Kenwood-KDCBT-645-U-Service-Manual电路原理图.pdf

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1、 2010-1 PRINTED IN JA PANB53-0781-00 (N) 341CD RECEIVERKDC-BT40U/BT645UKDC-U546BTSERVICE MANUALThis 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 assyKDC-BT40U (A64-5015-02)Panel assyKDC-BT645

2、U (A64-5013-02)TDF SPARE-PANELMAIN UNIT NAME TDF PARTS No. TDF NAMEKDC-BT40U Y33-3272-72 TDF-BT40UKDC-BT645U Y33-3270-10 TDF-BT06DKDC-U546BT Y33-3270-21 TDF-U546BTPanel assyKDC-U546BT (A64-5017-02)Mounting hardware assy(J22-0789-03)* Remote controller assy (RC-405)(A70-2104-05)Escutcheon(B07-3271-01

3、)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)BluetoothKDC-BT40U KDC-BT645UBluetoothKDC-U546BTBluetooth* Plastic cabinet assy(A02-2755-23)* DC cord(E30-6934-05)2KDC-BT40U/BT645UKDC-U546BTBLOCK DIAGRAM21BU DETPHONEACC DETRES

4、ET95BU DET11MUTER1512223111111R1181PS1-1 / PS1-2ACC-DET / BU-DETPS1-3 / PS2-1PHONEREARFRONTPS1-1 / PS1-2PS1-3 / PS2-1P-ANTP-CONSP-OUTPHONEACCBUFRONT L/RREAR L/RP-STBY213228PANEL5Vto GND95R31,32FL+BPAN SW5PAN SW512REAR/SWE-VOLIC2A8VSYSTEM u-COMQ707PHONEACC DETQ101Q103BU DETQ102SW14VQ11,12Q2,3A8VSERVO

5、+BBU5VSW5PANEL5VRESET ICIC8ILLUMI+BCONNECTORRESETIC1IC6J1ILLUMI+BQ701-706MUTEQ104,105IC501Q301BU5J4SW5VS3A8VANT.IC7SW5BU5BU5SW5IC4FL+BJ3SW5RDSDECODERTUNERRx11/2WCDSERVOICSUPPLYPOWERDC-CN etcMUTEPREICPOWERPRE-OUTDETSURGEDC-CNBUUSB5VBU5DC/DC5VIC51CDMECHADME1SWHI-SIDEUSB5VIC52A900BUBU5(ATOMIC)LX-BUSPAN

6、EL DETENCODERROTARYREMOTEIC2FRONTJ2AUXS1FLUSB CNED1J3ILLUMIKEYMATRIXKEY1/2WRx2J4OEM REMOTESW5FL+BSHIFTLEVELIC900LPFQ902BU5SERVO+BBT3.3VIC901BT3.3VA8VBT MIC CNCN1BLUETOOTHMODULEELECTRIC UNIT (X34- )SWITCH UNIT (X16- )BU1.5VBU3.3VSW3.3VDPU1CD PLAYER UNIT (X32-6260-01)BOARDMOTHER(X34- )EFACBTR COILFO C

7、OILAPCIC216.934MHzCLOCKIC3LOADING &MOTORDRIVERMOTORSPINDLES2S1S3SLEDMOTORDM1DM2X3Q7RF AMPSERVOMP3 DECODERWMA DECODER1Mbit SRAMPROCESSORAAC DECODER+LEVELSHIFTIC5iPodIC7REGBU3.3 /AUTHENTICATIONLEVELIC6SHIFTIC1u-COMQ5SWBU1.5VIC9SW3.3VREGQ3SWCLOCK9.000MHzX132.768kHzCLOCKX2IC4INVQ9MECHANISMVREF12EJE SWLO

8、S SWLOE SWMOTORLO/EJAGNDTROFOODMOFMOLDSIGNAL A/B/C/E/FS.GNDS7.5VFOOTRODMOFMOCD DRIVE MUTESOSRAMSTBSIBUCKCCECD REQMSTOPBUCKCCEREQSOSIRSTMRSTLchRchZ DETMUTE L/RDGNDDVSSBU1.5VSW1.5V D3.3VBU5VPDVBUS SWUSB+VBUS OCUSB-DATA SCD SIREQ AMRSTMSTOPCLKCD MUTEREQ MDATA MUSB D+USB D-USB VBUS SWUSB OCCD LOE LIM SW

