Kenwood-DS300-cd-sm 维修电路原理图.pdf

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1、COMPACT DISC PLAYERDP-4090/DP-5090/D-S300SERVICE MANUAL 1997-6/B51-5324-00 (K/K) 21727641SEARCHTEXT DISPLAYPEAK SEARCHPHONESPOWER-ON OFF DIGITAL AUDIOCOMPACTDIGITAL AUDIOCOMPACT0TEXTLRLRLINE 1 LINE 2OUTPUTDIGITALOUTPUTSYSTEMCONTROLOPTICAL COAXIALSL16 XS 8TEXTKENWOOD badge(B43-0302-04)Front glass(B10

2、-2300-04)Color filter(B11-0346-04)Panel *(A60-)Metallic cabinet(A01-3398-01)Power cord *(E30-)Phono jack *(E63-)Phono jack *(E63-)Slide switch(S31-2094-05)Minitature phono jack *(E11-)Power cord bushing(J42-0083-05)Knob (BUTTON)(K27-2178-04)Phone jack(E11-0190-05)Dressing panel *(A21-)Door(A52-0312-

3、14)Soft tape(G11-2314-04)Soft tape(G11-2272-04)In compliance with Federal Regulations, following are reproductions oflabels on, or inside the product relating to laser product safety.KENWOOD-Corp. certifies this equipment conforms to DHHS RegulationsNo. 21 CFR 1040. 10, Chapter 1, Subchapter J.DANGE

4、R : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.Illust is DP-5090.* Refer to parts list on page 27.RadioFans.CN 收音机爱 好者资料库CONTENTS / ACCESSORIES / CAUTIONDP-4090/5090/D-S3002AccessoriesCONTENTS / ACCESSORIES / CAUTION .2EXTERNAL VIEW.3DISASSEMBLY FOR REPAIR.4BLOCK

5、 DIAGRAM .5CIRCUIT DESCRIPTION.6ADJUSTMENT.9PC BOARD .10SCHEMATIC DIAGRAM .15EXPLODED VIEW .24PATS LIST .27SPECIFICATIONS .33ContentsREMOTE CONTROL UNITRC-P0505 Audio cord (1)(E30-0505-05)System control cord (1)(E30-2733-05)AC plug adaptor (1)(E03-0115-05)M type onlyBatteries (R6/AA) (2)DP-R4080 onl

6、yRemote control unit (1)(A70-1048-05: RC-P0703)DP-R4080 onlyBattery cover: (A09-0356-08)Note related to transportation and movementBefore transporting or moving this unit, carry out the followingoperations.1. Turn the power ON but do not load a disc.2. Wait a few seconds and verify that the display

7、shown appears.Wait further a few seconds.3. Turn the power OFF.Caution123451234567891011121314151617181920no?d?SCIRadioFans.CN 收音机爱 好者资料库EXTERNAL VIEWDP-4090/5090/D-S30034COMPACT DISC PLAYER D-S300REPEATD.R.I.V.E.RANDOM670TEXTDIGITAL AUDIOCOMPACTDIGITAL AUDIOCOMPACTON/STANDBYLRLINE OUTPUTDIGITAL OUT

8、PUTOPTICAL COAXIALSISTEMCONTROLTEXTIndicator(B12-0312-04)Front glass(B12-2360- 12)Panel(A60-1141-11)Metallic cabinet(A01-3442-01)Phono jack *(E63-)Miniature phone jack *(E11-)Knob(K29-6671-02)Dressing panel assy *(A21-)Knob(K29-6671-02)Phono jack *(E63-)Oscillating module(W02-1114-05)AC power cord(B

9、30-2829-05)Power cord bushing(J42-0083-05)Illust is D-S300.* Refer to parts list on page 27.DP-4090/5090/D-S3004DISASSEMBLY FOR REPAIR12The method that takes out a tray.1. Plug thin driver etc.to a square hole. And, press a rack gearin the direction of an arrow(1).2. Press the back side of a tray to

