Kenwood-DV2070-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-203/2070DVF-5010/9010/K7010SERVICE MANUAL 1998-8/B51-5456-00 (K/K) 3486Illust. is DVF-9010.* Refer to parts list on page 52.PHONES LEVELMAXMINPHONES ON SCREENPANEL UP / DOWNRETURN374OPEN/CLOSEDVD MENUENTER1VIRTUAL SURROUND96 kfsDTSON OFFPOWERCOMPONENT VIDEO OUTPUTYCbCr(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTCENTERS-VIDEO 1VIDEO OUTPUTMIX LINEOUTPUTS-VIDEO 2FRONT SURROUND SUBWOOFER6CH. OUTPUTLRLR12Knob(BUTTON) (K27-2300-04)AC power cord*(E30-)Phono jack(E63-1061-05)Phono jack (E63-0175-05)Phono jack (E63-1063-05)Power cord bushing(J42-0083-05)Metallic cabinet(A01-3625-01)Phone jack(E11-0190-05)Knob (K29-7431-04)Phono jack(E63-1060-05)Phono jack (E63-1059-05)Front glass *(B10-)Knob(K29-7355-04)x5Oscillating module(W02-1114-05)Knob(K29-7358-04)Escutcheon(B07-2420-12)Dressing panel(A21-3693-13)Knob (K29-7356-03)Sub panel(A22-1809-01)Cylindrical receptacle (E56-0021-05)x2Phono jack (E63-1057-05)DV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 2RadioFans.CN 收音机爱 好者资料库Audio (E30-0505-05)(E30-2725-05)(E30-1427-05)(B19-1529-05)(E03-0115-05)(A70-1229-05) : DVF-K7010(A70-1230-05) : DV-203/DVF-5010(A70-1227-05) : DV-2070/DVF-9010Battery cover (A09-1105-05)Battery cover(A09-1124-08)cord (Red, White) .(3)Remote control unit .(1)Batteries (R6/AA) .(2)Optical fiber cable. (1)S-VIDEO cord .(1)Video cord (Yellow) .(1)AC plug adaptor . (1)Use to adapt the plug on the power cord to the shape of the wall outlet.(Accessory only for regions where use is necessary.)Remote control unit. (1)DVD VCDCDP.B.C.DOLBYDIGITALRANDOMPROG.STEREOANGLEREPEAT ALLKARAOKELRTITLE CHAPTER TRACK CD TEXTAB? ? ?N O ?D I S C ? ? ? ?Beware of condensationWhen the difference between the internal temperature of the unit andexternal atmosphere is large, dew (mist) may be produced on theinternal parts of the unit. In such a case, turn the unit ON and leaveit for a few hours until the condensation has dried up.Be especially careful in the following conditions:When the unit is brought into a place where there is a large differencein temperature between the previous location, when the humidity ofthe listening room is high, etc.Note related to transportation andmovementBefore transporting or moving this unit, carry out the followingoperations.1. Set the POWER key to ON without loading a disc.2. Wait a few seconds and verify that the display shown appears.3. 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.While holding the 7 key, press and hold the 8 key until “INITIAL OK!”appears.DV-203/2070/DVF-5010/9010/K70102CONTENTS / ACCESSORIESCONTENTS / ACCESSORIES .2CONTROLS .3DISASSEMBLY FOR REPAIR.6BLOCK DIAGRAM .11CIRCUIT DESCRIPTION.13ADJUSTMENT. 24WIRING DIAGRAM.26PARTS DESCRIPTIONS .27PC BOARD .28SCHEMATIC DIAGRAM .33EXPLODED VIEW .49PARTS LIST.52SPECIFICATIONS .67ContentsAccessoriesCautionsDV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 3RadioFans.CN 收音机爱 好者资料库REPEAT4?1?783VIRTUAL SURROUND96 kfsON OFFPOWERDTSDVD VCDCDP.B.C.DOLBYDIGITALRANDOMPROG.STEREOANGLEPCMREPEAT ALLLRTITLE CHAPTER TRACK CD TEXTAB?3648215709!