Kenwood-DV6050-cd-sm 电路图 维修手册.pdf

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1、MULTIPLE DVD/VCD/CD PLAYER DV-6050 SERVICE MANUAL 2002-10 PRINTED IN KOREA B51-5831-00 (K/K) 1382 In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product safety. KENWOOD Corp. certifies this equipment conforms to DHHS Regulat

2、ions No.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. 73 0 POWER STANDBY

3、ON OFF 4 DISC SKIP SEQUENCE MODE DISC 1DISC 2DISC 3DISC 4DISC 5 Cabinet 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)x2 Clamp AC cord (J42-0350-0

4、8) Wire-MCRDM (E30-7250-08) Slide 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 uni

5、t .(1) (A70-1631-08) Coaxial cable .(1) (E30-7235-08) DV-6050 2 CONTENTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 DISASSEMBLY FOR REPAIR.3 CIRCUIT DESCRIPTION.4 ADJUSTMENT.19 INTERCONNECTION DIAGRAM .20 PC BOARD . 21 SCHEMATIC DIAGRAM . 28 EXPLODED VIEW .43 PARTS LIST.44 SPECIFICATIONS .Back cover C

6、ontents Accessories The marking of products using lasers (For countries other than U.S.A., U.S.- Military and Canada) The marking this product has been classified as Class 1. It means that there is no danger of hazardous radiation outside the product. Location: Back panel CLASS 1 LASER PRODUCT Insid

7、e this laser product, a laser diode classified as Class 2 laser radiation is contained as alerted by the internal caution label shown above. Do not stare into beam. Location: DVD laser pick-up unit cover inside this product CAUTION VISIBLE LASER RADIATION WHEN OPEN. DO NOT RadioFans.CN 收音机爱 好者资料库 DV

8、-6050 3 DISASSEMBLY FOR REPAIR 1x9 1. How to open the tray if it does not come out. 1. Remove the plastic plate. 2. Turn the gear fully CCW using a flat driver and so on in the drawing through the hole on the loading chassis bot- tom. 3. Pull out the tray frontward by hand when it comes just out. Di

9、sassembling and Assembling the DVD mechanism, DVD BD and OUT BD FTMS for Video Sig- nal Adjustment 1. To release the rear panel, remove screws (1x9)and optical cap. x2 4 2 POWER SWITCH LEVER 3 3 4 4 N314 N315 N312 4 3 2. Remove screws (2x2) and OUT BD FTMS. 3. Remove connectors (3X3), power switch l

10、ever and screws (4x4). Fig. 1 Fig. 2 RadioFans.CN 收音机爱 好者资料库 DV-6050 4 DISASSEMBLY FOR REPAIR x45 BOTTOM VIEW CN1 CN74 CN15 CN53 CN33 CN55 CN2 4. 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,C

11、N74) and disconnect 3 flexible cables (CN1,CN2,CN33). 8. For the assembly procedure, follow the item 5 to 3 in reverse. 9. Set up the DVD BD on the top as figure 5. Fig. 3 Fig. 4 10.Connect a jig (E35-2113-05) to CN33 instead of an origi- nal flexible cable (E35-1990-05). CN33 Parts No.Remark (Flexi

12、ble cable) OriginalE35-1990-0522cm JIGE35-2113-0535cm * * (This is a jig for video signal adjustment, after adjusted it put back to an original flexible cable.) 11.Plug in the connectors (CN15,CN53) and connect 2 flexi- ble cables (CN1,CN2). * Note : The connectors (CN55, CN74) are for audio sig- na

13、l line so that no necessary to put it back when video signal output adjustment. CN1 CN33 CN53 CN15 CN2 GND Use an Instalting Material 12.Follow the item 2 and 1 in reverse. 13.Gruond DVD BD and rear panel as figure 5. 14.Follow the video signal output adjustment procedure. Fig. 5 DV-6050 5 CIRCUIT D

14、ESCRIPTION VDAC : NTSC/PAL ENCODER VOUT FLI2200 CS4382 IC6 IC10 IC30 IC28 IC41 IC32 IC50 IC3 IC1 ADV7170SU ADV7196 IC26 IC11 IC10 M95040 IC11 TVP503AN8703FHVOUT AVIF2 SPDIF 3 6chOUT 2chOUT 88 MN5B00 3 SIO13 816 BUS16 BU2092FV 3SST39VF1603 I2C SIO0 API3 PUFEPMN103S26E SODC AV Decoder MN67 7531 64M SD