10、ward an arrow(2) with a fin-ger. At this time, draw a tray from a front side because atray appears on the side of a front.5BLOCK DIAGRAMIC1IC16ACTUATORDRIVERIC18CD TEXTLC8917OMIC21256KS-RAMED1FLFIP15 X MIBAFL DRIVERLC75710NEIC1KEYINPUTREMOCONSENSOREXCEPTD-S300HEADPHONESJ4IC2CDX2507AQD.S.PUPD78055GCu

11、-COMIC19DIGITAL+5V POWERXTAL34MHzANALOG+5V POWERD,FSM5843D-LATCHMCKO16MHz24bit DACKAN05+5V POWERSUPPLY(DIGITAL)+5VD.OUTDATABCKLRCKu-COM+5V POWERSUPPLYXTAL16.9MHzKAN 03D.R.I.V.EDACIC3IC15RECTIFIER(DIGITAL) 9VD21D22RECTIFIER(ANALOG) 11V-11V+11VA2OPTICALOUTJ2COAX OUTQ5,6J3SYSTEMCONTROLS3XS8/SL16SWTRANS

12、-FORMERL.P.FIC13,14J1LINE OUT1 L/R2 L/RCDM-30CXA1782BQRF & SERVO+5V+5VHEADPHONESAMP+ 9V21X25-592 (DP-4090/5090)X25-593 (D-S300)X32X14-444X32-331X-XXDP-4090/5090 ONLYDP-5090 ONLYDP-4090/5090 ONLYDP-4090/5090ONLYX32DP-4090D-S300DP-4090/5090/D-S300DP5090DP-4090/5090/D-S3006CIRCUIT DESCRIPTION1. Main Mi

13、croprocessor : uPD78055GC-A02 (X32-, IC19)1-1 Microprocessor periphery block diagram55 CLK56 LAT57 DATA19 2658 SENSE(AD0 AD7)73 FOK27 3262 SCOR(A8 A13)16 SUBQ66 GFSRD 4018 SQCKWR 4159 MONWAIT 4254 MUTEGASTB 43TYPE 7610 SCLK8 SRDTDEFECT 5063 DQSYuPD 78055GC-A0239 OPEN_SW38 CLOSE_SW36 SLT_SW37 POS_SW4

14、4 OPENM45 CLOSEMMLEN 1MCK 2MDT 36 CLK5 SDA15 STANBY46 LDCA/D PEAK 7980 RMUTEREM 6112 DATA13 CLK8/16bit14 CESDATA 53SBUSY 5277 A/D KEY078 A/D KEY1RESET 60CXD2507AQCLKXLTDATASENSFOKSCORSQSOGFSSQCKMONS300 / 4090 MUTEX32 IC19X32 IC2SM5843ASI MUTEDP-5090LC89170MSCLK(CD TEXT)SRDTDQSYX32 IC18HM62256BLFP 8T

15、(SRAM)OEWECELE5.0V : D-S3002.5V : DP-50900.0V : DP-4090CDM-30MECHA SWLOADINGDRIVERSM5843ASIMLENMCKMDTDP-5090X32 IC3SGATESCKSDATAKAN03X2C00P(EEPROM)SLKSDAX32 IC25DP-5090 / DP-4090STANDBY LEDLASER ON / OFFANALOG METELC75712E(DOT DRIVER)FIP15XM1BA(FL)A/D KEYA / D PEAK SEARCHDEFECTPORT VOLTA/D0A/D14. 8

16、4. 2OPEN / CLOSEPOWER (*2)4. 2 3. 4PLAY / PAUSETEXT DISPLAY (*1)3. 4 2. 5STOPPEAK SEARCH (*1)2. 5 1. 6UPFF (*1)1. 6 0. 8DOWNFB (*1)0. 8 0. 2REPEAT (*2)RANDOM (*2)(*1) DP-5090/DP-4090 ONLY(*2) D-S300 ONLYX32 IC21X25 IC1X14 IC4REMOCON8bit / 16bitSERIAL COMMU-NICATIONRESETDP-4090/5090/D-S3007CIRCUIT DE

