Kenwood-CD4700M-cd-sm 维修电路原理图.pdf

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1、70%MULTIPLE COMPACT DISC PLAYERCD-425M/4260M/4700MSERVICE MANUAL 2000-3/B51-5610-00 (K/K) 3037DPF-J6030Front glass(B10-3558-18)Front glass(B10-3559-08)Dressing panel *(A21-)Knob(K29-7717-18)Dressing panel (A21-3813-08)Panel (A29-1081-18)Knob (K29-7716-18)Panel(A60-1753-38)Pin jack(E63-1078-05)Power

2、cord bushing(J42-0083-05) AC power cord(E30-2883-05)Miniature phone jack(E11-0293-05)Front glass(B10-3557-08)Dressing panel (A21-3815-08)Rectangular receptacle(E58-0024-05)Metallic cabinet *(A01-)Miniature phone jack(E11-0360-05)* Illustration is CD-4260M/4700M.* Refer to parts list on page 18.Oscil

3、lating module(W02-1114-15) In compliance with Federal Regulations, following arereproduction of labels on, or inside the porduct relating tolaser product safety.KENWOOD-Crop. certifies this equipment conforms toDHHS Regulations No.21 CFR 1040. 10, Chapter 1, Sub-chapter J.DANGER : Laser radiation wh

4、en open and interlockdefeated. AVOID DIRECT EXPOSURE TO BEAM.Refer to CD-223M/DPF-J3010 service manual (B51-5409-00) if require the following items in detail.1) Mechanism operation description.2) Disassembly for repair. RadioFans.CN 收音机爱 好者资料库Audio (E30-0505-05)(E30-2816-05)(E30-2861-05)cord . (2)Sy

5、stem control cord . (1)Batteries (R6/AA) . (4)Communication cord . (1)REMOTE CONTROL UNIT RC-KB2REMOTE CONTROL UNITRC-P0714TUVXYZW/.()MODESETSELECTORDISCDELETE/CLEARSPACECHARAC./CHECK/P.MODERANDOMSELECTONDISPLAYCONFIRMABCDEFGREPEATBESTPOWER324HJKLMNOPQRS17685+100+10097ENTER641DISC SKIPDOWNUPCURSORCH

6、ARACTERDOWNUPLEFTRIGHTIRemote control units . (2)(A70-1326-05): RC-KB2Battery cover (A09-1176-08)(A70-1336-18): RC-P0714Battery cover (A09-0374-08)To reset the registered contentsThe registered contents for title, music type, user file, best se-lection and DTS disc can be reset by the following proc

7、edure.Operation to resetThe microcomputer may malfunction (impossibility to operate,erroneous display, etc.) when the connection cords are un-plugged while power is ON or due to an external factor. In thiscase, execute the following method to reset the microcomputerand return it to normal condition.

8、Unplug the power cord from the power socket and plug thepower cord into the socket again.Unplug the power cord from the power socket, and whileholding the 7 key depressed, plug the power cord into thesocket again.CD-425M/4260M/4700M/DPF-J60302CONTENTS / ACCESSORIES / CAUTIONSEXTERNAL VIEWCONTENTS /

9、ACCESSORIES / CAUTIONS. 2EXTERNAL VIEW.2CIRCUIT DESCRIPTION.3ADJUSTMENT.8PC BOARD . 9SCHEMATIC DIAGRAM . 11EXPLODED VIEW .15PARTS LIST.17SPECIFICATIONS .Back coverContentsAccessoriesCautionsTIMER PLAYOFFONMULTIPLE COMPACT DISC PLAYERON/STANDBYDISPLAYDISC SKIP0PUSH OPENRANDOMCONFIRMREPEAT674 200 DISC

10、 LOADING WITH TWIN PICK UP MECHANISMSTANDBYFront glass(B10-2395-08)Front glass(B10-2396-18)Dressing panel (A21-3786-08)Knob (K29-6885-38)Dressing panel *(A21-)Panel (A29-1087-08)Knob (K29-6824-18)Panel (A60-1755-18)* Illustration is CD-425M/DPF-J6030.* Refer to parts list on page 17.RadioFans.CN 收音机

11、爱 好者资料库CD-425M/4260M/4700M/DPF-J60303CIRCUIT DESCRIPTIONIC2IC6CD MECHACXD2587QCLOCK35 CLOKS1_SW 56S1_SW(DSP)XLAT36 XLATS2_SW 28S2_SWDATA44 DATAS3_SW 27S3_SWSCLK33 SCLKD1_SW 58DISC_SW1SENS34 SENSD2_SW 57DISC_SW2SYSM45 MUTGSCOR46 SCORR_CW 24ROTARY+SQCO73 SQSIR_CCW 25ROTARY-SQCK75 SCK/SQCKLOAD_SW 55LOA

