Kenwood-DVR605-avr-sm 维修电路原理图.pdf

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1、70%DVD / AV RECEIVERDVR-605SERVICE MANUAL(DVT-605) 2002-8 PRINTED IN KOREAB51-5811-00 (K/K) 1382 MENUSTOPPLAY/PAUSEINPUT760ON SCREENVOLUMEOPEN/CLOSEPOWER-ON/OFFSTANDBYACTIVE EQENTERCS IITOP MENU/BANDDSPPRO LOGIC IIDOLBY DIGITALDTSPHONES(OPTICAL)VIDEOAUDIORLFRONT AUXDIGITALDEC cabinet (B07-2651-08)DE

2、C crystal (B10-3900-08)Con DIN socket (E63-1243-08)Pun cover (A01-3863-08)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.21 CFR 1040. 10, Cha

3、pter 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.DEC button (K29-8255-08)DEC button (K29-8256-08)DE

4、C button (K29-8251-08)Tuner assy (W02-2964-08)MLD clamp (J42-0350-08)D-REM (W02-2911-08)Conn-speaker (E70-0165-08)Con phono socket (E63-1270-08)DEC button (K29-8254-08)Phone jack (E11-0957-08)MLD indicator (B10-3897-08)IC-opt (W02-2961-08)DEC knob (K29-8249-08)DEC button (K29-8253-08)Con phono socke

5、t (E63-1290-08)Wire-MCRDM (E30-2991-08)Con phono socket (E63-1289-08)Con phono socket (E63-1271-08)Con phono socket (E63-1244-08)Con phono socket (E63-1272-08)This manual is available for U.S.A. and Canada markets.RadioFans.CN 收音机爱 好者资料库Caution on condensationCondensation (of dew) may occur inside t

6、he unit when there isa great difference in temperature between this unit and the out-side.This unit may not function properly if condensation occurs. Inthis case, leave the unit for a few hours, and restart the opera-tion after the condensation has dried up.Be specially cautious against condensation

7、 in a fol-lowing circumstances:When this unit is carried from one place to another across a largedifference in temperature, when the humidity in the room wherethis unit is installed increases, etc.Stored contents which arecleared in at least a week afterpower plug is unplugged frompower outlet.Ampli

8、fier sectionLast input selectionVolume control valueSurround settingACTIVE EQTuner sectionReceiving bandFrequencyPreset stationsTuning mode settingDVD sectionMenu setupPower statusMemory backup functionWARNING NOTICE:IN MOST CASES IT IS AN INFRINGEMENT OF COPY-RIGHT TO MAKE COPIES OF TAPES OR DISCS

9、WITH-OUT THE PERMISSION OF THE COPYRIGHT OWN-ERS. ANYONE WISHING TO COPY COMMERCIALLYAVAILABLE TAPES OR DISC SHOULD CONTACT THEMECHANICAL COPYRIGHT PROTECTION SOCIETYLIMITED OR THE PERFORMING RIGHTS SOCIETY LIM-ITED.Note related to transportation and movementBefore transporting or moving this unit,

10、carry out thefollowing operations.1Remove the disc from the unit.2Press the 6 key.3Wait a few seconds and turn the unit OFF.Operation to resetThe microcomputer may fall into malfunction (impossibilityto operate, erroneous display, etc.) when the power cord isunplugged while power is ON or due to an

11、external factor. Inthis case, execute the following procedure to reset themicrocomputer and return it to normal condition. Please note that resetting the microcomputer clears thecontents stored in and returns and to condition when it leftthe factory.Set the POWER switch to ON (set to Standby mode).T

12、hen press the key, 4 key and STOP key in thisorder.The marking this product has been classified as Class1. It means that there is no danger of hazardous radia-tion outside the product.Location: Back panelCLASS 1LASER PRODUCTThe marking of products using lasers(Except for some areas)DVR-6052CONTENTS

13、/ ACCESSORIES / CAUTIONSContentsCautionsFM indoor antenna (1)Loop antenna (1)Remote control unit (1)Batteries (R6/AA) (2) Video cord (1)Speaker cords (6) (T90-0882-08)(A70-1607-08)(E30-7265-08): RED(E30-7283-08): GREEN(E30-7284-08): BLUE(E30-7285-08): VIOLET(E30-7269-08): GREY(E30-7286-08): WHITE(T9

