ROM Service ManualStereo Integrated AmplifierSPECIFICATIONS(DIN 45 500)• M AIN AM P. SECTION (POWER AMP. DIRECT Input)20 Hz 20 kHz continuous power output both channels driven1 kHz continuous power output both channels driven (THD: 1%)63 H ~ 12.5 kHz continuous power output both channels driven (THD: 0.7%)2x65 W (8 Ω)2X90 W (4 Ω)2 x 60 W (8 oM)2 × 80 W (4 Ω)Total harmonic distortion (Power Amp Direct Input)rated power at 20 Hz~20 kHz 0.007% (8 Ω)half power at 20 Hz ~ 20 kHz 0.005% (8 Ω)Intermodulation distortion (SO Hz: 7 kHz = 4:1. SMPTE)rated power 0.007 % (8 Ω)Residual hum and noise 0.2 mVDamping factor 60 (8 Ω). 30 (4 Ω)Headphones output level and Impedance 540 mV/330 ΩLoad ImpedanceA or B, BI WIRING 4Ω 16ΩAand B 8Ω 16ΩPRE AM P. SECTION and impedance Input sensitivity aPHONO MM 2 5 mV/47 kΩPHONO M C 170 µV/220 ΩTUNER, CD, AUX, TAPE 1, TAPE 2/DAT 150 mV/22 kΩPOWER AM P DIRECT 1 V/18 kΩPhono maximum Input voltage (1 kHz, RMS)M M160 mV. IM F' 66M C 12 mV. IMF' 66AmplifierSU VX500CountryCode (E)(EB)(EG)(GC)(GN)AreaContinental Europe Great BritainF.R. Germany and Italy Asia. Latin America.Middle Near East and Africa OceaniaColor(K)S/N (rated power, 4 Ω)PHONO MM 78 dB (85 dB. IMF' 66)PHONO MC 66 dB (S = 250 µV. 67 dB, IHF` 66)97 dB (99 dB. IHF'66)106 dB (115 dB, IHF '661POWER AMP DIRECT S/N at ~ 26 dB power (4 Ω)PHONO MM 76 dBPHONO MC 66 dB TUNER, CD, AUX, TAPE 1, TAPE 2/DAT 84 dB SIN at 50 mW power (4 Ω)PHONO MM 75 dBPHONO MC 66 dBTUNER, CD, AUX, TAPE 1, TAPE 2/DAT 78 dBFrequency response PHONO MM RIAA standard curve ±0.8 dB (30 Hz~15 kHz)TUNER, CD, AUX. TAPE 1, TAPE 2/DAT 3Hz 100kHz(+0, 3dB)+0 dB, 0.2 dB (20 Hz~20 kHz)POWER AMP DIRECT 2 Hz~120 kHz (+0, 3 dB)+0 dB. 0.2 dB (20 Hz~20 kHz)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 mVTechnics2 x 50 W (8 Ω)ColorAreas(K ) Black Typemi c ro SU-VX500• GENERALPower consumption 530 WPower supply• for Great Britain and OceaniaF.R. Germany, Italy and Continental Europe:AC 50/60 Hz. 230/240 Vfor Others: AC 50760 Hz. 110 V/127 V/220 V/240 V• CONTENTSDimension. (W x H x D) 430x 125x316 mm(16-15/16" x4-15/16"x 12-7/16")Weight 8,1 kg (17.82 Ib.)Notes:1. Specifications are subject to change without notice.Weight and dimensions are approximate.2. Total harmonic distortion is measured by the digital spectrum analyzer.Page PageBEFORE REPAIR AND ADJUSTMENT 2 PRINTED CIRCUIT BOARDS 15-18PROTECTION CIRCUITRY 2 WIRING CONNECTION DIAGRAM 19ACCESSORY 2 BLOCK DIAGRAM 20LOCATION OF CONTROLS 3 MEASUREMENTS AND ADJUSTMENTS 21CONNECTIONS 4-6 REPLACEMENT PARTS LIST 22-24,27DISASSEMBLY INSTRUCTIONS 7-10 CABINET PARTS LOCATION 25 25SCHEMATIC DIAGRAM 11-14 PACKAGING ' 28I BEFORE REPAIR AND ADJUSTMENT(1) Tum off the power supply. Using a. 10o M , 10 W resistor, shortcircuit both ends of power supply capacitors C001, C002. C705and 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 secondaryside.