Kenwood-DV6050-cd-sm 维修电路原理图.pdf

《Kenwood-DV6050-cd-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Kenwood-DV6050-cd-sm 维修电路原理图.pdf（46页珍藏版）》请在收音机爱好者资料库上搜索。

1、MULTIPLE DVD/VCD/CD PLAYERDV-6050SERVICE MANUAL 2002-10 PRINTED IN KOREAB51-5831-00 (K/K) 1382 In compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KENWOOD Corp. certifies this equipment conforms to DHHSRegulations No

2、.21 CFR 1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT 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.730POWERSTANDBYON OFF4DISC SK

3、IPSEQUENCE MODEDISC 1DISC 2DISC 3DISC 4DISC 5Cabinet panel (A60-2323-08)Crystal Window (B10-3936-08)Con DIN socket (E68-0018-08)Top cover (A01-3854-08)Button (K29-8238-08)Button (K27-2502-08)Knob(POWER) (K27-2503-08)Con phono socket (E63-1311-08)x2Clamp AC cord (J42-0350-08)Wire-MCRDM (E30-7250-08)S

4、lide switch (S62-0115-08)Con DIN socket (E63-1192-08)Con phono socket (E63-1244-08)70%RadioFans.CN 收音机爱 好者资料库Batteries(R03/AA) .(2) Please confirm that the following accessories are present. Audio video cord (Red, White, Yellow) .(1)(E30-2990-08) Remote control unit .(1)(A70-1631-08)Coaxial cable .(

5、1)(E30-7235-08) DV-60502CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES . 2DISASSEMBLY FOR REPAIR.3CIRCUIT DESCRIPTION.4ADJUSTMENT.19INTERCONNECTION DIAGRAM .20PC BOARD . 21SCHEMATIC DIAGRAM . 28EXPLODED VIEW .43PARTS LIST.44SPECIFICATIONS .Back coverContentsAccessoriesThe marking of products using las

6、ers(For countries other than U.S.A., U.S.-Military and Canada)The marking this product has been classified as Class1. It means that there is no danger of hazardousradiation outside the product.Location: Back panelCLASS 1LASER PRODUCTInside this laser product, a laser diode classified asClass 2 laser

7、 radiation is contained as alerted by theinternal caution label shown above. Do not stare intobeam.Location: DVD laser pick-up unit cover inside thisproductCAUTIONVISIBLE LASER RADIATIONWHEN OPEN. DO NOTRadioFans.CN 收音机爱 好者资料库DV-60503DISASSEMBLY FOR REPAIR1x91. How to open the tray if it does not co

8、me out.1. Remove the plastic plate.2. Turn the gear fully CCW using a flat driver and so on inthe drawing through the hole on the loading chassis bot-tom.3. Pull out the tray frontward by hand when it comes justout.Disassembling and Assembling the DVD mechanism, DVD BD and OUT BD FTMS for Video Sig-

9、nal Adjustment1. To release the rear panel, remove screws (1x9)and optical cap.x242POWERSWITCHLEVER3344N314N315N312432. Remove screws (2x2) and OUT BD FTMS.3. Remove connectors (3X3), power switch lever and screws (4x4).Fig. 1Fig. 2DV-60504DISASSEMBLY FOR REPAIRx45BOTTOM VIEWCN1CN74CN15CN53CN33CN55C

10、N24. Pull out the DVD mechanism horizontally.5. Up-side-down the DVD mechanism.6. Remove screws (5x4) and DVD BD.7. Unplug the connectors ( CN15,CN53,CN55,CN74) anddisconnect 3 flexible cables (CN1,CN2,CN33).8. For the assembly procedure, follow the item 5 to 3 inreverse. 9. Set up the DVD BD on the

11、 top as figure 5.Fig. 3Fig. 410.Connect a jig (E35-2113-05) to CN33 instead of an origi-nal flexible cable (E35-1990-05).CN33 Parts No.Remark(Flexible cable)OriginalE35-1990-0522cmJIGE35-2113-0535cm* (This is a jig for video signal adjustment, after adjustedit put back to an original flexible cable.

