Kenwood-DVF3400-cd-sm 维修电路原理图.pdf

This product uses Lead Free solder.This product complies with the RoHS directive for the European market.DVD/VCD/CD PLAYERDVF-3400-B/3400-SSERVICE MANUAL 2007-5 PRINTED IN JA PANB53-4009-00 (N/J) 102TO TVCOMPONENT/PROGRESSIVE SCANPBPRYVIDEOAUDIOCOAXIALDIGITALAUDIORLOUTPUTCase(A09-1330-08): S(A09-1331-08): BWindow(B11-1635-08)Door(A29-1276-08): S(A29-1277-08): BPower Cord(E30-7380-08): X(E30-7388-08): EJack(E63-1355-08): X(E63-1356-08): EPanel(A60-2524-08): S(A60-2522-08): BJack(E58-0073-08): EIn compliance with Federal Regulations, following are reproduction of labels on, or inside the product relating to laser product safety.KENWOOD Corp. certifi es this equipment conforms to DHHS Regu-lations No.21 CFR 1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open and interlock defeated.AVOID DIRECT EXPOSURE TO BEAM.S : SilverB : BlackE : EuropeX : AustraliaFigure is DVF-3400 (E)RadioFans.CN 收音机爱 好者资料库2DVF-3400ACCESSORIES / CAUTIONSAccessoriesAudio cord (Red, White)(x 1)(E30-7381-08)Video cord (Yellow)(x 1)(E30-7382-08)Coaxial cable (Black)(x 1)(E30-7383-08)Remote control unit(RC-D0314 x 1)(A70-1717-08)Remote control batteries(R03 x 2)(-)CautionsInformation on Disposal of Old Electrical and Electronic Equipment (applicable for EU countries that have adopted separate waste collection systems)Products with the symbol (crossed-out wheeled bin) cannot be disposed as household waste.Old electrical and electronic equipment should be recycled at a facility capable of handling these items and their waste by products.Contact your local authority for details in locating a recycle facility nearest to you.Proper recycling and waste disposal will help conserve resources whilst preventing detrimental effects on our health and the environment.The marking of products using lasersCLASS 1LASER PRODUCTThe marking this product has been classifi ed as Class 1. It means that there is no danger of hazardous radiation outside the product.Location: Back panelFor the U.S.A.CAUTION:Use of controls or adjustments or performance of procedures other than those specifi ed herein may result in hazardous radiation exposure. In compliance with Federal Regulations, the following are reproductions of labels on, or inside the product relating to laser product safety.KENWOOD CORPORATION2967-3, ISHIKAWA-CHO,HACHIOJI-SHI,TOKYO, JAPANKENWOOD CORP. CERTIFIES THIS EQUIPMENTCONFORMS TO DHHS REGULATIONS NO. 21 CFR1040.10, CHAPTER 1, SUBCHAPTER J.DivX, DivX Certified, and associated logos are trademarks of DivX, Inc. and are used under license.Operation to resetThe microprocessor may fall into malfunction (impossibility to operate erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor.In this case, switch off the power, wait for several seconds, and then switch the power on again.Caution for Transport or MovementBefore transporting or moving the system, prepare it as described below.q Switch the system ON without placing a disc in it.w Ensure that is displayed.e Wait a few seconds, and then switch the system OFF.Manufactured under license from Dolby Laboratories. “Dolby” and the double-D symbol are trademarks of Dolby Laboratories.“DTS” and “DTS Digital Out” are registered trademarks of DTS, Inc.RadioFans.CN 收音机爱 好者资料库PARENTAL LOCK / DISASSEMBLY FOR REPAIR(L3)hole AFIG. 1-1FIG. 2-23DVF-3400How to Reset Parental Lock1. Connect the TV set to DVF-3400.2. Push the power switch of DVF-3400 to be on.3. Check the display of DVF-3400 shown “NO DISC”.4. Push the “SETUP” key of remote control and TV has “set up menu”.5. Select the “16:9” on TV.6. Push # key 1397139 and ENTER. Push # key again if mistype.7. Push the power switch of DVF-3400 to be off.1. TRAY DISC (FIG. 1-1)1) Insert and push a Driver