Kenwood-KDCBT-40-U-Service-Manual(2) 电路图 维修手册.pdf

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1、 2010-1 PRINTED IN JA PAN B53-0781-00 (N) 341 CD RECEIVER KDC-BT40U/BT645U KDC-U546BT SERVICE MANUAL This product uses Lead Free solder. This product complies with the RoHS directive for the European market. * Depends on the model. Refer to the parts list. Panel assy KDC-BT40U (A64-5015-02) Panel as

2、sy KDC-BT645U (A64-5013-02) TDF SPARE-PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-BT40UY33-3272-72TDF-BT40U KDC-BT645UY33-3270-10TDF-BT06D KDC-U546BTY33-3270-21TDF-U546BT Panel assy KDC-U546BT (A64-5017-02) Mounting hardware assy (J22-0789-03) * Remote controller assy (RC-405) (A70-2104-05) Escutc

3、heon (B07-3271-01) Lever (D10-7106-04) x2 * Screw set (N99-1757-15) * DC cord (E30-6933-05) * Carrying case (W01-1710-05) * Screw (4x16) (N84-4016-48) Bluetooth KDC-BT40UKDC-BT645U Bluetooth KDC-U546BT Bluetooth * Plastic cabinet assy (A02-2755-23) * DC cord (E30-6934-05) RadioFans.CN 收音机爱 好者资料库 2 K

4、DC-BT40U/BT645U KDC-U546BT BLOCK DIAGRAM 2 1 BU DET PHONE ACC DET RESET 9 5 BU DET 1 1 MUTE R15 12 2 2 3 1 1 1 111 R118 1 PS1-1 / PS1-2 ACC-DET / BU-DET PS1-3 / PS2-1 PHONE REAR FRONT PS1-1 / PS1-2 PS1-3 / PS2-1 P-ANT P-CON SP-OUT PHONE ACC BU FRONT L/R REAR L/R P-STBY 2 13 2 2 8 PANEL5V to GND 9 5

5、R31,32 FL+B PAN SW5 PAN SW5 1 2 REAR/SW E-VOL IC2 A8V SYSTEM u-COM Q707 PHONE ACC DET Q101 Q103 BU DET Q102 SW14V Q11,12 Q2,3 A8V SERVO+B BU5V SW5 PANEL5V RESET IC IC8 ILLUMI+B CONNECTOR RESET IC1 IC6 J1 ILLUMI+B Q701-706 MUTE Q104,105 IC501 Q301 BU5 J4 SW5V S3 A8V ANT. IC7 SW5 BU5 BU5 SW5 IC4 FL+B

6、J3 SW5 RDS DECODER TUNER Rx1 1/2W CD SERVO IC SUPPLY POWER DC-CN etc MUTE PRE IC POWER PRE-OUT DET SURGE DC-CN BU USB5V BU5 DC/DC5V IC51 CD MECHA DME1 SW HI-SIDE USB5V IC52 A900 BU BU5 (ATOMIC) LX-BUS PANEL DET ENCODER ROTARY REMOTE IC2 FRONT J2 AUX S1 FL USB CN ED1 J3 ILLUMI KEY MATRIX KEY 1/2W Rx2

7、 J4 OEM REMOTE SW5 FL+B SHIFT LEVEL IC900 LPF Q902 BU5 SERVO+B BT3.3V IC901 BT3.3V A8V BT MIC CN CN1 BLUETOOTH MODULE ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) BU1.5V BU3.3V SW3.3V DPU1 CD PLAYER UNIT (X32-6260-01) BOARD MOTHER (X34- ) EF A C B TR COIL FO COIL APC IC2 16.934MHz CLOCK IC3 LOADING & M