#$Display / Main unit (DVF-5010)L, STEREO, R indicatorsCharacter information displayOperation indicators3 :Play8 :PauseDVD, VCD, CD indicatorsSpecial playback related indicatorsStandby mode of the unitWhile the POWER key is set to ON, this unit can be put to the standby mode using the graphical remote control unit providedwith a KENWOOD AUDIO VIDEO SURROUND RECEIVER. When the STANDBY indicator of this unit is lit, a small amount ofcurrent flows in it to back up the internal memory. This status is referred to as the standby mode.DisplayVCD and CD related indicatorsDVD related indicators1POWER key2Remote control sensor3VIRTUAL SURROUND indicatorLights during playback of an AC-3 5.1-channel disc by setting virtualsurround.496 kfs indicatorLights during playback of a DVD LPCM disc with 96 kfs samplingfrequency.5DTS indicatorLights during playback of a DVD DTS disc.6Open/close (0) key7Stop (7) key8Play (3) key9Tray panel0DVD badge!REPEAR keyManual search (1, ?) keys#Skip down (4) / up (?) keys$Pause (8) keyDVD VCDCDP.B.C.DOLBY DIGITALRANDOMPROG.STEREOANGLEPCMREPEAT ALLLRTITLE CHAPTER TRACKAB?KARAOKEMIC1 VOLUMEMINMAXMINMAXMIC2 VOLUMEMIC2MIC CONTROLMIC1REPEAT4?1?783 KEY CONTROLKARAOKEVIRTUAL SURROUND96 kfsDTS?ON OFFPOWER36482157! ?(*&#$?)?09%ON OFFPOWERDisplay / Main unit (DVF-K7010)L, STEREO, R indicatorsCharacter information displayOperation indicators3 :Play8 :PauseDVD, VCD, CD indicatorsSpecial playback related indicatorsStandby mode of the unitWhile the POWER key is set to ON, this unit can be put to the standby mode using the graphical remote control unit providedwith a KENWOOD AUDIO VIDEO SURROUND RECEIVER. When the STANDBY indicator of this unit is lit, a small amount ofcurrent flows in it to back up the internal memory. This status is referred to as the standby mode.DisplayVCD and CD related indicatorsDVD related indicators1 POWER (POWER) key2 Remote control sensor3 VIRTUAL SURROUND indicatorLights during playback of an AC-3 5.1-channel disc by setting virtual surround.4 96 kfs indicatorLights during playback of a DVD LPCM disc with 96 kfs samplingfrequency.5 DTS indicatorLights during playback of a DVD DTS disc.6 Open/close (0) key7 Stop (7) key8 Play (3) key9 MIC 1 VOLUME control0 MIC 1 jack! MIC CONTROL jack MIC 2 jack# MIC 2 VOLUME control$ Tray panel% DVD badge KARAOKE key& Flat () keyIi?* Natural () key( Sharp () key) REPEAT key? Manual search (1, ?) keys? Skip down (4) / up (?) keys? Pause (8) keyKARAOKE indicators*The key nameindications on theunit are variabledepending on thearea where it ismarketed.IiDV-203/2070/DVF-5010/9010/K70103CONTROLSControl and IndicationPHONES LEVELMAXMINPHONES ON SCREENPANEL UP / DOWNRETURN374?OPEN/CLOSEDVD MENUENTER1?VIRTUAL SURROUND96 kfsDTSON OFFPOWERDVD VCDCDP.B.C.DOLBYDIGITALRANDOMPROG.STEREOANGLEPCMREPEAT ALLKARAOKELRTITLE CHAPTER TRACK CD TEXTAB?!#$%* (&)7312096548Display / Main unit (DVF-9010)L, STEREO, R indicatorsCharacter information displayOperation indicators3 :Play8 :PauseDVD, VCD, CD indicatorsSpecial playback related indicatorsStandby mode of the unitWhile the POWER key is set to ON, this unit can be put to the standby mode using the graphical remote control unit providedwith a KENWOOD AUDIO VIDEO SURROUND RECEIVER. When the STANDBY indicator of this unit is lit, a small amount ofcurrent flows in it to back up the internal memory. This status is referred to as the standby mode.DisplayVCD and CD related indicatorsDVD related indicators1POWER key2DVD indicatorLights up when a DVD disc is loaded.3Remote control sensor4DTS indicatorLights during playback of a DTS-encoded