Kenwood-DVK751-cd-sm 维修电路原理图.pdf

In compliance 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.AVOID DIRECT EXPOSURE TO BEAMCaution : No connection of ground line if disassemble theunit. Please connect the ground line on rearpanel, PCBs, Chassis and some others.NOTE : Please replace the mechanism PCB(W02-266x-05) with new one, if it ismalfunction.CD/VIDEO-CD/DVD PLAYERDV-K751/S701SERVICE MANUAL 1998-8/B51-5468-00 (K/K) 3547Illust. is DV-K751.* Refer to parts list on page 33.73?4?1MIC 2MIC 1POWER- ON OFFON / STANDBYSHUTTLE0w?8/MIC LEVELMIC 1MIC 2FLDISPLAY(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTCENTERS VIDEOOUTPUTVIDEOOUTPUTMIX LINEOUTPUT SUBWOOFER SURROUNDFRONT6CH. OUTPUTLR12SYSTEMCONTROLKnob (K29-6835-22)Indicator (B12-0311-04)AC power cord *(E30-)Phono jack(E63-1064-05)Phono jack (E63-1052-05)Power cord bushing(J42-0083-05)Phono jack(E11-0366-05)Knob (K27-2249-04)Knob (K29-6835-22)Phono jack(E63-0128-05)Phono jack(E63-0122-05)Cylindrical receptacle(E56-0014-05)Oscillating module(W02-1114-05)Dressing panel (A21-3728-03)Knob (K29-6677-03)Panel *(A60-)Dressing panel (A21-3627-12)Miniature phone jack(E11-0188-05)Knob (K29-6679-03)Front glass(B10-2386-12)Knob(K29-6835-22)Knob (K29-6945-04)DV-K751(K) COVER1,1( 98.12.12 15:04 yW 2RadioFans.CN 收音机爱 好者资料库Audio (E30-0505-05)(E30-1427-05)(E30-2365-05)(E30-2733-05)cord (Red, White) . (3)Remote (A70-1231-05): RC-D0703: M2T1E1(A70-1243-05): RC-D0704: K(A70-1244-05): RC-D0706: M1C1Battery cover (A09-1105-05)control unit. (1)Batteries (R6/AA) . (2)Digital cord (Orange). (1)Video cord (Yellow). (1)System control cord . (1)AC (E03-0115-05)plug adaptor . (1)Use to adapt the plug on the power cord to the shapeof the wall outlet.(Accessory only for regions where use is necessary.)DV-K751/S7012CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES .2CAUTIONS.3CONTROLS .4BLOCK DIAGRAM .8CIRCUIT DESCRIPTION.9ADJUSTMENT. 10PARTS DESCRIPTIONS .12PC BOARD .13SCHEMATIC DIAGRAM .17EXPLODED VIEW .30PARTS LIST.33SPECIFICATIONS .43ContentsAccessoriesDV-K751(K) COVER1,1( 98.12.12 15:04 yW 3RadioFans.CN 收音机爱 好者资料库DV-K751/S7013CAUTIONSOperation to resetThe microprocessor may fall into malfunction (impossibility to operateerroneous display, etc.) when the power cord is unplugged while poweris ON or due to an external factor. In this case, execute the followingprocedure to reset the microprocessor and return it to normal condi-tion.Please note that resetting the microprocessor clears the contentsstored in, it returns the microprocessor to the condition when it leftthe factory.Perform the following operation.1 Press the POWER key to the ON position.2 Press the ON/STANDBY () key to ON.3 Wait for a few seconds to ensure that the display shows “NODISC”.4 While holding the 7 key, press and hold the ON/STANDBY() key until “INITIAL OK!” appears.N OD I S CNote related to transportation and move-mentBefore transporting or moving this unit, be sure to remove anydisc from it and carry out the following operation.1. Press the POWER key to the ON position.2. Press the ON/STANDBY () key to ON.3. Wait a few seconds and verify that the display shown appears.4. Set the POWER key to OFF.Operation to resetThe microprocessor may fall into malfunction (impossibility to operateerroneous display, etc.) when the power cord is unplugged while poweris ON or due to an external factor. In this case, execute the followingprocedure to reset the microprocessor and return it to normal condi-tion.Please note that resetting the microprocessor clears the contentsstored in, it returns the microprocessor to the condition when it leftthe factory.Perform the following operation.1 Press the MAIN POWER key to the ON position.2 Press the REMOTE