15、RAM VDAC ADAC SERIAL- PARALLER FLASH ROM 16M bits EEROM 4k bytes SETUP REGION KEY SUB com MN101C35D KEYFL LED MECHA. CONTROL REMOTE CONTROLLER WATER MARK DETECTION DVD com MN102LP62G Progre ssive VDAC DRAM 2Mbyte DriverADAC 1. Microcomputer Periphery Block Diagram DV-6050 6 CIRCUIT DESCRIPTION Pin N

16、o.Pin NameI/OPin Description 1DATA 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 power supply (+5.0V). 9X-TALOMaster clock (8.0MHz)

17、 output. 10EXTALIMaster clock (8.0MHz) input. 11VSS-GND 12NCIUnused. 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 model type (5.0V). 21INPUT REGION TYPE 1

18、IAD 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 port of rotary motor. 30ROULET

19、TE 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 SENSORIDetection port o

20、f 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/off control port

21、 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 (G12G1).

22、 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-6050 7 C

23、IRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description Logic HL 1WAITIBus wait port. 2 NRD(ODC/AVDEC OBus read port for ODC/AV Decoder/SRAM. /SRAM) 3NWELOBus read port for AV Decoder/RAM. 4 NWEH(ODC/AVDEC OBus read port for ODC/AV Decoder/SRAM/ROM. /SRAM/ROM) 5RAMCS(SRAM)OSRAM chip select. 6ODCCSOODC

24、chip select. 7AVCS(AVDEC)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 outp

25、ut for AV decoder. 19VSS-Connected to ground. 20XIIUnused. 21XOOUnused. 22VDD-Supply voltage (+3.3V). 23OSCI(CLK135)ISystem clock input (13.5MHz). 24OSCOOUnused. 25MODEIProcessor mode selection. Expension Mode 2633CPUADR411OBus address (411). 34AVDD-Supply voltage (+3.3V). 3542CPUADR1219OBus address

26、 (1219). 43VSS-Connected to ground. 44CPUADR20OBus address (20). 45CDHOSwitching of DAC.CD Except CD 46HFMONOHF monitor output of ADSC. 4725BSYOWriting busy data output.NormalBusy 48KMODEISelection of writing mode for the ROM.WritingNormal 49196BSYIBusy data input.NormalBusy 50FROMWROEnable control

27、for writing jig. 51TRVSWIInput port of traverse switch.OffOn 52AMUTEOAudio 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 AD

28、AC. 60STBPSLOStrobe output. 61VSS-Connected to GND. 62MSREADYISACD ready signal input. 63E2CSOChip select to EEPROM. 64PROGSWIInput port of program switch.ProgressiveInterlace 65ICRSTOReset signal output to periphery ICs. 66VDD-Supply voltage (+3.3V). 1-2 Pin Description of DVD Microcomputer : MN102

29、LP62G (DVD AUDIO FRONT END, IC26) DV-6050 8 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description 1BIAS1IInput 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-GND 9P.VCC2-Power

30、 supply (+5.0V) 10MUTE2-Mute control of CH2. 11DGND-Digital ground. 12V02 (-)ODriver CH2 output (-). 13V02 (+)ODriver CH2 output (+). 14V01 (-)ODriver CH1 output (-). 15V01 (+)ODriver CH1 output (+). Voltage AD INPUT KEY 1AD INPUT KEY 2AD INPUT KEY 3 Pin 16 Pin 17 Pin 18 0VPLAY/PAUSESTOPDISC1 0.64V-

31、 1.35VOPEN/CLOSESKIP UP/NEXTDISC2 2.18VDISC SKIPSKIP DOWN/PREVDISC3 2.75V-DISC4 3.40V-DISC5 Pin No.Pin NameI/OPin Description Logic HL 67SCLK0O SIO0 clock output to communicate between main microcomputer and DVD system microcomputer. 68SI0I SIO0 data input to communicate between main microcomputer a

32、nd DVD system microcomputer. 69SO0O SIO0 data output to communicate between main microcomputer and DVD system microcomputer. 70SCLK1OSIO1 clock output for control ICs. 71SI1ISIO1 data input for control ICs. 72SO1OSIO1 data output for control ICs. 73PULL UP0IUnused. 74PULL UP1IUnused. 75NMIIUnused. 7

33、6SODCINT0IInterruption port from SODC. 77SODCINT1IInterruption port from SODC. 78AVINT0IInterruption 0 port from AV decoder. 79WMINTIInterruption port from Water Mark Detector. 80AVINT1IInterruption port 1 from AV decoder. 81ADSEPIUnused. 82RSTIReset signal input. 83VDD-Supply voltage (+3.3V). 8491C

