Kenwood-CKDC-MP-576-Service-Manual 电路图 维修手册.pdf

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1、 2006-2 CREATED IN JAPAN B53-0385-00 (N) 0 CD RECEIVER SERVICE MANUAL This product uses Lead Free solder. CKDC-MP576 CKDC-MP676F CKDC-MP676V Front glass CKDC-MP576 (B10-4838-02) MANUFACTURED BY VISTEON VOL AUD FF SET UP SCANRDMREP DIM AUTO FM AM QAMEMENUF.SEL SCRL VOL AUD FF SET UP SCANRDMREP DIM AU

2、TO FM AM QAMEMENUF.SEL SCRL Front glass CKDC-MP676F/MP676V (B10-4839-02) Mounting hardware assy (J22-0227-03) Lever (D10-4705-04) x2 DC cord (E30-6583-05) Escutcheon (B07-xxxx-xx) Carrying case (W01-1661-05) Depends on the model. Refer to the parts list. RadioFans.CN 收音机爱 好者资料库 2 CKDC-MP576 CKDC-MP6

3、76F/MP676V BLOCK DIAGRAM E2PROM TUNER + MPX + E-VOL. IC10 CD MECHA BU D5V A8V SYSTEM u-COM BU SP-OUT MUTE Q701-703 PRE-OUT PHONE ACC-DET Q101 SURGE- Q51 BU-DET Q103 Q6,7 SW14V Q1 Q2,3 DC-CN A8V SERVO+B D5 BU5 SW5 DET MUTE DC-CN etc PAN5V RESET IC IC8 ILLUMI+B CN PANEL DET RESET ENCODER ROTARY REMOTE

4、SW5V VFD DRIVER KEY ILLUMI DISPLAY IC1 SW5 Q21 IC1 PAN5 IC14 IC3 J1 FM+B +B FM Q8,9 ILLUMI+BILLUMI+B AM+B S11 LED ED1 FL+B J6 PRE Q104,105 IC11 IC7 SERVO+B A8V BU5 BU5DSI Q301 Q401 BU5 BU5 J1 DME1 REMOTE WIRED BU5 SW5 CD SERVO BU5 CN3 RDS DECODER SW5 SW5 AM AGC Q501 AM+B FM AGC Q502 J2 ANT BU5 POWER

5、 IC Q901-903 OFFSET DC DET R103 BU5 SUPPLY POWER IC IC3 FL+B Q5 SW14V SW5 1/2W Rx5 R11-15 S1 R80-82 1/2W Rx3 FL+B GND KEY MATRIX SWITCH J1 J5 32 2 11 1 REAR L/R FRONT L/R FRONT BU DET ACC PHONE P-ANT P-CON B.U. MUTE PHONE ACC DET RST PHONE ACC-DET/BU-DET PS1-1/PS1-2/PS1-3 P.ON FL PS2-1/PS2-2 5 9 BU

6、DET Q103 From 1 3 3 1 2 1 1 REAR From X16- 1 To IC1 To IC1 To IC1 From IC1 PON FL PS1-1/PS1-2/PS1-3 PS2-1/PS2-2 From IC1 119 1 2 2 ELECTRIC UNIT (X34- ) (X16- ) CD PLAYER UNIT (X32-586x-xx) (X34- ) BOARD MOTHER EF A C B TR COIL FO COIL DPU1 APC IC7 16.934MHz CLOCK IC3 LPF IC2 SWA3.3V REG IC1 LOADING

7、 & MECHA u-COM IC4 CLOCK 16.00MHz RF AMP SERVO MP3 DECODER WMA DECODER 1Mbit SRAM PROCESSOR D3.3V REG IC6 MOTOR DRIVER MOTOR SPINDLE BU3.3V REG IC5 S2 S1 S3 AAC DECODER SLED MOTOR DM2 DM1 Q4 X2 X1 Q7,8 IC10 4Mbit DRAM + + + + + 1.6V REG VREF D.GND BU5V 12EJE-SW LOS-SW LOE/LIM-SW D.GND D5.0V MOTOR LO

