Kenwood-DPC885-dm-sm 维修电路原理图.pdf

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1、PORTABLE CD PLAYERDPC-885SERVICE MANUAL 1997-9/B51-5352-00 (K/K) 3447Front glass(B10-2397-04)Holder(J19-5841-03)Cap(F09-0133-04)Electric circuit module(W02-2527-05)Cover *(F07-)Miniature phone jack(E11-0278-05)Cap(F09-0132-04)Packing(G53-0073-04)Miniature phone jack(E11-0371-05) Format System.Compac

2、t disc digital audio systemLaser .Semiconductor laser Audio Frequency response.20 Hz 20 kHz, 3 dBHeadphone output (16 , 1 kHz).10 mW + 10 mW(Headphone output level / impedance.max. 450 mV / 2.2 )For CHINA and Duty Free Shop in JAPANDigital output optical.-21 dBm -15 dBm (wave length 660 nm)For other

3、 countriesLINE output level/impedance.550 mV/702 Power supply External DC supply.DC 4.5 6 VRechargeable batteries (NB - 130) x 2.DC 2.4 VCommercially-available alkaline batteries (LR6/AA) x 2.DC 3 VBattery life (continuous repeat playback)(Figures inside parentheses are the values when D.A.S.C. is O

4、N.)Commercially-available alkaline batteries (LR6/AA) x 2 .Approx. 17.5 (15) hoursRechargeable batteries (NB-130) x 2.Approx. 9.0 (8.0) hoursDimensions (W x H x D).132mm x 32mm x 153mm (5 - 3/16 x 1 - 1/4 x 6)Weight (net).270 g (9.5 oz.)SPECIFICATIONS1. KENWOOD follows a policy of continuous advance

5、ments in development. For this reason specifications may be changed withoutnotice.2. Sufficient performance may not be exhibited at extremely cold locations (where water freezes.).NotesNotesIllustration is K type.* Refer to parts list on page 17.In compliance with Federal Regulations, following arer

6、eproductions of labels on, or inside the product relating to laserproduct safety.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAMCOVER/CIR/EXP-INT 98

7、.4.24 2:57 PM yW 1RadioFans.CN 收音机爱 好者资料库DPC-8852CONTENTS/ACCESSORIESStereo headphone.(1)(W01-0923-05) : M2Stereo headphone.(1)(W01-0940-05) : KPMTEXAC plug adapter.(1)(E03-0115-05) : M,M2Rechargeable battery .(2)(W09-1237-05)Remote control.(1)(A70-1163-05) : MX(A70-1164-05) : KPETAC adapter.(1)(W08

8、-0658-05) : E(W08-0659-05) : T(W08-0660-05) : X(W08-0667-05) : M(W09-1251-05) : KPCarrying case.(1)(W01-0939-05)SPECIFICATIONS .Top coverCONTENTS/ACCESSORIES .2CIRCUIT DESCRIPTION.3ADJUSTMENT.6PC BOARD . 7SCHEMATIC DIAGRAM . 9EXPLODED VIEW .15PARTS LIST.17AccessoriesCONTENTSCOVER/CIR/EXP-INT 98.4.24

9、 2:57 PM yW 2RadioFans.CN 收音机爱 好者资料库DPC-8853CIRCUIT DESCRIPTION2.802.801.971.731.491.210.890.600.00KEY OFFDOWNB.BOOSTUPSTOPPLAYKEY OFFMKEYVV2.802.001.601.200.800.00KEY OFFREPEATP.MODEDASCKEY OFFMKEYV2.801.971.731.491.210.890.600.00KEY OFFDOWNB.BOOSTUPSTOPPLAYKEY OFFMKEYVBATT1.751.411.130.00OK TO CHA

