Pioneer-A207-int-sm 维修电路原理图.pdf

ORDER NO.PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, BelgiumPIONEER ELECTRONICS ASIACENTRE PTE. LTD. 501 Orchard Road, #10-00 Lane Crawford Place, Singapore 0923? ? ? ? ? ? PIONEER ELECTRONIC CORPORATION 1998RRV1935STEREO AMPLIFIERA-2071. SAFETY INFORMATION.22. EXPLODED VIEWS AND PARTS LIST.33. SCHEMATIC DIAGRAM.64. PCB CONNECTION DIAGRAM.145. PCB PARTS LIST.226. ADJUSTMENT.25CONTENTS7. GENERAL INFORMATION.26 7.1 IC.26 7.2 DISASSEMBLY.27 7.3 BLOCK DIAGRAM.288. PANEL FACILITIES AND SPECIFICATIONS.29THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).TypeModelA-207MLXJSDXJAC220 230VPower RequirementThe voltage can be converted by thefollowing method.With the voltage selectorT ZZE APR. 1998 Printed in JapanAC110V/120 127V/220V/240VPHONESA SPEAKERS BPOWEROFFONSTEREO AMPLIFIER-?z?Direct Energy MOSTAPE 1/MDTAPE 2MONITORLINETUNERPHONOCDBASS+TREBLE+VOLUMEMINMAXLOUDNESSDIRECTBALANCERLINPUT SELECTORTAPE 2MONITORRadioFans.CN 收音机爱 好者资料库A-20721. SAFETY INFORMATIONThis service manual is intended for qualified service technicians ; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trainedto properly and safely repair complex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and mayvoid the warranty. If you are not qualified to perform the repair of this product properly and safely, youshould not risk trying to do so and refer the repair to a qualified service technician.WARNINGLead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which maycause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact withthe solder. Also, when soldering do not inhale any smoke or fumes produced.NOTICE(FOR CANADIAN MODEL ONLY)Fuse symbols (fast operating fuse) and/or(slow operating fuse) on PCB indicate that replacement partsmust be of identical designation.REMARQUE(POUR MODLE CANADIEN SEULEMENT)Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les pices de remplacement doivent avoir la mme dsignation.ANY MEASUREMENTS NOT WITHIN THE LIMITSOUTLINED ABOVE ARE INDICATIVE OF A POTENTIALSHOCK HAZARD AND MUST BE CORRECTED BEFORERETURNING THE APPLIANCE TO THE CUSTOMER.2. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliancehave special safety related characteristics. These areoften not evident from visual inspection nor the protectionafforded by them necessarily can be obtained by usingreplacement components rated for voltage, wattage, etc.Replacement parts which have these special safetycharacteristics are identified in this Service Manual. Electrical components having such features are identifiedby marking with a on the schematics and on the parts listin this Service Manual.The use of a substitute replacement component which doesnot have the same safety characteristics as the PIONEERrecommended replacement one, shown in the parts list inthis Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review and newinstructions are issued from time to time. For the latestinformation, always consult the current PIONEER ServiceManual. A subscription to, or additional copies of, PIONEERService Manual may be obtained at a nominal charge fromPIONEER.1. SAFETY PRECAUTIONS The following check should be performed for thecontinued protection of the customer and servicetechnician.LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (waterpipe, conduit, etc.) by connecting a leakage current testersuch as Simpson Model 229-2 or equivalent between theearth ground and all exposed metal parts of the appliance(input/output terminals, screwheads, metal overlays, controlshaft, etc.). Plug the AC line cord of the appliance directlyinto a 120V AC 60Hz outlet and turn the AC power switchon. Any current measured must not exceed 0.5mA.