8、/EJ S.GND D.GND D.GND S.GND DATA MUTE R MUTE L MSTOP MRST CLK A.GND A8V R-ch L-ch D.GND S.GND D.GND D.GND D.OUT S7.5V DMUTE D.GND P-ON1 P-ON2 RadioFans.CN 收音机爱 好者资料库 3 CKDC-MP576 CKDC-MP676F/MP676V COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-4570-10) Ref. No.Application / FunctionOperation / Condition

9、 IC1System -COMSystem control IC3Power Supply ICDC5V x 1, 7.9V x 1, 8.1V x 2, 10.2V x 1, P-CON, P-ANT output IC8Reset IC“L”: detection voltage below 3.6V IC10E-VOL & TunerE-VOL, Tuner, Stereo decoder IC11E2PROMSave & Load for tuner adjust data IC14Power ICSignal amplifier Q114V SWON when the base go

10、es “Hi” Q2SERVO+B AVROutput voltage 7.5V Q3Control SW for SERVO+BON when the base goes “Hi” Q5FL+B SWON when the base goes “Hi” Q6FL+B AVROutput voltage 11V Q7Control SW for FL+BON when the base goes “Hi” Q8FM+B AVROutput voltage 8.0V Q9Control SW for FM+BON when the base goes “Hi” Q51SERGE Det.ON w

11、hen the base goes “Hi” Q101ACC Det.ON when the base goes “Hi” during ACC is applied Q103BU Det.ON when the base goes “Hi” during BU is applied Q104,105MUTE ControlON when the base goes “Hi” Q301DSI ILLUMI SWON when the base goes “Hi” Q401Panel 5V SWON when the base goes “Lo” Q501AM RF AmplifierAdjus

12、ts for gain Q502FM RF AmplifierRF amplifier Q701Mute driver for PRE OUTON when the base goes “Lo” Q702Mute SW for Lch PRE OUTPre-output is muted when the base goes “Hi” Q703Mute SW for Rch PRE OUTPre-output is muted when the base goes “Hi” Q901DC OFFSET DetON when the base goes “Q902 and Q903s outpu

13、t separate” Q902,903DC OFFSET Det SWON when the base goes “IC14s SP-OUT (DC) separate” SWITCH UNIT (X16-381x-xx) Ref. No.Application / FunctionOperation / Condition IC1VFD DRIVER Q21PAN SW5V“ON” when the base goes “H” RadioFans.CN 收音机爱 好者资料库 4 CKDC-MP576 CKDC-MP676F/MP676V CD PLAYER UNIT (X32-5860-0

14、0) Ref. No.Application / FunctionOperation / Condition IC1A3.3V regulatorPower supply for audio 3.3V IC2Ope amp for low-pass filter IC34ch BTL driverDriving spindle motor and loading/ejection operation IC4Mechanism -com IC5BU 3.3V regulatorPower supply for backup 3.3V IC6D3.3V regulatorDigital 3.3V

15、power supply IC7Audio DAC built-in servo DSPMP3, WMA, and AAC compatible IC9E2PROM IC11Buffer ICLevel shift Q1A3.3V discharge circuit Q4Current ampAdjusts current to be sent to laser Q5,6SW 5V Q7,8SW 8V D1For current amp COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -com: IC1 (X3

16、4-: ELECTRIC UNIT) Pin No.Pin NameI/OApplication Truth Value Processing / Operation / Description Table 1PS2 2OPower IC control 2-2qRefer to the truth value table 2PS2 1OPower IC control 2-1qRefer to the truth value table 3PS1 1OPower IC control 1-1qRefer to the truth value table 4PS1 2OPower IC con

17、trol 1-2qRefer to the truth value table 5PS1 3OPower IC control 1-3qRefer to the truth value table 6REMOIRemote control signal inputDetect pulse width 7NC-Not usedFix to output L 8BYTEIMemory extension bus width settingConnect to VSS 9CNVSS-Connect to VSS. H: Can be changed (Only for FLASH) 10XCIN-3

18、2.768kHz 11XCOUT-32.768kHz 12RESET-L: RESET 13XOUT-10.0MHz 14VSS- 15XIN-10.0MHz 16VCC1- 17NMIIConnect to VCC (pull up) 5 CKDC-MP576 CKDC-MP676F/MP676V Pin No.Pin NameI/OApplication Truth Value Processing / Operation / Description Table 18CN DETIPanel communication detectionH: Without PANEL, L: With

19、PANEL 19NC-Not usedFix to output L 20KEY REQICommunication request form VFD driverConnect to INT 21PON FLOKey illumi power supply controlON: H, OFF: L 22DSII/ODSI controlOFF: Hi-z PANEL detached, Pulse drive ON: H 23PON PANELI/OPanel 5V control ON: L, Momentary power down, when PANEL detached, 11 mi

20、nutes after ACC OFF: Hi-z 2427NC-Not usedFix to output L 28PWIC BEEPOBeep output 29CD SCLI/OCD mechanism I2C clock output 30CD SDAI/OCD mechanism I2C data input/output 31VFD SYS DATAOVFD data outputData output 32VFD PAN DATAIVFDINT/data inputINT/data input 33VFD CLOVFD clock output52kHz 34VFD INHOVF

21、D data blanking output H: Cancel reset, L: RESET, L: Momentary power down, when PANEL detached, 11 minutes after ACC OFF 35AUD SDAI/OIC10 I2C data input/output 36AUD SCLI/OIC10 I2C clock input/output 37CD MUTEICD MUTE requestL: MUTE request 38CD MSTOPOCD mechanism -com stopH: Mechanism -com in opera

22、tion, L: Mechanism -com stopped 39CD LOE LIM SWICD detection (chucking SW)H: Loading completed, L: Disc not found 40CD LOEJI/OCD motor controlwRefer to the truth value table 41EPMIFLASH EPM inputL: Can be changed (Only for FLASH). Connect to VSS (pull down) 42CD MOTOROCD motor controlwRefer to the t

23、ruth value table 43CD DISC8 SWICD disc detection (8cm) 44CD MRSTOCD mechanism -com RSTH: Normal, L: Reset 45CD DISC12 SWICD disc detection (12cm) 46VFD CEOVFD control request 47CD LOS SWICD loading detection 48,49NC-Not usedFix to output L 50ROTARY CWIVOL key inputDetect pulse width 51NC-Not usedFix

24、 to output L 52ROTARY CCWIVOL key inputDetect pulse width 5356NC-Not usedFix to output L 57RDS AFS LOTUN RDS MUTE output H: Normal L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero) 58TUN ADJI For IC10 adjustment +When ADJ=H, PS1-1,2,3=Hi-z, PS2-1,2=Hi-z, E2PROM write requestTUN DATA, CLK=Hi-z,

25、MUTE=L, E2PROM writing-in 59TUN SDITUN search stop inputH: Station found, L: Station not found MICROCOMPUTERS TERMINAL DESCRIPTION 6 CKDC-MP576 CKDC-MP676F/MP676V Pin No.Pin NameI/OApplication Truth Value Processing / Operation / Description Table 60TUN FANC OUTOTUNER block (in -com) checkOnly when

26、test mode, E2P OK: H, E2P NG: L, Normal: L 61PON FMI/OFM power supply controlH: When FM is active, Hi-z: When FM is not active 62VCC2- 63NC-Not usedFix to output L 64VSS- 65MUTEI/OMUTEL: MUTE OFF, Hi-z: MUTE ON 66PWIC SVROSVR discharge circuit (Not used) When momentary power down by POWER OFF, 5 sec

27、onds : H, Thereafter: L 67PWIC STBYOPower IC stand-by controlPOWER ON: H, POWER OFF: L 68PWIC MUTEOPower IC MUTE While STANDBY source, Momentary power down: L , While TEL MUTE: L 6974NC-Not usedFix to output L 75RDS CLKIRDS decoder CLK input (RDS model only) 76TUN TYPE1IDestination setting 1eRefer t

28、o the truth value table 77TUN TYPE2IDestination setting 2eRefer to the truth value table 78TYPE1IDestination changerRefer to the truth value table 79TYPE2IDestination changerRefer to the truth value table 80TYPE3IDestination changerRefer to the truth value table 81RDS NOISEIFM noise detection 82TUN

29、SMETERIS meter input TUN RDS MUTE output H: Normal 83RDS AFS L 2O (Not used in circuit, used in software) L: FM/AM SEEK, AF search (L: When Tuner SRC Auto Zero) * Same process with RDS AFS L 8486NC-Not usedFix to output L 87PWIC DC DETIDC offset detection 88LINE MUTEILine mute detection TEL MUTE: 1V