12、D_SWUNLOAD_SW 54UNLOAD_SWIC1367 SCK_SWLOAD_P 31LOADM+uPD780232GCCLKLOAD_M 30LOADM-(DOT DRIVER)SO72 SISI74 SOSTB71 STBRESET 43RESET INPUTREG_ON 29PERIPHERY IC ONTIMER_SWIC RESET 63PERIPHERY IC RESETuPD784217GF501TIMER PLAYON/OFFSERIAL COMMUNICATION 49 SBUSY50 SDATAREMOCOM INPUT48 REMPOWER KEY47 POWER

13、JOG 60 JOG_259 JOG_1DISC SENSOR ON/OFF23 PWMLASER ON/OFF32 LDCSPINDLE MOTOR ON/OFF26 MONDOOR OPEN/CLOSE70 DOOR_SWPROTECTION53 PROTECTIC10ANALOG MUTE10 RMUTE8491(AD0AD7)CY62128L-70SC(SRAM)7683,9298(A0A14)RD 5OEWR 6WECS 7CS1. Main Microprocessor : uPD784217GF501Microprocessor periphery block diagramPO

14、RTA/D 0(IC13,22pin)A/D 1(IC13,21pin)VOLTAGERESISTER2.9V5.1KRANDOMREPEAT2.0V3KDISPLAYCONFIRM1.2V2KSTOPDOWN0.4VSHORTPLAYUP2. Key matrixCD-425M/4260M/4700M/DPF-J60304CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1A16(1M)ONo used.2A17ONo connection.3SCLONo connection.4SDAI/ONo connection.5RDOSRAM read

15、 strobe.6WROSRAM write strobe7CEOChip selector8ASTB(CE)ONo connection.9VDD-Power supply(+5V).10RMUTEOAnalog muting signal output.11RWRRONo connection.12RWRINo connection.13RTRNINo connection.14-21L-D7-D0ONo connection.22VPP-GND.23+5VPWMODisc sensor ON/OFF. L:on 24R-M-CWOMechanism rotary motor(+). H:

16、CCW25R-M-CCWOMechanism rotary motor(-). H:CW26MONOControl port of poor focus works.27S3-SWIMechanism address detector switch.28S2-SWIMechanism address detector switch.29REG-ONOPower ON/OFF control.30LOADM- (IN2)OLoading motor(-) for main pickup.31LOADM+ (IN1)OLoading motor(+) for main pickup.32LDCOL

17、aser on/off. L: Laser diode on.33SCLKOSens serial data read clock.34SENSISENS signal input.35CLKOSerial data clock.36XLATOCXD2587Q latch. H L:latch37VDD-Power supply(+5V).38,39X1,2-Main system clock(12.5MHz).40VSS-GND.41XT2-No connection.42XT1IGND.43RESETISystem reset signal input.44DATAOSerial data

18、 output.45MUTEG(SYSTEM)OSystem muting control output.46SCORISub code synchro detection.47POWERIPower key input terminal.48REMIRemote control signal input.49SBUSYI/OSerial busy signal I/O.50SDATAI/OSerial data signal I/O.51AVDD-Power supply(+5V).52AVREF-A/D reference power supply.53PROTECTIDetection

19、signal input of protection.54UNLOAD-SW1IUnloading switch for main pickup.55LOAD-SW1ILoading switch for main pickup.56S1-SWIMechanism address detector switch.57DISC-SW2IDisc2 sensor input.58DISC-SWIDisc sensor.59JOG2IEncoder signal input.60JOG1IEncoder signal input.3. Microprocessor pin description (

20、X32, IC6) :UPD784217GF501Pin No.Pin NameI/ODescription61AVSS-GND.62LEDOSTANDBY LED control terminal.63ICRESETOIC reset.64AVREF1-D/A reference power supply.65RXD-232CINo connection.66TXD-232CONo connection.67SQCK/SCK-SWOSQCK,SCK(DOT/DSP clock) selector. L:DSP.68RXD-RINo connection.69TXD-RONo connecti

21、on.70DOOR-SWIDoor open/close detector switch.71STB1OStrobe signal output to dot driver.72S1OData output to dot driver.73SQS1ISub code read data input.74S0IData input from dot driver.75SCK/SQCKODot driver/sub code read clock.76-83A0A7OAddress output to SRAM.84-91D0-7I/OSRAM data bus.92-98A8A14OAddres