(FOR USA MODEL ONLY)LeakagecurrenttesterReading shouldnot be above0.5mADeviceundertestTest allexposed metalsurfacesAlso test withplug reversed(Using AC adapterplug as required)EarthgroundAC Leakage TestRadioFans.CN 收音机爱 好者资料库3A-2072.1 PACKINGMark No. Description Part No.2. EXPLODED VIEWS AND PARTS LISTNOTES: Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation. Screws adjacent to mark on the product are used for disassembly.1Operating InstructionsARE7158(English/Spanish/Chinese)2Side Pad LAHA72053Side Pad RAHA72064Sub PadAHA72185Packing CaseAHD7562NSP6Literature BagAHG11807Packing SheetAHG70158Caution Label 220VSee Contrast table(2) 9Power CordSee Contrast table(2)(1) PACKING PARTS LIST(2) CONTRAST TABLEA-207/MLXJ and SDXJ are constructed the same except for the following :67245391 8(SDXJ type Only)FRONTMarkMLXJ typeSDXJ type8Caution Label 220VNot usedARR10039Power CordADG1154ADG1158Part No.RemarksSymbol and DescriptionNo.4A-2072.2 EXTERIOR41182837393435541161294531333132382727441439212139144717122219192323231339SDXJ Types Only42394039397153944381515156391117393926263939393936SDXJ TypesOnly5A-2071FRONT L AssyAWX71222FRONT R AssyAWX71213 4AC PRIMARY AssySee Contrast table(2)NSP5HEADPHONE AssyAWX71146VOLUME AssyAWX71127AF AssyAWX7116 8Fuse (FU1)See Contrast table(2)9Flexible Cable (19P)ADD7032(AF CN202-FRONT R CN601)10 11Power Transformer (T1)See Contrast table(2)NSP12ChassisANA706413Rear PanelSee Contrast table(2)14InsulatorAMR719815ScrewABA101816ScrewABA102717Screw (4 10)ABA704718NutABN-06519PCB SupportAEC700620 NSP21PCB HolderAEC7057NSP22Cord Clamp FAEC713423PCB MoldAMR253324 25 Mark No. Description Part No.Mark No. Description Part No.(1) EXTERIOR PARTS LIST26ScrewPBA109627LED LensAAK245928PVC CoverAAK754129 30 31Rotary Knob AAAB714832Rotary Knob BAAB714933Volume KnobAAB715034Speaker ButtonAAD743535Power JointAAD743936Bnnet CaseANE718337Panel BaseAMB748938Front PanelAMB749239ScrewBBZ30P080FZK40ScrewBCZ30P060FCC41NutNK90FUC 42Voltage Selector (S2)See Contrast table(2) 43Fuse (FU2, FU3 : 2A)See Contrast table(2)44LED Lens AAAK753745PIONEER BadgePAM175546 47FootREC1263(2) CONTRAST TABLEA-207/MLXJ and SDXJ are constructed the same except for the following :MarkMLXJ typeSDXJ type4AC PRIMARY ASSYAWX7113AWX71158Fuse (FU1 : 1.25A)REK1023Not used8Fuse (FU1 : 6.3A)Not usedREK103011Power TransformerATS7190Not used(T1 : AC220230V)11Power TransformerNot usedATS7191(T1 : AC110V/120127V/220V/240V)13Rear PanelANC7642ANC764142Voltage SelectorNot usedAKX-50743Fuse (FU2, FU3 : 1.25A)Not usedREK1023Part No.RemarksSymbol and DescriptionNo.A-2076ABCD123412343. SCHEMATIC DIAGRAM3.1 OVERALL CONNECTION DIAGRAMBHEAD PHONE ASSYAWX7114FFRONT R ASSYAWX7121AVOLUME ASSYAWX7112DAF ASSYAWX7116451A-2077ABCD56785678Note : When ordering service parts, be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST.EFRONT L ASSYAWX7122CAC PRIMARY ASSYAWX7113(MLXJ)AWX7115(SDXJ)SDXJ typeAKP1053 SDXJ onlyMLXJ typeSDXJ typeSDXJ type1416181602POWER CORDMLXJ typeSDXJ typePOWER TRANSFORMERPOWER TRANSFORMERVOLTAGE SELECTORA-2078ABCD123412343.2 VOLUME AND HEAD PHONE ASSEMBLIESABBHEAD PHONE ASSYAWX7114DJ551AAVOLUME ASSYAWX7112EJ3DCN20322: AUDIO SIGNAL ROUTEA-2079ABCD123412343.3 AC PRIMARY ASSYCCAC PRIMARY ASSYAWX7113(MLXJ)AWX7115(SDXJ)MLXJ typeSDXJ typeSDXJ typeSDXJ model NOTE FOR FUSE REPLACEMENTFOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE WITH SAME TYPE AND RATINGS ONLY.CAUTION -LIVENEUTRALTO POWERTRANSFORMERTO POWER CORDTO S2VOLTAGE SELECTORREK1023T1.25AL250VREK1023T1.25AL250VFU1REK1023 : MLXJ type T1.25AL250VREK1030 : SDXJ type T6.3AL250VPOWERASG1035A-20710ABCD123412343.4 AF ASSYBABABABABABA1/4WR1/4WR1/4WR1/4WRACN501IDLE ADJ.