12、)11.Plug in the connectors (CN15,CN53) and connect 2 flexi-ble cables (CN1,CN2).* Note : The connectors (CN55, CN74) are for audio sig-nal line so that no necessary to put it back whenvideo signal output adjustment.CN1CN33CN53CN15CN2GNDUse an Instalting Material12.Follow the item 2 and 1 in reverse.

13、13.Gruond DVD BD and rear panel as figure 5.14.Follow the video signal output adjustment procedure.Fig. 5DV-60505CIRCUIT DESCRIPTIONVDAC : NTSC/PAL ENCODERVOUTFLI2200CS4382IC6IC10IC30IC28IC41IC32IC50IC3IC1ADV7170SUADV7196IC26IC11IC10M95040IC11TVP503AN8703FHVOUTAVIF2 SPDIF 36chOUT2chOUT88MN5B003 SIO1

14、3 816BUS16BU2092FV3SST39VF1603I2CSIO0 API3PUFEPMN103S26ESODCAV DecoderMN67 7531 64M SDRAMVDACADACSERIAL-PARALLERFLASHROM16M bitsEEROM4k bytesSETUPREGIONKEYSUB comMN101C35DKEYFLLEDMECHA.CONTROLREMOTECONTROLLERWATER MARKDETECTIONDVD comMN102LP62GProgressiveVDACDRAM2MbyteDriverADAC1. Microcomputer Peri

15、phery Block DiagramDV-60506CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description1DATA OUTOCommunication data output to DVD system microcomputer.2DATA INICommunication data input from DVD system microcomputer.3CLOCKICommunication clock input from DVD system microcomputer.47NCOUnused.8VDD-Positive powe

16、r supply (+5.0V).9X-TALOMaster clock (8.0MHz) output.10EXTALIMaster clock (8.0MHz) input.11VSS-GND12NCIUnused.13NCOUnused.14NC(MMCD)IUnused.15VREF-AD converter reference voltage.1618AD INPUT KEY (13)IAD input key (13).19INPUT REGION TYPE 2IAD input region type 2 (0V).20INPUT MODEL TYPEIAD input mode

17、l type (5.0V).21INPUT REGION TYPE 1IAD input region type 1(0.64V).22UP SW-Unused.23DOWN SW-Unused.24VREF +-AD converter reference voltage.25CEIChip enable input.26RSTIReset signal input.27OPEN SWIOpen switch input from mechanism.28CLOSE SWIClose switch input from mechanism.29ROULETTE CCWOControl por

18、t of rotary motor.30ROULETTE CWOControl port of rotary motor.31OPEN/CLOSE MOTOR CCWOControl port of tray motor.32OPEN/CLOSE MOTOR CWOControl port of tray motor.33REMOCON CONTROLIInput port of remote controller signal.34MECHA DISC SENSORIDetection port of disc sensor for mechanism.35MECHA POSITION SE

19、NSORIDetection port of position sensor for mechanism.36,37NCIUnused.38OPEN/CLOSE CHECKIUnused.39EEPROM DATA OUTOEEPROM serial data out.40EEPROM DATA INIEEPROM serial data input.41EEPROM CLOCK OUTOEEPROM serial clock input.42LED OUT 1(DISC1)OOn/off control port for disc 1 LED.43LED OUT 2(DISC2)OOn/of

20、f control port for disc 2 LED.44LED OUT 3(DISC3)OOn/off control port for disc 3 LED.45LED OUT 4(DISC4)OOn/off control port for disc 4 LED.46LED OUT 5(DISC5)OOn/off control port for disc 5 LED.47EEPROM CSOChip select output to EEPROM.4850NCOUnused.51G14OUnused.52G13OUnused.5364G12G1OFL grid output (G

