Nakamichi-DragonDAC-dac-sm 维修电路原理图.pdf

DRAGON-CD Limited (CD Player Unit)iService ManualService ManualDRAGON-CD/DACLimitedMusicBank CD Player SystemDRAGON-CD/DAC Limited Service ManualRadioFans.CN 收音机爱 好者资料库DRAGON-CD Limited (CD Player Unit)iiCONTENTSThis service manual consists of the following units. DRAGON-CD Limited (CD Player Unit) DRAGON-PS Limited (Power Supply Unit) DRAGON-DAC Limited (DAC)Note:This RAGON-CD/DAC Limited Service Manual describes the different items from theDRAGON-CD/DAC (0Q06188A) issued on April, 1995. For items other than described inthis Service Manual, please refer to the RAGON-CD/DAC Service Manual.DRAGON-CD Limited CD Player Unit 1.General.1-2 2.Mechanism Assy and Parts List .1-4 2.1. Synthesis .1-4 2.2. Front Panel Assy (A01) .1-6 2.3. Rear Panel Assy (A02) .1-7 2.4. Mechanism Deck Assy (A03) .1-8 2.5. Tray Assy (B01) . 1-10 2.6. Side Chassis R Section (B02). 1-11 2.7. Main Chassis Section (B03). 1-12 2.8. Drive Unit CA Section (B04). 1-13 3.Modified Circuit . 1-14DRAGON-PS Limited Power Supply Unit 1.Mechanism Assy and Parts List .2-21.1.Synthesis .2-21.2.Front Panel Assy (A01) . 2-3 2.Remote Control Unit .2-4DRAGON-DAC Limited 1.General.3-2 2.Parts Location for Electrical Adjustment.3-4 3.Electrical Adjustments .3-4 4.Mechanism Assy and Parts List .3-54.1.Synthesis .3-54.2.Front Panel Assy (A01) .3-74.3.Rear Panel Assy (A02) .3-8 5.Mounting Diagrams and Parts List.3-95.1.DIF D-D P.C.B. Assy .3-95.2.DAC FA P.C.B. Assy . 3-10 6.IC Block Diagrams . 3-13 7.Block Diagram . 3-15 8.Specifications . 3-16Schematic Diagram for DRAGON-DAC Limited (See the end of this manual.)RadioFans.CN 收音机爱 好者资料库DRAGON-CD Limited (CD Player Unit)1-1DRAGON-CD Limited(CD Player Unit)CD Player UnitDRAGON-CDLimitedTri-Stage IsolationPushMusicBank CD PlayerDRAGON-CD Limited (CD Player Unit)1-2CONTENTS1.GENERAL1.1. Product CodeV6861.2. DestinationsUSA, CAN, OTR, EP, JPNAbbreviationsUSA U.S.A.CAN CanadaOTR OtherEP EuropeJPN Japan 1.General.1-2 2.Mechanism Assy and Parts List .1-4 2.1. Synthesis .1-4 2.2. Front Panel Assy (A01) .1-6 2.3. Rear Panel Assy (A02) .1-7 2.4. Mechanism Deck Assy (A03) .1-8 2.5. Tray Assy (B01) . 1-10 2.6. Side Chassis R Section (B02). 1-11 2.7. Main Chassis Section (B03). 1-12 2.8. Drive Unit CA Section (B04). 1-13 3.Modified Circuit . 1-14DRAGON-CD Limited (CD Player Unit)1-31.3. Package Assy and Accessory AssyFig. 1SchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description Qty Package Assy010F05006APacking (for Power Supply Unit)2020F04874ASoft Sheet A (for Power Supply Unit)1030F05002APacking F,R (for CD Player Unit)2040F04956ASoft Sheet (for CD Player Unit)1050F05001AInner Carton1060F05009AOuter Carton1 Accessory Assy10B80864AAC Cord 2P Socket (USA, CAN)10B80826AAC Cord 2P Socket (JPN, OTR, EP)1(for Power Supply Unit)0B80827ANC 3 Cable Assy1(for Power Supply Unit)0C09816BAdaptor 3-Inch70D06703ADIN Cord (for Power Supply Unit)10D06717ACD Cloth10F04931ASoft Sheet1 Remote Control Unit1DG05497A Owners Manual (Japanese)1DG05498A Owners Manual (English)1DG05515A Owners Manual1(English/German/French)DG05012A Information Assy (Japanese)1DG05014A Information Assy (English)1DG05501A Technical Information Assy (Japanese) 1DG05502A Technical Information Assy (English)1DG05516A Technical Information Assy1(English/German/French)0E03310AM4x6 + Binding (Black)40J04310AWasher Poly Slider FT-404DRAGON-CD Limited (CD Player Unit)1-42.MECHANISM ASSY AND PARTS LISTSchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description Qty300J07486AMecha Cushion2310J07456ASeal S2320J07601AAL Stabilizer Bottom1330H07020BBonnet Lower1340H08608AEmblem1L010E03889AM5x50 Hex. BoltL020E03883AWasher 5.5x10 x0.8 (Black)L030E00819ASpring Washer 5mmL040J07593AWasher Poly Slider 5mmL050E03872ATP4x20 + Pan (Black)L060E03901ATP3x18 + Countersunk (Black)L070E03853AShipping Lock ScrewL080J04310AWasher Poly Slider FT-40L090E03866AST3x17 Button Bolt (Black)L100E00857ABT3x6 + BindingL110E03030AM3x6 + BindingL120E00800AST3x6 + BindingL130E04207AM4x10 Button Bolt (Gold)L140J07594AWasher Poly Slider 4mmL150E00818AM3x8 + Binding (Black)L160E03769APT2.6x8 + BindingL170E03900AM3x5 Hex. FH (Black)L180E03746AM3x6 CountersunkL190E03805APT3x9.5 Special ScrewL200J07534AInsulatorL210E03815APT3x12 + Flat Head2.1. SynthesisFig. 2.1.1 Synthesis (1/2)2.1. Synthesis Synthesis010J07542BSleeve8020H07021ASide Wood Plate2030H07024ASide Spacer A8040H07023ALeg4050J07543ALeg Cushion4060H07014BBonnet Upper1070J07481BCollar8080J07507AAl Stabilizer Upper109 Rear Panel Assy110BA09409AMain P.C.B. Assy111 Front Panel Assy112BA09210ATilt Switch P.C.B. Assy1130B80685A3P Connector Assy CN1071140J07540BChannel2150J07285ACushion Channel216CG09331A Mechanism Deck Assy1170H07026ALid1180B80671A12P Connector Assy CN1041190B80672A4P Connector Assy CN1051200B80670B6P Connector Assy CN1031210J07539BSub Chassis2220J07538ADamper4233J07491ADamper SL R2243J07490ADamper Holder R2253J07489ADamper Holder F2263J07492ADamper SL F2270J07352ASpring Sus Front228JG04906AMain Chassis Assy1290J07260ASpring Sus Rear2DRAGON-CD Limited (CD Player Unit)1-5Fig. 2.1.2 Synthesis (2/2)DRAGON-CD Limited (CD Player Unit)1-62.2. Front Panel Assy (A01)Fig. 2.22.2. Front Panel Assy (A01)A01 Front Panel Assy1010H08620AKnob Assy2020J07595AWasher 12.2mm2030H08609AFront Door1040H06935BDoor Sponge1050H07092ADoor Spacer2060J07495ASpring K2070J07485AKnob Spacer B2080H06954ADoor Pin1090H08607ADoor Hinge1100H06955ACushion D2110H07017ADoor Base1120J07484CLock Stud2130H07012AFront Panel1140H07088AFront Shield1150J07503CDoor Switch Sheet116HA07021BIndicator Assy1170H06770CButton Disc1180J07325BDiffusion Sheet1190J07579ADiffusion Sheet (Gray)1L010E03851AC StopperL020E03867AM2.6x5 + PanL030E03850AM2.6x5 + Binding 3A (Black)L040E00896AM3x6 + BindingL050E03243AM2x2.5 + PanL060E03529AM2x4 + BindingL070J07612AWasher 4x2.1x0.5SchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description QtyDRAGON-CD Limited (CD Player Unit)1-72.3. Rear Panel Assy (A02)Fig. 