Kenwood-CD4900M-cd-sm 维修电路原理图.pdf

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1、70%MULTIPLE COMPACT DISC PLAYERCD-4900M/DPF-J9030SERVICE MANUAL 2000-1/B51-5594-00 (K/K) 2738DISC SKIP$ ?&?PUSH OPEN)REPEATCONFIRMDISPLAYCONTINUROUS PLAYRANDOMOPERATIONTIMER PLAYDISPLAY|BOFFONSTANDBYPOWER ON/STANDBYDISPLAY|ABARLOUTPUTSYSTEMCONTROLSL16TEXTTEXTDIGITALOUTOPTICALABKnob(TIMER)(K29-7717-0

2、8)Front glass(B10-3557-08)Front glass(B10-3558-08)Front glass(B10-3559-08)Indicator(B12-0326-04)Dressing panel *(A21-)knob(K29-7716-08)Panel(A60-1752-18)Metallic cabinet(A01-3738-08)Phono jack(E63-0120-05)Miniature phone jack(E11-0360-05)Power cord bushing(J42-0083-05)Miniature phone jack(E11-0293-0

3、5)AC power cord *(E30-)* Refer to parts list on page 26.In compliance with Federal Regulations, following are repro-ductions of labels on, or inside the product relating to laserproduct safety. Please refer to the service manual CD-223M/DPF-J3010/CD-224M/DPF-J5010 (B51-5409-00) if need moreinformati

4、on. Refer to CD-2260M/2280M/DPF-J7010/J9010 service manu-al (B51-5416-00), if you require sub microprocessor (IC3:X25) in detail.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlockdefeated.AV

5、OID DIRECT EXPOSURE TO BEAMRadioFans.CN 收音机爱 好者资料库Audio (E30-0505-05)(E30-2816-05)(E30-2861-05)cord . (2)System control cord . (1)Batteries (R6/AA) . (2)Communication cord . (1)REMOTE CONTROL UNIT RC-KB2REMOTE CONTROL UNITRC-P0714TUVXYZW/.()MODESETSELECTORDISCDELETE/CLEARSPACECHARAC./CHECK/P.MODERAN

6、DOMSELECTONDISPLAYCONFIRMABCDEFGREPEATBESTPOWER324HJKLMNOPQRS17685+100+10097ENTER64?1?DISC SKIPDOWNUPCURSORCHARACTERDOWNUPLEFTRIGHTIRemote control units . (2)(A70-1326-05): RC-KB2Battery cover (A09-1176-08)(A70-1335-18): RC-P0713Battery cover (A09-0374-08)To reset the registered contentsThe register

7、ed contents for title, music type, user file and bestselection can be reset by the following procedure.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 th

8、iscase, execute the following method to reset the microcomputerand return it to normal condition.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 thesoc

9、ket again.CD-4900M/DPF-J90302CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2CIRCUIT DESCRIPTION.3ADJUSTMENT.8PC BOARD . 9SCHEMATIC DIAGRAM . 13EXPLODED VIEW .24PARTS LIST.26SPECIFICATIONS .Back coverContentsAccessoriesCautionsRadioFans.CN 收音机爱 好者资料库CD-4900M/DPF-J90303CIRCUIT DE

10、SCRIPTIONX32,IC2X32,IC8CD MECHACXD2587QCLOCK35 CLOKS1 SW 7S1 SWCDM-31(DSP)XLAT36 XLATS2 SW 4S2 SWDATA44 DATAS3 SW 3S3 SWSCLK33 SCLKD SENS1 23DISC SW1SENS34 SENSD SENS2 60DISC SW2SYSM45 MUTG+5V PUL 10D PWMSCOR46 SCORR CW 24ROTARY+SQCO73 SQSIR CCW 25ROTARY-SQCK75 SCK/SQCKLOAD SW 28LOAD SW1UNLOAD SW 29