21、12G1).6586P02P23OFL segment output (P02P23).87P01OFL segment output (P01).8896NCOUnused.97VIDEO MUTEOVideo mute control.98AUDIO MUTEOAudio mute control.99POWER CONTROLOPower relay control.100VPP-FL negative power supply.1-1 Pin Description of Sub Microcomputer : MN101C35D (FRONT, IC11)DV-60507CIRCUI

22、T DESCRIPTIONPin No.Pin NameI/OPin DescriptionLogicHL1WAITIBus wait port.2NRD(ODC/AVDECOBus read port for ODC/AV Decoder/SRAM./SRAM)3NWELOBus read port for AV Decoder/RAM.4NWEH(ODC/AVDECOBus read port for ODC/AV Decoder/SRAM/ROM./SRAM/ROM)5RAMCS(SRAM)OSRAM chip select.6ODCCSOODC chip select.7AVCS(AV

23、DEC)OAV decoder chip select.8ROMCS(ROM)OFlash ROM chip select.9SCLOCK(VDAC)I/OVDAC 12C clock.10SDATA(VDAC)I/OVDAC 12C data.11FRD(ROM)OFlash ROM read port.12WORDICSO bus width.1316CPUADR(03)OBus address (03).17VDD-Supply voltage (+3.3V).18SYSCLK(AVDEC)OExternal clock output for AV decoder.19VSS-Conne

24、cted to ground.20XIIUnused.21XOOUnused.22VDD-Supply voltage (+3.3V).23OSCI(CLK135)ISystem clock input (13.5MHz).24OSCOOUnused.25MODEIProcessor mode selection.ExpensionMode2633CPUADR411OBus address (411).34AVDD-Supply voltage (+3.3V).3542CPUADR1219OBus address (1219).43VSS-Connected to ground.44CPUAD

25、R20OBus address (20).45CDHOSwitching of DAC.CDExceptCD46HFMONOHF monitor output of ADSC.4725BSYOWriting busy data output.NormalBusy48KMODEISelection of writing mode for the ROM.WritingNormal49196BSYIBusy data input.NormalBusy50FROMWROEnable control for writing jig.51TRVSWIInput port of traverse swit

26、ch.OffOn52AMUTEOAudio mute control.53FEPRSTOFEP reset output.54VDD-Supply voltage (+3.3V).55FEPENOEnable output to FEP (traverse).56NCOUnused.57STBSACDOUnused.58STBSP1OStrobe output to serial-parallel converter.59STBDAC1OStrobe output to ADAC.60STBPSLOStrobe output.61VSS-Connected to GND.62MSREADYIS

27、ACD ready signal input.63E2CSOChip select to EEPROM.64PROGSWIInput port of program switch.ProgressiveInterlace65ICRSTOReset signal output to periphery ICs.66VDD-Supply voltage (+3.3V).1-2 Pin Description of DVD Microcomputer : MN102LP62G (DVD AUDIO FRONT END, IC26)DV-60508CIRCUIT DESCRIPTIONPin No.P

28、in NameI/OPin Description1BIAS1IInput of bias1.2VIN1ICH1 input.3VIN2ICH2 input.4OPIN (+)INot inverted input of OP-AMP.5OPIN (-)IInverted input of OP-AMP.6OPOUTOOutput of OP-AMP.7AGND-Analog ground.8MGND-GND9P.VCC2-Power supply (+5.0V)10MUTE2-Mute control of CH2.11DGND-Digital ground.12V02 (-)ODriver

29、 CH2 output (-).13V02 (+)ODriver CH2 output (+).14V01 (-)ODriver CH1 output (-).15V01 (+)ODriver CH1 output (+).VoltageAD INPUT KEY 1AD INPUT KEY 2AD INPUT KEY 3 Pin 16 Pin 17 Pin 180VPLAY/PAUSESTOPDISC10.64V-1.35VOPEN/CLOSESKIP UP/NEXTDISC22.18VDISC SKIPSKIP DOWN/PREVDISC32.75V-DISC43.40V-DISC5Pin

