Kenwood-DVF3020-cd-sm 电路图 维修手册.pdf

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1、DVD VCD CD PLAYER DVF-3020 SERVICE MANUAL 1999-10/B51-5588-00 (K/K) 1904 70% AC IN AV1 AV2 S VIDEO OUT VIDEO AUDIO OUT OUT DIGITAL AUDIO OUT OPTICAL L (PCM/BIT STREAM) DVF-3020 STANDBY VIRTUAL SURROUND OPEN/CLOSE Tray top (A29-1093-08) : B (A29-1094-08) : S Front panel (A60-1836-08) : B (A60-1837-08

2、) : S Front cover (B10-3573-08) Leg (J02-1468-08) Power button (K27-2400-08) : S (K27-2407-08) : B Top cover (A01-3749-08) : B (A01-3754-08) : S RCA jack (E63-1134-08) Connectorx2 (E40-8598-08) Connector (E40-8593-08) Optical receiving (W02-2736-08) Y/C connector (E40-8534-08) In compliance with Fed

3、eral Regulations, following are repro- ductions of labels on, or inside the product relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIR

4、ECT EXPOSURE TO BEAM Caution : No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and some others. B: Black S: Silver RadioFans.CN 收音机爱 好者资料库 DVF-3020 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 BLOCK DIAGRAM .3 ADJUSTMENT.7 ABBR

5、EVIATION.8 VOLTAGE CHART.10 WIRING DIAGRAM.15 PC BOARD . 16 SCHEMATIC DIAGRAM . 21 EXPLODED VIEW .51 PARTS LIST.54 SPECIFICATIONS .Back cover Contents (A70-1353-08)(E30-2946-08) (E30-2938-08)(B19-1615-08) Remote control unit . . . . . . . . . 1 for remote control unit size AA Batteries. . . . . . .

6、. . . . . . . . . . . . . 2AC cord. . . . . . . . . . . . . . . . . . . . . 1 Video/audio cable. . . . . . . . . . . . 1Optical cable. . . . . . . . . . . . . . . . . . . 1 Accessories Note: There is different part in this manual as compared with a usual one because we use OEM factorys data. Refer t

7、o DVF-5020 service manual (B51-5580-00) on Disassembly for Repair and Circuit Description. KENWOOD MODELOEM MODEL DVF-3020DVD-A160 series How to read the schematic diagram There are some destinations in this schematic. Connection of from or to. Port name RadioFans.CN 收音机爱 好者资料库 27MHz RGB VIDEO/COMPO

8、NENT VIDEO OUT MODEL ONLY ONLY MODEL 5.1ch AUDIO AUDIO DIGITAL OUT IC3201 MOTHER C.B.A. PAL MODEL ONLY IC3061 IC3051 IC6001 IC2511 IC2501 MECHANISM UNIT MODULE C.B.A. CR(R) CB(B) Y(G) S-VIDEO OUT VIDEO OUT IC3531 IC4221 IC4211 IC4201 CNT SW SL SR FR FL CONVERTER D/A VIDEO DRIVER VIDEO CONVERTER D/A

9、AUDIO CONVERTER D/A AUDIO CONVERTER D/A AUDIO IC3001IC7001IC2001IC5202 (AV DEC) DECODER AV SRAM 4BIT (ODC) CONTROLLER DISC OPTICAL SRAM 16BIT COIL TRACKING COIL FOCUS MOTOR STEPPING CPU SUB KEY REMOCON LED OSD FL (DSC) CONTROLLER SERVO DIGITAL IC6302 IC6201 CPU MAIN DRAM 4M 16.9MHz DRIVE MOTOR 4ch M

10、OTOR LOADING DRIVE MOTOR SPINDLE MOTOR SPINDLE (FEP) PROCESSOR END FRONT UNIT PICK UP OPTICAL DVF-3020 3 OVERALL BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 (0.5sec./DIV.) CLOSE 2.5Vp-p IC2501-25(UP),IC2501-27(DOWN) 5.0Vp-p(20usec./div.) IC2501-24 7.2Vp-p(20usec./div.) IC2511-11,12,13,14 (0.5sec./DIV.) OP