34、PUDT07I/OBus data (07) input and output. 92VSS-Connected to GND. 93100CPUDT815I/OBus data (815) input and output. 2. Key Matrix Pin Numbers of Sub Microcomputer 3. Pin Description of ICs 3-1 4ch BTL Driver : BA5823FM (DVD AUDIO FRONT END, IC5) DV-6050 9 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Desc

35、ription 1LPC1ILaser pin input (DVD head). 2LPCO1OLaser drive output (DVD head)pin. 3LPC2ILaser pin input (CD head). 4LPC02OLaser drive output (CD head)pin. 5VFO SHORT-Setting pin for RF short mode.(Terminated to ground.) 6TBALITracking balance control input. 7FBALIFocus balance control input. 8POFLT

36、-Detection filter of phase difference. 9DTRD-Data read. 10DGT-ID gate.(Terminated to ground.) 11STANDBY-Setting pin for standby mode. 12SENISerial transfer enable input. 13SCKISerial transfer clock input. 14STDIISerial transfer data input. 15RSCL-Connection pin for reference current generation resis

37、tance. 16JLINE-Connection pin for input resistance. 17TENIInverted input pin of tracking error output amplifier. 18TEOUTOTracking error signal output. 19AGCBAL-AGC balance. 20ASOUTOFocus addition output. 21FENIInverted input pin of focus error output amplifier. 22FEOUTOFocus error signal output. 23A

38、GCOFST-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 30DFLTONOAGC/equalizer output (-) 31DFLTOPOAGC/equalizer output (+) 32DCFLT-Capacitance connection for filter output. 33GND3-Ground for log

39、ic. 34RFDIFOORadial differential signal output. 35RFOUTORF addition amp output 36VCC3-Power supply for logic. 37RFC-RF delay correction amplifier filter. Pin No.Pin NameI/OPin Description 16V04 (+)ODriver CH4 output (+). 17V04 (-)ODriver CH4 output (-). 18V03 (+)ODriver CH3 output (+). 19V03 (-)ODri

40、ver CH3 output (-). 20MGND-GND 21MUTE4-Mute control of CH4. 22P. VCC2-Power supply (+9.0V) 23MGND-PRE VCC 25RREVCO-Terminated to VCC (+9.0V). 25VIN3ICH3 input. 26LDINILoading input of CH4. 27BIAS2IInput of bias2. 28TRINITraverse input of CH4. 29MUTE3-Mute control of CH3. 30CNT-Control pin. 3-2 Front

41、 End Processor IC : AN8703FH (DVD AUDIO FRONT END, IC6) DV-6050 10 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description 1NINT0OUnused. 2,5NINT(1,2)OInterruption signal (1,2) to DVD CPU. 3,31,57,78,125,143, VDD3-Power supply (+3.3V) for IO. 156,162,169 4,19,32,60,77,81, 126,144,155,163,VSS-GND 170 6

42、WAITODCOWait 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 IO. 20,58DRAMVDD18-Power supply (+1.8V) for DRAM. 21,59DRAMVSS-Ground for DRAM. 33DRAMVDD3-Power

43、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 test mode. 47NRSTIReset input. 48MSTPOLISwitching pin of polarity for master pin. 49SCLOCKI

44、Debug serial clock. 50SDATAIDebug serial data. Pin No.Pin NameI/OPin Description 38DCRF-DC cut filter pin for RF addition amplifier. 39OFTROOFTR output pin. 40BDOOBDO output pin. 41RFENVORF envelope output. 42BOTTOM-RF envelope bottom detection filter pin. 43PEAK-RF envelope peak detection filter pi

45、n. 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 pin 1. 50VIN6IInternal RF (CD) input pin 2. 51VIN7IInternal RF (CD) input

46、 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 RF (DVD) input pin 2. 59VIN3(VD)IInternal RF (DVD) input pin 3

47、. 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 Digital Servo Control IC : MN103S26E (DVD AUDIO FRONT END, IC1

48、0) DV-6050 11 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description 51OFTRIInput of off track signal. 52BDOIInput of drop out signal. 5356,6164PWM(18)I/OGeneral PWM (18)output. 65TBALOTracking balance adjustment output. 66FBALOFocus balance adjustment output. 67TRSDRVOTraverse drive output. 68SPDRVOSpindle drive output. 69FGIInput of motor FG. 70TILTPOTilt drive output (+). 71TILTOTilt drive r