22、s output to SRAM.99A15(1M)ONo used.100VSS-GND.Pin No.Pin NameI/ODescription1VDD-Power supply(+5V)2VSS-GND.3,4X1,2-Main system clock.(5MHz).5VPP-GND.6RESETI System reset input.7SCKI Serial clock.8SII Data input.9SOOData output.10POW-P I/OTimer sw on input. .11LED-AONo used.12LED-BONo used.13STANDBY O

23、No used.14NC-No used.15STBI Strobe signal input.16REMI No used.17NC-No used.18AVSS-GND.19,20A/D3,A/D2-GND.21,22A/D1,A/D0I Key return signal input(1,0).23VSS-GND.24,25AVDD/VDD-Power supply(+5V)26NC-No connection.27-43P1-P17OFL control output. 1G(38),2G-16G(P1to P17).44-58P21-35OFL control output. 2G-

24、16G(P21to P35).59VDD-Power supply(+5V)60VLOAD-Negative power supply(-37.5V)61-63P18-P20OFL control output. 2G-16G(P18 to P20).64NC-No connection.65-721G-8GOFL control output.1G-8G.73-809G-16GOFL control output.9G-16G.4. FL Microprocessor : UPD 780232GC-012 (X32-IC13) Pin description5CIRCUIT DESCRIPT

25、IONCD-425M/4260M/4700M/DPF-J6030INPUT KEYPROCEDUREDISPLAYInsert the AC plug toINITIAL CONDITIONMECHA. INITIALthe wall outlet with Disc No.1 moves to the center.INITIAL OK!pressing the SKIP- Clear the memory of the SRAM.DOWN key. Door opens.INITIAL NG Set the switch of TIMER ON PLAY to ON.TIMER, NG S

26、et the switch of SYSTEM CONTROL to XS8.SER, NGInsert the AC plug toCIRCUIT ADJUSTMENTTEST ONthe wall outlet with Open the door and load the disc to the Disc No.1.pressing the REPEAT Close the door. The unit changes to test mode 05 .keyafter clamping the discPLAY/PAUSE Change the mode 05(tracking-on)

27、 and 03(tracking-off) alternately .05 XX:XX 03 XX:XXby the PLAY keySTOPStop the function.00UPThe pickup travels outwards.MOTOR FORWARDDOWNThe pickup travels inwards.MOTOR REVERSERANDOMShows the result of self-adjustment.07 EF/FB07 XXX:XXX08 TG/FG08 XXX:XXX09 FE/RF09 XXX:XXX10 TE/VC10 XXX:XXXMode cha

28、nges alternately by the RANDOM key.NG: blinkingREPEATPlayback PGM signal of the Track No.7,13,23,30,34 and 41 in the order. And release the test mode. CONFIRMRelease the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFFInsert the AC plug CHECK THE MECHANISM JAMMING. to the wall

29、 outlet with Clamp the Disc No1,2,100,50,200 and 199 in the order.pressing the UP key.Insert the AC plug THE MECHANISM TEST MODE. to the wall outlet with Display shows Niagara until pressing any keys.pressing theRANDOM key.PLAY/PAUSE Change the mode 05(tracking-on) and 03(tracking-off) alternately05

30、 XX:XX 03X:XXby the PLAY key.STOPStop the function.Shows the result of self-adjustment.07 EF/FB07 XXX:XXX08 TG/FG08 XXX:XXX09 FE/RF09 XXX:XXX10 TE/VC10 XXX:XXXMode changes alternately by the STOP key.NG: blinkingUPArm Motor Load operation.MOTOR LOADDOWNArm Motor Unload operation.MOTOR UNLOAD RANDOMR

31、otary Motor Clockwise turning.MOTOR CWDISPLAYRotary Motor Counterclockwise turning.MOTOR CCWREPEATPlayback PGM signal of the Track No.1,23 and 41in the order.And release the test mode. CONFIRMRelease the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFF5. Test mode6CIRCUIT DESC

32、RIPTIONCD-425M/4260M/4700M/DPF-J60307CD-425M/4260M/4700M/DPF-J6030CIRCUIT DESCRIPTIONDISPLAYERROR CONTENTSMECHA ERROR 01No input of S3. The original position error of Disc Number.MECHA ERROR 02No input of S2. The turning direction error to counterclockwiseMECHA ERROR 03No input of S1. The turning di

33、rection error to clockwiseMECHA ERROR 04No input of main load sw.MECHA ERROR 05No input of main unload sw.MECHA ERROR 08No backed up(AC power cord has disconnected).6. Error codeS1-3:Mechanism address detector switch.There are load and unload switches in the main pickup.S3S2SENSOR PCBS1 DISC 19S2 DI

