Kenwood-DV-4070-B-Service-Manual(1) 电路图 维修手册.pdf

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1、In compliance with Federal Regulations, following are repro- duction of labels on, or inside the porduct relating to laser prod- uct safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlo

2、ck 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. DVD VCD CD PLAYER 2000-9/B51-5665-00 (K/K) 3473 STANDBY POWER DISC SKIP PHONES LEVEL PHONES MINMAX - ON OFF DISC 1

3、PURE AUDIO MODEDISC 2DISC 3DISC 4 DISC 5 OPEN/CLOSE 0 3 8 7 4 SAMPLING 96kfs192kfs VIRTUAL SURROUND 0 00000 0 0 0 0 0 0 0 0 0 0 ANGLERAMDOMPGMP.B.C.P.PCMMPEGDOLBYDTS REPEAT TEXT INDEXINDEX SEQ.1 SEQ.2 D.MIX TOTAL VIDEO AUDIO DIGITAL DVDCDVCD 1 1 12 23 3 34 4 45 5 52 A AB3 DVD COAXIALOPTICAL DIGITAL

4、OUTPUT (PCM/BIT STREAM) SUB WOOFERFRONT SURROUND 6CH. OUTPUT COMPONENT VIDEO OUTPUT YCbCr 1 2 MIX LINE OUTPUT VIDEO OUTPUT L R CENTER S1 VIDEO OUTPUT S1/S2 VIDEO OUTPUT Knob (K29-7805-13) Phone jack (E11-0190-05) Indicator (B12-0399-14) Metallic cabinet (A01-3759-01) Pin jack (E63-1158-05) Pin jack

5、(E63-1128-05) Oscillating module (W02-2732-05) Front glass (B10-3608-02) Panel (A60-1846-12) Pin jack (E63-1156-05) AC power cord bushing (J42-0083-05) AC power cord (E30-2909-05) Pin jack (E63-1171-05) Cylindrical receptacle (E56-0031-05)x2 Knob (K29-7806-13) Knob (K29-7194-04) DV-4070-B/4900 SERVI

6、CE MANUAL DVF-R7030-B/R9030 Knob (K27-2408-14) Knob (K29-7803-04) 70% Illust. is DV-4900. RadioFans.CN 收音机爱 好者资料库 Multiple DVD VCD CD Instructoin manual/ separate Users Guide (1) Joystick remote control unit (1) (A70-1412-05) Battery cover(A09-1124-08) Batteries (R6/AA)(2)Video cable(1) (E30-1427-05

7、) AC plug adapter (1) (E03-0115-05) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) S Video cable(1) (E30-2956-05) Audio cables(3) (E30-0505-05) Optical fiber cable(1) (B19-1529-05) DV-4070-B/4900/DVF-R7030-B/R9030 2 CONTE

8、NTS / ACCESSORIES CONTENTS / ACCESSORIES . 2 DISASSEMBLY FOR REPAIR.3 CIRCUIT DESCRIPTION.5 ADJUSTMENT.17 PARTS DESCRIPTIONS .18 PC BOARD .19 SCHEMATIC DIAGRAM . 23 EXPLODED VIEW .41 PARTS LIST.43 SPECIFICATIONS .54 Contents Accessories Malfunction of Microcomputer In case the microcomputer malfunct

9、ions, making operations impossible or showing wrong messages on the display even if you connected everything properly. When the microcom- puter malfunctions, perform the following procedure to reset the microcomputer and return it to the normal condition. 1. While holding on the player main unit, pr

10、ess . 2. The display on the main unit shows blinking INIT (ini- tializing), then shows INIT OK! (Initialization OK) to indicate that the microcomputer is reset. 3. Press on the main unit to turn it off, then press it again to turn it on. The resetting clears the setups stored in the microcom- puter

11、and returns it to the factory-set initial condition. After resetting, you should perform the various setups of the player again from the beginning. POWER - ON OFF POWER - ON OFF 7 Transport or moving precautions When transporting or moving the player, first remove the disc and observe the following

12、procedure. 1. Turn the player power on. 2. Wait for a few seconds, until the display shows NO DISC. 3. Turn the player power off by pressing . POWER - ON OFF Note: Please contact our KENWOOD Service Department in your side if you want the information; Main Microprocessor(MN10102LP25G),Sub Microproce

13、ssor(MN101C28C) ports explanation, D.R. I.V.E. and SCART Circuit Description and full(previous) format Parts list on this model. You can be available them by internet from us. RadioFans.CN 收音机爱 好者资料库 DV-4070-B/4900/DVF-R7030-B/R9030 3 DISASSEMBLY FOR REPAIR 1 5 2 3 6 4 5 HOOK ( x2) HOOK x2 Guide 6 3