14、0-0896-08)(E30-1427-05)AccessoriesCONTENTS / ACCESSORIES / CAUTIONS. 2DISASSEMBLY FOR REPAIR.3BLOCK DIAGRAM .3CIRCUIT DESCRIPTION.4ADJUSTMENT.13INTERCONNECTION DIAGRAM .13PC BOARD . 14SCHEMATIC DIAGRAM . 22EXPLODED VIEW .35PARTS LIST.36SPECIFICATIONS .Back coverRadioFans.CN 收音机爱 好者资料库DVR-6053DISASSE

15、MBLY FOR REPAIR / BLOCK DIAGRAMHow to open the tray if it does not come out.1. Insert a flat driver in the drawing through the hole on the load-ing chassis bottom and pull the lever down.2. Pull out the tray frontward by hand when it comes just out.D GND6dB6dBC-VIDEODVDS-VIDEO6dB6dBDVDAGND-5.6V+5.6V

16、COMPOSITER(CR)B(CB)G(Y)CY+5.6V-5.6VAGNDR(CR)B(CB)G(Y)CYCVBSFROM SYSTEM u-COM27MHzDAC MCLKMIC INMGNDDGND+5.6VSPDIFDGNDMGND+5VAAGND+12VA-5VA+3.5V+2.5V+5V+5.5VS+9VM+12VMtoDVD & VIDEOGNDP/C5.5VSP/Dto FRONTLPFLPFLPFLPFLPFLPFINPUT12.28MHzSDATAN1SWCTSRSLFRFLDVDFROM SYSTEM u-COMSWCTSRFRSLFLSWCTSRSLFRFLCHGND

17、AM OSCFM OSC224DGNDAGNDTUNER-LTUNER-Rto u-COMAGNDBUFFERRDS DATA/CLKGNDGND845712312312F201SK21ST-BY +5VAC INPUT FOR SMPSAC2AC1+VEEVDD+FL ACFL ACFUNCTIONSECTIONCONTROLSECTIONVOLUME/TONETUNERDVDCONTROLLEDCE,CLK,DATA4094+5VA/D INPUTP/CRDS DATA/CLKPOWER DOWNTO SMPSDETECTDCPROTECTDGNDHEADPHONEDETECTH/P MU

18、TE17dBC/SMUTESUB WOOFERW/FMUTE-29.5V29.5VMIC DET+-27VFL+6DC PROTECTIONS/WCENTERS/WGNDSRSLFRGNDFL15324153241253412F25215324230V115VGNDGNDGND+3.3V+5V+15V-15VAV AUX(FRONT)SAT/CABLEVCR OUTVCR INMONITORMONITORVIDEOSWITCHINGIC61MPEGPROCESSORSDRAMFLASHEEPROMADCMECHANISMCONTROLLOADPLL ICDACAUDIO-IC64SECTION

19、DVDSMPS FORDVD & VIDEOFOR DVDAC INPUTAUX(F)SAT/OPTICALOPTICALOUTPUTDIGITAL INPUT(OPTICAL)DIRAUDIODIGITALADC &DACIC33IC31IC39IC37,38IC11VOLUME &MASTERTONECIRCUITIC15-BIC15-AIC16-BIC16-AIC17-BIC17-AGNDAMFM75ANTENNAAM RFFRONT-ENDFMIF AMPFM/AMDECODERRDSIF+MPXPLLTUNER MODULEVCR INVCR OUTAUX/FRONTSAT/CABL

20、EIC14IC13AUDIOSWITCHN112N111P2AC INPUTSTAND -BYCONTROLQ251D22IC51SYSTEM u-COMHNV-11SM18FL DISPLAYIC81REGISTERSHIFTFRONT KEYFUNCTIONNJ83PROTECTIONQ24,25HEAD-PHONEIC12HEADPHONEAMPVIDEO INPUTQ30,31REC OUTDIGITALINDATADATADIGITALDATACABLEPROCESSORDIGITALOUT(ASSY)MIC JACKIC82MIC AMP(M) TYPE ONLYIC34-BIC3