34、SC 1099S3 DISC 100200S18CD-425M/4260M/4700M/DPF-J6030ADJUSTMENTNo.1ITEMFOCUS ERRORBIASINPUTSETTINGTest discType4/KTD-02OUTPUTSETTINGConnect an oscillo-scope as follows.CH1:RF (CN2-1)PLAYERSETTINGPress the PLAY/PAUSE key .Confirm that the display is 05.ALIGNMENTPOINTFE BIASVR1ALIGN FOROptimum eyepatt

35、ernFIG.(d)2LASER CURRENTCHECKTest discType4Connect the DC volt-meter to LASERCURRENT CHECKLAND on X32.Press the PLAY/PAUSE key tocheck that the dis-play is 03 or 05.-0.50.2VNote:Type 4 disc :SONY YEDS-18 Test Disc or equivalent.LPF : Around 47k + 390 pF or so.1. With pressing the REPEAT KEY, turn th

36、e power on to enter the test mode.2. Set the Test disc to Disc NO. 1.3. Close the door.RF signal in test mode (PLAY).Perform the tangential and focusing offset are focused intoone point on the display. The crossing points above andbelow the center shall also be looked clearly. (FE BIAS)RF signalFIG.

37、 (d)ACEGIBDFHJ2135746SERVO.DSP.CD-TEXT.DAC-DRIVERROTLYLCD-uCOMMAIN-uCOMSRAM(1M)SRAM(256K)232C-uCOMFL-uCOMRF-AMPL.P.F.2012815318011461014414C34C76R130R58C75R60C35C33R64R56R62R63R61R93C16C58C59C57R90R92R91R89R94L3L4C62C61R98R96R95R97C60C40R65C12R22R25C14R34R19R18C7C9R17C10C23R21R20R129R131R126C22R74R7

38、3R154R155R88R86C68C701(3)SCK(1)SI(8)GND(7)+5V(2)SOR118(4)VPP(5)RSTR119(6)X114041R24R26C24R149R156R124C71C73R120R121R127C67R110R108R109C64R104R103R102R105R116R117C92C9181C56R100R16R15R9R8R10R11R7R157120R33C21R70C42R23C11C13C8R29C20R52C30R46R50R54R44R49C29R45C27R39R37R41R4385R53R125C49C4R13LDCURRENT-C

39、HECKR51R101R107R106R30R77R78R76R80R79R71R1R6121401801614140C78R1526015C86R150R151C83C82C84C85R115R81R83R82R68R69R123C63R38R42C28R40R122R84C79C80R32R31R11420 21606180163020211001305150158510118060611R148R147R144R145R141R142R143R139R140R139R137R135R134R133C19C18C93C15R132R87R85R14R75R72R59R57R55R138R1

40、46161415173228IC2IC7IC8IC12IC6IC9IC10IC16IC15IC13IC1IC3TRGTGRRANDOM411DOWNUPREPEATDOOR-SWPOWERSTANDBY41RchLchuCOM-FSQCKuCOM-FA(JOG2)B(JOG1)NCC(GND)VPPFITITOFODOSOSIDI12.5MHz3.64MHz4ch-DRIVERuCOM-FuCOM-FuCOM-F3+7.5VMONSQCK/SCK-SWRXD-RTXD-RIC-RSTRXD-232CTXD-232CLMUTRMUTERMUTE+7.5VGND+7.5VGNDGNDRFGND+5

41、V-36VVCFETEVCTRO+TRO-FCO-FCO+REG-ON(F)-36VF1F2GNDDISC-SW1DISC-SW2VPPRSTSLT-SWGNDDISC-SW1DISC-SW2S1-SWLOAD-SWUNLOAD-SWE -ROMPOWER-ON-PLAY-SWOFFONPLAY/PAUSESTOPCONFIRMDISPLAYVPPX1GNDGNDREG-ON+7.5VGNDREMLEDuCOM-FF1U+5VU+5VGND+5V+7.5VuCOM-FSQSO+5VSQCK+5V+5VU+5VA15CE(CSRAM)RD(OE)WR8WE)SRAM+5VLCDU+5VGND+5