17、SCRIPTIONPin No.NameI/ODescriptionActive1MLENOSM5843ASI/KAN03 Enable output2MCKOSM5843ASI/KAN03 Clock output3MDTOSM5843ASI/KAN03 Data output4AVSSVss (GND)5SDAI/OX24C00P(EEPROM) Data input / output6SCLOX24C00P(EEPROM) Clock output7AVREF1IVdd (+5V)8SRDTILC89170M(CD TXT DECODER) Data input9NCONo used10

18、SCLKOLC89170M(CD TXT DECODER) Clock output11NCONo used12DATAOLC75712E (DOT DRIVER) Data output13CLKOLC75712E (DOT DRIVER) Clock output14CEOLC75712E (DOT DRIVER) CE output15STBYOSTANDBY_LEDH : LED_ON16SUBQIQ_data input17NCONo used18SQCKOQ_data reading clock output19-26AD0 - AD7I/OHM62256BLFP8T (SRAM)

19、 ADR / data input / output27-32A8 - A13OHM62256BLFP8T (SRAM) Address output33VSSGND34, 35NCONo used36SLT SWICDM-30 start limit switch inputL : Switch_ON37SLOW SWICDM-30 tray (open / close) decelerationL : Switch_ON38CLOSE SWICDM-30 close switch inputL : Close39OPEN SWICDM-30 open switch inputL : Ope

20、n40RDORead strobe signal output41WROWrite strobe signal output42WAITIExternal waiting signal input (no used)43ASTBOAddress strobe signal output44OPEN MOTOROTray motor control (open)H : Open / T.U.down45CLOSE MOTOROTray motor control (close)H : Close / T.U.ip46LCDOLaser signal outputL : Laser diode O

21、N47-49NCONo used50DEFECTIA cracked disc detection inputH : Detected518 / 16bitI“8bit , 16bit change-over”H : 16bit52S.BUSYI/OSerial busy signal input / output53S.DATAI/OSerial data signal input / output54MONOCXD2507AQ spindle motor ON / OFF change-over55CLKOCXD2507AQ clock output56LATCHOCXD2507AQ la

22、tch output57DATAOCXD2507AQ data output58SENSEICXD2507AQ sense output59MUTEGODigital mute controlL : Mute_ON60RESETIReset inputL : Reset61REMIRemocon signal input62SCORISub code frame sync detection signal63DQSYIText data reading permission signal input1-2 Pin descriptionDP-4090/5090/D-S3008DIRCUIT D

23、ESCRIPTION2. Test mode2-1 Setting the test mode The microprocessor built in the unit can be put to TESTMODE by just pressing the UP key when set to power on.2-2 Key vs Function in test modekeysDisplayDescriptionRemarksUP (Keep to press upkey and AC ON)TESTTray opens automatically.Setting the test mo

24、dePLAY/PAUSE 68 30 : (1) Focus servo ON(2) Tracking servo OFF(3) Feed servo OFFTE-balance adjustment 05 00 : 00(1) Focus servo ON(2) Tracking servo ON(3) Feed servo ONFocus gain / Trackinggain and FE- balanceadjustmentUP FL all light up dot demonstration mode normal test mode indication * FF 1FEED O

25、UTMove the pick - up to the direction of the outer circumfer-ence.* FB FEED INMove the pick - up to the direction of the inner circumfer-ence.* STOP 7TEST 00Disc will be stopped.* 8 BIT SYNC16 BIT SYNC8 bit sync and 16 bit sync will be displayed by changingthe SL16/XS8 switch on the rear panel.* PEA

26、K SEARCHChange the output level cyclically. Max -10dB Min DOWN 4 01Cancellation of the test mode and 01 play.* DP 4090/DP-5090 onlyThe following keys are not operate in the test mode. TEXT DISPLAY KEY (DP-4090/DP-5090) REPEAT / RANDOM KEY (D-S300)Pin No.NameI/ODescriptionActive64, 65 NCONo used66GFS