POWER key to ON.3 Wait for a few seconds to ensure that the display shows “NODISC”.4 While holding the 7 key, press and hold the REMOTE POWER keyuntil “INITIAL OK!” appears.N OD I S CNote related to transportation and move-mentBefore transporting or moving this unit, be sure to remove anydisc from it and carry out the following operation.1. Press the MAIN POWER key to the ON position.2. Press the REMOTE POWER key to ON.3. Wait a few seconds and verify that the display shown appears.4. Set the MAIN POWER key to OFF.WITH ON/STANDBY KEYWITH REMOTE POWER KEYDV-K751(K) COVER1,1( 98.12.12 15:04 yW 6DV-K751/S7014CONTROLS7341MIC 2MIC 1POWER- ON OFFON / STANDBYSHUTTLE0w8/MIC LEVELMIC 1MIC 2FLDISPLAY168324570!#$%DVD VCDCDP.B.C.DOLBYDIGITALRANDOMPROG.STEREOANGLEPCMREPEAT ALLLRTITLE CHAPTER TRACKAB?KARAOKE9POWER- ON OFFDisplay / Main unit (DV-K751)L, STEREO, R indicatorsCharacter information displayOperation indicators3 :Play8 :PauseDVD, VCD, CD indicatorsSpecial playback related indicatorsDisplayVCD and CD related indicatorsDVD related indicators1 ON/STANDBY () keyPress to turn power of the unit from on to standby or vice versa.2 Standby indicator3 Remote control sensor4 FL DISPLAY key5 DVD indicatorLights when a DVD disc is played.6 Disc tray7 Open/Close (0) key8 SHUTTLE (1, ) keys9 POWER (POWER) keyPress to turn the power of the unit between the standby and offmodes.0 MIC 1 and MIC 2 jacks! MIC 1 levelup:down : MIC 2 levelup:down :# Skip down (4) / up () keys$ Still/Pause () key% Stop (7) key Play (3) key* The panelindications arevariable dependingon the area wherethe nuit ismarketed.About the standby modeWhile the standby indicator is lit, a small amount of power is supplied to the system to back up the memory. This is called thstandby mode. Under that condition, the system can be turned ON by the remote control unit.7341POWER- ON OFFON / STANDBYSHUTTLE0w8/TEXTDISPLAYALLINFO.TITLESEARCH REPEATFLDISPLAY16832457$%&0! #DVD VCDCDP.B.C.DOLBYDIGITALRANDOMPROG.STEREOANGLEPCMMPEGREPEAT ALLLRTITLE CHAPTER TRACK CD TEXTAB?9Display / Main unit (DV-S701)L, STEREO, R indicatorsCharacter information displayOperation indicators3 :Play8 :PauseDVD, VCD, CD indicatorsSpecial playback related indicatorsAbout the standby modeWhile the standby indicator is lit, a small amount of power is supplied to the system to back up the memory. This is called thestandby mode. Under that condition, the system can be turned ON by the remote control unit.DisplayVCD and CD related indicatorsDVD related indicators1 ON/STANDBY () keyPress to turn power of the unit from on to standby or vice versa.2 Standby indicator3 Remote control sensor4 FL DISPLAY key5 DVD indicatorLights when a DVD disc is played.6 Disc tray7 Open/Close (0) key8 SHUTTLE (1, ) keys9 POWER keyPress to turn the power of the unit between the standby and offmodes.0 TEXT DISPLAY key! ALL INFO. key TITLE SEARCH key# REPEAT key$ Skip down (4) / up () keys% Still/Pause () key Stop (7) key& Play (3) keyDV-K751(K) COVER1,1( 98.12.12 15:04 yW 7DV-K751/S7015CONNECTIONS(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTCENTERS VIDEOOUTPUTVIDEOOUTPUTMIX LINEOUTPUT SUBWOOFER SURROUNDFRONT6CH. OUTPUTLR12SYSTEMCONTROLOPTICAL IN/Optical fiber cable (commercially available)Monitor TV(commercially available)DV-S701(OTHER AREA)/DV-K751To wall ACoutletNotesNotesNotesCOAXIAL IN/Digital cord (75coaxial) (provided)AV CONTROL CENTER (sold separately) orreceiver (sold separately)VIDEO OUT/Video cord (75coaxial) (commercially available)S-VIDEO INS-VIDEO OUT/S-VIDEO cord (commercially available)VIDEO INCENTER IN/Audio cord (provided)SUBWOOFER IN/Audio cord (provided)FRONT L/R IN/Audio cord (provided)SURROUND L/R IN/Audio cord (provided)S-VIDEO IN/S-VIDEO cord (commercially available)VIDEO IN/Video cord (75coaxial) (provided)Connect the cords and cables according to the jacks available on the connected AV receiver.