DVD disc.596 kfs indicatorLights during playback of a DVD LPCM disc with 96 kfs samplingfrequency.6VIRTUAL SURROUND indicatorLights during playback of an AC-3 5.1-channel disc by setting virtualsurround.7OPEN/CLOSE (0) key8PANEL UP/DOWN key9Stop (7) key0Play (3) key!PHONES LEVEL controlPHONES jack#Tray panel$Manual search (1, ?) keys%Cursor (%, fi?, , #) keysENTER key&ON SCREEN key*RETURN key(DVD MENU key)Pause (8) key?Skip down (4) / up (?) keysDV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 6DV-203/2070/DVF-5010/9010/K70104CONTROLSREAR PANELS-VIDEO VIDEO OUTPUTCOMPONENTVIDEO OUTPUTYCbCrAUDIOOUTPUTLR(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUT1212DV-203CENTERS-VIDEOVIDEO OUTPUTMIX LINEOUTPUT6CH. OUTPUTLRLR(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUT12FRONT SURROUND SUBWOOFERDVF-5010/DVF-K7010S-VIDEO 1VIDEO OUTPUTCOMPONENT VIDEO OUTPUTS-VIDEO 2YCbCrAUDIO OUTPUTLR(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUT1212DV-2070(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTCENTERS-VIDEO 1VIDEO OUTPUTMIX LINEOUTPUTS-VIDEO 2FRONT SURROUND SUBWOOFER6CH. OUTPUTLRLR12DVF-9010 (E,M,T)DVF-9010 (Y)COMPONENT VIDEO OUTPUTYCbCr(PCM/BIT STREAM)COAXIALOPTICALDIGITAL OUTPUTCENTERS-VIDEO 1VIDEO OUTPUTMIX LINEOUTPUTS-VIDEO 2FRONT SURROUND SUBWOOFER6CH. OUTPUTLRLR12DV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 7DV-203/2070/DVF-5010/9010/K70105CONTROLS1DVDDVDSET UPCDENTERDISPLAY?1C23456789REPEATREPEAT0?OPEN / CLOSESKIP UP?PLAY3SKIP DOWN4STOP7ON SCREENMENUP.MODERETURN180SET UPA-B REPEATVIRTUAL SURR.MEMORYTITLEAUDIOANGLESUB TITLEALL INFO.TEXT DISP.TITLE SEARCH65324Remote control unitThe 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.* The proper positioning of the mode switch (DVD, CD, DVD SET UP) is variable depending on the control and play modes.Set the mode switch according to the desired control and play modes.Information inside ( ) below indicates the mode switch setting position to implement the function in question.Model: RC-D0705Infrared ray system1Remote control mode switchDVDCDDVD SET UP2Joystick/ENTER/Pause/forward search/reverse searchkeys(DVD, CD, DVD SET UP)Joystick (%, fi?, , #) keysENTER keyPause (8) keyForward and reverse search (1, ?) keys3CD, VCD and DVD related control keysSKIP DOWN (4) and SKIP UP (?) keys(DVD, CD, DVD SET UP)ON SCREEN key (DVD, CD, DVD SET UP)PLAY (3) key (DVD, CD, DVD SET UP)STOP (7) key (DVD, CD, DVD SET UP)MENU key (DVD, DVD SET UP)/P.MODE key (CD)RETURN key (DVD, CD, DVD SET UP)4DISPLAY key (DVD, CD, DVD SET UP)5TV monitor related control keysNumeric (0 to 9) keys (CD)C (Clear) key (DVD, CD, DVD SET UP)REPEAT key (DVD, CD, DVD SET UP)A-B REPEAT key (CD)SET UP key (DVD SET UP)MEMORY key (DVD)VIRTUAL SURR. key (DVD)TITLE key (DVD)ANGLE key (DVD)AUDIO key (DVD)SUB TITLE key (DVD)OPEN/CLOSE (0) key (DVD)6CD-TEXT related control keysTEXT DISP. key (DVD)ALL INFO. key (DVD)TITLE SEARCH key (DVD)VIRTUALSURR.DISPLAYOPEN/CLOSE123456A-B REPEATREPEAT789CLEARP.MODE0TITLEMENURETURNONSCREEN4?ANGLEAUDIOSUB TITLEMEMORY731?8ASSISTVOCALKARAOKEHIT MASTERSET UPKARAOKEMODEMELODYUPDIGITALECHODOWNREQUESTI?iKEYCONTROL7215634566ENTER0Remote control unitThe 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-D0505Infrared ray system1 DISPLAY key2 VIRTUAL SURR. 