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. II 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 voltage ofthe unit.)Power supply voltage Consumed current50 HzAC 1 1 0 V250-540 mAAC 120V210-500 mAAC 220V 90-370 mAAC 230 V80-360 mAAC 240 V70-350 mAI PROTECTION CIRCUITRYThe 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.It this occurs, follow the procedure outlined below:1. Turn off the power.2. Determine the cause of the problem and correct it.3. Turn 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.I ACCESSORY•AC power supply cords<SFDAC05E03> For (E), (EG) areas.<SJA193> For (EB) area only.<RJA0004> For (GC) area only.<SJA173> For (G N ) area only.-2-PRINTED CIRCUIT BOARD DIAGRAMSU-VX500 SU-VX500PHONO PC.B.PHONO SELECTOROPERATION PC.B.56789PHONO SELECTOROPERATION PC.B.111098INPUT SELECTOR P.C.B.SU-VX500SU-VX5001314151617V-A M P PC.BPOWER SWITCH PC.B. For[E.EB, EG.GN) areas.AC IN / VOLTAGE ADJ. PC. B. For[E, EB, EG.GN]areasVOLTAGE ADJSU-VX500171819202122V-AMP PC.BPower Source For (GC] area.AnodβCαthode Cathode Ca P300DLF Anode Cathode ΔCαCathode MA4033MTA MA4036MTA Anode A Ca Cathode 2SA1535AQRS 2SC3944AQRS 2SA1309AQSTA 2SC3311AQSTA UPC4570C AN7062N 8 Pin 18 Pin SVI3205A REPLACEMENT PARTS LISTNote : * Important s afety notice:Components identified by A mark have s pecial characteristics important for s afety.When replacing any of thes e components us e only manufacturer's specified parts.* The parenthes ited indications in the Re•ark columns s pecify the areas. (Refer to the cover page for area.)Parts without these indications can be us ed for all area.Ref.NaIC101IC301IC401IC501Q101 104 101, 402 Q451.452 Q453, 454 0455. 456 Q457. 458 0459, 460 0461, 462 0463, 464 Q465, 466 0501 503 Q751Q752Q753, 754 Q755D101. 102 D401. 402 D403, 404 D405, 406 D451M53 456 D501 503 D503D504D601D602 0603,604 D605D702 705 D751VR201Part N o.UPC4570CUPC4570CAN7062NSVI3205A2SK170BLTPE22SA1123RSπA2SC2631RSπA2SC3311A Q2SA1309A R2SC2631RSπA2SA1123RSπA2SC3944AQRS2SA1535AQRS2SC1685RST2SA992EFPTA2SD2037DEFTA2SB1357DEFTA2SK301PQTA2SA1309A RMA165MA167MA4036MTAMA165MA29WAMA165MA165MA4160MMA4160M1SR35200TBLN014304PLN018304PMA4033TAP300DLFMA4180 MRRV16J02APart Name& DescriptionNTEGRATED CIRCUIT (S).C.PHONO/EQ.AMP.. C, TONE AMP.. C, VOLTAGE AMP.. C, POWER AMP.TRANSISTOR(S)TRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANSISTORDI ODE (S)DIODEDIODEDIODEDIODEDIODEDIODEDIODEDIODEDIODEDIODEL.E.D.LŁD.DIODEDIODEDIODEVARIABLE RESISTOR(S)V.R. VOLUME CONTROLRemarks∆ARef.NaVR202VR301, 302VR451. 452TH201, 202LIL101. 102L501 504L551TlTlFlFlF2SIS2S2S101S102S103S201S202S203S501CN101CN102CN103. 