(R CH)IDLE ADJ.(L CH)DA-20711ABCD56785678, BA : CEBAFCN601DAF ASSYAWX7116BJ551: AUDIO SIGNAL ROUTEDJ.DJ.CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME TYPE NO. 491001 MFD, BY LITTELFUSE INK. FOR IC454(AEK7009).TO POWER TRANSFORMERDA-20712ABCD123412343.5 FRONT L AND FRONT R ASSEMBLIESEEFRONT L ASSYAWX7122DCN202ACN502FRONT L ASSYS702 : LOUDNESSS703 : SPEAKER AS704 : SPEAKER BSPAFA-20713ABCD56785678FFFRONT R ASSYAWX7121FRONT R ASSYS601 : INPUT SELECTOR CD TUNER PHONE LINE TAPE1/MDS602 : DIRECTS603 : TAPE2 MONITORINPUTSELECTORNCNCNCNCA-20714ABCD12341234A4. PCB CONNECTION DIAGRAMNOTE FOR PCB DIAGRAMS :1. Part numbers in PCB diagrams match those in the schematic diagrams.2. A comparison between the main parts of PCB and schematic diagrams is shown below.3. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram.4. View point of PCB diagrams.Symbol In PCBDiagramsSymbol In SchematicDiagramsPart NameB C EDDGGSSB C EBCEDGSBCEBCEBCETransistorTransistorwith resistorField effecttransistorResistor array3-terminalregulatorCapacitorConnectorP.C.BoardChip PartSIDE ASIDE BSIDE ASIDE BVOLUME ASSYAEJ3DCN203(ANP7232-A)Q513,Q514VR501VOLUME ASSYA(ANP7232-A)Q504,Q501Q502,Q503Q506,Q505Q508,Q507Q510,Q5094.1 VOLUME ASSYA-20715ABCD123412344.2 HEADPHONE AND AC PRIMARY ASSEMBLIESB C(ANP7232-A)HEADPHONE ASSYBJ551AD(ANP7232-A)HEADPHONE ASSYB(ANP7232-A)POWERTRANSFORMERPOWERCORDVOLTAGESELECTOR(SDXJ type only)AC PRIMARY ASSYCSIDE ASIDE ASIDE BA-20716ABCD123412344.3 AF ASSYDAF ASSYDPOWERTRANSFORMERA-20717ABCD56785678DSIDE AFCN601ACN501BJ551(ANP7232-A)Q153Q341IC101IC451-IC453Q333-Q336Q324,Q326Q452IC301Q451Q323,Q325IC454VR301VR302A-20718ABCD12341234DAF ASSYDA-20719ABCD56785678DSIDE B(ANP7232-A)Q151IC151Q152Q338,Q337Q340,Q339Q102Q101Q104Q103Q332Q328,Q327Q318,Q330Q322,Q320Q316,Q314Q312,Q310Q304,Q303Q311,Q309Q315,Q313Q321,Q319Q317,Q329Q331,Q343A-20720ABCD123412344.4 FRONT L ASSYE(ANP7231-A)FRONT L ASSYEQ702,Q703Q704,Q705Q708Q707VR751VR752Q701,IC751(ANP7231-A)J602FCN502AJ603AGFRONT L ASSYESIDE ASIDE BA-20721ABCD123412344.5 FRONT R ASSYFFRONT R ASSYF(ANP7231-A)CN202DJ602AEIC601VR601FRONT R ASSYF(ANP7231-A)Q601-Q606Q614-Q616Q608-Q613SIDE ASIDE BA-207225. PCB PARTS LIST7 CONTRAST OF PCB ASSEMBLIESNOTES : Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List. The mark found on some component parts indicates the importance of the safety factor of the part.Therefore, when replacing, be sure to use parts of identical designation. When ordering resistors, first convert resistance values into code form as shown in the following examples.Ex. 1When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown byJ = 5%, and K = 10%).560 = 56 10 1 = 561. RD1/4PU 5 6 1 J47k = 47 10 3 = 473 . RD1/4PU 4 7 3 J0.5 = R50 . RN2H 5 0 K1 = 1R0 . RS1P 1 0 KEx. 2When there are 3 effective digits (such as in high precision metal film resistors).5.62k = 562 10 1 = 5621 . RN1/4PC 5 6 2 1 F7 LIST OF ASSEMBLIESPart No.A-207 /MLXJA-207 /SDXJMarkPCB AssembliesRemarksNSPCONTROL ASSYAWG7012AWG7012 FRONT R ASSYAWX7121AWX7121 FRONT L ASSYAWX7122AWX7122NSPAF