* If you want to usethe macro functionof a KENWOOD AVCONTROL CENTER(sold separately),connect this playerto a wall AC outlet.Be sure to set thePOWER switch onthe front panel ofthis unit to OFFwhen you are goingto leave the unitunattended forgoing out of thehouse, etc.Make connection as shown below. When connecting therelated system components, refer also to the instructionmanuals of the related components. Caution: Do not plug in the power lead until all connec-tions are completed.1. Connect all cords firmly. If connections are loose, there could be loss of sound or noise produced.2. When plugging and unplugging connection cords, be sure to first remove the power cord from the AC outlet. Plugging/unpluggingconnection cords without removal of the power cord can cause malfunctions or damage to the unit.The VIDEO OUTPUT jacks should be connected directly to the TV. Donot connect them to the TV via a VCR. Otherwise the played videomay be disturbed due to the copy protection function.Initial setupSet initial setup 6. TV Aspect according to the aspect ratio (4:3 or16:9) of your TV.SYSTEM CONTROL IN/System control cord (provided)Stereo system (commercially available)* The connected components shown here are typical examples.(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTS VIDEOOUTPUTVIDEOOUTPUTAUDIOOUTPUTLR1122SYSTEMCONTROLOPTICAL IN/Optical fiber cable (commercially available)Monitor TV(commercially available)DV-S701(U.S.A.)To wall ACoutletNotesNotesNotesCOAXIAL IN/Digital cord (75coaxial) (provided)VIDEO OUT/Video cord (75coaxial) (commercially available)S-VIDEO INS-VIDEO OUT/S-VIDEO cord (commercially available)VIDEO INFRONT L/R IN/Audio cord (provided)S-VIDEO IN/S-VIDEO cord (commercially available)VIDEO IN/Video cord (75coaxial) (provided)Connect the cords and cables according to the jacks available on the connected AV receiver.* If you want to usethe macro functionof a KENWOOD AVCONTROL CENTER(sold separately),connect this playerto a wall AC outlet.Be sure to set thePOWER switch onthe front panel ofthis unit to OFFwhen you are goingto leave the unitunattended forgoing out of thehouse, etc.Make connection as shown below. When connecting therelated system components, refer also to the instructionmanuals of the related components. Caution: Do not plug in the power lead until all connec-tions are completed.1. Connect all cords firmly. If connections are loose, there could be loss of sound or noise produced.2. When plugging and unplugging connection cords, be sure to first remove the power cord from the AC outlet. Plugging/unpluggingconnection cords without removal of the power cord can cause malfunctions or damage to the unit.SYSTEM CONTROL IN/System control cord (provided)DV-K751(K) COVER1,1( 98.12.12 15:04 yW 10DV-K751/S7016CONTROLSVIRTUALSURR.DISPLAYOPEN/CLOSE0123456A-B REPEATREPEAT789CLEARP.MODE0ENTERTITLEMENURETURNON SCREEN47318SUB TITLETITLESEARCHANGLEAUDIOMEMORYTEXTDISPLAYCD TEXTALL INFO.SET UP1734685ON/STANDBYPOWER2Remote control unit (DV-S701 U.S.A.)The remote control unit incorporates the basic operation keys as well as a variety of applied operation keys so that it can beused in a wide range of purposes.Use care to store the remote control unit in a safe place so as not to lose it.Model: RC-D0704Infrared ray system1 VIRTUAL SURR. key2 POWER (ON/STANDBY) key3 CD, VCD and DVD related control keysNumeric (0 to 9) keysCLEAR keyP.MODE keyA-B REPEAT keyREPEAT key4 CD, VCD and DVD related control keysCursor (%, fi, , #) keysENTER keyPause (8) keyForward and reverse