11、UNLOAD SW1X32,IC1467 SCK SWLOAD M+26LOADM+1uPD780204CLKLOAD M-27LOADM-1(DOT DRIVER)SO72 SITIMER PLAYSI74 SOLOADM+2 63LOADM+2ON/OFFSTB71 STB1LOADM-2 62LOADM-27PLOAD SW2 58UNLOAD SW24P5P6PUNLOAD SW2 59DLE SW2uPD784217GF502ON/LED ALED BSTANDBYX32,IC15uPD780204CLKRESET 43RESET INPUT(DOT DRIVER)SIIC RESE

12、T 47PERIPHERY IC RESETSTB46 STB2JOG 55 JOG 2X32,IC1056 JOG 11421D0D7LASER ON/OFF70 LDC(D7D0)uPD17215GT-737ANALOG MUTE48 SYSMSPINDLE MOTOR ON/OFF31 MONRWRREQ 13RWRREQRTREN 11RTREN8.16BIT54 8,16RWR 12RWRMODEL DISCRIMINATION 53 A/D0X32,IC98491(D0D7)A1 SWA2 SW1,7683,9299(A0A16)(SRAM)P1P2RD 5OEuPD780024R

13、XD069 TXD1WR 6WE(SUB uCOM)TXD068 RXD1CS 7CSASTB 8LETX OUT65 TXD2SDATA 49SERIAL COMMUNICATIONRECEIVER66 RXD2SBUSY 501. Main microprocessor : uPD784217GF502 (X32, IC8)1-1 Microprocessor periphery block diagramCD-4900M/DPF-J90304CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1A2OAddress bus of SRAM.2N

14、C-No connection.3S3-SWIMechanism address detector switch.4S2-SWIMechanism address detector switch.5RDOSRAM read strobe.6WROSRAM write strobe7S1-SWIMechanism address detector switch.8ASTBONo connection.9VDD-Power supply(+5V).10+5VPULODisc sensor ON/OFF. L:on 11RTRNITX permission data to remote contro

15、l microprocessor.12RWRIReading data of remote control microprocessor.13RWRROTX request data to remote control microprocessor.1421L-D7-D0OData output to remote control microprocessor.22TEST-GND.23DISC-SWIDisc sensor.24ROTARY-CWOMechanism rotary motor(+). H:CCW25ROTRAY-CCWOMechanism rotary motor(-). H

16、:CW26LOADM+1OLoading motor(+) for main pickup.27LOADM-1OLoading motor(-) for main pickup.28LOAD-SW1ILoading switch for main pickup.29UNLOAD-SW1IUnloading switch for main pickup.30CSOChip selector31MONOControl port of poor focus works.32SCLKOSens serial data read clock.33SENSISENS signal input.34CLOC

17、KOSerial data clock.35XLATOCXD2587Q latch. H L:latch36DATAOSerial data output.37VDD-Power supply(+5V).38,39X1,2-Main system clock(12.5MHz).40VSS-GND.41XT2-No connection.42XT1IGND.43RESETISystem reset signal input.44SCORISub code synchro detection.45MUTEGOMuting control output. H:muting on.46STB2OStr

18、obe signal output to dot driver.47ICRESETOIC reset.48SYSMOAnalog muting. L: Muting on.49SDATAI/OSerial data signal I/O.50SBUSYI/OSerial busy signal I/O.51AVDD-Power supply(+5V).52AVREF-A/D reference power supply.53A/D0IModel discrimination.548/16I8/16 bit selector. H:16bit.55JOG2IEncoder signal A in

19、put.1-2 Microprocessor pin description (X32, IC8): UPD784217GF502CD-4900M/DPF-J90305CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription56JOG1IEncoder signal B input.57DOOR-SWIDoor open/close detector switch.58LOAD-SW2ILoad switch2 for sub pickup.59UNLOAD-SW2IUnload switch2 for sub pickup.60DISC-SW2IDis

20、c2 sensor.61VSS-GND.62LOADM-2OLoad motor(-) for sub pickup.63LOADM+2OLoad motor(+) for sub pickup.64AVREF1-D/A reference power supply.65RXD2IUART communication input.66TXD2OUART communication output.67SQCK/SCK-SWOSQCK,SCK(DOT/DSP clock) selector. L:DSP.68RXD1IUART communication input from sub u-com.