10、RGEFLASH CHARGE INDICATORAUTO POWER-OFF(IC3, 28Pin)UNIT KEYS(1)UNIT KEYS(2)LCD H/P REMOCON KEYSBATTERY VOLTAGE(IC3, 29Pin)(IC3, 33Pin)IC3 (31pin, 32Pin)CD-ASP CD-DSP+1bitDACuPD78063GF-138LCD+A/D KEYLCD KSM542DBACXA1982QCXD3009QRL5C3568MD-RAM u-COMCOM X 4SEG X 13A/D KEYDISPLAYFOKIC 6IC 2IC 1IC 3AUDIO

11、 LINE1234567TRAVERSE UNITCONTROLREMOCONSENSORAUDIO OUTPUTSHOCK PROOFMECHA. DRIVER LINE1. Main microprocessor : PD78063GF-138 (X32-, IC3)1-1 Microprocessor periphery block diagram1-2 A/D converterCOVER/CIR/EXP-INT 98.4.24 2:57 PM yW 3DPC-8854CIRCUIT DESCRIPTION1-3 Pin description microprocessor : PD7

12、8063GF-138 (X32-, IC3)Pin No.NameI/OFunction1NCINot used2SQCKOClock output for Q-data input of CXD3009Q3SDTOODATA input to RL5C3564SDTIODATA output to RL5C3565SCKOCLOCK output to RL5C3566ICConnected to VSS7,8X2,1Connected to oscillator (5.00MHz)9VDDPower supply10XT1Connected to GND11XT2Not used12RES

13、ETIMicroprocessor reset13SCORIInterruption of fall edge of SCOR14RCIIRemote control input15NCNot used16FOKIFocus clock detection terminal (CXA 1982Q)17GFSNot used18HDATAOOutput terminal for LCD remocon display19B.BOFor bass boost control20SGAINNot used21CHDTIData comparator monitor input for RL5C356

14、22XSOEOSerial data output permission signal for RL5C35623,24NCNot used25DEFECTOMirror bottom-hold-enable26NCNot used27AVSSConnected to GND30VOLIVolume level input of main unit28,29KEY1,KEY2IKey input from main unit or wired remote control31,32BATTV1,2IDetection of voltage level on rechargeable batte

15、ry33HP KEYIHP Key input terminal for display34NCNot used35ADONOA/D converter on/off36AVDDAnalog power supply for A/D converter37AVREFReference voltage input for A/D converter38SLTSWIStart limit switch of pickup39DCDC ONODC/DC converter control (H:ON, L:OFF)40VSSGND41ADPTIAdaptor detection (H:OFF, L:

16、ON)42CHRGOKIVoltage level of rechargeable battery detection (H:NG, L:OK)43CHRGOCharge power supply44XRSTOIC reset output terminal (CXA1982Q, CXD3009Q, RL5C356)45DMUTEOMotor drive mute output terminal46RMUTEOAnalog mute output47TESTIFor test mode48NCNot used49PSWOHeadphone amp control50HPMUTEOMute ou

17、tput terminal for LCD remocon5154COM0-3OCommon signal output for display55BIASOBias input for display56-58VLC0-2OExternal resistor connected to power supply for dividing display59VSSGND6074S0S14OSegments signal output for display7583NCNot used84LEDOPower supply ON/OFF for optical output85SHOCKOShock

18、 proof on/off (CXD3009Q) D.A.S.C. ON : L86XLATOLATCH output to CXD3009Q87CLKOCLOCK output to CXD3009Q88DATAODATA output to CXD3009Q89SENSISENS input from CXD3009Q90PLUGIRemocon data input terminalCOVER/CIR/EXP-INT 98.4.24 2:57 PM yW 4DPC-8855CIRCUIT DESCRIPTIONPin No.NameI/OFunction91LINEILine out d

19、etection terminal92HOLDIHOLD switch on/off93LDOLaser diode output terminal94LIDSWICover open detection switch95XWIHOWrite permission signal output for RL5C35696XEMPIRead prohibition signal input for RL5C35697XWREIWrite prohibition signal input for RL5C35698XQOKOCD sub code Q OK signal output for RL5