9、RVIN1/RVIN2DVCC3BPON DVSS DVCC3A PWECD SODSP REQCD CLKCD RSTZDET INCD SRAMSTBCEBSIF LRCKBSIF DATABSIF BCKBSIF GATEBSIF ST REQIPOD SDAIPOD SCLAVSSA3.3V LOROBSIF ST REQBSIF GATEBSIF DATABSIF BCKBSIF LRCKGDS3KDC-BT40U/BT645UKDC-U546BTCOMPONENTS DESCRIPTION SWITCH UNIT (X16-678x-xx)Ref. No. Application

10、/ Function Operation / Condition / CompatibilityIC2 Remote Control SensorQ20 Key Scan Timing Adjust When the base is Hi, key scan starts.Q21 Grid Reversing Driver When the base is Hi, GRID1 is ON.Q22 Grid Reversing Driver When the base is Hi, GRID2 is ON.Q23 Grid Reversing Driver When the base is Hi

11、, GRID3 is ON ELECTRIC UNIT (X34-662x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 System -COM Controls FM/AM tuner, CD mechanism, Panel, volume and tone.IC2 E-VOL Controls the source, volume and tone.IC4 Power Supply IC Outputs 5Vx2, 8.3V, 10.2V, P-CON and P-ANT.IC6 P

12、ower IC Amplifi es the front L/R and the rear L/R to 50W maximum.IC7 RDS IC RDS decoder.IC8 Reset IC Lo when detection voltage goes below 3.6V.IC51 SW REG Power supply for D+5.1V. (to USB and panel)IC52 Hi-side SW Detection of USB over-current.IC501 Tuner IC (ATomIC) Tuner IC.IC900 LPF Bluetooth out

13、puts low pass fi lter.IC901 D+3.3V AVR IC Power supply for BT+3.3V.Q2,3 Servo+B AVR When Q3base goes Hi, AVR outputs 7.5V.Q11,12 Control SW for Servo+B ON when the base goes Hi.Q13 Control SW for IC4 ON when the base goes Hi.Q14 Control SW for IC4 ON when the base goes Lo.Q53 FREQ CONT SW for IC51Wh

14、en the base goes Lo, switching frequency becomes 1.3MHz.When the base goes Hi, switching frequency becomes 1.8MHz.Q101 ACC DET ON when the base goes Hi during ACC is applied.Q102 Surge DET When the base goes Hi, surge voltage is detected.Q103 BU DET ON when the base goes Hi during BU is applied.Q104

15、,105 Mute Control ON when the base goes Hi.Q301 Panel 5V SW ON when the base goes Lo.Q707706 Pre-out Mute SW When a base goes Hi, Pre-out is muted.Q707 Mute Driver for Pre-out ON when the base goes Lo.Q901 BT Module Reset Control When the base goes Hi, BT module is reset.Q902 Level Shift (5V3.3V) Du

16、al FET. CD PLAYER UNIT (X32-6260-01)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 Mechanism -COMControls DSP and peripheral circuit.USB host controller. (Compliant with Universal Serial Bus Specifi cation Rev2.0)IC2 Servo DSP with Built-in Audio DACBuilt-in MP3WMAAAC decod

17、er.Built-in 1M-bit-SRAM.IC3 4ch BTL DriverDriver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection.IC4 iPod AuthenticationConnection authentication for iPod.MFI341S2162: iPhone-compliant.4KDC-BT40U/BT645UKDC-U546BTCOMPONENTS DESCRIPTIONRef. No.

18、Application / Function Operation / Condition / CompatibilityIC5 3.3V5.0V Level Shift Converts communication signal from 3.3V to 5.0V.IC6 5.0V3.3V Level Shift Converts communication signal from 5.0V to 3.3V.IC7 BU1.5V / BU3.3V RegulatorPower supply for digital back-up.Power supply for mechanism -COM.

19、IC8 E2PROM (Not used)Memory for ROM correction.Countermeasure for software malfunction.IC9 A3.3V Regulator Power supply for digital, analog and audio line.Q3 D1.5V OutputThe output voltage in which the power supply that diverges from the BU1.5V line is turned on and off is used as D1.5V. Q5 B.3.3V O

20、utputThe output voltage in which the power supply that diverges from the BU3.3V line is turned on and off is used as D3.3V. Q6 Control signal Inverter Controls Q5.Q7 APC (Auto Power Control) Laser diode driver.Q9 Control signal InverterBecause the detection logic of LOE/LIM_SW is different in the me

21、chanism -COM and the system -COM, the logic to the mechanism -COM side is reversed. D1 Laser Diode ProtectionPrevents reverse bias which is applied to laser. Laser destruction prevention.D2,3Countermeasure against Static Elec-tricityThe potential difference between DGND and AGND is absorbed, and the