21、69TXD1OUART communication output to sub u-com.70LDCOLaser on/off. L: Laser diode on.71STB1OStrobe signal output to dot driver.72SIIData input from dot driver.73SQS1ISub code read data input.74SOOData output to dot driver.75SCK/SQCKODot driver/sub code read clock.76-83A16,14,12,7-3OAddress output to

22、SRAM.8491D0-7I/OSRAM data bus.9299A10,A15,A13,A8,OAddress output to SRAM.A9,A11,A0,A1100VSS-GND.VOLTAGEA/D0(33)A/D1(32)A/D2(31)4.1V-OPERATION3.3V-RANDOM2.5V-CONFIRM1.6V-REPEATCONT.P0.8VDOWNDISP.PLAY/PAUSE0VUPPOWERSTOP1-3 Key matrix ( ) : IC14 Pin No.CD-4900M/DPF-J90306CIRCUIT DESCRIPTIONINPUT KEYPRO

23、CEDUREDISPLAYInsert 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 NGInsert the AC plug toCIRCUIT ADJUSTMENTTEST ONt

24、he 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 keymode05 after clamping the disc.PLAY/PAUSE Change the mode 05(tracking-on) and 05 XX:XX 03 XX:XX03(tracking-off) alternately by the PLAY key.STOPStop the function.00UPT

25、he 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 changes alternately by the RANDOM key.NG: blinkingREPEATPlayback PGM signal of the Track No.7,13,

26、23,30,34 and 41in the order. And release the test mode. CONFIRMRelease the test mode.(TIMER PLAY SW)Check the switch position.TIMER ON , TIMER OFFOPERATION A/BChange the mechanism A and B.Insert the AC plug toCHECK THE MECHANISM JAMMING. the wall outlet with Clamp the Disc No1,2,100,50,200 and 199 i

27、n the order.pressing the UP key.Insert the AC plug to THE MECHANISM TEST MODE. the wall outlet with Display shows Niagara until pressing any keys.pressing theRANDOM key.PLAY/PAUSE Change the mode 05(tracking-on) and 05 XX:XX 03X:XX03(tracking-off) alternately by the PLAY key.STOPStop the function.Sh

28、ows 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 RANDOMRotary Motor Clockwise turning.MOTOR CWDISPLAYRotary M

29、otor Counterclockwise turning.MOTOR CCWREPEATPlayback 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.OPERATION A/BChange the mechanism A and B.2. Test modeCD-4900M/DPF-J90307CIRCUIT DESCRIPTIONDISPLAYERROR CONTENTSMECHA ERROR 01No

30、 input of S3. The original position error of Disc Number.MECHA ERROR 02No input of S2. The turning direction error to counterclockwise.MECHA ERROR 03No input of S1. The turning direction error to clockwise.MECHA ERROR 04No input of main load sw.MECHA ERROR 05No input of main unload sw.MECHA ERROR 06

31、No input of sub load sw.MECHA ERROR 07No input of sub unload sw.MECHA ERROR 08No backed up(AC power cord has disconnected).3. Error codeS1-3: Mechanism address detector switch.There are load and unload switches in the main pickup.S3S2SENSOR PCBS1 DISC 19S2 DISC 1099S3 DISC 100200S1CD-4900M/DPF-J9030

32、8ADJUSTMENTNo.1ITEMFOCUS ERRORBIASINPUTSETTINGTest discType4/KTD-02OUTPUTSETTINGConnect an oscillo-scope as follows.CH1:RF(X25, CN2-1X32, CN2-1)PLAYERSETTINGPress the PLAY/PAUSE key .Confirm that the display is 05.ALIGNMENTPOINTFE BIASVR1(X25, X32)ALIGN FOROptimum eyepatternFIG.(d)2LASER CURRENTCHEC

33、KTest discType4Connect the DC volt-meter between Q1(E)and VCC(CN1, 15pin)on X25 and X32.Press the PLAY/PAUSE key .Confirm that the display 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 the power on to e