in the emergency eject hole (A) at the right side, or put the Driver on the Lever (B) of the Gear Emergency and pull the Lever (B) in direction of arrow so that the Tray Disc is ejected about 1520mm.2) Pull the Tray Disc until it is separated from the Base Main completely.2. FRAME ASSEMBLY UP/DOWN (FIG. 2-2)NotePut the Base Main face down (Bottom Side) 1) Release the screw (S4) 2) Unlock the Locking Tab (L3) in direction of arrow and then lift up the Frame Assembly Up/Down to separate it from the Base Main.Note When reassembling move the Guide Up/Down in direction of arrow (C) until it is positioned as Fig. (C). When reassembling insert (A) portion of the Frame Assembly Up/Down in the (B) portion of the Guide Up/Down as Fig. (B)3. BELT LOADING (FIG. 2-2)NotePut the Base Main on original position (Top Side)4. GEAR PULLEY (FIG. 2-2)1) Unlock the Locking Tab (L4) in direction of arrow (B) and then separate the Gear Pulley from the Base Main5. GEAR LOADING (FIG. 2-2)6. GUIDE UP/DOWN (FIG. 2-2)1) Move the Guide Up/Down in direction of arrow (A) as Fig. (A)2) Push the Locking Tab (L5) down and then lift up the Guide Up/Down to separate it from the Base Main.NoteWhen reassembling place the Guide Up/Down as Fig. (C) and move it in direction arrow (B) until it is locked by the Locking Tab (L5). And confi rm the Guide Up/Down as Fig. (A)7. PWB ASSEMBLY LOADING (FIG. 2-2)NotePut the Base Main face down (Bottom Side) 1) Release 1 Screws (S5) 2) Unlock the Loading Motor (C2) from the Hook (H1) on the Base Main. 3) Unlock 2 Locking Tabs (L6) and separate the PWB Assembly Loading from the Base Main.4DVF-3400BLOCK DIAGRAM1. OVERALL BLOCK DIAGRAM5DVF-3400BLOCK DIAGRAM2. SERVO BLOCK DIAGRAM3. MPEG & MEMORY BLOCK DIAGRAMMECHANISMDECK6DVF-3400BLOCK DIAGRAM4. VIDEO BLOCK DIAGRAM5. AUDIO BLOCK DIAGRAMRchLch7DVF-3400TROUBLESHOOTING1. POWER CHECK FLOW2. SYSTEM OPERATION FLOWIs 5.6V present atcollector of Q126?No 3.3VAYESYESYESYESNo 5VNo 3.3VA.Replace Q126.Check FR101Replace Q121.YESIs there a DC voltage atcathode of D105 or D107?YESNONONONOReplace IC101.A.B.Check D105/D106/D107/D108 and replace.Is 3.3VAsection working?Is 3.3VAsection working?Is 3.3Vpresent at emitterof Q121?Power on1. 8032 initializes SERVO,DSP & RISC registers2. Write RISC code to SDRAM3. Reset RISCShow LOGOTray close to closed positionSLED moves to inner position1. Judge whether have disc and disc type2. Jump to related disc reading procedure1. Execute pressed Key & IR key2. System operation routine loop1. Stop playback & open Tray2. Display tray open message & LOGONOYESYESNOYESYESNONOTray closed ?SLED at inner side ?Recieve OPEN/CLOSE Key?Receive CLOSE Key?8DVF-34003. SYSTEM TEST FLOWTROUBLESHOOTINGTESTReplace power PCBA or AC transformer.YESNOSwitch on the power PCBARepair or Replace power PCBAYESNOMake sure the main PCBA dontshort on VCCs and switch it on.YESCheck the regulators or related diodes.YESNOConnect to PC RS232 cable andupdate the FLASH memory code.1. Check 27MHz system clock.2. Check system reset circuit.3. Check FLASH R/W enable signal PRD,RWR.4. Check RS232 SIGNALS.5. Check FLASH Memory related circuit.NOAYESCheck the ACVoltage Power PCBA (110Vor 220V)Update FLASHsuccessfully?Is the DCvoltage outputs OK?