or any terminal other than those above Phono input capacitance is about 470 pF Connect a tuner Tuner not included 8 0 c CD terminals Connect a compact disc player Compact disc player not included LINE 0UT 2 uu L e 0 9 x 9 s D Aux terminais F TAPE 2 0 terminals Connect a component such as a video disc player audio only con Connect a second tape deck or a digital audio tape deck DAT nectable etc Video disc player not included E TAPE 1
27. ription Remarks Ref No Part No Part Name amp Description Remarks 45 XYNMC FZ SCREW GC CABINET PARTS LIST 46 RWI3907130QQ CABLE ASS Y W702 RGWO124 K KNOB TONE PACKING MATERIALS RGWOID6 K KNOB SELECTOR RGW0127 K1 KNOB VOLUME RPG0975 PACKING CASE RKM0036A K CABINET E EG GC GN RPN0539 PAD RKM0179 K EB P3 XZB24X34C04 PROTECTION COVER SJPA11 1 SHORT PIN P4 SPBIQI PROTECTION COVER MANUAL SNE 129 1 P5 RPQUIGA ACCESSORY BOX XTBS3 8JFZ1 SCREW XTW3 8T SCREW ACCESSORIES SHR415 CLAMPER 10 SUS227 SPRING 451 452 Al ROFI226 INSTRUCTIONS MANUAL ASS Y RFKGUVXS00EK FRONT PANEL 55 Y Al RQF1227 INSTRUCTIONS MANUAL ASS Y RGROI29A D1 PANEL E Al RQF1228 INSTRUCTIONS MANUAL ASS Y 0 RGR0129A F1 PANEL EG Al RQF1230 INSTRUCTIONS MANUAL AS Y GN 0 RGR0129A E1 REAR RANEL EB GN Al RQF1229 INSTRUCTIONS MANUAL ASS Y GC 12 RGR0129B A1 REAR PANEL GC RFKSUVXSODEK INSTRUCTIONS MANUAL B 13 RGU0030 BUTTON POWER 1 RQTUCI B INSTRUCTIONS MANUAL EB 4 RGU050 K BUTTON MODE Al 1 RQTH amp D INSTRUCTIONS MANUAL EG 15 RHN00001 NUT RQTIIS G INSTRUCTIONS MANUAL GC GN 16 RFKJUVXS00EK BOTTOM BOARD ASS Y 2 0 0013 WARRANTY CARD 16 1 RKA0009 1 FOOT AL3 RQCBOI69 SERVICE CENTER LIST 17 RMN0143 HOLDER A2 SFDAC0SE03 POWER SUPPLY CORD A E EG 18 OLDER A2 SJA193 AC POWER SUPPLY CORD A EB 19 RMQ0259 ANGLE SJA173 AC POWER SUPPLY CORD A G
28. tage of the unit Power supply voltage AC110V AC120V AC 220V AC 230 V AC 240 V Consumed current 50Hz 250 540 mA 210 500 mA 90 370 mA 80 360 mA 70 350 mA I PROTECTION CIRCUITRY The protection circuitry of the amplifier may have operated if either of the following conditions is noticed No sound Is heard when the power is turned on Sound stops during a performance The function of this circuitry is to prevent circuitry damage if for example the positive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated Impedance of the amplifier are used I ACCESSORY Itthis occurs follow the procedure outlined below 1 Tum off the power 2 Determine the cause of the problem and correct it 3 Tum on the power once again Note When the protection circuitry functions the unit will not operate unless the power is first turned off and then on again power supply lt SFDACO5E03 gt For E EG areas lt SJA193 gt For EB area only lt RJA0004 gt For GC area only lt SJA173 gt For GN area only LOCATION OF CONTROLS 1 2 3 31 4j 5 6 QD 14 13 12 11 10 9 8 1 Power switch POWER 2 Operation indicators AMPLIFIER OPERATION MONITOR These indicators illuminate to indic
29. tch in position 95102 Recording ouput select REC SELECTOR switch 2 1 posit eS103 Phono select PHONO SELECTOR switch position eS201 Mode select MODE switch in STEREO position eS202 S202 1 Tone control TONE CONTROL switch in DEFEAT position off DEFEAT on ON 202 2 Loudness LOUDNESS switch in OFF position eS203 Power amplifier direct POWER AMP DIRECT switch in OFF position eS501 Speaker select SPEAKERS switch in position Positive voltage line Negative voltage line OSE Phono signal line Leh LL Recording output signal line Lch elndicated voltage values are the standard values for the unit measured by the DC electronic tester high impedance with the chassis taken as standard Therefore there may exist som the voltage values depending on the internal impedance of the DC circuit tester elmportant safety notice Components identified by mark have special characteristics important for safety When ri any of these components use only manufacturer s specified parts eCaution IC and LSI are sensitive to static electricity Secondary trouble can be prevented by taking care furing repair Cover the parts boxes made of plastics with aluminum foil Ground the soldering iron Put a conductive mat on the word table Do not touch the legs of IC or LSI with the
30. ximate Total harmonic distortion is measured by the digital spectrum analyzer Page PRINTED CIRCUIT BOARDS pm 15 18 WIRING CONNECTION DIAGRAM 19 BLOCK DIAGRAM 4 20 MEASUREMENTS AND ADJUSTMENTS 21 REPLACEMENT PARTS LIST 4 22 24 27 CABINET PARTS LOCATION 25 25 PACKAGING 28 I BEFORE REPAIR AND ADJUSTMENT 1 Tum off the power supply Using a 100 10 W resistor shortcircuit both ends of power supply capacitors C001 C002 C705 and C706 in order to discharge the voltage 2 Before turning on the power switch of the unit A Connect the voltage controller to the primary side B Connect the AC ampere meter to the primary side or conned the DC voltage meter to the B circuit of the secondary side C Turn the VR of ICQ VR451 VR452 VR501 and VH502 to minimum counterclockwise D Alter setting the output to zero of the voltage controller turn on the power switch of the unit And increase the output of voltage controller gradually Then check carefully whether the current value of primary side become more than following value or whether the DC voltage of secondary side is increasing slowly E Il the value of current is increasing unusually or the DC voltage is not increasing lower the output level of voltage controller Immediately The current value of the primary side at no signal Confirm the power supply voltage ot each area and provided vol

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