21、4-AIC36-BIC36-AIC35-BIC35-AQ23IC23+15VD30D29D28D27-15VIC24+3.3VIC25D24D23IC26+5.0VIC21IC20IC19IC18NJ11-CNJ11-BNJ11-AIC22SPKRRLYSK13RLYSK12SPKRSPKRRLYSK11N251P2N252P252(M,M2,Y) TYPE ONLYLOOPS-VIDEONJ34NJ35OUTOUTPREAMPP251SURROUNDDSP BDDVR-605BLOCK DIAGRAMDISASSEMBLY FOR REPAIR DVR-6054CIRCUIT DESCRIP

22、TIONPin No.Pin NameI/OPin DescriptionPIOs and communication1PIO2(5) RGB SEL(BLANK)I/ORGB sel (blank). unused 2PIO2(6) VIDEO MUTEI/OVideo mute control.3PIO2(7) 16: 9 INDICATORI/O16 : 9 indicator (unused).6PIO3(0) SCART H (TV/AUX)I/OUnused.7PIO3(1) I/OUnused.8PIO3(2) OCSB9PIO3(3)OSDIN10PIO3(4) IR REMO

23、CONI/OUnused.11PIO3(5) OSCLK12PIO3(6)I/OUnused.13PIO3(7) DVD RESETI/OPower- on reset of front-end module.Front-end16B DATAII2S Data17B BCLKII2S Bit clock18B FLAGII2S Error flag19B SYNCI/OI2S Sector / ABS timeReserved20B WCLKI/OUnused.21B V4I/OUnused.22NRSS OUTI/OUnused.23VDD RGB-Supply voltage for R

24、GB (+3.3VA).24VSS RGB-GNDVideo DAC25,26,27B/G/R (OUT)OB/G/R signal outputs.28V REF RGIReference voltage input for DAC RGB.29I REF RGIReference current input for DAC RGB.30VDD YCC-Supply voltage for YCC (+3.3VA).31VSS YCC-GND3234Y/C/CV (OUT)OY/C/CV signal outputs.35V REF YCCIReference voltage input f

25、or DAC YCC.36I REF YCCIReference current input for DAC YCC.PIOs and communication39PIO4(0)HP MUTE-Unused.40PIO4(1)-Unused.41PIO4(2) ODAC system clock output.42PIO4(3) DAC RESETODAC reset output.43PIO4(4) PLL CSODAC mute control.44PIO4(5) DAC CLOCKODAC clock output45PIO4(6) DAC DATAODAC data output.4

26、6PIO4(7) DAC CSODAC chip select.Audio DAC48VDD PCM-Supply voltage for PCM (+3V3).49VSS PCM-Ground for PCM.51DAC SCLK (BCK)ODAC over sampling clock.52DAC PCMOUT0 (DATA)ODAC PCM data out 0.53DAC PCMOUT1ODAC PCM out 1 (unused).54DAC PCMOUT2ODAC PCM out 2 (unused).55DAC PCMCLKODAC PCM clock.56DAC LRCLKO

27、DAC PCM Left/Right clock.57SPDIF OUTOAudio digital data output.Shared memory interface5863SMI ADR(49)OSDRAM address bus.6669SMI ADR(30)OSDRAM address bus.1. Pin Description of MPEG Processor IC (DVD Part IC61)DVR-6055CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin Description7073SMI ADR(1013)OSDRAM address

28、 bus.74SMI CS(0)OChip select bank 0.75SMI CS(1)-Unused.76SMI RASOSDRAM RAS77SMI CASOSDRAM CAS78SMI WEOSDRAM write enable.79SMI DQMLODQ MASK enable low.80SMI DQMUODQ MASK enable up.82SMI CLKINISDRAM clock input.8493SMI DATA(09)I/OSDRAM data bus.95SMI CLKOUTOSDRAM clock out.97102SMI DATA(1015)I/OSDRAM

29、 data bus.Reserved103ADC SCLKI/OADC digital audio port clock.104ADC LRCLKI/OADCsample rate clock.105ADC DATAIADC digital audio data input.106ADC PCMCLKOCrystal input or master clock input.JTAG109TRSTITest reset from emulator module.110TMSITest mode select.111TDOOTest data out to emulator module.112T