(5V, 3.3V, 12V, 5.6VMOTOR)Is 3.3Vand 1.8V DC outputs normalon main PCBA?RESET or power on.NONOYESCheck connection linesbetween FLASH & ZR966and the FLASH access timewhether is suitable or not.NOYESCheck connection linesbetween SDRAM & ZR966and the SDRAM is damaged.NOYESCheck the relatedcircuit of ZR966.NOYESCheck the filtering and ampcircuit of TV signal.Check AV cableconnection to TV set.NONOYESCheck the load OPEN &CLOSE switchNOYESCheck the Tray control IOpins on ZR966 & AM5890S.NOYESCheck the Tray controlamplifying circuit on motor driver.Check the cable connectionbetween main PCBA and loader.YESYESShow LOGO?Flashmemory operatesproperly?ZR966VIDEO outputsproperly?NormalTROUT & TRINsignals?NormalTRCLOSE & TROPENsignal?Normal LOAD+ &LOAD signal?DoesTray move insidewhen it is not at closedposition?SDRAMworks properly?Have TVsignal output?AB9DVF-3400TROUBLESHOOTINGNONOYESCheck the connection lineof DRVSB signal.NOYESCheck the relatedcircuit of Sled_s.NOYESCheck the amp circuit onmotor driver.Check the cable connectionwith MECHA.Do not put in disc andtray close.YESYESCheck cable connect onwith pick-up head.YESYESMotorDriver DRVSB Pinis high?Is sled_sDC Level higher than1.4V?SL+ andSL- output properly?Doesthe SLED moveto inner side when it isat outter position?NONOCheck focus_s connectionon ZR966 and motor dirver.Properfocus_s outputs to motordriver?NOCheck the amp circuit onmotor dirver.Proper F+ &F- outputs?Optical Lens hasmovements for searchingfocus?BCNONOYESYESCheck the laser power circuiton ZR966 and connecting topower transistor.Check cable connectionbetween transistor ouputand pick-up head.NOLaser offNONOYESCheck the related circuiton RF signal.Check DVD_LD &CD_LD signalYESYESNONOYESCheck spindle_s relatedcircuit on ZR966.SP+ & SP- output properly?NOYESCheck the spindle controlamp circuit of motor driver.Check the cable connectionbetween spindle and mainPCBA.YESYESLaserturns on when readingdisc?DVD_LD,CD_LD output properly?NOCheck the related circuit onlaser power transistorCollectorvoltage of power transistoris OK?Put disc in?Disc ID is correct?Does spindle rotate?Does spindle rotate?Proper spindle_ssignal on ZR966Proper RF signalon OPUCD10DVF-3400TROUBLESHOOTINGNONOYESYESCheck connections betweenZR966 and pick-up head.Check cable connection onpick-up head.NOYESYESYESYESYESCheck cable connection onpick-up head.Check RF signal waveform.Focus on OK?Proper signals onA,B,C,D of ZR966NONOCheck the track_s connectionon ZR966 and motor dirver.Track on OK?Disc is play?Properly track_ssignal on ZR966?NOCheck the tracking controlamp circuit on motor driver.T+ & T- outputproperly?NOCheck the focus_s connectionon ZR966 and motor driver.Check focus_ssignal on ZR966YESCheck the focus controlamp circuit on motor driver.F+ & F- outputproperly?DENONOYESYESCheck connection betweenZR966 & Audio DAC.Check Audio filter,amplify, mute circuit.NONOYESCheck communicationlines on ZR966.YESYESTEST ENDCheck the cable connectionon Front pannel.NormalAudio output when discplayback?AudioDAC received correctdata stream?Commu-nications betweenIR.VFD Front pannelkey & ZR966 isnormally?NormalIR.VFD & Frontpannel keyfunctions?NOCheck the relatedcircuit of Audio DAC.Normal AudioDAC out?E11DVF-3400WAVEFORMS1. SYSTEM 27MHz CLOCK, RESET, FLASH R/W SIGNAL 1) ZR966 main clock is at 27MHz (X601) 2) ZR699 reset is active high 3) RS232 waveform during procedure (Downloading) 4) Flash R/W enable signal during download (Downloading)FIG 1-1FIG 1-2FIG 1-3FIG 1-4Note: Waveform number shows check points in schematic diagram12343.3VAPWR_CTLRESET56TXDRXD78PRDPWR12DVF-3400181920FACT+(3.2V/2.7V/2.2V)FACT-(3.2V/2.7V/2.2V)FOCUS_S(1.5V/1.4V/1.3V)DCLK = 128MHz, Vp-p=2.2, Vmax=2.7V9WAVEFORMS2. SDRAM CLOCK3. TRAY OPEN/CLOSE SIGNAL4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)5. LENS CONTROL RELATED SIGNAL (NO DISC CONDITION)FIG 2-1FIG 3-1FIG 4-1FIG 5-110111213INSWOUTSWCLOSEOPEN14151617SLED_S(1.9V/1.4V/1.1V)DRVSB(3.3V)SLED+(4.2V/2.8V/1.2V)SLED-(4.2V/2.8V/1.5V)Note: Waveform number shows check points in schematic diagram13DVF-3400WAVEFORMS6. LASER POWER CONTROL RELATED SIGNAL (NO DISC CONDITION)7. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)FIG 6-1FIG 7-1FIG 8-1 (DVD)FIG 8-2 (CD)212223MDI1(0V/180mV)CD_LD(3.3V/2.3V)DVD_LD(3.3V/2.3V)242526SPINDLE_S(1.4V/1.8V)SP-(3.6V/2.4V)SP+(3.6V/4.8V)8. FOCUS ON WAVEFORM272829FOCUS_SFF+FF-FOCUS_SFF+FF-272829Note: Waveform number shows check points in schematic diagram14DVF-3400WAVEFORMS11. ZR966 VIDEO OUTPUT WAVEFORM 1) 100% COLOR BARFIG 9-1 (DVD)FIG 9-2 (CD)FIG 10-1FIG 11-1303132TRACK_STracking+Tracking-9. FOCUS ON WAVEFORMRACKING CONTROL RELATED SIGNAL (SYSTEM CHECKING)TRACK_STracking+Tracking-30313210. ZR966 AUDIO COAXIAL OUTPUT (SPDIF)33Note: Waveform number shows check points in schematic diagram15DVF-3400WAVEFORMS 2) COMPOSITE VIDEO SIGNAL12. AUDIO OUTPUT FROM ZR966FIG 11-2FIG 12-1Note: Waveform number shows check points in schematic diagram16DVF-3400ABCDE1234567PC BOARDRefer to the schematic diagram for the values of resistors and capacitors.D201P2201P6602P6601P7301P2202Q702Q711IC701IC702IC605IC603IC601JK702JK703Q202Q201Q203Q713Q712Q701Q714D700Q703D202IC201IC604P6901P6501PW6101R773C701R772R770C708C647C648C641C642C719R722C776C789C777C780R619C633R620C665R622R623R624C662R641C667C668C660C224C601C210C213C217C214C201C223C208C640C209C627C787C727C646R209R210C651R220R221C663C605C669C634C629R621C639C206R647R219C220R218C670C673C671R217C219R216C664C202C674C672C675C705C717X601C624C644C617C728C741C716C623C729C718R724R760R759C715R720R755C712R721R753C711C713C742R738R761R704C702R754R7171488511521561055310420815711428151244825192811121214101127542822232111441211124181695C703C696R601C614C643C698C611C610C609C608 L620C613C690R603R604R628C650R627R626C6U2R607C6U1C678C649C6C9R606R651C676 C681 C682C683C616C684C679R655R654C685C686C687C689C709R771R744R765R775R774C704R768R745R779R723C706R701R702R712R714R605C652C688R646C692 C691R656R657C697R625L608C654C6E1C6E2L621C607C606C603C602C645R610C620C695C626C781R780R757R617R730R616R615R732R758R614C630C628R653C680C637C638C659C658C657R629C604R630R643C207R224R203C631C632R214C203R658R202R201R233R234R229R249R222C216C653C655R636R637L622R640R639C656R635R230C226C225C636R232C635R204C205R645R644C204C625C621R613R612C693C622C666C619C615C699R634R609L619L615R735R734R709R736C707R710R751R711C618R215C790L717L728L604L605R231C227L612L205L611L603C6E3L606L601L607L701L206L203L613L609L602L623L616L610L202L201L702L727L729L716B EB EB EB EB EB EB EB EB EB EMAIN (SIDE A)VIDEOPRPBYLRAUDIOOUTPUTCOMPONENT/PROGRESSIVE SCANDIGITAL AUDIOCOAXIAL17DVF-3400JIHGF1234567PC BOARDRefer to the schematic diagram for the values of resistors and capacitors.M RESET TPTP602TP601PH1JIG708JIG704 JIG706JIG710JIG709JIG217JIG207JIG641SLIT2JIG224JIG232JIG229JIG231JIG230JIG228JIG227JIG226JIG225JIG702JIG703JIG701JIG705JIG707MAIN (SIDE B)18DVF-3400KLMNO1234567PC BOARDRefer to the schematic diagram for the values of resistors and capacitors.CN903SW901CN902SW902DIG901IC901CN901SW903SW904SW905SW907SW908ZD904ZD903ZD902ZD901D125D106D101D105D123Q123Q124D151D104D108D107D121ZD151ZD101ZD102ZD152P101IC102IC101PW101FR101IC103Q122Q121Q126JK301P3701Q301POWER21C909C902R905C901R902 R903C907R904R906C905C903C904R901L901R907R908R909R910C908RESPLAYSTOPBACKWARDFORWARDW131W2W3C906OPEN/CLOSER140R143BEC154R151R145R144C156C126C153T101C121R152C123C124L122C155C122EEBEE BBBCARL121BC101C103C104L101R122R121C157R130R123R127C113C106R102V101C101C114C110R103C105C111R128R129R126C128R105C109C108R124R125W106W107W112W103W101W108W102W111W110W104W105W1091163217121131112121121102435841RC901R305R306C306F303C307F302F301C305BC301R308R307EBL302L301C304C302R304R302C303C301R303R301122112111220SCARTTIMERKEYSMPS19DVF-3400CIRCUIT VOLTAGE CHARTPINNo DiscPlayIC20111.331.6621.841.8332.76341.281.6551.251.2463.283.2470.00030.000384.894.9790.530.435103.833.99112.292.47122.292.45132.342.27142.342.54152.322.4162.322.41171.343.32181.341.49194.874.97200.921.03214.874.99220.00070.001231.011.94240.4350.4254.814.93261.351.64271.651.64280.0043.17IC60111.911.9721.562.109