11、EN 2.5Vp-p IC2501-25(UP),IC2501-27(DOWN) RF SIGNALSPINDLE MOTOR DRIVE SIGNALSTEPPING MOTOR DRIVE SIGNALTRACKING ERROR SIGNALFOCUS ERROR SIGNAL BRK FIN RIN SS FGC FG EC ECR OPIN2- OPIN1- OPIN3- OPIN4- TRAY CLOSE TRAY OPEN BRK TRAY SET2 TRAY SET1 SS FGC FG EC ECR TRV-SW FOCUS DRIVE TRAKING DRIVE TRSDR

12、V-B TRSDRV-A X TRON OFTR BDO JIT OUT LDONA LDONB FBAL FE TBAL TE RDCKP RDCKN RDTP RDTN VIN4 VIN3 VIN2 VIN1 VIN5 VIN6 STNBY STD1 SCK SEN DAT3 DAT2 DAT1 DAT0 SBI1 SBO1 SBT1 CPUIRQ CPCEN CPSEN OUT2 OUT1 A3 A2 A1 H1+ H1- H2+ H2- H3+ H3- VO2- VO2+ VO1- VO1+ VO4+ VO4- VO3+ VO3- Q C D OPTICAL PICK UP UNIT

13、PHOTO DETECTOR B3B4 B2B1 A3 A2 A4 A1 LASER DIODE AMP HEAD Q5201 LD DRIVE 4 3 IC6303 (EEPROM) AMP 115 114 113 112 71 76 50 60 52 72 70 55 2 6 5 IC6201 (CPU) IC7001 (ODC) INTERFACE BALANCE FOCUS BALANCE TRACKING 22 21 20 19 97 96 95 94 92 91 2 3 2 1 9 23 66 65 64 12 13 28 50 49 48 47 (FEP) IC5202 61 6

14、3 62 60 38 37 36 35 34 33 128 107 44 81 98 93 20 91 43 42 41 40 1 7 8 13 12 16 14 111 120 121 11 103 102 105 104 23 26 9 2 3 4 5 6 7 16 11 10 15 12 19 18 25 27 23 26 28 11 12 13 14 15 16 17 18 6 3 (DSC) IC2001 QR2502 5 4 1 3 AMP QR2503 QR2501 AMP 5 4 1 3 AMP (MOTOR DRIVE) (SPINDLE MOTOR DRIVE) IC250

15、1 IC2511 M2601 LOAD M- LOAD M+ MOTOR LOADING S2601 TRAY OPEN TRAY CLOSE M3 M2 M1 H1- HALL1 H1+ H2- H2+ HALL2 H3+ H3- TRV-SW HALL3 TRAVERSE SWITCH ACT T- ACT T+ ACT F- ACT F+ STEPPING MOTOR UNIT STEPPING MOTOR LOADING MOTOR UNIT SPINDLE MOTOR UNIT OPTICAL PICK UP UNIT ACTUATOR COIL TRACKING COIL FOCU

16、S DVF-3020 4 SERVO BLOCK DIAGRAM 1.2Vp-p(20usec./div) PS3801-19 PLAY 1.2Vp-p(20usec./div) PS3801-18 PLAY 1.0Vp-p(20usec./div) PS3801-17 PLAY IC3813 H L H L H L H L L H H L H L H H L L SCART C.B.A. V-OUT GREEN-I/O V-OUT BLUE-I/O7 11 15 19 19 RED-I/O RGBH IC3831 IC3831 IC3841 IC3841 IC3841 J3871- IC38

17、21 J3871- J3871- J3881- J3871- V C Y R G B H RGB J3881- IC3812 J3871- YC J3881- YC IC3811 RGB IC3822 IC3822 YC IC3822 IC3821 J3881YC J3881 IC3821 20 H H 15 H 20 H 11 7 H SERIES MODEL ONLY EXCEPT A770,A560,A360 EXCEPT A770,A560,A360 SERIES 1.2Vp-p(20usec/div) IC3001-201 1.5Vp-p(20usec/div) IC3001-206