30、DIITest data input from emulator module.113TCKITest clock input from emulator module.Timers114PWM2I/OUnused.115PWM1I/OROM boot option port (voltage low = emulator booting).116PWM0I/OUnused.EMI Interface117CPU OEI/OFlash ROM output enable118CPU PRO CLKOSDRAM clock (unused).Clock & Reset120PIX CLKI27M

31、Hz main clock input.122VDD PLL-Supply voltage for PLL (+3V3).123VSS PLL-Ground for PLL.124RESETIChip reset input.Interrupt125IRQ(2)IInterrupt request 2 from front-end module.126IRQ(1)IUnused.127IRQ(0)IUnused.EMI Interface128CPU BE(0)OBYTE 0 Enable129CPU BE(1)OBYTE 1 Enable130CPU RWOUnused.131CPU WAI

32、TIWait state (connected to ground).132CPU CE(3)OFlash ROM chip select.133CPU CE(2)OFlash ROM down-load JIG module select.134CPU CE(1)OUnused135CPU CE(0)OUnused.138CPU RAS1I/OUnused.139CPU CAS0OUnused.140CPU CAS1OUnused.141148CPU DATA(07)I/OFlash ROM data input/output (07).151158CPU DATA(815)I/OFlash

33、 ROM data input/output (815).161170CPU ADR(110)OFlash ROM address (110).173183CPU ADR(1121)OFlash ROM address (1121).DVR-6056CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1GRID2OFIP Grid output.2GRID1OFIP Grid output.3NC-Connected to VDD.4POWER DOWNIPower down check.5RDS CLKIRDS clock input.6DVD R

34、XIDVD UART interface (RX).7RDS OPTION-Unused.8RMCIRemote controller signal input.9RDS DATAIRDS data input.10SM7346 CLKOVolume IC (IC11) clock output.11SM7346 DATAOVolume IC (IC11) data output.12ENCODER UPIEncoder (1) signal input.13ENCODER DWIEncoder (2) signal input.14DVD TXODVD UARTinterface (TX).

35、15DVD RSTODVD reset signal output.Pin No.Pin NameI/OPin DescriptionPIOs and communication186PIO0(0) T STROBEI/OUART0 data187PIO0(1) MOD SWI/OATAPI RD188PIO0(2)OUnused.189PIO0(3) OUnused.190PIO0(4) OUnused.191PIO0(5) IUnused.192PIO0(6) SLIDER SENSORI/ODetection port of slider sensor for DVD mechanism

36、.OPEN/CLOSE (DRAWER POSITION)193PIO0(7) SLIDER INI/OControl port of slider (IN) for DVD mechanism.(DRAWER CCW/CTRL)194PIO1(0) SDAI/OSSC0 data (MTSR out / MRST in)195PIO1(1) SCLI/OSSC0 clock196PIO1(2) SLIDER OUTI/OControl port of slider (OUT) for DVD mechanism.(DRAWER CW CTRL)197PIO1(3) TXD(JIG)I/OUA

37、RT2 TXD200PIO1(4) RXD(JIG)I/OUART2 RXD201PIO1(5) FRONT TXDII/OUART1 TXD202TRIGGER INI/OTrigger input from JIG.203TRIGGER OUTI/OTrigger output from JIG.204PIO2(0) H/P-Unused.205PIO2(1) FRONT RXDI/OUART1 RXD206PIO2(2) IUnused.207PIO2(3) -Unused.208PIO2(4) AUDIO MUTEOAudio mute control.Power supply4,47

38、,81,107VDD3 3-3.3V Power supply.136,159,18414,37,64,94119,149,171VDD2 5-2.5V Power supply.1985,15,38,50,6583,96,108,121VSS-GND137,150,160172,185,199M Type only2. Pin Description of System Microcomputer : CXP82860(Microprocessor IC51)DVR-6057CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription16DSP A. BO

39、OSTODSP auto boot. 17H/P CHKIDetection pin of headphones jack.18CS8415A-CEODIR IC (IC39) chip enable.19EMPHASISOCS4228 DAC IC emphasis ON/OFF 20TUNEDITuned signal input for tuner.21DSP INTREQODSP INT request.224094CEO4049 (IC81)chip enable.23CS49326 CEOCS49326 DSP IC (IC33) chip enable.24CS4228 CEOC