22、 malfunc-tion by static electricity is prevented. 5KDC-BT40U/BT645UKDC-U546BTMICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -COM : IC1 on X34- (ELECTRIC UNIT)Pin No. Pin Name I/O ApplicationTruth Value TableProcessing / Operation / Description13 NC - Not used Output L fi xed4 REMO I Remote control input

23、 Detects pulse width5 NC - Not used Output L fi xed6 BYTE - Setting of memory extension bus Connects to VSS7 CNVSS -Connects to VSSH: Rewritable (Only when fl ash ROM is used)8 XCIN - 32.768kHz9 XCOUT - 32.768kHz10 RESET - L: Reset11 XOUT - 16.0MHz12 VSS -13 XIN - 16.0MHz14 VCC1 -15 NC - Not used Ou

24、tput L fi xed16 LX REQ S I Communication request from slave unit17 RDS CLK I RDS decoder clock input18 PANEL DET I Panel communication detection H: Panel detached, L: Panel attached1922 NC - Not used Output L fi xed23 RDS QUAL I RDS decoder qualifi cation input24 F SYNC - Not used Output L fi xed25

25、RDS DATA I RDS decoder data input26 BEEP O Beep output 2kHz / 1kHz27 TUN SCL I/O ATOMIC I2C clock output28 TUN SDA I/O ATOMIC I2C data input/output29 VFD SYS DATA O VFD data outputCommunication begins after 500ms after VFD_BLK becomes Hi.30 VFD PAN DATA I VFD data input31 VFD CL O VFD clock output 1

26、25kHz32 VFD BLK O VFD driver reset outputH: Reset canceled, L: Reset, Momentary power-down or panel detached or 11 minutes after ACC OFF: L33 BT SYS DATA O Data output to Bluetooth34 BT BT DATA I Data input from Bluetooth35 NC - Not used Output L fi xed36 ROTARY CW I VOL encoder input Detects pulse

27、width37 ROTARY CCW I VOL encoder input Detects pulse width38 PON PANEL I/O Panel 5V controlON: L, Momentary power-down or panel detached or 11 minutes after ACC OFF: Hi-Z39 EPM I Flash ROM EPM inputL: Rewritable (Only when fl ash ROM is used)Connects to VSS39 ROMCOR DET I E2PROM writing request H: W

28、riting4043 NC - Not used Output L fi xed44 VFD CE O VFD control request45 S SYS DATA O Serial output to Bolero46 S SOC DATA I Serial input from Bolero6KDC-BT40U/BT645UKDC-U546BTMICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O ApplicationTruth Value TableProcessing / Operation / Description47

29、S SOC CLK I Serial clock input from Bolero48 NC - Not used Output L fi xed49 S SOC REQ ICommunication request from mecha-nism to system -com50 CD LOS SW I CD loading detection51 CD DISC12 SW I 12cm disc detection52 SOC MUTE I SOC mute request L: Mute request, H: Normal52 CD MUTE I CD mute request L:

30、 Mute request, H: Normal53 SOC RST O SOC reset H: Normal, L: Reset54 S SYS REQ OCommunication request from system -com to mechanism55 NC - Not used Output L fi xed56 CD MOTOR O CD motor control q Refer to the truth value table57 CD LOEJ I/O CD motor control q Refer to the truth value table58 SOC S S

31、TOP O SOC stop H: Normal, L: SOC stopped59 CD LOE LIM SW I CD detection (Chucking SW) H: Loading completed, L: No disc60 VCC2 -61 NC - Not used Output L fi xed62 VSS -6365 NC - Not used Output L fi xed66 BT RST O Bluetooth module reset L: Normal, H: Bluetooth reset67 PON FL O Key illumination power

32、supply control H: ON, L: OFF68 PS1 1 O Power supply IC control w Refer to the truth value table69 PS1 2 O Power supply IC control w Refer to the truth value table70 PS1 3 O Power supply IC control w Refer to the truth value table71 PS2 1 O Power supply IC control w Refer to the truth value table72 N

33、C (PS2 2) - Not used Output L fi xed73 BU DET I Momentary power-down detection BU found: L, No BU or momentary power-down: H74 ACC DET I ACC power supply detection ACC found: L, No ACC: H75 AUD SDA I/O I2C data input/output MAX 400kHz76 AUD SCL I/O I2C clock input/output MAX 400kHz77 NC - Not used O

34、utput L fi xed78 FSEL O SW-REG frequency SW H: 2.04MHz, L: 1.68MHz 79 PON SWREG O SW-REG ON/OFF H: ON, L: OFF80 LINE MUTE I Line mute detection Normal: Below 2.5V, NAVI mute: Over 2.5V81 TYPE 1 I Destination SW82 NC (TYPE 2) - Not used Output L fi xed83 PWIC DC ERR IDetection of power IC short-circu