20、C35699XLTOLATCH output to RL5C356100SQSOICDQ code data input from CXD 3009Q2. Test Mode2-1 Setting the test modeThis model can be set to the test mode by shortingthe test-land of the X32 board.STARTTurn on lidswitchIs test landshorted?Test modeprocessingIs key pushed?Track No. 01is displayed.TEST MO

21、DEYESNONOSee following table.Normal operationNo.ModeKey NameFunctionTRACK No. display105PLAY/PAUSE(6)1. Focus servo.ON 2. Tracking servo.ON 3. Feed servo.ONAbsolute time at position of limit SW is displayed in time area, then play is started.05After 1, 2 and 3 arefinished, track No.played currently

22、and itsplay time are indicated.203UP()1. Focus servo.ON 2. Tracking servo.OFF 3. Feed servo .OFF03301STOP(7)1. Focus servo.OFF 2. Tracking servo.OFF 3. Feed servo .OFF Test mode can be can celled while pressing the STOP (7) Key in 01 mode.014While pressing theP. MODE/SEARCH Key, turn the AC ONAll LC

23、D is turned ON for 2 seconds. All LCD is turned OFF for 2 seconds. Returned to normal mode.2-2 Key and functions avild in test modeCOVER/CIR/EXP-INT 98.4.24 2:57 PM yW 5DPC-8856ADJUSTMENTNo.21LASERPOWERApply the sensor section of optical power meter onthe pickup lens.Short the test land. Confirmthat

24、 the display is .Press FF Key and confirmthat the display is 03.On the power from0.08 to 0.15 mW, when the diffractiongrating is correctlyaligned with the RFlevel of 1.0 Vp-p ormore.345ITEMFOCUSERRORTRACKINGERRORFOCUSGAINTRACKINGGAININPUTSETTINGTest discKTD-03Test discKTD-03Test discKTD-03 Applysign

25、al of1.0kHz,0.05VrmsbetweenCheck-landFE1 and FE2.Test discKTD-03 Applysignal of1.0kHz,0.05VrmsbetweenCheck-landTE1 and TE2.OUTPUTSETTINGConnect anoscilloscope asfollows.CH1:RF(Check-land RF)CH2:TE1Press the FF key.Confirm that the display is .Connect a LPFbetween Check-land FE1 and FE2to which conne

26、ct anoscilloscope or ACvoltmeters.Connect a LPFbetween Check-land TE1 and TE2to which connect anoscilloscope or ACvoltmeters.Connect anoscilloscope asfollows.CH1:RF (Check-land RF)CH2:TE1 PLAYERSETTINGPress the PLAY key .Confirm that the display is05.Press the PLAY key .Confirm that the display is05

27、.Press the PLAY key .Confirm that the display is05.ALIGNMENTPOINTTEBALANCEVR5FOCUSGAINVR4TRACKINGGAINVR6FE BALANCEVR3ALIGN FOROptimum eye patternSymmetry betweenupper and lowerTwo VTVMs shouldread the samevalue.Two VTVMs shouldread the samevalue.FIG.(d)(e)L.P.FL.P.FFE1FE2AC voltmeterGND1.0kHz0.05Vrm

28、sL.P.FL.P.FTE1TE2AC voltmeterGND1.0kHz0.05VrmsTESTRFVR3FBT.BVR5VR6VR4VCTGFGTE2FE2FE1TE1Note: Test DISC KTD-03, TCD-783 or equivalentLPF : Around 47k + 390 pF or so.Step 15 are in Test Mode.(d) Focus GainTwo VTVMs should read the samevalue.(e) Tracking GainTwo VTVMs should read the samevalue.Check-la

29、nds andalignment pointCOVER/CIR/EXP-INT 98.4.24 2:57 PM yW 6ACEGIBDFHJ2135746PC BOARD(Component side view)PC BOARD(Foil side view)78(X32-3350-01): M2 (X32-3350-10): KPET(X32-3350-21): MX(X32-3350-01): M2 (X32-3350-10): KPET(X32-3350-21): MXRefer to the schematic diagram for the value of resistors an