18、 1.2Vp-p(20usec./div.) IC3201-23 2.2Vp-p(20usec./div.) IC3531-19 2.2Vp-p(20usec./div.) IC3531-16 1.5Vp-p(20usec./div.) IC3201-25 1.2Vp-p(20usec./div.) IC3531-14 0.64Vp-p(20usec./div.) IC3201-32 0.68Vp-p(20usec./div.) IC3201-29 6.0Vp-p(20usec./div.) IC3001-161 to 168 MODULE C.B.A. MOTHER C.B.A. (AV D

19、ECORDER) IC3001 A770,A560,A360,SERIES MODEL ONLY XRST122 IC6201-79PIN FROM NRST XRESET 45 VCOUT VYOUT C Y 201 206 Q3211 AMP AMP Q3201 FL3501 B.P.F. L.P.F. FL3511 Q3501 AMP AMP Q3511 Q3502 AMP AMP Q3512 VR3511 VR3501 C ADJ. Y ADJ. A770,A560,A360 SERIES MODEL ONLY Q3601 AMP Q3602 AMP QR3601 NR IC6201-

20、80PIN FROM AMP Q3513 AMP Q3603 VIDEO OUT (VIDEO DRIVER) IC3531 14 16 19 COUT VOUT C YOUT3 Y 11 VD7 VD0 168 167 166 165 164 163 162 161 (VIDEO D/A CONVERTER) IC3201 IC6201-10PIN FROM SDATA IC6201-9PIN FROM SCLOCK P7 P0 SDATA SCLOCK 20 19 9 8 7 6 5 4 3 2 CB/B ADJ VR3201 CR/R CB/B Y/G C Y DAC-C DAC-B D

21、AC-A DAC-F DAC-E 38 29 32 35 23 25 ONLY EUROPE MODEL AMP Q3221 AMP Q3231 AMP Q3241 FL3561 FL3551 B.P.F. AMP Q3571 AMP Q3561 Q3551 AMP JAPAN,EUROPE MODEL ONLY QR3521QR3522 WIDE1 IC6201-53PIN FROM IC6201-5PIN FROM WIDE2 S-VIDEO OUT DVF-3020 5 VIDEO BLOCK DIAGRAM AMPAMP AMPAMP AMPAMP AMPAMP AMPAMP AMP

22、AMP AMPAMP AMP AMP AMP AMP AMP AMP AMPAMP AMPAMP AMP AMP AMP AMP AMP AMPAMPAMPAMP AMP 0.7Vp-p(0.5msec./div.) 0.6Vp-p(0.5msec./div.) IC4201-13,15 6.4Vp-p(10usec./div.) IC3001-185 A560 ONLY T4751 A770,A560,A360 SERIES ONLY K570 ONLY 3 IC4781 OPTICAL DIGITAL AUDIO OUT COAXIAL DIGITAL AUDIO OUT JK4771 6

23、 4 3 1 IC4751 5 3 IC4751 2 6 K4751 IC4751 7 1 IC4241 4 2 IEC OUT174 SW OUT CNT OUT SR OUT SL OUT Rch OUT Lch OUT FR OUT FL OUT 21 IC4471 7 IC4471 6 S4501 FROM ATTENUATOR IC6201-3PIN FROM A MUT Q4431IC4421 21 22 IC4392 IC4251-12PIN FROM K4384 SW SEL 9 15 2 1 IC4382 Q4421IC4421 43 IC4392 IC4251-10PIN

24、FROM 10 CNT SEL K4383 4 3 5 IC4382 S4501 FROM ATTENUATORA MUT IC6201-3PIN FROM S4501 FROM ATTENUATORA MUT IC6201-3PIN FROM 21 Q4411IC4401 21 22 IC4391 IC4251-12PIN FROM SUR SEL K4381 9 15 2 1 IC4381 A360 SERIES Except A770,A560, K4442 K4441 S4501 FROM ATTENUATOR IC6201-3PIN FROM A MUT 67 IC4401Q4401

25、 43 IC4391 6 IC4451 7 2 IC4451 1 + IC4441 21 + 7 IC4441 6 IC4251-12PIN FROM SUR SEL 10 K4382 4 3 5 IC4381 + SERIES ONLY A770,A560,A360 A360 SERIES Except A770,A560, A360 SERIES Except A770,A560, 1 IC4451 2 6 IC4451 7 1 IC4306 2 7 IC4321 6 6 IC4361 7 1 IC4361 2 1 IC4605 2EXTL10 IC4601 17 DSP KARAOKE