14、 4 HOOK GUIDE ARM DRIVE GEAR HOOK LOADING GEAR (A) (Free) PROTRUSION OF TRAY 2 1 5 REAR 1. How to Remove Tray 1. Remove the front panel and flexible cable. Disassemble the X25 and power supply pcb with sub chassis if it is a difficult. 2. Push and hold the lever()to clockwise and pull barely out the

15、 tray to frontwards() where the hook of tray() meets with guide(). 3. Push hooks(), both sides, inwards and release them from guides(). 4. Pull hooks of tray() outwards and remove the tray upwards(). 2. How to Assemble Tray 1. Adjust the position of drive gear as figure(). Check traverse unit is at

16、the lowest position. 2. Load the tray on the loading mechanism. Check the position where the loading gear(A) is free() 3. Meet the hooks with guides and push hooks to load the tray(). 4. Set the right side hook to loading mechanism(). 5. Set the left side hook to loading mechanism with pulling it ou

17、twards(). 6. Push the tray backwards(). RadioFans.CN 收音机爱 好者资料库 DV-4070-B/4900/DVF-R7030-B/R9030 4 DISASSEMBLY FOR REPAIR 5. How to Disassemble Traverse Unit 1. Move the traverse to upward by turning motor pulley (). 2. Make the gap between the tray guide and guider(L) with driver() 3. Remove the sc

18、rews(, ). 2 4 21 3 Tray guide Guider (L) Protruding part 5 5 5 6 6 6 X13-7770-10 CN1 CN2 Clamper weight Spacer Magnet Clamper 3. How to Remove Clamper Assy 1. Remove screws. 4. How to Disassemble Clamper Assy 6. Tangential and Tilt Adjustment 1. Turn the power on with pressing the DISC 1 key. (Displ

19、ay shows INSPECTION; test mode.) 2. Press the DISC1 key in playback mode again. Display shows Jitter * % 3. Turn off if cancel test mode. REAR Tilt adjustment screw 2 Tilt adjustment screw 1 Tangential adjustment screw DV-4070-B/4900/DVF-R7030-B/R9030 5 CIRCUIT DESCRIPTION Port No.Port NameI/ODescri

20、ption 1WAITOOptical Device Control(ODR) wait 2NRDORead(RD) port for ODC/AV 3-No use 4NWAOwrite(WR) 5RAMCSOChip Select(CS) Flash RAM 6ODCCSOChip Select(CS) ODC 7AVCSOChip Select(CS) AV decoder 8RAMCSOChip Select(CS) DRAM for TEXT buffer 9SCLOCKOClock of Video DAC(ADV7172) 10SDATAOData of Video DAC(AD

21、V7173) 11FRDORead(RD) port for Flash ROM 12MODE2IH: Chip Select 0, 8bit bus 13-16CPUADR0-3OAddress A(0-3) 17VddI+5V 18SYSCLKOAV decoder HCLK 19VssOGND 20XIIClock input port 21XOOClock output port 22VddI+5V 23CLKI13.5MHz clock input port 24OSCOONo use 25MODE2ICPU mode: H=Memory enhanced mode 26-33CPU

22、ADR4-11OAddress A(4-11) 34VddI+5V 35-42CPUADR12-19OAddress A(12-19) 43Vss-GND 44196BSYIBusy of writing jig 45256BSYOBusy of unit 46ATTLOAnalog output attenuator L: active 47-No use 48KMODEIwriting mode. H=writing. L=normal. 49AMUTEOAudio mute 50ADSCENICIRC enable 51-ONo use 52SLEEPOFront End Process

23、or(AN8825) standby 53FRNTHOFront DAC selector. H=front. 54Vdd-+5V 55FEPENIFront End Processor SEN 56CLKSELOSampling frequency selector. L=44,88,176kHz, H=48,96,192kHz 57STBDAC2ODAC2(AK4393) Strob 58STBSPOSerial/parallel(NJU3711) Strob 59STBDAC1ODAC1(AK4393) Strob 60ADSC OAdvanced Digital Servo Contr

24、ol serial data transfer. 61VssOGND 62-ONo use 63XSOChip Select of E2PROM 64SCSIENOEnable control of writing jig. L=enable 65DARK-DETIVideo signal check by Y-signal 66VddI+5V 67SCLKOOSub-microprocessor clock 68SIOISub-microprocessor data input 69SOOOSub-microprocessor data output 70SCLKIOClock for ev

25、ery Ics MAIN MICROPROCESSOR: MN102LP25G(X35,IC500) DV-4070-B/4900/DVF-R7030-B/R9030 6 CIRCUIT DESCRIPTION Port No.Port NameI/ODescription 71S11IData input for every ICs 72S01OData output for every ICs 73,74PUPINo use. Pull up 75NMIIPull up. 76ADSCINTIInterrupt of Advanced Digital Servo Control 77ODC