30、d capacitors.DPC-885(K) PCB/SD( 98.3.20 4:43 PM y W 1ABDFHJCEGI2135746A DCBMFEMMECHA ASSY(D40-1565-05):KSM-542DBA(X32-3350-XX)IC1IC2CONTROLSTEP DRIVE(FOK L)CONTROLSLED GAINQ21(DEFECT DET.)COMPARATORDEFECTDET.SPINDLE GAINCHANGE-OVER(NOR./HI SPEED)D.S.PD5D3Q20D15D140N/OFFAPCCN2BCCOILFOS.COILTRK.LD(2/2

31、)IC10PDLDABCN1CN6CN3CAD13Q11E1FBDIODELASERQ17DET.RF/SERVODEFECT(1/2)IC10Q15TE2TE1VCFE1FE2Q16TGTBQ13Q14D12FG3.1V2.5V0.8V2.7V1.1V1.1V1.1V1.2V1.1V1.1V1.1V0V0V2.6V2.7V2.6V1.3V1.2V1.4V1.3V1.3V1.4V1.3V1.3V1.3V0.3V1.3V2.6V1.3V1.2V1.3V1.2V1.7V0V0V2.6V1.4V2.6V2.7V1.4V1.4V1.1V1.5V1.6V0.6V1.2V2.7V2.5V2.6V2.5V0

32、V2.7V0V0V2.7V0V2.7V2.5V2.6V2.5V1.2V1.6V1.4V1.4V0.7V1.0V1.4V1.4V1.4V1.4V1.3V1.4V1.4V1.4V1.4V1.4V0V2.7V0V2.7V2.6V2.6V2.6V1.3V0V2.9V1.4V1.4V1.4V1.4V1.4V1.4V1.6V1.4V1.4V2.7V1.4V1.4V(BATTERY)5.5V2.9V2.7V5.0V1.4V2.7V0.8V0.6V1.4V1.8V1.4V2.0V2.2V0.2V1.4V1.4V+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B560R21716.9344

33、MHzIC10(2/2)Q21R2136.8K330KR216MDP40Q17 R214 18KR11922K+47u4C114R215470R211470130R337C2POC4M+BIC10(1/2)Q15,16R45227K+B+B+B+5V0.1C6C20.1+B+B+B+B+BL422R204C213+B+BR21222C201+47u4R20139+B+BSYSM12P22KR23R2054.7K0.033R10847KR118 180K1.6KR11634-+76538+B+B+BR14422KR1421.3MR136R135R141R1434.7K390KR117L11+B+

34、B100K82K220P1514FCS(-)FCS(+)121110FA/LTRK(-)987LDVCCVC+A/LSHORT LANDVCCPD1PD2VC6GNDVRPD451PD1PD22E3+B+BC211100P330R21849473915K330KSLD. MOTOR1LMT. SW1X313TRK(+)-2+SPD. MOTOR+212-SPDL+SPDL-SLED+SLED-R2061MR120 1M C120 150PSLTSWGND41404025272931SPDL+SPDL-SLED+GNDSLTSWSLED-12212191R129567975133FCS+FCS-

35、TRK-TRK+ALFVCVCCLDGNDVRPDEPD1PD2132541514131211109876VR322K10KR12710KR130R131 24KR1284.7+C12647u4R132 24KC116 0.047C117 0.01C118 4700PC119 0.01R1142.2KR1154.7KR11322KC12133PR137100K1412131110R121100KC115 0.01+C2622u4C1130.01R110C112 1R109220KVR4 22KC108R104C107 0.01R103 510KC106C104 0.1R138R107+C105

36、4.7u6.3R101 100C102 0.47C101 220PR102 56KC103 220PC110148320.1+-C125R134 1MR123 1MVR522K22KVR6180KR106100C1290.1 1.8M6.8KR122R12512KR12410KR12610KR133 1M180K0.1C122+C12722u4R140 C1230.02225TAMFOK1226FSETCC21127TG2CC11028TGUCB929SRCHCP830FEMRFI731FEORFO632FLBRFM533FGDLD434FDFCTPHD335FEIPHD1224SENSFE.