26、IC4341 FS MUT SLVIR IC4251-8PIN FROM K570 ONLY K570 ONLY IC4251-8PIN FROM FS MUT SRVIR IC4341 DSP KARAOKE21 IC4601 14EXTR6 IC4605 7 2 IC4341 1 7 IC4341 6 KARAOKE MODEL ONLY 1 IC4321 2 7 IC4691 6 + IC6001-50PIN FROM MIC MUT + KARAOKE MODEL ONLY ECHO MUT IC6001-49PIN FROM 7 IC4306 6 VR4952 192 IC4952

27、2 IC6001-51PIN TO VOICE DET IC4951 AMP ECHO DET LEVEL MIC 76 IC4952 12 IC4691 + VR4692 75 IC4671 MIC2 VR4691 13 IC4671 MIC1 NRST IC6201-79PIN FROM SBO1 IC6201-72PIN FROM SBT1 IC6201-70PIN FROM SW STBDAC CNT 13 16 IC6201-59PIN FROM (AUDIO D/A CONVERTER) IC4221 28272622 IC4251-9PIN FROM DACMUT 1 3 2 I

28、C4251-7PIN FROM 10 DSPTHURU IC4602 3 1 34 2 IC4612 42 IC4601 45 AOUT2183 A770,A560,A360 SERIES ONLY NRST IC6201-79PIN FROM SBO1 IC6201-72PIN FROM SBT1 IC6201-70PIN FROM SR STBDAC SL 13 16 IC6201-59PIN FROM (AUDIO D/A CONVERTER) IC4211 28272622 IC4251-9PIN FROM DACMUT 1 3 2 IC6001-75PIN FROM GAIN SEL

29、DACMUT IC4251-9PIN FROM NRST IC6201-79PIN FROM SBO1 IC6201-72PIN FROM SBT1 IC6201-70PIN FROM IC6201-59PIN FROM STBDAC FR FL 13 16 (AUDIO D/A CONVERTER) IC4201 28272622 1 3 2 IC4251-7PIN FROM 9 DSPTHURU IC4602 4 5 56 3 IC4612 41 IC4601 44 IC4251-7PIN FROM DSPTHURU 11 IC4602 14 13 124043 IC4601IC4612

30、89 A360 SERIES Except A770,A560, K4203 K4201 K4202 AOUT1184 179LRCK SRCK181 IC3001 AOUT0185 DVF-3020 6 AUDIO BLOCK DIAGRAM DVF-3020 7 ADJUSTMENT 1. Video Output (Luminance Signal) Adjustment Do this adjustment after replacing a C.B.A. Purpose: To maintain video signal output compatibility. 1. Connec

31、t the oscilloscope to the video output terminal and terminate at 75 ohms. 2. Adjust VR3501 so that the luminance signal (Y+S) level becomes 1000 mVp-p20 mV. Purpose: To maintain video signal output compatibility. 1. Connect the oscilloscope to the video output terminal and terminate at 75 ohms. 2. A

32、djust VR3511 so that the chrominance signal (C) level becomes 675 mVp-p13 mV. Measurement pointAdjustment pointModeDisc Video output terminalVR3501 (mother C.B.A.)Color bar 75%DVD disc (Color bar 75%) Measuring equipment, toolsAdjustment value Screwdriver, Oscilloscope1000mVp-p20mV 200mV/div, 10msec

33、/div Measurement pointAdjustment pointModeDisc Video output terminalVR3511 (mother C.B.A.)Color bar 75%DVD disc (Color bar 75%) Measuring equipment, toolsAdjustment value Screwdriver, Oscilloscope675mVp-p13mV 200mV/div, 10msec/div 2. Video Output (Chrominance Signal) Adjustment Do this adjustment af