search (1, ) keysTITLE keyMENU keyRETURN keyON SCREEN keySkip down (4) and Skip up () keysStop (7) keyPlay (3) key5 TV monitor related control keysANGLE keyAUDIO keySUB TITLE keyMEMORY keySET UP key6 CD-TEXT related control keysTEXT DISPLAY keyALL INFO. keyTITLE SEARCH key7 DISPLAY key8 OPEN/CLOSE (0) keyVIRTUALSURR.DISPLAYOPEN/CLOSE123456A-B REPEATREPEAT789CLEARP.MODE0TITLEMENURETURNON SCREEN4ANGLEAUDIOSUB TITLEMEMORY7318ASSISTVOCALKARAOKEHIT MASTERSET UPKARAOKEMODEMELODYDIGITAL ECHOREQUESTKEY CONTROLI?i83456ENTER0POWERSTEREO721Remote control unit (DV-K751)The remote control unit incorporates the basic operation keys as well as a variety of applied operation keys so that it can beused in a wide range of purposes.Use care to store the remote control unit in a safe place so as not to lose it.Model: RC-D0706Infrared ray system1 VIRTUAL SURR. key2 POWER () key3 CD, VCD and DVD related control keysNumeric (0 to 9) keysCLEAR keyP.MODE keyA-B REPEAT keyREPEAT keySTEREO key4 CD, VCD and DVD related control keysSkip down (4) and Skip up () keysStop (7) keyPlay (3) keyCursor (%, fi, , #) keysENTER keyPause (8) keyForward and reverse search (1, ) keysTITLE keyMENU keyRETURN keyON SCREEN key5 TV monitor related control keysANGLE keyAUDIO keySUB TITLE keyMEMORY keySET UP key6 Karaoke-related control keysKARAOKE keyHIT MASTER keyASSIST VOCAL keyKARAOKE MODE keyMELODY keyDIGITAL ECHO (fi:Down/%:Up) keysREQUEST keyFlat (I) keyNatural () key)Sharp (#) key7 DISPLAY key8 OPEN/CLOSE (0) keyDV-K751(K) COVER1,1( 98.12.12 15:04 yW 11DV-K751/S7017CONTROLSVIRTUALSURR.DISPLAYOPEN/CLOSE0123456A-B REPEATREPEAT789CLEARP.MODE0ENTERTITLEMENURETURNON SCREEN47318SUB TITLETITLESEARCHANGLEAUDIOMEMORYTEXTDISPLAYCD TEXTALL INFO.SET UP1734685POWERSTEREO2Remote control unit (DV-S701 OTHER AREA)The remote control unit incorporates the basic operation keys as well as a variety of applied operation keys so that it can beused in a wide range of purposes.Use care to store the remote control unit in a safe place so as not to lose it.Model: RC-D0703Infrared ray system1 VIRTUAL SURR. key2 POWER () key3 CD, VCD and DVD related control keysNumeric (0 to 9) keysCLEAR keyP.MODE keyA-B REPEAT keyREPEAT keySTEREO key4 CD, VCD and DVD related control keysCursor (%, fi, , #) keysENTER keyPause (8) keyForward and reverse search (1, ) keysTITLE keyMENU keyRETURN keyON SCREEN keySkip down (4) and Skip up () keysStop (7) keyPlay (3) key5 TV monitor related control keysANGLE keyAUDIO keySUB TITLE keyMEMORY keySET UP key6 CD-TEXT related control keysTEXT DISPLAY keyALL INFO. keyTITLE SEARCH key7 DISPLAY key8 OPEN/CLOSE (0) keyDV-K751(K) COVER1,1( 98.12.12 15:04 yW 14DV-K751/S7018BLOCK DIAGRAMELECTRIC UNIT(X25-616X-XX)(W02-2658-05)POWER SUPPLYSWITCHING(X14-48XX-XX)DISPLAY UNIT(X14-48XX-XX) (B/2)KARAOKE(X14-48XX-XX)PROCESSOR UNITD.R.I.V.EDVD CIRCUITDVD MECHA.(D40-1580-05)DV-S701/DV-K751D+5V/A+8V/D+8V/M+12V/A+14V/A-14V/FL-35V+12V-12VSLKCK/CLDCKDACMUTE/IW0/EMPH/IW1SCLKSRDTu-COM+5VD+3.3V/A+5VM+9V/D+5V/384fsPOWERSTB/CLK/DATAMICMUTECHOMUTMICECHOIEC958ML/MC/MDMICMUTDOUT0786fsDACMUTEBCK/LRCKMCKDATA0DOUT1DOUT2LchRchZERO0DACMUTEMIC INBCKLRCKDATARLDATAMCKBCK/LRCKPMUTECD-2CHECHOMICLchRchMIXRMIXLRchLchRchLchMIX LMIX RCD-2CHBCK/LRCKML/MC/MDMCKDATA1DACMUTEZERO1SRSLSRSLML/MC/MDBCK/LRCKMCKDATA2DACMUTEZERO2SWCTSWCTAMUTESTBDATA/CKSTBSTBDATA/CKSRSLSWCTNR1/NR2/NR3DASDATADASMC/DASML/NR1/NR2/NR3YCACC. -DRIVE/LD-CONT.RF/FE/TE/SENS. SWMIXRMIXLSRCTSWSLSWCTSRSLY/C1Y/C2COMPCOMPY/C2Y/C1Y/C2Y/C1COMPSBCK/SUBC/DQSY/BCK/LRCK24bit L24bit RFL-35V/D+5VW02-2662-05VEP96533CW02-2661-05VEP96533BW02-2660-05VEP96533ADVD CIRCUITMAKER PARTS No.A+12VSW1SW2KARA CONT1KARA CONT2STBMIC SWVOICEEDITSBUSYSDATA12212134LRRLMIX RMIX LFLACOP AMP, SURROUNDIC