30、No.Pin NameI/OPin DescriptionLogicHL67SCLK0OSIO0 clock output to communicate between mainmicrocomputer and DVD system microcomputer.68SI0ISIO0 data input to communicate between mainmicrocomputer and DVD system microcomputer.69SO0OSIO0 data output to communicate between mainmicrocomputer and DVD syst

31、em microcomputer.70SCLK1OSIO1 clock output for control ICs.71SI1ISIO1 data input for control ICs.72SO1OSIO1 data output for control ICs.73PULL UP0IUnused.74PULL UP1IUnused.75NMIIUnused.76SODCINT0IInterruption port from SODC.77SODCINT1IInterruption port from SODC.78AVINT0IInterruption 0 port from AV

32、decoder.79WMINTIInterruption port from Water Mark Detector.80AVINT1IInterruption port 1 from AV decoder.81ADSEPIUnused.82RSTIReset signal input.83VDD-Supply voltage (+3.3V).8491CPUDT07I/OBus data (07) input and output.92VSS-Connected to GND.93100CPUDT815I/OBus data (815) input and output.2. Key Matr

33、ix Pin Numbers of Sub Microcomputer3. Pin Description of ICs3-1 4ch BTL Driver : BA5823FM (DVD AUDIO FRONT END, IC5)DV-60509CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description1LPC1ILaser pin input (DVD head).2LPCO1OLaser drive output (DVD head)pin.3LPC2ILaser pin input (CD head).4LPC02OLaser drive

34、output (CD head)pin.5VFO SHORT-Setting pin for RF short mode.(Terminated to ground.)6TBALITracking balance control input.7FBALIFocus balance control input.8POFLT-Detection filter of phase difference.9DTRD-Data read.10DGT-ID gate.(Terminated to ground.)11STANDBY-Setting pin for standby mode.12SENISer

35、ial transfer enable input.13SCKISerial transfer clock input.14STDIISerial transfer data input.15RSCL-Connection pin for reference current generation resistance.16JLINE-Connection pin for input resistance.17TENIInverted input pin of tracking error output amplifier.18TEOUTOTracking error signal output

36、.19AGCBAL-AGC balance.20ASOUTOFocus addition output.21FENIInverted input pin of focus error output amplifier.22FEOUTOFocus error signal output.23AGCOFST-AGC off set.24MON-Monitor pin for checking.25AGCLVL-AGC level.26GND2-Ground for AGC.27VREF2OVREF for AGC.28VCC2-Power supply for AGC.29VHALFOVCC3/2

37、30DFLTONOAGC/equalizer output (-)31DFLTOPOAGC/equalizer output (+)32DCFLT-Capacitance connection for filter output.33GND3-Ground for logic.34RFDIFOORadial differential signal output.35RFOUTORF addition amp output36VCC3-Power supply for logic.37RFC-RF delay correction amplifier filter.Pin No.Pin Name

38、I/OPin Description16V04 (+)ODriver CH4 output (+).17V04 (-)ODriver CH4 output (-).18V03 (+)ODriver CH3 output (+).19V03 (-)ODriver CH3 output (-).20MGND-GND21MUTE4-Mute control of CH4.22P. VCC2-Power supply (+9.0V)23MGND-PRE VCC25RREVCO-Terminated to VCC (+9.0V).25VIN3ICH3 input.26LDINILoading input

39、 of CH4.27BIAS2IInput of bias2.28TRINITraverse input of CH4.29MUTE3-Mute control of CH3.30CNT-Control pin.3-2 Front End Processor IC : AN8703FH (DVD AUDIO FRONT END, IC6)DV-605010CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description1NINT0OUnused.2,5NINT(1,2)OInterruption signal (1,2) to DVD CPU.3,31,

40、57,78,125,143,VDD3-Power supply (+3.3V) for IO.156,162,1694,19,32,60,77,81,126,144,155,163,VSS-GND1706WAITODCOWait signal to DVD CPU.7NMRSTOReset output to DVD CPU (unused).8DASPSTIInitial set point of DASP signal.917,2230CPUADR(170)IAddress (170) from DVD CPU.18,76,152VDD18-Power supply (+1.8V) for