37、B3723C.OUTF3822XRSTE3921DATAEI4020XLTVEE4119CLKTEO4218VCCNC4317ISETTEI4416SLOATSC4515SLMTZC4614SLPTDFCT47361FEOPHD24813TAOVC28988871110861214131005713854443424110K220PC22311KR223R221C21412PR222 10K C224 220PR224 11K+C20247u4C2100.01430KR2101.5KC2030.0470.47C207R209 1M7651310uH+C12822u10 C206 220PC20

38、53300P100KC2041500P+C20922u4R2073.3KR20810KC2080.15R202R203VDD61ZLRCK39AVSS62YLRCK38AVDD63AOUT164ASY037AIN165ASYI36LOUT166BIAS35AVSS67RF34XVDD68AVDD33XTAI69CLTV32XTAO70AVSS31XVSS71FILI30AVSS72FILO29LOUT273PCO28AIN274VCTL27AOUT275V16M26AVDD76VCKI25AVSS77VPCO24VDD78TES12379TEST221VSS602VSSLMUT593EXCKR

39、NUT58SBSO57SCOR564WFCKSQCK555EMPHISQSO546EMPHSENS537DATA8DOUTXLAT5243YBCK42ZDATA8021XRSTPWMI41YDATA9CLOK5110XTSLSEIN11CNIN12DATO13XLTO14CLKO15SPOA504916XROFSPOB4817XPCKXLON4718RFCKFOX4619VDDVDD4520VSSVSS44ZBCKR112 220KR11151KC4521R4533.3K510K82K0.022R139X()()()()()()()()()()()()()()()()()()()()()()(

40、)()()()()()()()()()()()()PCB/SD-INT 98.4.24 3:01 PM y W 2TKMOQSLNPRIC11IC12IC7IC13IC3IC5(1/2)IC9(2/2)IC9CHARGE)SWITCHPULSECONTROL(NO USED)OPE AMPLIMITTERQ34AC ADAPTORDET.Q6Q40D11HOLDSWQ1Q5D1LIMITTERS3(PULSECHARGEQ44Q4D8D9D7VOLUMED2D25Q47Q18+2.9VAVR)(CONVERTERDC-DCSWITCHDC-DCCONVERTERD26Q9D6Q38Q8Q10Q

41、3SWB.BOOSTON/OFFPOWER SUPPLYOPTICAL OUTQ37DET.BATTERY2.9V AVR RESET ICPROTECTIONQ7D24u-COMQ32Q2MOTORDRIVERLID SWS20V5.7V0V0V0V0V0V5.7V2.7V0V3.3V1.4V2.7V2.7V2.7V0V0V2.7V0V0V2.6V2.7V2.7V2.7V2.9V5.6VBATT.2.3VACADP.5.0VBATT.2.6V5.7V0.1V0.2V0.1V0V0V0.1V0.8V1.3V1.4V0.8V1.4V1.4V1.4V1.6V1.3V2.4V0V0V0V0V0.3V

42、0.2V0.9V2.1V1.6V2.3V6.0V1.5V1.1V0V2.7V2.8V2.7V2.8V2.6V2.6V2.6V2.7V2.7V2.7V2.7V2.7V0V0V2.7V2.7V0V2.7V2.0V0V12.6V0V2.7V2.7V2.7V3.1V3.0V0V1.2V1.2V1.2V1.2V1.2V1.2V1.2V1.2V1.2V1.2V1.2V0.8V1.6V1.2V2.7V2.7V0V1.4V0V0V1.3V1.2V OFF:2.7VB.B ON:0V2.2V5.7V2.7V5.5V5.6V3.1V1.4V1.1V2.4V2.7V1.2V1.2V1.2V1.2V1.2V1.2V1