34、ter replacing a C.B.A. DVF-3020 8 ABBREVIATION 3. Abbreviations INITIAL/LOGOABBREVIATIONS AA0UPADDRESS ACLKAUDIO CLOCK AD0UPADDRESS BUS ADATAAUDIO PES PACKET DATA ALEADDRESS LATCH ENABLE AMUTEAUDIO MUTE AREQAUDIO PES PACKET REQUEST ARFAUDIO RF ASISERVO AMP INVERTED INPUT ASOSERVO AMP OUTPUT ASYNCAUD

35、IO WORD DISTINCTION SYNC BBCKBIT CLOCK (PCM) BCKINBIT CLOCK INPUT BDOBLACK DROP OUT BLKCKSUB CODE BLOCK CLOCK BOTTOMCAP. FOR BOTTOM HOLD BYPBYPATH BYTCKBYTE CLOCK CCAVCONSTANT ANGULAR VELOCITY CBDOCAP. BLACK DROP OUT CDCOMPACT DISC CDSCKCD SERIAL DATA CLOCK CDSRDATACD SERIAL DATA CDRFCD RF (EFM) SIG

36、NAL CDVCOMPACT DISC-VIDEO CHNDATACHANNEL DATA CKSLSYSTEM CLOCK SELECT CLVCONSTANT LINEAR VELOCITY COFTRCAP. OFF TRACK CPACPU ADDRESS CPCSCPU CHIP SELECT CPDTCPU DATA CPUADRCPU ADDRESS LATCH CPUADTCPU ADDRESS DATA BUS CPUIRQCPU INTERRUPT REQUEST CPRDCPU READ ENABLE CPWRCPU WRITE ENABLE CSCHIP SELECT

37、CSYNCINCOMPOSITE SYNC IN CSYNCOUTCOMPOSITE SYNC OUT DDACCKD/A CONVERTER CLOCK DEEMPDEEMPHASIS BIT ON/OFF DEMPHDEEMPHASIS SWITCHING DIG0UPFL DIGIT OUTPUT DINDATA INPUT DMSRCKDM SERIAL DATA READ CLOCK DMUTEDIGITAL MUTE CONTROL DODROP OUT DOUT0UPDATA OUTPUT DRFDATA SLICE RF (BIAS) INITIAL/LOGOABBREVIAT

38、IONS DDRPOUTDROP OUT SIGNAL DREQDATA REQUEST DRESPDATA RESPONSE DSCDIGITAL SERVO CONTROLLER DSLFDATA SLICE LOOP FILTER DVDDIGITAL VIDEO DISC EECERROR TORQUE CONTROL ECRERROR TORQUE CONTROL REFERENCE ENCSELENCODER SELECT ETMCLKEXTERNAL M CLOCK (81MHz/40.5MHz) ETSCLKEXTERNAL S CLOCK (54MHz) FFBALFOCUS

39、 BALANCE FCLKFRAME CLOCK FEFOCUS ERROR FFIFOCUS ERROR AMP INVERTED INPUT FEOFOCUS ERROR AMP OUTPUT FGFREQUENCY GENERATOR FSCFREQUENCY SUB CARRIER FSCKFS (384 OVER SAMPLING) CLOCK GGNDCOMMON GROUNDING (EARTH) HHA0UPHOST ADDRESS HD0UPHOST DATA HINTHOST INTERRUPT HRXWHOST READ/WRITE IIECOUTIEC958 FORMA

40、T DATA OUTPUT IPFRAGINTERPOLATION FLAG IREFI (CURRENT) REFERENCE ISELINTERFACE MODE SELECT LLDONLASER DIODE CONTROL LPCLASER POWER CONTROL LRCKL CH/R CH DISTINCTION CLOCK MMA0UPMEMORY ADDRESS MCKMEMORY CLOCK MCKIMEMORY CLOCK INPUT MCLKMEMORY SERIAL COMMAND CLOCK MDATAMEMORY SERIAL COMMAND DATA MDQ0U

41、PMEMORY DATA INPUT/OUTPUT MDQMMEMORY DATA I/O MASK MLDMEMORY SERIAL COMMAND LOAD MPEGMOVING PICTURE EXPERTS GROUP OODCOPTICAL DISC CONTROLLER OFTROFF TRACKING OSCIOSCILLATOR INPUT OSCOOSCILLATOR OUTPUT OSDON SCREEN DISPLAY DVF-3020 9 ABBREVIATION INITIAL/LOGOABBREVIATIONS PP1UPPORT PCDCD TRACKING PH