42、VSRAM+5VGND+7.5V+5V+7.5V+5VU+5V+5V+5VFE-BIASSCORVCRFVCEIVCGNDREG-BREG-OGNDu+5V+BGNDGND+5VGNDPD31DOUT+5VGNDGND+5VREG-ONPOW-ON-PPOWERERSTGNDRSTLOADM+GNDGNDX1SQCKSQSOGNDVPP+5VGNDSRAM+5V11.0592MHzRD-36V+5V+5V+5V+5V+5V+5V5MHz-36VGND+5VGND+5V+5VMDP+5VF1AGND+5V+5V+5VU+5VSBUSTSDATARMUTEPROTECT+B16.9344MHzVR

43、1W210W150W163W154C17C32C31C81C77C48C3C45C6C55C44C47C46C1C52C69C53C65C66C50C25C26C2C5C37C36R66L5C87C88W21C72C74W167W165W166L6W206L1W161W160W159W158W157W162W164W202W156W155W201W203W128C51W205W204W153W151W208W207W96W67W87W39W97W110W6W2W27W88W95W111W16W61W90W12W44W46W45W43W42W40W28W101W18W20W8W9W10W15W1

44、W11W7W5W13W14W4W3W17W34W36W37W38W86W31W32W53W59W49W33W35W68W116W70W100W64W55W71W115W113W112W114W109W117W119W118W123W127W120W125W108W41W126W99W98W103W102W121W107W106W25W105W47W29W80W82W83W84W89W91W93W94W92W78W69W65W75W52W50W58W30W22W26W23W19W54W62W73W76W79W85W66W60W77W56W74W81W57W63W72W152W122W124A16

45、W104W211W51W48DISC SKIPX4A/D2A/D1CP5CP2CP3CP1CP4X1X2X3C54C39C41P1X5165922323125556181921132113131216EBB EEBGOIOIG321161712451245181 21819211911012151671BBEEEEBBBEEEBBBSDGBEEBEBBEB EEEBBEBBEEBEBEBEB EEB120V230VQ7Q8Q12Q3Q4Q5Q6Q24Q23Q25Q26Q17Q16Q18Q22 Q21D14D17D16D15D10D24D23D25D34D33D18D19D22D9D4Q19D2

46、6D12D11D8D7Q14Q1S5S2S4S3S8S1S7S9S6IC14Q11Q15Q20D20D21D1D6D13D2S12E2WH1X32 C/5E1WH1WH4CN10A1S11E8S10WH2E3Q29Q28ED1X32 B/5D27D30D31D32D28D29X32 D/5J1L.P.FRF&DSPCN2FE-BuCOM-FCN3CN9CN1A2J2IC11uCOME7CN5CN4E5WH3IC4IC5L2Q10CN6Q9D3D5AVRCN7CN8S13J3X32 E/5J4E6WH3X32-3770-1X A/5 (J70-1360-21)WH2E4AUDIO(27Vrms)

47、OPTICALOUTPUTDIGITALSYSTEMCONTROLTEXTSL16220V110VRefer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)910ABDFHJCEGI2135746R21100KC110.4733KR200.1C231500PC14R243.3K10KR23C150.047R253.3KR19C9C8 470PC10 0.022R18R1715KC70.1C6 47u10+0.01C12R22 1M2826293031

48、3332454436353433L546R2947KC200.0110uHTRI-TRI+FCI+FCI-VR-OGNDVR-IFC-CTR-CVCFCO-RSTFCO+TRO-GNDTRO+151614131211910187563422517SM-CSMO-SMO+DMO+DMO-21191820MUTEVCVC23222432DIM-(100)REG-OREG-BDMI-(10K)SMI+SMI-262827DMI+302931GND33323031R31 360KR32 470K17181920121315142928220P26123456715KR11100R101009.1KR3

49、326330u6.3C51+1011EIEO47TEFE9VCVEE8FE-BIASFEAD(B)6B(D)5RFOC3RFELDPD2VCCLDON1131219161415171820R1347KC418PR144.7K321615141312111098712346515121314R6 220KR1 220K10R7100u10C1+VR122KR1510KR1610K220u6.3C2+C18C1956P56P100u10C17+10987654321171820194.7KR308079787776C25330u6.3+330u6.3C26+215437698IN2VCCOUT2N

50、CGNDVSOUT1VREFIN10.1C67545530314765232728564P-GNDS-GNDIN25OUT2IN13NCVCCNC2NCOUT117689102425230.1C68213.3KR11610KR117C28R38 10KC30R40 10KR42 10K150PR41C27R37R39C29150P10K 10K10K820PDM+DM-SLD+SLD-SLT-SW-SWUNLOADLOAD-SWSW-GNDLOADM+LOADM-S3-SWGND+5VPUL+5VS2-SWS1-SWDISC-SWROTALY M+ROTALY M-RFFE1FE2VCTE2T