34、nter 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. (d)9ACEBD21357

35、46Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)SUB-CIRCUIT UNIT11116483364491732416020140EB201171521011216180816X25-6060-12?10FGIHJ2135746PC BOARD (Component side view)CD PLAYER UNITIC13IC7IC2IC1IC8Q24Q23IC9IC10IC11R31C6C70C69R109R147C23R4R3C

36、4R2R5R1R6R14R12R13C24R30C78C79R29C9C10C80C8R7R180R142R95R23C16C15R25R24R17R18R19C22C12C13R22R21R20C14C95R179C96101654518C11R26R15R10R11R16C157R107R106R205C59R102C30C158C20C19R34R90R204R32R35C43R36C66R103R104C29R41R39C27R43R38R27C28R44R42R40C21R28R91R92R108R93C99R140R141R94R99R100R144R33R101R98R97R96

37、R143R8R9110112060618012021404131308081515010011714815281411732161EBE BD33D38Q35D39D1D2D32Q26Q1CN13CN15CN11CN3Q27D3D31D30IC12IC16CN4Q25CN5CN1CN2CN6D5D4X32-3502-74 A/8LOADM-1GND+5V+5VS.SFE-BIASVCVCFE2RFFE1TE2TE1CSGND+5VGND+5V+5VGND+5VGND+7.5VFCS-+5VGNDFF-40V+7.5V+5VGNDSQCKRSTSQSISTB2LCDuCOM-FRSTuCOM-F

38、VPP+5VMON+5VDOUTuCOM-F+5VuCOM-F+5VSISQSIFGNDGNDGND+5VGNDF+5VGND+5VGNDSCORRESETRD OE+5VGND+5VSOSTB1GNDSLT-SWGNDRF+5VBTL LOAD4ch-BTLTRK FCSDMSLDRESET+5VVCGNDGND+5VVC16.9344MHzLCDGND-SRAM+5V-SRAM+7.5V+5V-SRAM+5VGNDTXD-RRXD-RGNDSQCK/SCK-SW+5VCSWR WEGND+5V+5V+7.5VGNDRF+7.5VC156L5W64C17W97W96W116W111W93W9

39、0W141W98W62W43W118W63W56W14W122W105W86W119W115W117W123W16W34W66W85W73W67W32W15W17W100W53W45W20W21W91W22W23W46W47W30W29W38W26W42W70W36W24W54W39W69W52W125W127W126W121W131W132W133W129W79W81W83W88W92W101W106W82W74W142W57W28W18W19W35W40W68W37W59W55W27W139W49W89W84W80W77W61W138W72W112W114W76W99W50W128W120

40、W48C101C102W103W1403.4MHzFE-B12.5MHzC3C7C54C67C18C68C1C55C56C26C2C25C58C5C53L1X1TESTVR1X2C57X3SQCK/SCK-SW91116173218121101611711211711415BEBEEBBEBERefer to the schematic diagram for the value of resistors and capacitors.?KMOQSLNPRT2135746Q11IC6IC4IC19IC5IC20IC15IC3Q12Q14Q13IC14C140C141C142R183C144R5

41、9R55R181R56R60R182R184R207R208R187R52C92R48R51R71R75R72R76C91R47R188R166C88R186R158R165R63R185C87R67R64R157R68R194R193R192C64R53R50C35C36R134R162C90R46R49R82R69R73R70C74R74R161R139R77R80C89R45R54R79C60R115R164C62C37R160 C86R58R156C38R163R61R57C85R65R62R159R155R66R119R78C41L3R211R148C65R117R150R118C6

42、3L2R167R168R111R113R110R112R114R81C61R154R153R152R151C108C107C39C40C42R169R170C82C81R116R209C84C155R210R1491854854145184518B E45184158B EE BB E81 80515031301100R132R131R120R121C94R172R171R135C93R136R124R146R145R122R130R105R129C124C125R190C126R191R18910018081C72313050C9851R123R126R133R127R128C143C109