42、ASE DIFFERENCE PCKPLL CLOCK PDVDDVD TRACKING PHASE DIFFERENCE PEAKCAP. FOR PEAK HOLD PLLCLKCHANNEL PLL CLOCK PLLOKPLL LOCK PWMCTLPWM OUTPUT CONTROL PWMDAPULSE WAVE MOTOR DRIVE A PWMOA, B”PULSE WAVE MOTOR OUT A, B” REREAD ENABLE RFENVRF ENVELOPE RFORF PHASE DIFFERENCE OUTPUT RS(CD-ROM) REGISTER SELEC

43、T RSELRF POLARITY SELECT RSTRESET RSVRESERVE SSBI0, 1SERIAL DATA INPUT SBO0SERIAL DATA OUTPUT SBT0, 1SERIAL CLOCK SCKSERIAL DATA CLOCK SCKRAUDIO SERIAL CLOCK RECEIVER SCLSERIAL CLOCK SCLKSERIAL CLOCK SDASERIAL DATA SEG0UPFL SEGMENT OUTPUT SELCLKSELECT CLOCK SENSERIAL PORT ENABLE SIN1, 2SERIAL DATA I

44、N SOUT1, 2SERIAL DATA OUT SPDISERIAL PORT DATA INPUT SPDOSERIAL PORT DATA OUTPUT SPENSERIAL PORT R/W ENABLE SPRCLKSERIAL PORT READ CLOCK SPWCLKSERIAL PORT WRITE CLOCK SQCKSUB CODE Q CLOCK SQCXSUB CODE Q DATA READ CLOCK SRDATASERIAL DATA SRMADRSRAM ADDRESS BUS SRMDT07SRAM DATA BUS 07 SSSTART/STOP STA

45、TSTATUS STCLKSTREAM DATA CLOCK STD0UPSTREAM DATA STENABLESTREAM DATA INPUT ENABLE STSELSTREAM DATA POLARITY SELECT STVALIDSTREAM DATA VALIDITY SUBCSUB CODE SERIAL SBCKSUB CODE CLOCK SUBQSUB CODE Q DATA SYSCLKSYSTEM CLOC INITIAL/LOGOABBREVIATIONS TTETRACKING ERROR TIBALBALANCE CONTROL TIDBALANCE OUTP

46、UT 1 TINBALANCE INPUT TIPBALANCE INPUT TISBALANCE OUTPUT 2 TPSNOP AMP INPUT TPSOOP AMP OUTPUT TPSPOP AMP INVERTED INPUT TRCRSTRACK CROSS SIGNAL TRONTRACKING ON TRSONTRAVERSE SERVO ON VVBLANKV BLANKING VCCCOLLECTOR POWER SUPPLY VOLTAGE VCDCONTVIDEO CD CONTROL (TRACKING BALANCE) VDDDRAIN POWER SUPPLY

47、VOLTAGE VFBVIDEO FEED BACK VREFVOLTAGE REFERENCE VSSSOURCE POWER SUPPLY VOLTAGE W WAITBUS CYCLE WAIT WDCKWORD CLOCK WEHWRITE ENABLE HIGH WSRWORD SELECT RECEIVER XXXTAL XALEX ADDRESS LATCH ENABLE XAREQX AUDIO DATA REQUEST XCDROMX CD ROM CHIP SELECT XCSX CHIP SELECT XCSYNCX COMPOSITE SYNC XDSX DATA ST

48、ROBE XHSYNCOX HORIZONTAL SYNC OUTPUT XHINTXH INTERRUPT REQUEST XIXTAL OSCILLATOR INPUT XINTX INTERRUPT XMWX MEMORY WRITE ENABLE XOXTAL OSCILLATOR OUTPUT XREX READ ENABLE XSRMCEX SRAM CHIP ENABLE XSRMOEX SRAM OUTPUT ENABLE XSRMWEX SRAM WRITE ENABLE XVCSX V-DEC CHIP SELECT XVDSX V-DEC CONTROL BUS STROBE XVSYNCOX VERTICAL SYNC