26、INTIInterrupt of Optical Device Control. 78AVINTIAV decoder XHINT. 79ICRSTOReset for every Ics. H=reset. 80STBDAC3OStandby of DAC3 81-IAddress/data mode. Pull up=address/data separate. 82RSTIReset 83VddI+5V 84-91CPUDATA0-7I/OData bus(0-7) 92VssOGND 93-100CPUDATA8-15I/OData bus(8-15) MICROPROCESSOR P

27、ERIPHERY DIAGRAM X35,IC600 VIDEO DAC X35,IC2X35,IC300X35,IC700X35,IC400X25,IC5/6 V. OUT A. OUT PICKUP FRONT END PROCESSOR OPTICAL DEVICE CONTROL CONTENTS PROTECTION for PRERECORD MEDIA AV DECODER AUDIO DAC ADSC SDRAM WATER MARK X35,IC401/2 SIO1 X25,IC18 BUS SIO0 I/O X35,IC500 8 8 X35,IC502 1M SRAM (

28、DVD-TEXT) MAIN MICROPROCES SOR FLASH ROM(1M) E2PROM(4K) KEY LED X25,IC100 X14,ED1 DISPLAY REMOTE CONTROL X25,IC102 MECHANISM SUB MICROPROCESSOR E2PROM(4K) MECHANISM/POWER SUPPLY 1616 DV-4070-B/4900/DVF-R7030-B/R9030 7 CIRCUIT DESCRIPTION Step functionRemarks 1POWER-ON 2CD-TRAY CLOSE. 3DISC-POSITION-

29、SW ON Display shows blinking INITI 4ROTARY-SW ON 5TRAVERSE-UNIT 6RAM unit inspection, factory test mode, measurement. In this manual, items of repair, test mode and inspection are available. Setting Turn power on with pressing PAUSE key. Display shows TEST. Turn power on with pressing DISC1 key. Dis

30、play shows INSPECTION. Cancellation of Setting Turn power off. Key vs Function Keys which described in the following table work as it is. TEST MODE Key ModeDisplayOperation PLAY-Playback timeDisc Playback SKIP-UPSTOP All segments light Niagaramode Playback time Display shows cyclically by pressing k

31、ey SKIP-UPPLAYBACKPlayback timePlayback next chapter/track #/program # SKIP-DOWNPLAYBACKPlayback timePlayback before chapter/track #/program # STOP-Time Stop to operate and return to first step of this test mode. PAUSE Playback DAD-VIDEO Track # Playback program-playback automatically. Order of play

32、back: T# 1-1 4-1 4-2 4-3 4-4 3-6. UP/DOWN keys acceptable. DISC1Playback CDTrack # Playback program-playback automatically. Order of playback: T# 2 3 7 416. UP/DOWN keys acceptable. DISC2PLAYBACK MUTE ON MUTE OFF Mute works cyclically on or off. DISC3- LPF 60kLPF 110k Speaker protection works cyclic

33、ally on or off.(Cut- off freq. Change 60k or 110k) DISC4- WIDE1WIDE2 NORMAL WIDE mode changes cyclically WIDE1 or WIDE2. DISC5- SCART RGBSCART YCSCART Through Video signal of SCART changes cyclically RGB(DVD)Y/C(DVD)Through(AV1AV2) OK or IC*Self check mode(refer to Servo Error Code) IC 100 ERRORADSC

34、 Defective. IC 2 ERRORFEP Defective. IC 300 ERRORODC Defective. IC 400 ERRORAV DEC Defective. STOP+DISC1STOPRotary turns clockwise. STOP+DISC2STOPRotary turns counter clockwise. STOP+DISC3STOPTray opens STOP+DISC4STOPTray closes -DISC SKIP DV-4070-B/4900/DVF-R7030-B/R9030 13 CIRCUIT DESCRIPTION INSP

35、ECTION Key ModeDisplayOperation PLAY-Playback timeDisc Playback SKIP-UPSTOP All segments light Niagaramode Playback time Display shows cyclically by pressing key SKIP-UPPLAYBACKPlayback timePlayback next chapter/track #/program # SKIP-DOWNPLAYBACKPlayback timePlayback before chapter/track #/program

36、# STOP-INSPECTION Stop to operate and return to first step of this inspection mode. STOPSTOP Model/destination/re gion code Stop to playback and return to first step of this test mode. DISC1PLAYBACKJitter *% Shows jitter value(binary value vs time deviation of PLL-clock) DISC2- CPPM KEY ID 15 figure

37、s. DISC4- WIDE1WIDE2 NORMAL WIDE mode changes cyclically WIDE1 or WIDE2. DISC5- SCART RGBSCART YCSCART Through Video signal of SCART changes cyclically RGB(DVD)Y/C(DVD)Through(AV1AV2) DISPLAY CONTENTSREASONCANCELING KEYREMARKS Main processor doesnt work Sio-0 bus damaged No right position of rotary