8、OTOR DRIVER MOTOR SPINDLE S2 S1 S3 SLED MOTOR DM1 DM2 X3 Q7 RF AMP SERVO MP3 DECODER WMA DECODER 1Mbit SRAM PROCESSOR AAC DECODER + + + + + LEVEL SHIFT IC5 iPod IC7 REG BU3.3 / AUTHENTICATION LEVEL IC6 SHIFT IC1 u-COM Q5 SW BU1.5V IC9 SW3.3V REG Q3 SW CLOCK 9.000MHz X1 32.768kHz CLOCK X2 IC4 INV Q9

9、MECHANISM VREF 12EJE SW LOS SW LOE SW MOTOR LO/EJ AGND TRO FOO DMO FMO LD SIGNAL A/B/C/E/F S.GND S7.5V FOO TRO DMO FMO CD DRIVE MUTE SO SRAMSTB SI BUCK CCE CD REQ MSTOP BUCK CCE REQ SO SI RST MRST Lch Rch Z DET MUTE L/R DGND DVSS BU1.5V SW1.5V D3.3V BU5V PD VBUS SW USB+ VBUS OC USB- DATA SCD SI REQ

10、A MRST MSTOP CLK CD MUTE REQ M DATA M USB D+ USB D- USB VBUS SW USB OC CD LOE LIM SW RVIN1/RVIN2 DVCC3B PON DVSS DVCC3A PWE CD SO DSP REQ CD CLK CD RST ZDET IN CD SRAMSTB CE BSIF LRCK BSIF DATA BSIF BCK BSIF GATE BSIF ST REQ IPOD SDA IPOD SCL AVSS A3.3V LO RO BSIF ST REQ BSIF GATE BSIF DATA BSIF BCK

11、 BSIF LRCK G D S RadioFans.CN 收音机爱 好者资料库 3 KDC-BT40U/BT645U KDC-U546BT COMPONENTS DESCRIPTION SWITCH UNIT (X16-678x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC2Remote Control Sensor Q20Key Scan Timing AdjustWhen the base is Hi, key scan starts. Q21Grid Reversing Driver

12、When the base is Hi, GRID1 is ON. Q22Grid Reversing DriverWhen the base is Hi, GRID2 is ON. Q23Grid Reversing DriverWhen the base is Hi, GRID3 is ON ELECTRIC UNIT (X34-662x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1System -COMControls FM/AM tuner, CD mechanism, Panel

13、, volume and tone. IC2E-VOLControls the source, volume and tone. IC4Power Supply ICOutputs 5Vx2, 8.3V, 10.2V, P-CON and P-ANT. IC6Power IC Amplifi es the front L/R and the rear L/R to 50W maximum. IC7RDS ICRDS decoder. IC8Reset ICLo when detection voltage goes below 3.6V. IC51SW REGPower supply for

14、D+5.1V. (to USB and panel) IC52Hi-side SWDetection of USB over-current. IC501Tuner IC (ATomIC)Tuner IC. IC900LPF Bluetooth outputs low pass fi lter. IC901D+3.3V AVR ICPower supply for BT+3.3V. Q2,3Servo+B AVRWhen Q3base goes Hi, AVR outputs 7.5V. Q11,12Control SW for Servo+BON when the base goes Hi.

15、 Q13Control SW for IC4ON when the base goes Hi. Q14Control SW for IC4ON when the base goes Lo. Q53FREQ CONT SW for IC51 When the base goes Lo, switching frequency becomes 1.3MHz. When the base goes Hi, switching frequency becomes 1.8MHz. Q101ACC DETON when the base goes Hi during ACC is applied. Q10

16、2Surge DETWhen the base goes Hi, surge voltage is detected. Q103BU DETON when the base goes Hi during BU is applied. Q104,105Mute ControlON when the base goes Hi. Q301Panel 5V SWON when the base goes Lo. Q707706Pre-out Mute SWWhen a base goes Hi, Pre-out is muted. Q707Mute Driver for Pre-outON when

17、the base goes Lo. Q901BT Module Reset ControlWhen the base goes Hi, BT module is reset. Q902Level Shift (5V3.3V)Dual FET. CD PLAYER UNIT (X32-6260-01) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1Mechanism -COM Controls DSP and peripheral circuit. USB host controller. (Comp

18、liant with Universal Serial Bus Specifi cation Rev2.0) IC2Servo DSP with Built-in Audio DAC Built-in MP3WMAAAC decoder. Built-in 1M-bit-SRAM. IC34ch BTL Driver Driver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection. IC4iPod Authentication Conn

19、ection authentication for iPod. MFI341S2162: iPhone-compliant. RadioFans.CN 收音机爱 好者资料库 4 KDC-BT40U/BT645U KDC-U546BT COMPONENTS DESCRIPTION Ref. No.Application / FunctionOperation / Condition / Compatibility IC53.3V5.0V Level ShiftConverts communication signal from 3.3V to 5.0V. IC65.0V3.3V Level Sh

20、iftConverts communication signal from 5.0V to 3.3V. IC7BU1.5V / BU3.3V Regulator Power supply for digital back-up. Power supply for mechanism -COM. IC8E2PROM (Not used) Memory for ROM correction. Countermeasure for software malfunction. IC9A3.3V RegulatorPower supply for digital, analog and audio li

21、ne. Q3D1.5V Output The output voltage in which the power supply that diverges from the BU1.5V line is turned on and off is used as D1.5V. Q5B.3.3V Output The output voltage in which the power supply that diverges from the BU3.3V line is turned on and off is used as D3.3V. Q6Control signal InverterCo

22、ntrols Q5. Q7APC (Auto Power Control)Laser diode driver. Q9Control signal Inverter Because the detection logic of LOE/LIM_SW is different in the mechanism -COM and the system -COM, the logic to the mechanism -COM side is reversed. D1Laser Diode Protection Prevents reverse bias which is applied to la

23、ser. Laser destruction prevention. D2,3 Countermeasure against Static Elec- tricity The potential difference between DGND and AGND is absorbed, and the malfunc- tion by static electricity is prevented. 5 KDC-BT40U/BT645U KDC-U546BT MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -COM : IC1 on X34- (ELECT

24、RIC UNIT) Pin No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 13NC-Not used Output L fi xed 4REMOIRemote control inputDetects pulse width 5NC-Not used Output L fi xed 6BYTE-Setting of memory extension bus Connects to VSS 7CNVSS- Connects to VSS H: Rewritable (Only wh

25、en fl ash ROM is used) 8XCIN-32.768kHz 9XCOUT-32.768kHz 10RESET-L: Reset 11XOUT-16.0MHz 12VSS- 13XIN-16.0MHz 14VCC1- 15NC-Not used Output L fi xed 16LX REQ SICommunication request from slave unit 17RDS CLKIRDS decoder clock input 18PANEL DETIPanel communication detectionH: Panel detached, L: Panel a

26、ttached 1922NC-Not used Output L fi xed 23RDS QUALI RDS decoder qualifi cation input 24F SYNC-Not used Output L fi xed 25RDS DATAIRDS decoder data input 26BEEPOBeep output2kHz / 1kHz 27TUN SCLI/OATOMIC I2C clock output 28TUN SDAI/OATOMIC I2C data input/output 29VFD SYS DATAOVFD data output Communica

27、tion begins after 500ms after VFD_BLK becomes Hi. 30VFD PAN DATAIVFD data input 31VFD CL OVFD clock output125kHz 32VFD BLKOVFD driver reset output H: Reset canceled, L: Reset, Momentary power-down or panel detached or 11 minutes after ACC OFF: L 33BT SYS DATAOData output to Bluetooth 34BT BT DATAIDa

28、ta input from Bluetooth 35NC-Not used Output L fi xed 36ROTARY CWIVOL encoder inputDetects pulse width 37ROTARY CCWIVOL encoder inputDetects pulse width 38PON PANELI/OPanel 5V control ON: L, Momentary power-down or panel detached or 11 minutes after ACC OFF: Hi-Z 39EPMIFlash ROM EPM input L: Rewrita

29、ble (Only when fl ash ROM is used) Connects to VSS 39ROMCOR DETIE2PROM writing requestH: Writing 4043NC-Not used Output L fi xed 44VFD CEOVFD control request 45S SYS DATAOSerial output to Bolero 46S SOC DATAISerial input from Bolero 6 KDC-BT40U/BT645U KDC-U546BT MICROCOMPUTERS TERMINAL DESCRIPTION P

30、in No.Pin NameI/OApplication Truth Value Table Processing / Operation / Description 47S SOC CLKISerial clock input from Bolero 48NC-Not used Output L fi xed 49S SOC REQI Communication request from mecha- nism to system -com 50CD LOS SWICD loading detection 51CD DISC12 SWI12cm disc detection 52SOC MU

31、TEISOC mute requestL: Mute request, H: Normal 52CD MUTEICD mute requestL: Mute request, H: Normal 53SOC RSTOSOC resetH: Normal, L: Reset 54S SYS REQO Communication request from system -com to mechanism 55NC-Not used Output L fi xed 56CD MOTOROCD motor controlqRefer to the truth value table 57CD LOEJ

32、I/OCD motor controlqRefer to the truth value table 58SOC S STOPOSOC stopH: Normal, L: SOC stopped 59CD LOE LIM SWICD detection (Chucking SW)H: Loading completed, L: No disc 60VCC2- 61NC-Not used Output L fi xed 62VSS- 6365NC-Not used Output L fi xed 66BT RSTOBluetooth module resetL: Normal, H: Bluet

33、ooth reset 67PON FLOKey illumination power supply controlH: ON, L: OFF 68PS1 1OPower supply IC controlwRefer to the truth value table 69PS1 2OPower supply IC controlwRefer to the truth value table 70PS1 3OPower supply IC controlwRefer to the truth value table 71PS2 1OPower supply IC controlwRefer to

34、 the truth value table 72NC (PS2 2)-Not used Output L fi xed 73BU DETIMomentary power-down detectionBU found: L, No BU or momentary power-down: H 74ACC DETIACC power supply detectionACC found: L, No ACC: H 75AUD SDAI/OI2C data input/outputMAX 400kHz 76AUD SCLI/OI2C clock input/outputMAX 400kHz 77NC-

35、Not used Output L fi xed 78FSELOSW-REG frequency SWH: 2.04MHz, L: 1.68MHz 79PON SWREGOSW-REG ON/OFFH: ON, L: OFF 80LINE MUTEILine mute detectionNormal: Below 2.5V, NAVI mute: Over 2.5V 81TYPE 1IDestination SW 82NC (TYPE 2)-Not used Output L fi xed 83PWIC DC ERRI Detection of power IC short-circuited

36、 +B/GND 84AUD DC ERRIDC offset detection If DC offset is detected 20 times in 100ms with condition below 1.0V, it will be judged as DC offset is detected. 85TUN SMETERIS-meter input 86NC-Not used Output L fi xed 7 KDC-BT40U/BT645U KDC-U546BT MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OAppl

37、ication Truth Value Table Processing / Operation / Description 87PWIC MUTEOPower IC mute STANDBY source or momentary power-down: L, TEL mute: L 88NC-Not used Output L fi xed 89PWIC STBYOPower IC standby controlPOWER ON: H, POWER OFF: L 90MUTEI/OMuteL: Mute OFF, Hi-Z: Mute ON 91LX MUTEIMute request f

38、rom slave unitH: Mute ON, L: Mute OFF 92LX CONOStart-up request to slave unitH: Slave unit ON, L: Slave unit OFF 93LX RSTOForced reset to slave unitH: Reset, L: Normal 94AVSS- 95LX REQ MOCommunication request to slave unit 96VREF- 97AVCC- 98LX DATA SIData from slave unit 99LX DATA MOData to slave un

39、it 100LX CLKI/OLX-BUS clock Truth value table q CD motor control CD MOTOR (Pin 56)CD LOEJ (Pin 57) StopLL LoadHL EjectHH BrakeHHi-z w Power supply IC (IC4) control SEL1 (Pin 10) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT LLLOFFOFFOFF LLHONOFFOFF HLHONONOFF HHHONONON SEL2 (Pin 11) PS1-1PS2-2AUDIO/SW5AM LLOFFOFF

40、 HLONOFF HHONON 8 KDC-BT40U/BT645U KDC-U546BT TEST MODE Example KeyDescription of displayDescription A symbol “” in the key column indicates that the key should be pressed and held. KeyDescription of displayDescription 5 Disc Eject times display EJCNT: XXXXXDisc Eject times display (Max. 65535 times

41、). 5 While Disc Eject times is displayed, press and hold for 2 seconds or longer to clear Disc Eject times. SEARCH SRC BAND RETURN VOICE EJECT How to enter the Test mode ProcedureNote Press and hold the 1 key and 3 key and reset. All lamps blinks when it is detected that the sub-clock resonator is d

42、isconnected. When having started up in the Test mode, change the LINE MUTE inhibition time from 10 seconds to 1 second. In the Test mode, do not write the detection information in the Data Flash ROM even if a DC Offset Error is detected. Do not operate the DEMO mode in the Test mode, CD Mechanism Er

43、ror Log Information Clear Mode, or DC Offset Error Detection Information Clear Mode. Also, when the source is STANDBY in the above mode, do not display DEMO ON/OFF switching items in the FUNCTION. In the Test mode, the forced disc ejection operation is prohibited. How to clear the Test mode Procedur

44、eNote Reset, Momentary power down, ACC OFF, Power OFF, Panel detached.Clearing the Test mode Test mode default condition DescriptionDefault values SourceSTANDBY DisplayDisplay lights are all turned on. VOL-10dB (“30” is displayed.) 9 KDC-BT40U/BT645U KDC-U546BT TEST MODE DescriptionDefault values BA

45、SS BOOSTOFF AUXON1 SystemQ / dB EQNATURAL (FLAT) BEEP Beeps when the key is pressed briefl y. PREOUTREAR Test mode specifi cation in STANDBY source KeyDescription of displayDescription CommonAll lights ON. All lights ON. 1 (forward rotation) System -com version display SYS013 . 00System -com version

46、 display BT module version display BT: HXXXSXXXBT module version display Mechanism model name and mecha- nism version display 9B30 :Mechanism model name and mechanism version display 1 Design version display mode ON/OFF Design version information display mode (sub-mode) ON/OFF Press and hold this ke

47、y for 1 second to display the design version information. Refer to “Design version information display mode” for the details of display and operation procedure. 2Serial No. display SN: 00000000Serial No. displayed (8 digits) 3 Power ON time display PONTM: 0HXX The 0050 is displayed for “xx”. When le

48、ss than 1 hour, displayed by increments of 10 minutes. PONTM: XXXXXThe 00001-10922 is displayed for “xxxxx”. MAX 10922 (hours) 4 DISC operation times display CDTM: 0HXX The 0050 is displayed for “xx”. When less than 1 hour, displayed by increments of 10 minutes. CDTM: XXXXX The 00001-10922 is displa

49、yed for XXXXX. MAX 10922 (hours) 5 DISC EJECT times display EJCNT: XXXXXDisc Eject times display. MAX 65535 (times) 5 While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times. 6 Data Flash ROM writing-in times display DFCNT: XXXXX The number of data writing-in the Data Flash ROM is displayed. MAX 10000 (times) BAND ROM correction version display SR0001MR0001 The number is the ROM correction version number. SRMR When not written in yet. SRMR When data not matched Due to the difference in