2.3SchematicRef. No. Part No. Description Qty2.3. Rear Panel Assy (A02)A02 Rear Panel Assy101BA09410ADigital Out P.C.B. Assy1020H07088AFront Shield1030H07013ARear Panel1040B80830A3P XLR Connector (Male) PJ8031050B80828A1P Pin Jack (WHT) PJ8011060B80862A1P Pin Jack (RED) PJ8021070B80863A1P Pin Jack (YEL) PJ3011080B84524ARCA Cap3090B22666ARM 10 1/4W F R561L,R2100B22567ARM 100 1/4W F R5601110B41823ACML 0.01 50V J C5601L010E00964AM3x5 + BindingL020E03905AST3x6 + Countersunk (Black)L030E00985AM3x6 + Binding (Black)DRAGON-CD Limited (CD Player Unit)1-8Lubricant (Grease)A A A:FLOIL G425B B B:FLOIL FL7772.4. Mechanism Deck Assy (A03)Fig. 2.4DRAGON-CD Limited (CD Player Unit)1-92.4. Mechanism Deck Assy (A03)A03CG09331A Mechanism Deck Assy1012C00128AClamper Top MSS1022C00285ATop Cover N1032C00016AMagnet 17x27x51042C00015AClamper LO1052C00101AA Arm Cushion2062C00116AAssist Arm N107CB00245AStocker N Assy108 Drive Unit CA Section1092C00284ASide Chassis L N110 Side Chassis R N Section1112C00098ATray Holder L112CB00230ATiming Assy113CB00246ATray Assy N114 Main Chassis N Assy1152C00097ATray Holder R1160C09857AMecha B Stopper BLK1172B70009AStore Switch MSS-10L2-11182C00107AWire Clamper 3B402192B70007AEject /T-Close Switch SSS-131200C09850AClamper Sheet1210C09830BCarriage-S-11220C09831BCarriage-S-21230C09832BCarriage-S-31240C09833BCarriage-S-41250C09834BCarriage-S-51260C09835BCarriage-S-61270C09836BCarriage-S-71282C00129AMagnet 17x28.5x21292C00130BClamper HI MSS1302C00127AClamper Plate1312B70017AChucking Detection Switch1L012E00036APT M2.6x8 + Binding (Black)L022E00038APT M2.6x12 + BindingL032E00032APT M2x6 + Binding (Black)L040E03442AST2.6x5 + PanL052E00037APT M2.6x10 + Binding (Black)L062E00035APT M2.6x6 + Binding (Black)L072E00013AM2x4 + Binding (Black)SchematicRef. No. Part No. Description QtyDRAGON-CD Limited (CD Player Unit)1-10Lubricant (Grease)A A A:FLOIL G425B B B:FLOIL FL7772.5. Tray Assy (B01)SchematicRef. No. Part No. Description QtyFig. 2.52.5. Tray Assy (B01)B01CB00246A Tray Assy N1012C00287ATray Top N1022C00303ATray Plate N1032C00068AShuttle Lock Spring1042C00061AShuttle Lock1052C00291ATray R N1062C00290ATray L N1072C00302ATR Guide Shaft N2082C00063ATray Guide R1092C00289ATray Guide L N1102C00070AStop Rubber2112C00286AShuttle N1L012E00032APT M2x6 + Binding (Black)L022E00029APT M2x4 + Binding (Black)DRAGON-CD Limited (CD Player Unit)1-11Lubricant (Grease)A A A:FLOIL G4252.6. Side Chassis R Section (B02)Fig. 2.6SchematicRef. No. Part No. Description Qty2.6. Side Chassis R Section (B02)B02 Side Chassis R N Section101CB00329AChange Plate N Assy1022C00281ACarriage Opener N1032C00039AChange Gear1042C00093ASwitch Bracket105CB00216ALoading Motor Assy106CB00330BSide Chassis R Sub N Assy1072C00044AS-P-Gear1082C00017ABelt-C-S1092C00041ASide Idler1102C00054AS-F-Gear1112C00042AS-I-Gear1122C00279AS-M-Gear N1132C00280ATray Stopper N114CB00331ATrace Arm N Assy1152C00300AGear Holder N1L012E00043APT2.0 x1.2x7.2L022E00035APT M2.6x6 + Binding (Black)L030E00945AM2.6x4 + Binding (Black)L042E00036APT M2.6x8 + Binding (Black)L052E00031APT M2x12 + Binding (Black)L062E00042AM2x4 + Binding (Black)L072E00047AWasher 2.1x5x0.5DRAGON-CD Limited (CD Player Unit)1-122.7. Main Chassis Section (B03)Lubricant (Grease)A A A:FLOIL G425B B B:FLOIL FL777Fig. 2.7SchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description Qty280B81459A2P T-Post2290B81460A3P T-Post1300B09663ARK 270 1/6W J1310B09665ARK 330 1/6W J2320B81470A6P S-Post1330B81468A4P S-Post1340B84475A12P S-Post1L012E00035APT M2.6x6 + Binding (Black)L020E00945AM2.6x4 + Binding (Black)L032E00031APT M2x12 + Binding (Black)L042E00055APT M3x12 + Pan Washer-FacedL052E00040AM1.7x5 Touchlock (Black)L062E00009ABT2x8 + Binding Washer-FacedL072E00044APT2.6x1.4x8.9L082E00034APT M2.6x5 + BindingL090E00501AM3x3 + PanL102E00041AM1.7x8 Touchlock (Black)L112E00028APT M2x8 + BindingL122E00039AM1.7x4 Touchlock (Black)L132E00033APT M2.6x4 + BindingL142E00048AWasher 2.7x6x0.5L152E00027APT M2x5 + Binding2B80006AWire CNW-W6P12B80007AWire CNW-2P17512B80008AWire CNW-2P33012B80009AWire CNW-W4P12B80010AWire CNW-W2P5012B80011AWire CNW-W11P12B80012AWire CNW-3P12.7. Main Chassis Section (B03)B03 Main Chassis N Section101CB00335ADisc Lock Arm N Assy1022C00305AGear Plate1032C00117AME UD Cam Top N1042C00118AMecha UD Cam N1052B70008ACam Switch MSS-10R2-163062C00082AID-ST-Gear1072C00074AD1-ST-Gear108CB00226AD2-ST-Gear Assy1092C00075AD3-ST-Gear2102C00076AD4-ST-Gear1112C00077AD5-ST-Gear1122C00083ALock Idler1132C00079AD7M-ST-Gear1142C00278AD6P-ST-Gear N1152C00277AChange Arm N1162C00091AStocker Cam1172C00018ABelt-T-C1182C00092AST-Worm-Gear1192C00088AMotor Bracket1202C00311AWorm Shaft N121CB00213AStocker Motor Assy1222B70012AHome Position MSS-10R2-171232C00099AMecha Cushion224CB00334BMain Chassis N Assy1250B10671APhotoreflector GP2S401260B10670APhotointerrupter GP1S52V1270B10669APhotointerrupter GP1S51V1DRAGON-CD Limited (CD Player Unit)1-132.8. Drive Unit CA Section (B04)Fig. 2.8SchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description Qty2.8. Drive Unit CA Section (B04)B04 Drive Unit CA Section1012C00023AGear Power1022C00022AGear Middle1032C00105APlate Rack1043C09845APick-up SF91PQ1052C00021AGuide Bar B1062C00020AGuide Bar A107CB00458ADisc Motor Assy108CB00218AFeed Motor Assy1090B81470A6P S-Post1102B70011ALeaf Switch BSW-333A1112B60002AMotor P.C.B. 90V-M1122C00027AMecha. SP B2132C00025AMecha. Limit414CB00332AMecha Base N Assy1152C00024AMecha. SUS4162C00026AMecha. SP A2172C00087AMecha. Chassis118CB00457AUnit Mecha Assy1192B80032A5P Connector1202B80033A8P Connector1212C00314ATable Sponge1L010E03648AM2x5 + CountersunkL022E00053AST M2.6x6 + BindingL032E00054AST2.6x4 + Washer-FacedL040E03439AM2x2.5 + Pan (Black)L052E00004AST2.0 x10 x15L062E00003AST2.0 x3.0 x8.0DRAGON-CD Limited (CD Player Unit)1-143.MODIFIED CIRCUITThe following parts have been added to the Main P.C.B. Assy.SchematicRef. No.Part No.DescriptionAdded between(Countermeasures against CD-R)C1620B41297ACML 0.082 50V JPins 15 and 16 