104CN105 107CN201Part No.EVJ02QFA2G15EVJYA1FA2C15EVNDXAAOOB52RTD2ZHL104TSLQZ650MH49SLM1Z33SLQY18G 10ELEPK2R2MARTP1N5E011RTP1N5E012XBA2C25TBOXBA2C50TBOXBA2C25TBOESB8249VESD26200AESE37263RSR6B002 JRSS6D001RSS2D006 AESB68107ESB68132RSP2DX8 ARSR4B004 ARJU003K010URJU003K008M1RJT060B05RJU057W007RJU003K010M1Part Name& DescriptionV. R, B ALANCEV. R. BASS/TREBLE CONT.V. R. I CQ ADJ. (V AMP. )THERMISTOR(S)THERMISTORCOIL(S)COILCOILCOILCOILTRANSFORMER(S)POWER TRANSFORMERPtWER TRANSFORMERFUSE(S)FUSE. 250V T2. 5AFUSE. 250V T5AFUSE, 250V T2. 5ASWITCH(ES)S». POWERSW, VOLTAGE SELECTORSW, VOLTAGE SaECTORS», NPUT SELECTORS», REC SELECTORSt. PHONO SELECTORSW.MODESW. LOUDNESS/TONESW. POWER AMP DIRECTSW, SPFJiKER SELECTORCONNECTOR(S)SOCKET(IOP)SOCKET(8P)CONNECTOR(5P)SOCKETS)SOCKET (10P)Reaarks∆(E.EB.EG,GN)∆(E.EB,EG,GN)∆(GC)∆(E.EB,EG,GN)∆(GC)∆(GC)∆∆(F,EB,EG.GN)∆(GC)Ref.No.CN202 CN401. 402 CN403 CN404 CN501 CN601 CN701 CN702A CN702B CP101 CP102 CP103, 104 CP105 107 CP201 CP202 CP401, 402 CP403 CP404 CP501 CP601Part No.SJS50382JQHRJT060B05RJT060B07RJU003K010M1RJU057TO04RJU003K008M1RJP1A3303RJS1A1703RJS1A1704RJT003KD10M1RJT003KD08M1RJU060G05TRJT057W007 1RJT003KD10M1SJT30345JQRJU060G05TRJU060G07TRJT003K010M1RJTO571004 1RJT003KD08M1Part Name & DescriptionSOCKET (3P)CONNECTOR (5P)CONNECTOR (7P)SOCKET (10P)SOCKET (4P)SOCKET (8P)CONNECTOR (3P)SOCKET (3P)SOCKET (4P)CONNECTOR (10P)CONNECTOR (8P)SOCKET (5P)CONNECTOR (7P)CONNECTOR (10P)CONNECTOR (3P)SOCKET (5P)SOCKET(7P)CONNECTOR (10P)CONNECTOR (4P)CONNECTOR (8P)Remarks Ref.No.FC1.2FC3.4RL501, 502RL503JK1JK1JK2 4JK101JK102JK103JK104JK105JK501JK502Part No.EYF52BCSJT388SSY134RSY0009 0SJS9231 1BSJS9234BSJS9233BSJF3057 9NSJF3069NSJF3069NSJF3069NSJF3069NRJH4801 1QJA0455ZC APart Name& DescriptionFUSE HOLDER (S)FUSE HOLDERFUSE HOLDERRELAY (S)RELAYRELAYJACK(S)ACINLETACINLETAC OUTLETPHONO JACKTUNER/CD JACKAUX/TAPE1 REC. OUT JACKTAPE1/PBAAPE2 REC. OUT JACKTAPE2/PB/POWER AMP. JACKSPEAKER TERMINALHEADPHONES JACKRemarks(GC)∆(E,EB,EG.GC)∆(GN)∆(GC)Notes :* Capacity valuse are in* Resistance values aremicrofarads (uF) unlessin ohms, unless specifiedspecifiedotherwise.otherwise, P=Pico farads (pF) F=Farads(F)IK=l.000(OHM) , 1M=1.000k (OHM)Ref.NoRlOl 104 R105, 106 R107, 108 R109, 110 Rlll 116 R117. 118 R119.120 R121.122 R123.124 R125,126 R127.128 R129, 130 R13L. 132 R201 210 R211. 212 R213. 214 R215, 216 R217R219.220 R221 224 R225.226 R23L232 R233.234 R301.302 R303.304Part No.ERDS2TJ102ERDS2TJ274ERDS2TJ221ERDS2TJ220TERDAS3G332TERDS2TJ151ERDS2TJ100ERDS2TJ101ERDS2TJ151ERDS2TJ682TERDS2TJ823TERDS2TJ334ERDS2TJ561ERDAS3G102TERMS3G223TERDS2TJ183TERDS2TJ332ERDS2TJ824ERDAS3G272TERDS2TJ471ERDAS3G102TERDAS3G472TERDAS3G124TERDAS3G561ERDS2TJ823TValues & RemarksRESISTORS1/4WIK1/4W 270K1/4W 2201/4W 221/4W 3. 