38、Foreign matter inserted No right position of rotary Foreign matter inserted E1102No turn of rotaryForeign matter inserted OPEN/CLOSE or DISC SKIP E0101No openMechanism jamCLOSE Initialization No showNo CloseMechanism jamInitialization Disc full load Not stop to turn theproper position Load disc at n

39、oproperposition Foreign matter inserted at sensor No showWaiting Turn power off in open/close mode. CLOSE Press the CLOSE key after turn the power on again. OPEN/CLOSE or DISC SKIP Check the sensor of discs on the rotary. NO Remove the one disc after turn power off E0102Playing Disc inside No detect

40、ion of disc position E0103 No contact with main processor No cancellation of chucking Poor disc chuckingNo E1101 No E1001No ERROR CODE OF MECHANISM DV-4070-B/4900/DVF-R7030-B/R9030 14 DEFINITIONCONTENTSCODEBLOCKTIMING ODC(Optical Device Control) MOD_NOT_CRCOKNo CRCOK signal0 x4303(ADSC,ODC,disc ,pic

41、kup) Read address error at lead in or focus jump. MAS_ECC_ERRAbnormal ODC0 x4301ODCNo emission OK on disc and host in 5 secs. LAYER_CMP_ERRAbnormal LAYER in seek mode- OUT_PB_AREA_NGOUT of PB AREA- DATA_TR_PLAY_NGDATA Track Play- SEEK_NG_CHGNVNo data caused seek error- UNCORRECT_ERR No control data

42、by demodulator error - INVALID_CMD_ERROut of secter ID0 xD601 Over data from disc(DVD0 xFFF)(VCD 00:02:00 less)(CD0 xFFF) UNCORRECT_LEADIN No lead-in data by demodulator error 0 xD602Time over in lead-in. UNCORRECT_ KEYDET No lead-in data by demodulator error 0 xD603 (ADSC,ODC,disc ,pickup) ODC,disc

43、 ERROR CODE OF CIRCUIT BY SELF CHECK MODE (TEST MODE) DEFINITIONCONTENTSCODEBLOCKTIMING SERVO TRAY_LOADING_ERRTray Loading Error.0 x4000 ADSC, TRAY Mechanism, Motor LSI DCM_TRAYCTL_T(time out 5secs) FOCUS_SVERRFocus Servo Error.0 x4100 ADSC, pickup & actuator, Driver LSI DCM_FCON_T(time out 5secs),

44、Lock NG, NG of seek. SPINDLE_SVERRSpindle Servo Error.0 x4101 ADSC, Driver LSI, disc Motor DCM_DMON_T(time out 10 secs),Time out of checking stop,Time out of start to turn. DSC_DM_ERR DSC Disc Motor Error. Abnormal FG-period in DVD, Abnormal turn of disc motor, 0 x4102 ADSC, Driver LSI, disc Motor D

45、CM_DMOF_T(time out 10secs), DCM_DMMODE_T(time out100ms) Abnormal turn of disc motor., CDC_CLV_ERR 6626 CLVS Failure. Abnormal FG-period in CD 0 x4103 ADSC, Driver LSI, disc Motor DCM_DMOF_T(time out 10secs) Setting abnormal CLV TRAVERSE_ERRTraverse Motor Error.0 x4104 ADSC, Driver LSI, feed Motor DC

46、M_INNER_T(time out 5secs) TRACK_SVERRTracking Servo Error0 x4105 ADSC, pickup & actuator, Driver LSI DCM_TRON_T(time out 1sec) Command error,Focus jump Lock NG (ReSartServo) NG of SEEK_TIMEOUT_ERRSeek Time Out Error0 x4106 ADSC, pickup & actuator, Driver LSI Over 200 seek times DSC_ERROR DSC Error (

47、status data error) 0 x4200ADSCCommand error DSC_NOTREADYDSC Not Ready Error0 x4201ADSCADSC REDY time out DSC_TIM_ERRDSC TimeOut Error.0 x4202ADSC Over of CLV OK Over of command end DSC_COM_ERR DSC Communication Failure. 0 x4203ADSCNo use DSC_ATN_ERRDSC Attention Error.0 x4205ADSC Error of CD-trick p

48、lay and CD/DVD seek. FC jump in DVD-play. INVALID_MDTYPOut of Media0 x4300ADSC No check of media, Error after servo retry. Abnormal disc. DONOT_QREAD_ERR 6626 QCODE do not Read Error. 0 x4302ADSC Read error in Cue or Rev play of CD DSC_ESCAPEDSC Command Escape-ADSC Stop servo operation after setting the ESC flug in mode register of ADSC. FEP_IC_ERR Adjustment error on data slice offset 0