40、S4228 DAC IC (IC31) chip enable.25DSP CLKOCS49326 DSP IC (IC33) clock output.26CS49326 DATA INICS49326 DSP IC (IC33) data input.27DSP DA OUTOCS49326 DSP IC (IC33) data output.28VREFIA/D reference voltage input.29PROTECTIAMP protection input.30KEY INIA/D key input.31EEPROM DATAI/OEEPROM (IC52) data o

41、utput.32KEY2 INIA/D key input.338415 DA INICS8415 DIR IC (IC39) data input.34DVD OPTIONISetting pin for the destination.35PLL DATA INIPLL data input.36STEP OPTIONISetting pin for tuner destination.37VSS(G)IAnalog ground.38RSTIReset signal input.39EXTALICrystal resonator (10MHz) connection.40XTALOCry

42、stal resonator (10MHz) connection.41GND-Digital ground.42NCOUnused.43GND-GND44VDDIDigital ground.45VFDPIPower supply for VFDP. 46STANDBYOControl pin for power relay on/off.47SPK RELAYOControl pin for speaker relay on/off.48SUB ON/OFFOGain control for sub woofer.49CS8415 RSTOCS8415 (IC39) reset signa

43、l output.50PLL CEOPLL chip enable.51PLL CLKOPLL clock output.52PLL D OUTOPLL data output.53A CLKOCommon clock (LC7821,BU4094) output.54A DATAOCommon data (LC7821,BU4094) output.55EEPROM CLKOEEPROM (IC52) clock output.5659VIDEO (SW1SW4)OControl pin for video.604228 RSTOCS4228 (IC31) reset signal outp

44、ut.61LC7821 CEOLC7821(tuner pack) chip enable.62SM7346 CEOVolume IC (Main IC11) chip enable.63T MUTEOTuner mute control.64S MUTEOMute control pin for surround signal65C MUTEOMute control pin for center signal.66F MUTEOMute control pin for front signal.67W MUTEOMute control pin for sub woofer signal.

45、68CS49326 RSTOCS49326 DSP IC (IC5) reset signal output.6971DSP (A15A17)ODSP ROM address (SEL 13).7288SEG (117)OFIP segment output.89VDD-Digital power supply.90,91SEG18,19OFIP segment output.92-100GRID (113)OFIP Grid output.DVR-6058CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1LRCINIDAC sample rat

46、e clock input : PCM input modeRight channel DSD bitstream input : DSD input mode2DINISerial audio data input : PCM input modeLeft channel DSD bitstream input : DSD input mode3BCKINIAudio data bit clock input.4MCLKIMaster clock input.5ZEROOInfinite zero detect flag.6DGND-Digital ground supply.7DVDD-D

47、igital positive supply.8VOUTRORight channel DAC output.9AGND-Analog ground supply.10AVDD-Analog positive supply.11VOUTLOLeft channel DAC output.12VMIDOMid rail decoupling point.13VREFN-DAC negative reference.14VREFP-DAC positive reference.15CSBIWLISoftware mode : 3-wire serial control chip selectHar

48、dware mode : Input word length16MODEIControl mode selection.17MUTEB-Mute control. L = Mute on, H = Mute off18SDIDEM-Software mode : 3 or 2-wire serial control data inputHardware mode : De-Emphasis select19SCKDSDISoftware mode : 3 or 2-wire serial control clock inputHardware mode : DSD bitstream oper

49、ation select20LAT12SISoftware mode : 3-wire serial control load inputHardware mode : Input data format selectionPin No.Pin NameI/ODescription38CLKIThe system clock input. all other inputs are registered to the SDRAM onthe rising edge of CLK.37CKE-Controls internal clock signal and when deactivated,

50、the SDRAM will be oneof the states among power down, suspend or self refresh.19CS-Enables or disables all inputs except CLK, CKE, and DQM.20,21BA0,BA1-Selects bank to be activated during RAS activity. Selects bank to be read/written during CAS activity.2226A0A11-Row address : RA0RA11, Column address