27、IFrame signal input from CXD2507AQ67NCONo used68VDDPower supply (+5V)69X2system clock input70X1Isystem clock input71ICGND72XT2No used73FOKIF.OK signal input74AVDDVdd75AVREF0IVdd7650 / 40IModel discrimination5V : D-S300 / 2. 5V : DP-5090 /0V : DP-409077, 78 A / D0 ,A/D1 IA/D key input79PEAKIA/D peak

28、search input80RMUTEOAnalog mute controlDP-4090/5090/D-S3009ADJUSTMENTFIG.GND+_L.P.F.+L.P.F.VTVMVTVM12345671.2 kHz50 mVrms(a)No.ITEMINPUTSETTINGSOUTPUTSETTINGSALIGNMENTPOINTSALIGNFORPLAYERSETTINGS1LASER POWERApply the sensor sectionof optical power meteron the pickup lens.On the power from0.08 to 0.1

29、5 mW,when the diffractiongrating is correctlyaligned with the RFlevel of 1.0 Vp-p ormore.While pressing theUP key, turn the ACON. (Test mode)Press thePLAY/PAUSE key,then confirm that thedisplay is 03.(a) Laser powerPickup3FOCUS ERRORBALANCETest discType 4Connect an oscilloscopeas follows.CH1 : RF (C

30、N2 pin 1)CH2 : FE (CN2 pin 2)FE BALANCEVR1Optimum eye patternPress thePLAY/PAUSEkey,then confirm that thedisplay is 05.Note:Type 4 disc : SONY YEDS-18 Test Disc or equivalent.LPF: Around 47 k+ 390 pF or so.0.080.15 mWOptical power meter2TRACKING ERRORBALANCETest discType 4Connect an oscilloscopeas f

31、ollows.CH1 : RF (CN2 pin 1)CH2 : TE (CN2 pin 6)TE BALANCEVR2Symmetry betweenupper and lower pat-ternsPress thePLAY/PAUSE key,then confirm that thedisplay is 03.CN2(e) Tracking gain(e)4TRACKING GAINTest discType 4Apply signal of1.2 kHz,50mVrms toCN2 pin 5-6.Connect a LPF to CN2pin 5-6 to which youcon

32、nect an oscilloscopeor AC voltmeters.TRACKINGGAINVR3Two VTVMs shouldread the same value.Press thePLAY/PAUSE key,then confirm that thedisplay is 05.Step 14 are in TEST MODE10ACEBD21357 746PC BOARD (Compornent side view)Refer to the schematic diagram for the value of resistors and capacitors.D/A Conve

33、rter unitX14-444x-xx0-51 : DP-5090(T)2-70 : DP-5090(E)FHJLNGIKMO2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)1112Processor unit(X32-331x-xx)0-22 : DP-4090(M)0-23 : D-S300(MI)0-51 : DP-5090(T)0-52 : DP-4090(T)2-70 : DP-5090(E)2-71 : DP-4

34、090(E)PQSUWYRTVX2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)Display unit (X25-5922-70 : D-S300)Display unit (X25-5922-70 : DP-4090/5090)1314ACEGIBDFHJ2135746)()()(XX()()X)()()()()()()()()()()()()()()()()()()()()()()()()X()()()()()()()(

35、)()()()()()()()()()X)()()()()()()()()(X()()()()()()()()()(X()()()()()()()()()()()()()(XXXXX)(XXXX()()XX)()()()XXXX()()()(XXX0V0VC25529R33W257C70.12C13 10u35R27 2.2MFE1 2-10V+10VR26412KOPEN SWR70 27KR69 10KR17 10KOPEN SW+M3SW2SW1(BLK)(RED)76(BLK)LOAD+LOAD-7LOAD(+)6LOAD(-)C450.1SLOW SWCLOSE SWSLOW SW3

36、54(BLK)GNDPOSITION SW(RED)21(BLK)CLOSE SWGND(BLU)3R20 10K543738R18 10K2SW GND1+5VSW+M2+M1(BLK)SLIDE(-)SLT SWSLT SW(BLK)66SLT SW(BLK)5544(BLK)GNDSLM(+)R19 10K6363954R333 10.1C46SPINDLE(-)SPINDLE(+)SLIDE(+)(WHT)2233(BLK)SLM(-)DM(+)11DM(-)2310R7118+C48 220PSL9-75627KR267R26610KR73 27KC49 220P1R334R74-1