35、ited +B/GND84 AUD DC ERR I DC offset detectionIf DC offset is detected 20 times in 100ms with condition below 1.0V, it will be judged as DC offset is detected.85 TUN SMETER I S-meter input86 NC - Not used Output L fi xed7KDC-BT40U/BT645UKDC-U546BTMICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I

36、/O ApplicationTruth Value TableProcessing / Operation / Description87 PWIC MUTE O Power IC muteSTANDBY source or momentary power-down: L, TEL mute: L88 NC - Not used Output L fi xed89 PWIC STBY O Power IC standby control POWER ON: H, POWER OFF: L90 MUTE I/O Mute L: Mute OFF, Hi-Z: Mute ON91 LX MUTE

37、I Mute request from slave unit H: Mute ON, L: Mute OFF 92 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF93 LX RST O Forced reset to slave unit H: Reset, L: Normal94 AVSS -95 LX REQ M O Communication request to slave unit96 VREF -97 AVCC -98 LX DATA S I Data from slave un

38、it99 LX DATA M O Data to slave unit100 LX CLK I/O LX-BUS clock Truth value tableq CD motor controlCD MOTOR (Pin 56) CD LOEJ (Pin 57)Stop L LLoad H LEject H HBrake H Hi-zw Power supply IC (IC4) controlSEL1 (Pin 10)PS1-2 PS1-3 PS2-1 ILLUMI P-CON P-ANTL L L OFF OFF OFFL L H ON OFF OFFH L H ON ON OFFHHH

39、ONONONSEL2 (Pin 11)PS1-1 PS2-2 AUDIO/SW5 AML L OFF OFFH L ON OFFH H ON ON8KDC-BT40U/BT645UKDC-U546BTTEST MODE ExampleKey Description of display DescriptionA symbol “” in the key column indicates that the key should be pressed and held.Key Description of display Description5Disc Eject times displayEJ

40、CNT :XXXXX Disc Eject times display (Max. 65535 times). 5While Disc Eject times is displayed, press and hold for 2 seconds or longer to clear Disc Eject times.SEARCHSRCBANDRETURNVOICEEJECT How to enter the Test modeProcedure NotePress and hold the 1 key and 3 key and reset.All lamps blinks when it i

41、s detected that the sub-clock resonator is disconnected.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 DE

42、MO mode in the Test mode, CD Mechanism Error 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 prohibit

43、ed. How to clear the Test modeProcedure NoteReset, Momentary power down, ACC OFF, Power OFF, Panel detached. Clearing the Test mode Test mode default conditionDescription Default valuesSource STANDBYDisplay Display lights are all turned on. VOL -10dB (“30” is displayed.)9KDC-BT40U/BT645UKDC-U546BTTE

44、ST MODEDescription Default valuesBASS BOOST OFFAUX ON1SystemQ / dB EQ NATURAL (FLAT)BEEP Beeps when the key is pressed briefl y.PREOUT REAR Test mode specifi cation in STANDBY sourceKey Description of display DescriptionCommon All lights ON. All lights ON.1(forward rotation)System -com version displ

45、aySYS013.00 System -com version displayBT module version display BT :HXXXSXXX BT module version displayMechanism model name and mecha-nism version display9B30: Mechanism model name and mechanism version display1Design version display mode ON/OFFDesign version information display mode (sub-mode) ON/O

46、FF Press and hold this key for 1 second to display the design version information.Refer to “Design version information display mode” for the details of display and operation procedure.2 Serial No. display SN :00000000 Serial No. displayed (8 digits)3Power ON time displayPONTM :0HXXThe 0050 is displa

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

48、10922 is displayed for “XXXXX“. MAX 10922 (hours)5DISC EJECT times displayE JCNT :XXXXX Disc Eject times display. MAX 65535 (times)5While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear disc EJECT times.6Data Flash ROM writing-in times displayDFCNT :XXXXXThe number of

49、data writing-in the Data Flash ROM is displayed. MAX 10000 (times)BANDROM correction version displaySR0001 MR0001The number is the ROM correction version number.SR MRWhen not written in yet. SR MRWhen data not matched Due to the difference in versions.10KDC-BT40U/BT645UKDC-U546BTTEST MODEKey Description of display DescriptionBAND BT device search(The display blinks)SEARCHINGPress and hold this key for 1 second to initiate the BT device search.The search is terminated when 1 device is found.XXXXXXXXXXXXXWhen