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 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 (DOWN/UP) keysREQUEST keyFlat () keyNatural () key)Sharp () key7 OPEN/CLOSE (0) keyIi?DV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 10DV-203/2070/DVF-5010/9010/K70106DISASSEMBLY FOR REPAIR (DV-2070, DVF-9010)1. How to open the door panel and the trayif not comes out.(1) See the bottom of a set, then move the arm of thedoor mechanism by a screw driver (1) and pull outthe door panel (2).(2) Move the rotary cam of the DVD mechanism by ascrew driver (3), then pull out the tray and removethe tray panel (4).2. How to remove the door panel.(1) Remove 2 screws (5), then remove the doorpanel (6).(2) Remove 2 bosses (7), then remove the doorescutcheon (8).34217855691112121212121210 x2x23. How to remove the moving door mechanism1. Remove the 1 screw (9), Then pull the slider (0) till last2. While raise the slider of left side, remove the slider from thebosses (-,=)DV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 11DV-203/2070/DVF-5010/9010/K70107DISASSEMBLY FOR REPAIRHow to Disassemble mechanism.1. The disc is not coming out by pressing the open botton.1. Remove the case and DVD disc in the unit.2. Insert the small screw driver into the hole onthe bottom chassis.3. Travel the rotary cam to the tray open position.4. Travel the tray to open position by hand.5. Remove the dress panel.2. The Loading Tray1. Travel the rotary cam to the tray open position.2. Travel the tray to open position by hand.3. Open the hooks of the tray holder and pull out it.OPENCLOSEOPENTRAYCLOSETRAYOPENTRAYPUSHOPENDV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 14DV-203/2070/DVF-5010/9010/K70108DISASSEMBLY FOR REPAIR3. Traverse Unit1. Remove the screws fixing the plate spring, the chassisstopper and the spring.2. Lift the back of the traverse unit and remove it.4. Loading Mechanism Parts1.The loading parts is avalable without disassemble.Refer to the followings.How to Assemble1. Loading MechanismThis mechanism has no order for assembling the load-ing parts.2. Traverse Unit1. Pass the flexible cable from the inside of the loadingbase to the outside of that.2. Insert the top of the traverse unit to the groove of therotary cam and fix it with screws.CONNECTING POINTBELTPULLEYGEARLOADINGMOTORGEARTRAYGEARROTARYCAMTRAY GEARTRAVERSEUNITLOADING BASETRAY GEARROTARY CAMDV-203/DVF-5010(K) COVER1,1( 98.12.11 14:21 yW 15DV-203/2070/DVF-5010/9010/K70109DISASSEMBLY FOR REPAIR4. Clamper1. Mount the clamper plate before assembling theloading base to the unit.3. Loading Tray1.Turn the tray gear to move the traverse unit at the bot-tom position counterclockwisely.2. Push the A of the rotary cam to the arrow direction.3. Check the hook to be locked.4. Load the tray to the loading base straightly.How to Replace1. Preparation1. Short the pickup short lands for protecting the dam-age of the statics.2. Remove all of the flexible cables on the connectionpcb.3. Remove screws to divide the traverse unitTRAY GEARHooKSHORTDV-203/DVF-5010(K) COVER1,1( 98.12.11 14:22 yW 18DV-203/2070/DVF-5010/9010/K701010DISASSEMBLY FOR REPAIR4. Assemble1. Assemble the traverse unit and the pickup in thereverse order of disassembly.2. Fix the A screw and the B adjusting screw when thedisc motor unit mount.3. Fix the B screw so that the disc motor unit is at a levelwith the traverse unit.4. After assembled the pickup, the