3K1/4W 1501/4W 101/4W 1001/4W 1501/4W 6. 8K1/4W 82K1/4W 330K1/4W 5601/4W 1K1/4W 22K1/4W 18K1/4W 3. 3K1/4W 820K1/4W 2. 7K1/4W 4701/4W 1K1/4W 4.7K1/4* 120K1/4W 5601/4W 82KRef.No.R305. 306R307, 308R309. 310R311,312R313, 314R315.316R317. 318R319, 320R401, 402R403.404R405, 406R407, 408R409.410R411.412R437R451.452R455.456R457R459.460R461 464R465 468R469.470R471 474R501.502R503.504R5OS.506R507. 508R509 512Part N aERDS2TJ224TERDS2TJ392TERDS2TJ223ERDS2TJ102ERDS2TJ562ERDAS3G392TERDAS3G223TERDS2TJ183TERDS2TJ122ERDS2TJ823TERDAS3G272TERDAS3G823TERDS2TJ561ERDFS2VJ470TERDS2TJ473ERDFS2VJ182TERDFS2VJ391TERDS2TJ823TERDFS2VJ101TERDS2TJ223ERDFS2VJ101TERDFS2VJ821TERDFS2VJ2R2TERDS2TJ362TERDFS2VJ121TERDS2TJ392TERDFS2VJ121TERF2EXKR10VValues & Remarks1/4W 220K1/4W 3. 9K1/4* 22K1/4W 1K1/4W 5. 6K1/4W 3. 9K1/4W 22K1/4W 18K1/4W 1. 2K1/4W 82K1/4W 2. 7K1/4W 82K1/4W 5601/4W 471/4W 47K1/4W 1,8K1/4W 3901/4W 82K1/4* 1001/4W 22K1/4W 1001/4W 820l/4W 2,21/4W 3.6K1/4W 1201/4W 3,9K1/4W 1202W 0.1Ref.No.R513 516R517. 518R519, 520R521,522∆R527R528R529R530∆R531,532R533, 534R555 558R559, 560R561. 562R563, 564R565 570R601 ∆R604R607R707.708R709, 710R751, 752R753. 754R755C001, 002C1 ∆Part No.ERDFS2VJ100TERDFS2VJ1R0TERDFS2VJ100TERDS1FVJ100TERDS2TJ223ERDS2TJ824ERDS2TJ124TERDS1FVJ682TERDS1FVJ100TERDS2TJ182ERG1SJ561EERG1SJ102EERG1SJ151EERG1SJ181EERDS2TJ223ERDS1FJ120ERDS2TJ471ERDS2TJ391ERDFS2VJ6R8TERDFS2VJ470TERDFS2VJ221TERDS2TJ183TERDS2TJ102ECED1HT682PECKWNS103ZVSValues & Remarks1/4W 101/4W11/4W 101/2W 101/4W 22K1/4W 820K1/4W 120K1/2W 6.8K1/2W 101/4W 1.8K1W 5601W 1K1W 1801/4W 22K1/2W 121/4W 4701/4W 3901/4W 6.81/4W 471/4W 2201/4W 18K1/4W 1KCAPACITORS50V 6800U500V 0.01URef.No.Cl0l, 102 C103, 104 C105, 106 C107, 108 C109. 110 C111, 112 Cl 13, 114 C115, 116 C117. 118 C119, 120 C121. 122 C123, 124 C125. 126 C201 210 C213, 214 C219, 220 C221 224 C225, 226 C301, 302 C303. 304 C305, 306 C307, 308 C309, 310 C311, 312 C313. 314 C315, 316 C317, 318 C319, 320 C321, 322 C401. 402 C403, 404 C405, 406 C407, 408 C409, 410 C411. 412 C413, 414 C415, 416 C426C427C428C451, 452 C453 456 C457 460 C501 504 C505, 506 C507C508C509C511, 512 C513 518 C519 522 C523.524Part N o.ECBT1H120J5ECBT1H102KB5ECBT1H820KB5ECA0JM222BECKW1H222KB5ECQB1H122KF3ECQB1H103KF3ECQV1H393JZ3UES1H010M1TAECQB1H472KF3ECKR1H103ZF5ECBT1H270J5ECBT1H181KB5ECCR1H101K5ECQV1H563JZ3ECCR1H271K5ECBT1H181KB5ECCR1H101K5ECA1HPXS3R3BECCR1H101K5ECBT1H820KB5ECA1HPXS4R7BECBT1H390J5ECA1CPXS100BECQV1H823JZECQB1H153KF3ECQB1H183KF3ECQB1H182KF3ECBT1E223ZFECA1HPXS3R3BECCR1H271K5ECA1CPXS220BECBT1H820KB5ECBT1H100J5ECBA1H681KB5ECCV2H070DECQB1H102KF3ECBT1H102KB5ECBT1E223ZFECKR1H103ZE5ECKR1H33.3ZF5ECCV2H680KECEA1HKA3R3BECAOJPXS101BECQV1H473JZ3ECEAOJK/U01BECA1HM70BECEA1HN100SBECBT1H180J5ECQV1H473JZ3ECQB1H153KF3ECBT1H102KB5Values & Remarks50V 12P50V 1000P50V 82P6.3V 2200U50V 2200P50V 1200P50V 0.01U50V 0.039U50V 1U50V 4700P50V 0.01U50V 27P50V 180P50V 100P50V 0, 056U50V 270P50V 180P50V 100P50V 3. 3U50V 100P50V 82P50V 4. 7U50V 39P16V 10U50V 0. 082U50V 0. 015U50V 0. 018U50V 1800P25V 0. 022U50V 3. 3U50V 270P16V 22U50V 82P50V 10P50V 680P500V 7P50V 1000P50V 1000P25V 0. 022U50V 0.01U50V 0. 033U500V 68P50V 3. 3U6. 3V 100U50V 0.047U6. 3V 100U50V 47U50V 10U50V 18P50V0.047U50V0.015U50V 1000PRef. No.C525. 526C531. 532C551.552C601C705. 706C707 709C711C712C751 756Part NαECQB1H272JF3ECBT1C332KR5ECEA1JU010BECA1CM221BECA1JPXS221BECA1JAP220BECQE2104KF3ECKR1H103ZF5ECA1HPXS4R7BValues & Reaarks50V 2700P16V 3300P63V 1U16V 220U63V 220U63V 22U100V 0. 1U50V 0.0 1U50V 4.7URef.N o.1011121212121314151616 117181920212223242526272829303132333435363637383940414344Part No.RGW0124 KRGW0126 KRGW0127 K1RKM0036A KRKM0179 KSJPA11 1SNE2 129 1XTBS3+8JFZ1Part Name & DescriptionCABINET PARTS L STKNOB, TONEKNOB, SELECTORKNOB, VOLUMECABINETCABINETSHORT PINSCREWSCREWXTW3+8T SCREWSHR415SUS227RFKGUVX500EKRGR0129A D1RGR0129A F1RGR0129A E1RGR0129B A1CLAMPERSPRING (AK451. 452)FRONT PANEL ASS` YREAR PANELREAR PANELREAR RANELREAR PANELRGU0030 BUTTON, POWERRGU0509 KRHN90001RFKJUVX500EKRKA0009 1RMN0143BUTTON, MODENUTBOTTOM BOARD ASS' YFOOTHOLDERRMNOH9 HOLDER. Remarks(E, EG, GC, GN)(EB)(E)(EG)(EB, GN)(GC)RMQ0259 ANGLERSQ0022RSQ0023RGKD394 ARGKD412 KRGKD413 KRGK0414 KRGL0134 CRGL0136 CRGU0611 KREMOTE SW TCH(REC. )REMOTE SWITCH (PHONO)RINGSIDE ORNAMENT(L)SIDE ORNAMENT (R)VOLUME ORNAMENTORNAMENTORNAMENTBUTTON, POWER AMP. DIRECTRMR0460 K HOLDERRMR0461 KRMR0502RSC0245XTBS26+8JSHE187 3SHR9814SJS9231ASJS9234ASNE2123XTB3+16JFZXTB3+20JFZXTB3+8JFZXTfS3+8TRGKD415 KSJS9233AHOLDERHOLDERSHIELD PLATESCREWSPACERCLAMPERACINLET COVERACINLET COVERGND SCREWSCREWSCREWSCREWSCREWUPPER PLATEAC OUTLET COVER(E, EB, EG, GC)(GN)(EB)(GC)Ref.No.4546P1Part No.XYN3+C6FZRWJ3907130QQRPG0975P2 RPN0539P3P4P5Part Name& Description RemarksSCREW (GC)CABLE ASS' Y(W702)PACKING MATERIALSPACKING CASEPADXZB24X34C04 PROTECTION COVERSPB1061 [PROTECTION COVER (MANUAL)RPQ0164 ACCESSORY BOXACCESSORIESAl RQF1226INSTRUCTIONS MANUAL ASS' Y (E)Al RQF1227INSTRUCTIONS MANUAL ASS' Y (EB)Al RQF1228INSTRUCTIONS MANUAL ASS' Y (EG)Al RQF1230 INSTRUCTIONS MANUAL ASS' Y (GN)Al RQF1229INSTRUCTIONS MANUAL ASS' Y (GC)Al 1 RFKSUVX500EKINSTRUCTIONS MANUAL (E)Al 1 RQTU61 BINSTRUCTIONS MANUAL (EB)Al 1Al 1A1 2Al 3A2A2A2A2A3RQT1162 DINSTRUCTIONSMANUAL (EG)RQT1159 G INSTRUCTIONS MANUAL (GC.GN)RQA0013 WARRANTY CARDRQCB0169SFDAC05E03SJA193SJA173SERVICE CENTER LISTAC POWER SUPPLY CORD ∆(E. EG)AC POWER SUPPLY CORD ∆ (EB)AC POWER SUPPLY CORD ∆(GN)RJA0004 AC POWER SUPPLY CORD ∆ (GC)SJP9215 AC PLUG ADAPTOR∆ (GC)。