of U101C1650B41975ACC10P 50VPins 8 and 9 of U101(Countermeasures against Cam Switch chattering)C1610B40111ACE0.47 50VPins 2 and 12 (GND) of CP104(Countermeasures against electric static discharge)C1660B41944ACC100P 50V KPins 22 and 26 (GND) of U102C1670B41944ACC100P 50V KPins 16 and 21 (GND) of U104(Other countermeasures)C1630B41708ACC22P 50V JIn parallel with C104C1640B41975ACC10P 50V DPins 7 and 9 of U101DRAGON-PS Limited (Power Supply Unit)2-1DRAGON-PSLimitedPower Supply UnitDRAGON-PS Limited(Power Supply Unit)PowerOff OnDiscTrackTrackTimeRandomRepeatDiscDigital InputA BTri-Stage Isolation 1.Mechanism Assy and Parts List .2-21.1.Synthesis .2-21.2.Front Panel Assy (A01) . 2-3 2.Remote Control Unit .2-4CONTENTSNote:DRAGON-PS Limited is included in the DRAGON-CD Limited. For Package Assy andAccessory Assy, refer to 1.3 Package Assy and Accessory Assy in the CD Playersection.DRAGON-PS Limited (Power Supply Unit)2-21.MECHANISM ASSY AND PARTS LISTSchematicRef. No. Part No. Description QtySchematicRef. No. Part No. Description QtyFig. 1.11.1. Synthesis Synthesis010H07035ABottom Cover102BA09403APower Supply P.C.B. Assy1030B50280APower Transformer T701 (USA, CAN)10B50279APower Transformer T701 (OTR)10B50278APower Transformer T701 (JPN)10B50353APower Transformer T701 (EP)1040J07549ALeg Cushion4050H07032ASide Wood Plate206 Front Panel Assy1070B10684AIC PQ12RF2 U701,7022080H07033ACase109BA09404A13 Pin Connector P.C.B. Assy1100H07071ARear Panel (USA, CAN)10H07047ARear Panel (OTR)10H08613BRear Panel (JPN)10H08615ARear Panel (EP)1110B90092AAC Inlet CN7011120B80819A4P XLR Connector (Female) CN5021130B80818A3P XLR Connector (Female) CN5011140B80824A4P Connector Assy CN5111150B80823A3P Connector Assy CN5101160B70242AVoltage Selector Switch (OTR)1L010E03137AM3x10 + Binding (Black)L020E00964AM3x5 + BindingL030E00633AM4x6 + Pan 3AL040E04208AM3x10 Hex. FH (Gold)L050E00985AM3x6 + Binding (Black)L060E03888ATP3x16 + Binding TappingL070E00921ABT3x8 + Binding (Black)L080E00818AM3x8 + Binding (Black)L090E03905AST3x6 + Countersunk (Black)L100E03012ABT3x12 + Binding (Black) (OTR)1.1. SynthesisDRAGON-PS Limited (Power Supply Unit)2-31.2. Front Panel Assy (A01)Fig. 1.21.2. Front Panel Assy (A01)A01 Front Panel Assy1010H08617AFront Panel1020H05488ALED Lens B3030H05975ARemote Lens1040H07037AWindow1050J07552BSleeve7060J07554ACushion7070H07038AButton7080J07553ASpring7090J07555ACushion7100B80876APoly Tube (Black)311BA09401AFront P.C.B. Assy112BA09402ADigital P.C.B. Assy1130H08618AEmblem1L010E00985AM3x6 + BindingL020E03265AM3x16 + BindingSchematicRef. No. Part No. Description QtyDRAGON-PS Limited (Power Supply Unit)2-4SchematicRef. No. Part No. Description Qty Remote Control Unit1010H08619ARemote Front Panel1020B90680ABattery Case1030B90683ABattery2040B10909ALED SE303A-C1050H07041ARemote Side Wood Plate2060H07042ARemote Bottom Cover1070H07044ASensor Cap1080H08622AEmblem Remote1L010E04209AM3x6 + Countersunk (Gold)SchematicRef. No. Part No. Description QtyL020E03691AM2x3 + Bind