43、.2V2.6V2.9V2.8VC341000P1000PC3839KNC+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+BQ3Q94180KIC9(2/2)Q34IC9(1/2)R9180KR110.01C5300KR12220KR4244.7K2829A9C45310u10+4.7KR349PLUGR324 100KW1Q40-420.01C311R308470K10KR301+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B+B321+330R25R150.01C

44、9R16390R10300KR1324KR847KR26 2.2R7 3.3R6 3.3R142.7K+22u16C1R122K411D1232XWEXRAS433343A063541A187422.21KR414R3292KR2100KR3100KC3C4511000PC4501000P+C30147u40.1C30210KR3091000PC3030.01C305R30233KQ47,48R422270R204.7KR305EXTVSSVOC41 0.1+C18 100u433KR24L22527293110KR27C330.01+-132IC11L3-+7865531D0A310944V

45、CC43A2470KR315R19220P470uHL1+10u10C351000PC391000P1000PC37OP-+C36 22u10C20 22u6.3C431000P1000PC31PREGND7953C80.01R1813KC443VOEXT42VDD1VSSCE5R22220+C17 100u10+C19 100u6.3R17 10K44952144VCC1XQOK2XWRE3XEMP4XWIH5C1766CHDT7EBLK8CLK9GND10A34411Y DATA5453527473R328 100KR3481K858786888999979896100954950VR15

46、0KC306 1C307 1R327470KR326470KR316470KR325100KR2147K3GND4SUB2OUTVCCNC15R4R342 4.7KR321 4.7KX25.00MHz110KR32210K C3040.013542132122180NCNC279NCSQCK378NCSDTO477NCSDTI576NCSCK675NCIC774S14X2873S13X1972S12VDD1071S11XT11170S10XT21269S9RESET1368S8SCOR1467S7RCI1566S61665S5FOK1764S4GFS1863S3HDATA1962S2BB206

47、1S1SGAIN2160S0CHDT2259VSSXSOE2358VLC2NC2457VLC1NC2556VLCODEFECT2655BIASNC2754COM3AVSS2853COM2KEY12952COM1KEY2100BATTV131SQSO99BATTV232XLT98HPKEY33XQOK97NC34XWRE96ADON35XEMP95AVDD36XWIH94AVREF37LIDSW93SLTSW38LDON92DCDCON39HOLD91VSS40LINE90ADPT4189CHRGOK42SENS88CHRG43DATA87XRST44CLOK86DMUTE45XLAT85RMU

48、TE46SHOCK84TEST47LED83NC48NC82PSW49NC30COMO51VOL8150NCHPMUTE38344140C40C32 1000PCO1CO3331BATT1BATT3322OUT1FOUT3F313POWGNDPOWGND304OUT1ROUT3R295BATT12BATT34286OUT2FOUT4F277POWGNDPOWGND268OUT2ROUT4R259BATT2BATT42410DGND4412ESPCN34313PCCN44214CTIN44115RTIN34016CLKVC3917VGIN13818LGIN23719CN1PREVCC3620CN

49、2OPOUT352134CH1MUTE2211CO423CO26033KR304R34110K51R30333K727170696867666564636261C42247u4979896XXX()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()(PCB/SD-INT 98.4.24 3:01 PM y W 3UVXZABADWYAAACY22-7300-11DPC-885LCD DISPLAY ASSY (B38-0162

50、-05)IC8DPC-885 (K)IC4IC6VVVVVVVVVDASCDOWNPLAYSTOPUPBBP.MODEREPEATSEGMENTCOMMONQ19Q39Q35P1P2Q31Q33IC7,8 D25D2,6,11,13-15,27,28 : DTA114EUAQ36Q2,7,11,15,19,20,31,IC12: XC6383B301MRIC13: PST9124NRD26D29: MBRA130L: DA204UD4D3: DAP202U: UDZ3.0BLINE OUTJ4BUFFERON/OFFPOWER SUPPLYOPTICAL OUTOUTD27Q42D28D4: