Kenwood-CD204-cd-sm 维修电路原理图.pdf
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1、MULTIPLE CD PLAYERCD-203/DPF-R3010/DPF-R3010ECD-204/DPF-R4010/DPF-R4010ESERVICE MANUAL 1998-3/B51-5417-00 (K/K) 3430CHECKCLEARTIME DISP.REPEATRANDOMP.MODEDISC SKIPEDIT4?1?DISC 1DISC 2DISC 3DISC 4DISC 5067PHONES-ON STANDBYLRSL16 XS 8SYSTEM CONTROL?LINE OUTPUT?Panel*(A60-)Knob *(K27-)AC power cord *(E
2、30-)Slide switch(S31-2132-05)Phono jack(E63-0122-05)Miniature phone jack(E11-0293-05)Power cord bushing(J42-0083-05)Front glass(B10-2441-03)KENWOOD badge(B43-0302-04)Knob *(K29-)Phone jack(E11-0272-05)Panel (TRAY) *(A29-)Illust is CD-204/DPF-R4010/DPF-R4010E.* Refer to parts list on page 16.In compl
3、iance with Federal Regulations, following are reproduc-tions of labels on, or inside the product relating to laser productsafety.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.A
4、VOID DIRECT EXPOSURE TO BEAMRefer to 103CD/104CD/1050CD, DP-R797/R3090/R4090(B51-5269-00) if you require circuit description and blockdiagram in detail.CD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 2RadioFans.CN 收音机爱 好者资料库CD-203/204/DPF-R3010/R3010E/R4010/R4010E2CONTENTS / ACCESSORIESCONTENTS / ACC
5、ESSORIES . 2CIRCUIT DESCRIPTION. 3ADJUSTMENT. 5PC BOARD . 6SCHEMATIC DIAGRAM . 9EXPLODED VIEW . 14PARTS LIST. 16SPECIFICATIONS . Back coverContentsAccessoriesAudio cord (1)(E30-0505-05)System control cord (1)(E30-2816-05)AC plug adapter (1)(E03-0115-05)DPF-R3010/R4010 : M type onlyRemote control uni
6、t (1)(A70-1128-05) : RC-P0504CD-204/DPF-R4010/DPF-R4010E onlyBatteries (R6/AA) (2)CD-204/DPF-R4010/DPF-R4010E onlyBattery cover: (A09-0356-08)HOW TO READ THE PARTS LISTABBREVIATION OF MODEL AND MASS PRODUCTIONS DESTINATIONS MODELABB.AustraliaCanadaChinaEnglandEuropeGermanyKoreaMalaysiaCD-203-P3-DPF-
7、R3010-X3-T3E3-DPF-R3010E-E4-CD-204-P1-DPF-R4010-X1-T1E1-DPF-R4010E-E2-MODELABB.MexicoPX/AAFESRussiaScandinaviaShanghaiUSAOther areaCD-203-K3-DPF-R3010-Y3-M3-DPF-R3010E-CD-204-K1-DPF-R4010-Y1-M1-DPF-R4010E-CD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 3RadioFans.CN 收音机爱 好者资料库1. Pin descriptionPin No
8、.NameI/OFunction177G1GODisplay digit control (Grid7Grid1)8VDDPower supply (+5V)9SQCKOQ data reading clock output10NCOUnused11SUBQIQ data input 1215KR3KR0IKey return 3016NCIUnused17RESETIReset inputL : RESET18SLT SWICDM25 start limit switch input L : SW ON19DOWN SWICDM25 mechanism down switch input L
9、 : SW ON20AVSS I Unused (connected to VSS)21UP SWICDM25 mechanism up switch inputL : SW ON22CLOSE SWICDM25 close switch input L : SW ON23OPEN SWICDM25 open switch input L : SW ON24OPEN M OOpen motor control H : ACTIVE25CLOSE MOClose motor control H : ACTIVE26RTRAY RORotary tray motor control (CW) H
10、: ACTIVE27RTRAY LORotary tray motor control (CCW)H : ACTIVE28RTRAY SORotary tray motor control (deceleration) H : ACTIVE29AVDDUnused (connected to VDD)30AVREFUnused (connected to VSS)31NC IUnused32XT2 Unused (OPEN)33VSSGND34X1ISystem clock input35X2Unused 36DSENSEICDM25 disc sensor detection37PSENSE
11、ICDM25 position sensor detection38LDCOLaser signal outputL : LASER ON39FOKIFOK signal input H : FOCUS ON40D.R.I.V.EIUnused42SDATAI/OSystem serial data signal input output 43BUSYI/OSystem serial busy signal input output44SCORISub code frame sync detection45MONOFocus drug countermeasure circuit contro
12、l46MUTGODigital mute control H : MUTE ON47REMIRemote control signal input48VPP GND49SENSEISense input from CXD2507AQ 50 DTAOData output for CXD2507AQ51CLKOClock output for CXD2507AQ52VDD Power supply (+5V) 53,54DEFECT SEL./NC IUnused 55LATO Latch output for CXD2507AQ56GFSIFrame signal input57RMUTEOA