41、 IO.20,58DRAMVDD18-Power supply (+1.8V) for DRAM.21,59DRAMVSS-Ground for DRAM.33DRAMVDD3-Power supply (+3.3V) for DRAM.34MCSIChip select signal from DVD CPU.35NWRIWrite signal from DVD CPU.36NRDIRead signal from DVD CPU.3744CPUDT(70)I/ODVD CPU data (70).45CLKOUTOUnused.46MMODISwitching signal for te

42、st mode.47NRSTIReset input.48MSTPOLISwitching pin of polarity for master pin.49SCLOCKIDebug serial clock.50SDATAIDebug serial data.Pin No.Pin NameI/OPin Description38DCRF-DC cut filter pin for RF addition amplifier.39OFTROOFTR output pin.40BDOOBDO output pin.41RFENVORF envelope output.42BOTTOM-RF en

43、velope bottom detection filter pin.43PEAK-RF envelope peak detection filter pin.44AGCG-AGC loop filter pin.45AGCO-AGC off set elimination filter pin.46TESTSGISingle signal input for test.47RFINPIRF differential signal input (+).48RFINNIRF differential signal input (-).49VIN5IInternal RF (CD) input p

44、in 1.50VIN6IInternal RF (CD) input pin 2.51VIN7IInternal RF (CD) input pin 3.52VIN8IInternal RF (CD) input pin 4.53VIN9IExternal RF (DVD) input pin 2.54VIN10IExternal RF (DVD) input pin 1.55VCC1-Power supply for servo.56VREF1OVREF for servo.57VIN1(VB)IInternal RF (DVD) input pin 1.58VIN2VC)IInternal

45、 RF (DVD) input pin 2.59VIN3(VD)IInternal RF (DVD) input pin 3.60VIN4(VA)IInternal RF (DVD) input pin 4.61GND1-Ground for servo.62VIN11(VE)I3 beam sub (CD) RF input pin 2.63VIN12(VF)I3 beam sub (CD) RF input pin 1.64HDTYPE-Switching pin of reference voltage or APC circuit polarity for DVD.3-3 Digita

46、l Servo Control IC : MN103S26E (DVD AUDIO FRONT END, IC10)DV-605011CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description51OFTRIInput of off track signal.52BDOIInput of drop out signal.5356,6164PWM(18)I/OGeneral PWM (18)output.65TBALOTracking balance adjustment output.66FBALOFocus balance adjustment o

47、utput.67TRSDRVOTraverse drive output.68SPDRVOSpindle drive output.69FGIInput of motor FG.70TILTPOTilt drive output (+).71TILTOTilt drive reference output.72TILTNOTilt drive output (-).73TXOOutput signal of digital out (unused).74DTRDOSwitching signal of frequency control for data section (unused).75

48、IDGTOSwitching signal of CAPA section (unused).79OSCI1IInput of crystal oscillator (16.9344MHz).80OSCO1OOutput of crystal oscillator (unused).82TSTSGOEQ calibration signal.83VFOSHORTOOutput pin of VFO short (unused).84JLINEOSetting pin of J-LINE.85,94,102,113AVSS-Ground for analog.86ROUTOAudio outpu

49、t of MASH Rch (unused).87LOUTOAudio output of MASH Lch (unused).88,99,109,116AVDD-Power supply (+3.3V) for analog.89VCOFIControl voltage for JFVCO.90TRCRSISignal input for track cross formation.91CMPINIWOBBLE comparator input (unused).92LPFOUTOLPF output (unused).93LPFINILPF input.95HRFOUTOHPF outpu

50、t (unused).96HRFINIHPF input.97CSLFLTICapacitor for CPDET (unused).98RFDIFIRF input for CPDET.100PLFLT2ICapacitor 2 for PLL.101PLFLT1ICapacitor 1 for PLL.103RV1IResistance for reference current source.104VREFHIReference voltage input (+2.2V).105PLPLGIResistance for PLL phase gain setting (unused).10