37、0V0.1C4710-10V27K12SP-34+10R2654.7KR263C440.1C410.1C300.1R6410R631RF1FO27K4-10VR27127K5+80.1C3110R6827KR269TR106+R67197-C33220P10KR270R6110K213-C32220PR6227KR25 110K0.047C12C11 220PC101000P110KR24R231MR66R6510KR29910K26252423R278R279R277R275R276R274P3+5VLEGND+5V+5VGNDNCNCNC98675324VREFGNDOUT1IN1VSVC

38、COUT2NCIN21C262C3000.010.01R287 4.7K3214R288 4.7K56R291443.3K12KR259456587SCLNCVCCSDA101121722891019202047019470C74 0.01Q3Q1Q2987654D2D3Q0CE132D1D0D5Q4D4Q6Q5121314151617D6Q7D7VCC201819+5V4702147022244702347025+5V+5V21R324 47019182020171819R325 4701416151312R329141516111213470R32847081068910567AD2AD3

39、22212322AD1NCSQCKAD0AD4AD5AD624232524NCCESTBYSQSIDATACLKSRDTNCSCLKSCLAVREF53122431777861C275 0.01C274 0.01A/D1MDTAVSSSDAMCKMLENPEAK80MUTE797877A/D07650/40+5V10KR273R272 470+10V+5VIC21IC2046453212019141312101189105677986547026340.01C7513225D2VSSD1D0D4D3D5D6A1A0A2A4A3A5CED7A10A11OEA9151617191823222425

40、222021232426292830+5VA7A6A12A14A13A8WEVCC2826273227IC16+10V10K+5VR2680.033C191/4W+5V7.5KR314 6.8470R289+10V-10V+5VC430.01+5VSENSE39SDATASBUSY8/16SWDEFECTREM28AD72626252728A827A9A10A12A13302929A11323031VSS343233NCNC35SLTSWSLOWSWCLSSWOPENSW37373636393838X3697574AVREFOAVDD7372FOKXT27071ICX1X2+R30073+5V

41、C226100u10+5VR327470KNC68VDDNC6766GFSDQSY6564NC6362SCOR0.1u50+2.2M66R304C27740RDASTBWAITWRCLSMOPNM434241464544444510KR258R319R31847047052NCNCLDCNC4948475150MONCLK54535655465455+10V-10VR322R320470470MUTEDATAXLT575958RST61605657595810KR227C229 0.01R228100+5V+10V-10V+5V+10V+5V2200P929C29100u10R42R411.3

42、KC2COILCOILTRAKINGC30.1C10.1FOCUSMONLDGND1/2VCCVCCF5R7330K1243100FE234VC56TE2TE17S.S312FC-TC-4TC+FC+14161513R8 1KSRCHFDFCTVC100R148.2KR482.7K4700PR49C510u35+680KR220.1R212.2MC8+0.1C92FEO14FGD3FEIFE-76FEO5FLB8R10 47K330KR11C2VR333KC3 0.12C4 47PR3010.0110KC1R94648TDFCT47TZCATSC45TEI44LPFI0.1VR1 1K67VR

43、MONLDSHORT LAND8LD GND1110L110uH91210911FC2B1314AC1E5R2 68KR1 68K78Q46R3 68KR4 68K43RFIRFORF-LDPHDPHD1PHD2R6100KVR2 47K10KR5 75KR47R4668KE41TEO42VEEEI4039F38FE.BIAS374.7K0.022C6R4510KR40363334353132301.5KC25C260.01R39CBAE20KR151/2VCC1516VCC21+5VR1620K33KVR1R441M10+56PC2813FSTT1457XLTOISETC20C18 0.01

44、R31 22KFSETC17 22u100.033R28 510KC15 0.01C16 150PC14R29 56K121110TG2TGUTAM4.7KR34+R354.7K10100uC21TAOSL+100KR301314SL-SLOR3782K1516R366.8K+5V+5VC2760.010.010.01R323470R3215758505149318591612447046474843444540414237383955CLOK5652DATASENSXRSTXLAT55545453565655CNINSEINDATOSCORSQSOSQCKMUTESBSOEXCKEMPHWF

45、CKVSSC4MDOUT+5VFOKCC2CC1CBCP5956575554DATAVCCCLKXLT1718R38 240K1920XRSTC.OUTSENS21222324+5VC2227282526C230.01C240.033150KR3254+5V7346SPOB5958576059CLKOVDDSPOA6261+5V6463SPOCXLONSPODTESTC680.01+C42330u6.3MDPMONFOKLOCKMDS3216549FIL0FIL178AVSSVSSPCOAVDDCLTV11101312R530.0473.3KC37R511500P3.3KC3810KR5227

46、C351000P100KR5635363334L10W2616631XTA0XTSLMNT0XTAIMNT3MNT13229C2POXROF30RFCKGFS28+10VC58 100u101000PC64C5539P22KR95C59 0.01W232330R33922KR96C57W25016.9344MHzX2R13100+R9768PC5668P1KR290C2933306059581MR125255575654534951504847R280 470R281 470R282 470XPCK26VDDGTOPXUGF2425PCMD22BCK23LRCK2021BIASRFASY0AS

47、Y1151716ASYEWDCK1918500.01C2670.47uC40R55 100KR298 10KR54 1MC39 0.01+C279330u6.3+5V+10VW2602GNDNC1NCMCKTHDATAI3BCKI54LRCKIMMOD1MMOD0NMUTENCLRLHHCKOMCKOVDXXOGNDXXINCNRAMRS76NFRNTNNODR98DRON1231110P/SSDATA12SCKSGATEQ2Q3Q11/4W22R3131/4WR3126.80.022+5V1/4WR311 100+5VC61R307150KC2780.01+5V201714 13 12 11

48、 109GNDGNDGNDDATABCKRST18231EMP387645MCKMDTLRCK16MMLEN12MUTE+BR100R98 470470R99 4701514SDAC8FSGNDNRSTO1617C67+1u50BCKOLRCKODATAOTEST0TESTI8FSLRCKO8FSLDATAO8FSBCKO8FSRDATAONCNC1918202221232624252728171820+5V0.0110846VDDNCVDD301.9V2.2V2.2V2.2V2.2V2.2V2.2V2.2V2.2V1.9V5.0V4.5V2.3V2.2V2.2V2.2V2.2V2.5V2.2

49、V2.4V2.2V2.2V0.8V2.2V2.2V2.2V2.2V2.2V1.3V4.5V5.0V4.9V5.0V4.9V4.5V0V4.5V1.0V1.2V1.8V2.0V2.2V3.0V2.2V3.2V0.2V2.2V2.2V0V2.0V4.5V3.3V0.6VOFF: 5.0VON: 0VLDC1.0V2.8V2.5V2.5V2.5V2.5V2.8V5.0V2.6V2.6V2.4V2.4V2.6V2.6V2.5V2.5V2.3V2.3V5.0V5.0V2.0V2.0V2.6V2.4V2.7V2.5V2.3V1.7V5.0V1.9V2.5V0V2.5V2.6V2.4V2.4V2.6V2.5

50、V2.3V2.5V2.7V2.5V2.6V2.3V5.0VTRAYCLOSE: 5.0VTRAY OPEN: 5.0V4.5V3.5V5.0V5.0V5.0V5.0V5.0V2.4V4.5V2.4V2.5V0.9V2.5V2.5V4.9V2.0V2.5V2.3V4.9V4.9V2.3V5.0V5.0V0V0V5.0V1.1V1.8V0V2.5V0V0V2.4V5.0V4.5V0V4.9V2.4V2.5V2.5V5.0V0V5.0V5.0V2.5V1.2V1.6V2.2V2.1V5.0V1.8V10.1V1.6V1.6V10.1V-10.6V1.4V1.4V1.6V1.6V1.6V1.6V5.0