13、nalog mute control L : MUTE ON58 MDTOAttenuater data output59MCKOAttenuater clock output60MELOAttenuater latch output6170SpSg/KSODisplay segment control (Seg p-Seg g) / Key scan71VLOADDisplay drive negative power supply (-35V)7277SfSa/KSODisplay segment control (Seg f-Seg a) / Key scan788010G-8GODis
14、play digit control (Grid10-Grid8)41SERIAL SWISerial communication 8 (XS8)/16(SL16) bit changoverH : 16 BITCD-203/204/DPF-R3010/R3010E/R4010/R4010E3CIRCUIT DESCRIPTIONCD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 6CD-203/204/DPF-R3010/R3010E/R4010/R4010E4CIRCUIT DESCRIPTIONStepKey nameDisplayDescrip
15、tion1PLAY/PAUSE(Cyclic)03(1) Focus servo .ONTE-B adjustment(2) Tracking servo .OFF(3) Feed servo.OFF05(1) Focus servo .ONF-GAIN/T-GAIN FE-B adjustment(2) Tracking servo .ON(3) Feed servo.ON2UPDisplay goes on3DOWNDisplay goes off4DISC1Search the position of No. 15STOP00(1) Focus servo .OFFWaiting key
16、 input(2) Tracking servo .OFF(3) Feed servo.OFF6DISC2-Canceled Test modeNormal mode7DISC301Canceled Test mode, then 01 PLAYNormal mode2. Test mode2-1. Setting the test modeThe microprocessor built in the unit can be put to TESTMODE by just pressing the TIME DISP. key when set topower on.DP-R series
17、is available to set to each test mode by eachkey.2-2. Key vs Function in test modeCD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 7CD-203/204/DPF-R3010/R3010E/R4010/R4010E5ADJUSTMENTFIG.VC+_L.P.F.+L.P.F.VTVMVTVM12345671.2 kHz50 mVrms(a)No.ITEMINPUTSETTINGSOUTPUTSETTINGSALIGNMENTPOINTSALIGNFORPLAYERSE
18、TTINGS1LASER POWERApply the sensor sectionof optical power meteron the pickup lens.On the power from0.08 to 0.15 mW,when the diffractiongrating is correctlyaligned with the RFlevel of 1.0 Vp-p ormore.While pressing theTIME DISP. key, turnthe AC ON. (Testmode) Press thePLAY/PAUSE key,then confirm tha
19、t thedisplay is 03.(a) Laser powerPickup3FOCUS ERRORBALANCETest discType 4Connect an oscilloscopeas follows.CH1 : RF (CN2 pin 1)CH2 : TE1 (CN2 pin 6)FE BALANCEVR1Optimum eye patternPress thePLAY/PAUSEkey,then confirm that thedisplay is 05.Note:Type 4 disc : SONY YEDS-18 Test Disc or equivalent.LPF:
20、Around 47 k+ 390 pF or so.Step 14 are in Test Mode.0.080.15 mWOptical power meter2TRACKING ERRORBALANCETest discType 4Connect an oscilloscopeas follows.CH1 : RF (CN2 pin 1)CH2 : TE1 (CN2 pin 6)TE BALANCEVR2Symmetry betweenupper and lower pat-ternsPress thePLAY/PAUSE key,then confirm that thedisplay
21、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 youconnect an oscilloscopeor AC voltmeters.TRACKINGGAINVR3Two VTVMs shouldread the same value.Press thePLAY/PAUSE key,then confirm that thedisplay is 05.1. Pres
22、s the STOP key.2. Press the OPEN key.3. Load a disc, then press the CLOSE key.4. Press the PLAY key.5. Press the OPEN key to open the tray.6. Turn the power off. (Player stops as the tray is opened while the disc clamped.)7. While pressing the TIME DISP. key, turn the power ON to enter the Test mode
23、.Open the tray (Normal mode), then turn the power off. CD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 10EABDC2135746PC BOARD (Component side view)6Refer to the schematic diagram for the value of resistors and capacitors.CD-203/DPF-R3010(K) COVER( 98.4.24 11:30 PM yW 11FHJLNGIKMO2135746Refer to the s
24、chematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)78X32-363X-XX0-10 : CD-204 (K,P)0-22 : DPF-R3010 (Y,M)2-72 : DPF-R3010 (X,T,E)0-11 : CD-203 (K,P)2-71 : DPF-R4010 (X,T,E)DPF-R3010E (E2)0-21 : DPF-R4010 (Y,M)DPF-R4010E (E2)CD-203/DPF-R3010(K) PCB/SD( 98.4.24 11:
25、37 PM y W 20V0V2.1V2.1V1.8V0V4.4V4.4V4.8V0V4.4V4.7V4.8V2.2V4.5V2.2V0.8V2.2V4.5V1.9V1.9V2.2V2.2V2.2V4.4V2.2V-24.8V-24.8V-24.8V-24.8V-24.8V-18.8V-4.1V-18.8V-21.6V4.0K4.0K0K2.2K2.2K2.0V2.0V4.0V4.0V4.8V4.8V-24.8V-24.8V-24.8V-24.8V-24.8V-25.0V-27.5V-24.4V-24.4V-24.4V-24.6V-21.6V-27.7V-18.8V-15.6V-21.6V-1
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