COMPLEX ASSYAWM7355AWM7356 VOLUME ASSYAWX7112AWX7112 AC PRIMARY ASSYAWX7113AWX7115NSP HEADPHONE ASSYAWX7114AWX7114 AF ASSYAWX7116AWX7116 AC PRIMARY ASSYAWX7113 and AWX7115 are constructed the same except for the following:H3 H6FUSE CLIPNot usedAKR7001802AC OUTLET 3PNot usedAKP1053MarkRemarksSymbol and DescriptionPart No.AWX7113AWX7115CA-207237 PARTS LIST FOR A-207/MLXJ VOLUME ASSYSEMICONDUCTORSQ513, Q5142SK246Q501Q5102SK303Q511DTC124EKD505, D506, D509, D5101SS352D501D504, D507, D5081SS355CAPACITORSC501, C502CCSQCH271J50C513, C514CEAT100M50C516CEAT330M25C503, C504CFTYA473J50C515CKCYF103Z50RESISTORSR530RS1/10S100JVR501100k-A52ACS7011Other ResistorsRS1/10S&JOTHERSCN50116P SOCKETKP200TA16LCN502CONNECTOR(7P)KPE7PCB BINDERVEF1040 AC PRIMARY ASSYSWITCHES AND RELAYSS801ASG1035CAPACITORSC801, C80210000pF/AC250VACG7020OTHERSCN801AC INLETAKP7005H1, H2FUSE CLIPAKR7001 HEADPHONE ASSYCAPACITORSC551, C552CKSQYB392K50OTHERS551CABLE HOLDER(3P)51063-0305J552CORD WITH PLUGDE005WE0JA501JACKRKN1002 AF ASSYSEMICONDUCTORSIC454 (1A)AEK7009IC453BA178M06TIC451BA178M15TIC452NJM79M15FAIC101TC9163ANACBDIC301UPC4570CIC151UPC4570G2Q311, Q312, Q329, Q3302SA1162Q313, Q314, Q321, Q3222SA1255Q4522SA1837Q309, Q310, Q327, Q3282SC2712Q315, Q316, Q319, Q3202SC3138Q303, Q3042SC3326Q4512SC4793Q101Q1042SK303Q151DTA124EKQ152DTC124EKQ153DTC124ESQ331, Q332, Q343DTC143EKQ333Q336DTC143ESQ317, Q318IMX1Q323, Q324IRF530Q325, Q326IRF9530D101D104, D151, D301D3101SS355D401D4041SS355D451D5SBA20D452D455, D459, D460S5566GD461S5566GD311, D312UDZ15BD457, D458UDZ36BD456UDZ4.7BD462UDZS5.6BCOILS AND FILTERSL151L154LCTA221J3225SWITCHES AND RELAYSRY401RY403ASR7014CAPACITORSC4516800F/DC42VACH7080C4526800F/DC42VACH7081C329, C331CCCSL101K2HC313C316, C337C340CCSQCH121J50C153, C154CCSQCH151J50C303, C304CCSQCH221J50C163, C164CCSQCH390J50C101C110CCSQCH470J50C471CEANP1R0M2AC172CEANP1R0M50C333CEANP470M10C155, C156, C167, C168CEAT100M50C317C320, C453C458CEAT100M50C465, C466, C469CEAT100M50C461, C462CEAT101M2AC467, C468CEAT1R0M50C470CEAT3R3M50C169, C170CEAT470M25C459, C460, C463, C464CEAT470M50C157, C158CEAT471M6R3Mark No.DescriptionPart No.Mark No.DescriptionPart No.A-20724Mark No.DescriptionPart No.Mark No.DescriptionPart No.C301, C302, C305, C306CEBA100M50C307, C308CEBA221M25C321C324CFTYA224J50C173CFTYA564J50C330, C332CKCYB331K2HC165, C166CKSQYB222K50C111C113, C171, C341CKSQYF473Z50C159, C160CQMA243J50C161, C162CQMBA823J50RESISTORSR311, R312RDR1/4VM152JR301, R302RDR1/4VM240JR303, R304RDR1/4VM561JR143RS1/10S100JR133, R134, R171, R172RS1/10S101JR351R354, R452RS1/10S101JR317, R318, R331, R332RS1/10S122JR357R360RS1/10S151JR377, R378, R453RS1/10S153JR465R470RS1/10S161JR361R366RS1/10S1R5JR339R346RS1/10S221JR454RS1/10S273JR355, R356RS1/10S432JR459RS1/10S470JR464RS1/10S4R7JR379, R380RS1/10S682JR451RS1LMF270JR401, R402RS1LMF331JR461R463RS1LMF390JR403RS1LMF821JR373R376RS1LMFR22JVR3012.2kVCP1123VR3022.2kVCP1123Other ResistorsRS1/10S&JOTHERS402CABLE HOLDER(3P)51063-0305SCREWABA1007SCREWABA1052CN101PIN JACK(8P)AKB7023CN102PIN JACK(8P)AKB7023401SPEAKER TERMINAL 8P AKE1011HEAT SINK MANH-813HEAT SINK BANH1021CN202CONNECTOR 19PHLEM19S-1CN20316P PLUGKM200TA16PCB BINDERVEF1040KN101EARTH METAL FITTING VNF1084KN201EARTH METAL FITTING VNF1084KN301EARTH METAL FITTING VNF1084KN451EARTH METAL FITTING VNF1084 FRONT R ASSYSEMICONDUCTORSIC601PD5443AQ6092SA1162Q6102SC2712Q611Q613, Q615, Q616DTA124EKQ601Q606, Q608, Q614DTC124EKFD608D612, D615, D617D6201SS355D607SLP6118C51HD601D606SLP9118C51HSWITCHES