43、C75R89R88R87C51R85R203C48R86R83R201R199R138R174R137R196R195R197R198R173R202R176R177R178R175R200C83Q39D13Q17Q18Q40Q37Q15S1S13ED2Q32Q16Q38Q31Q9Q30Q29D34D35Q8Q7D11D10D6D7Q33Q34WH9J4J3S15E3J1D8CN14CN16D9J5WH5E2E12Q10WH5S7S2D15D14Q5E9WH6ED1S14Q6S12S8S3S9S4E1WH10S10S11S6S5E4CN7A1Q21Q19CN9WH8WH7D26CN12D27D

44、28D20Q22D22D29D21D23D25D24Q20D37D18D17D16D19D3WH6E10E11WH9WH8S17WH7TEXTCONTROLSYSTEMXS8SL16OUTPUTX32 G/8X32 H/8OPTICALOUTPOWERX32-3500-10 B/8X32 D/8X32 C/8X32 E/8X32 F/8TRGTGRON STANDBY+7.5VLchRchLchRchGND+7.5V+5V+5V+5V+5VGNDAM25AM15AM20GND+5V+5VAM1AM5AM10AM30AM35STB2+5V+5VGNDGND+5V+5V9010 ONLY+7.5V

45、7010 ONLY7010 ONLYF9010ONLYS-GND7010 ONLY113168bitC33W412W405C34W213W210C154C31W214C152C32W410W411W409W408W407X5C73W207W209W205W208W206W204C103C106C104C105W201W203W202W303W302C151W404W301W406W215W413W414W211C153W212C301SGNDBUSYSDATAGNDW8W9W2W10W1W12W6W5W11W4W3W75MHzONCP6CP3CP4VloadVloadOFFVloadVload

46、9010 ONLYP116211416BBEEBBEEBEB EBEBEEBEBBBEEBEEBEBEBBBEE31RANDOMDISPLAYOPERATION1W41GNDW44LED-S13SUBW25FFMAINFW33LCDW401C76SCKW403W402SOSIB+7.5V131W31EEBW60W137CGNDW104DISPLAYCONTINIOUS-PCP2REPEATW71+5VDISC SKIPABNC+5VW65CP5AM35AM30AM25AM20DOOR-SWCONFIRMW75LCDAM15VloadCP1W94AM10AM5+5VW51+5V5MHzX4W58

47、W78STB1W95W102+5VC7117SCKW87PLAY/PAUSEDOWNW136W124GND+7.5VSTOPVloadW113VloadAM1W143W135W134A/D1A/D2W130A/D0UPW110W109F62FVloadREMW107W108GND+5V1VCCGNDREMC5221-40B-40BC46FFC45NC+B+B115V230VT.F0VC4451W13GNDC49BEBEC47S G DR84C50L4BEP21313A2C77Refer to the schematic diagram for the value of resistors an

48、d capacitors.PC BOARD(Component side view)CD PLAYER UNIT1112ABDFHJCEGI2135746R21100KC120.4733KR200.1C221500PC15R243.3K10KR23C160.047R253.3KR19C10C9 470PC11 0.1R18R1715KC80.1C7 47u4+0.01C13R22 1M28262930313332732483635343332L544R2847KC210.0110uHTRI-TRI+FCI+FCI-VR-OGNDVR-IFC-CTR-CVCFCO-RSTFCO+TRO-GNDT

49、RO+151614131211910187563422517SM-CSMO-SMO+DMO+DMO-21191820MUTEVCVC23222432DMI-(100)REG-OREG-BDMI-(10K)SMI+SMI-262827DMI+302931GND30313332R30R2917181920121315142928220PR34100K31123456715KR11100R10100C240.0334.7KR322610u50C54+330u6.3C53+R90 4.7K1011NCNC47EIVRVC9EOE8TEFEVEEF6FE-BIASPD25RFOPD13RFILDPD2V

50、CCLDON1131219161415171820R915K27KR8R13R1220K5.6KC427PR1418K701234567891016151413111212151413R2 68KR3 68KR5 68KR6 220K220KR710L110uH100u6.3C1+47u4+VR122KR1510KR1610K220u6.3C2+R2633010987654321171820194.7KR144215437698IN2VCCOUT2NCGNDVSOUT1VREFIN10.1C6929282627365412474P-GNDS-GNDIN25OUT2IN13NCVCCNC2NCO