30、 or lower, NAVI MUTE: 2.5V or higher NAVI MUTE: 1V or lower and 2.5V or higher (J-TYPE) 89,90NC-Not usedFix to output L 91RDS DATAIRDS decoder DATA input 92RDS QUALIRDS decoder QUAL input 93NC-Not usedFix to output L 94ACC DETIACC power supply detectionL: ACC ON, H: ACC OFF 95BU DETIMomentary power

31、down detection L: BU found, H: BU not found, momentary power down Activated within 4ms after detection of momentary power down 96AVSS-Connect to VSS 97REF CONOVREF controlConnect to VREF 98VREF-Connect to REF CON 99AVCC-Connect to VCC 100NC-Not usedFix to output L MICROCOMPUTERS TERMINAL DESCRIPTION

32、 7 CKDC-MP576 CKDC-MP676F/MP676V Truth Value Table q : Power supply IC (IC3) control SEL1 (Pin No. 11) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT LLLOFFOFFOFF LLHONOFFOFF HLHONONOFF HHHONONON SEL2 (Pin No. 12) PS1-1PS2-2AUDIOSW5AM LLOFFOFFOFF HLONONOFF HHONONON w : CD mechanism control operation CD MOTORCD LOE

33、J StopLL LoadHL EjectHH BrakeHHi-z e : Destination setting ModelTYPE 1TYPE 2 KENWOOD brand model (initial value)LL OEM model (with CRSC changed)LH KENWOOD brand model (with CRSC changed)HL KENWOOD brand model (to support test-driving in EU)HH r : Destination change TYPE 3TYPE 2TYPE 1 Model (Pin 80)(

34、Pin 79)(Pin 78) 000CKDC-MP576/MP676F/MP676V MECHANISM -com: IC4 (X32- : CD PLAYER UNIT) Pin No.Pin NameI/OApplication Processing Operation Remarks Description 1NC-Not usedLow-fixed 2E2P SCLI/OROM correction E2P I2C clock 35NC-Not usedLow-fixed 6VDD-5V electric potential 7GND-GND electric potential 8

35、,9NC-Not usedLow-fixed 10,11PON1, PON2OPower ON/OFF controlH : ON, L : OFF 12LOE/LIM SWIDown-limit SW detectionL : Lim detection MICROCOMPUTERS TERMINAL DESCRIPTION 8 CKDC-MP576 CKDC-MP676F/MP676V Pin No.Pin NameI/OApplication Processing Operation Remarks Description Used with DXM-6685W (X32-586). 1

36、3DAC MUTEODAC MUTE controlH : MUTE ON, L : MUTE OFFWith DXM-6580W (X32-574), open and L-fixed. Used with DXM-6685W (X32-586). 14DAC RSTODAC RESETH : NORMAL, L : RESETWith DXM-6580W (X32-574), open and L-fixed. H : Emphasis ON, Used with DXM-6685W (X32-586). 15EMPHOExternal DAC Emphasis control L : E

37、mphasis OFF With DXM-6580W (X32-574), open and L-fixed. 16,17NC-Not usedLow-fixed 18IC/Vpp-Write voltage (FLASH) L : Normal operation, H : In writing. 19MUTE LOLch audio MUTE controlL : MUTE ON, H : MUTE OFF 20MUTE RORch audio MUTE controlL : MUTE ON, H : MUTE OFF 21TYPEIDAC switching H : DSP built-

38、in DAC used,H : DXM-6580W (X32-574), L : DSP built-in DAC Not usedL : DXM-6685W (X32-586) 22TEST O 1OTEST MODE O 1(Not used) 23TEST O 2OTEST MODE O 2(Not used) 24TEST O 3OTEST MODE O 3(Not used) 25TEST O 4OTEST MODE O 4(Not used) 26NC-Not usedLow-fixed 27WAITIWait control signal detection 2830NC-Not

39、 usedLow-fixed 31RESETIReset detectionH : NORMAL, L : RESET 32XT1INot used 33XT2-Not used 34REGC- 35X2- 36X1I 37Vss-GND electric potential 38VDD-5V electric potential 39NC-NCOutput stopped in standby3.3V driven 40WRLIMultiplex WRITE signal3.3V driven 41,42NC-Not usedLow-fixed3.3V driven 43RDOMultipl

40、ex RD signal3.3V driven 44ASTBOMultiplex ASTB signal3.3V driven 45NC-Not usedLow-fixed3.3V driven 46NC-Not usedLow-fixed3.3V driven 4754AD0AD7I/OMultiplex address/data3.3V driven MICROCOMPUTERS TERMINAL DESCRIPTION 9 CKDC-MP576 CKDC-MP676F/MP676V Pin No.Pin NameI/OApplication Processing Operation Re

41、marks Description 55BVdd-BUS interface power supply 56BVss-BUS interface GND 5761AB8AB12I/OMultiplex data/address3.3V driven 6265NC-Not usedLow-fixed3.3V driven 66CSOChip select controlH : OFF, L : ON3.3V driven 67DSP RESETODSP reset controlH : NORMAL, L : RESET3.3V driven 6870NC-Not usedLow-fixed3.

42、3V driven 71Avdd- 72Avss- 73AvrefIA/D port reference voltage input 74NC-Not used.Low-fixed 75RAMSELI With DRAM/No DRAM switching H : With DRAM, L : No DRAM for different models 76RZMI0bit MUTE detectionH : 1.7V, L : 1.7V 77LZMI0bit MUTE detectionH : 1.7V, L : 1.7V 78AACIAAC compatibility switching H

43、 : AAC non-compatible,AAC non-compatible mode has priority L : AAC compatiblefor both hardware and software. 79ASELIAudio output polarity switching H : Reverse output, L : Non-reverse output 80E2P WRIE2PROM write switching H : E2PROM WRITE, L : NORMAL 81TEST I 0ITEST MODE I 0(Not used) 82TEST I 1ITE

44、ST MODE I 1(Not used) 83TEST I 2ITEST MODE I 2(Not used) 84TEST I 3ITEST MODE I 3(Not used) 85,86NC-Not usedLow-fixed 87MSTOPIStandby restart interruptionH : STOP release, L : STOP 88INTSVIInterruption from servo ICH : Interruption 8992NC-Not usedLow-fixed 93D-MUTEODriver MUTEH : OFF, L : ON 94SYS S

45、DAI/OSystem -com I2C dataFlash write port (SI0) 95NC-Not usedLow-fixedFlash write port (SO0) 96SYS SCLI/OSystem -com I2C clockFlash write port (SCK0) 9799NC-Not usedLow-fixed 100E2P SDAI/OROM correction E2P I2C data MICROCOMPUTERS TERMINAL DESCRIPTION 10 CKDC-MP576 CKDC-MP676F/MP676V How to enter th

46、e test mode Press and hold the 1 and 3 keys and reset. How to clear the test mode Reset, momentary power down, Acc OFF, Power OFF, de- tach the panel. Test mode default condition Source is STANDBY. Display lights are all turned on. The volume is at -10dB (The display is 30). LOUD is OFF. CRSC is off

47、 regardless of the availability of switching func- tion. SYSTEM Q (dB equalizer) is NATURAL (=FLAT). BEEP should always functions when the key is pressed. Specification of test mode for tuner TUNER mode 4 key frequency shall be 98.3MHz. CD receiver test mode specification Display mode default settin

48、g shall be P-TIME. Jumps to the following tracks by pressing the key. No. 9 No. 15 No. 10 No. 11 No. 12 No. 13 No. 22 No. 14 No. 9 (recursive) Note that when playing an MP3 / WMA / AAC disc with 8 files or less, the disc is played from the 1st track in the normal order. Pressing the key goes back by

49、 1 track from the track being played. While in CD source, press the 1 key to jump to No. 28. While in CD source, press the 2 key to jump to No. 14. While in CD source, press the 3 key to display the CD mechanism model name and the version. Press the 3 key again to go back to the normal screen. (Time code display) MP3 CD mechanism Normal CD mechanism When CD is the source, press the 6 key to jump to No. 15. At this time, the volume value is set to 25. AUDIO adjust mode Press the AUD key and enter the audio adjustment mode. Press the remo