Kenwood-KDCMP-242-U-Service-Manual电路原理图.pdf

This product uses Lead Free solder.This product complies with the RoHS directive for the European market.SERVICE MANUAL© 2008-11 PRINTED IN JA PANB53-0687-00 (N) 313KDC-MP242U/MP342UKDC-MP443U/MP5043UKDC-MP543UCD RECEIVERPanel assyKDC-MP242U (A64-4667-02)Panel assyKDC-MP342U (A64-4666-02)TDF SPARE-PANELMAIN UNIT NAME TDF PARTS No. TDF NAMEKDC-MP242U Y33-3030-11 TDF-MP92DCRKDC-MP342U Y33-3030-10 TDF-MP93DKDC-MP443U Y33-3030-23 TDF-MP443UKDC-MP5043U Y33-3030-21 TDF-MP5043UKDC-MP543U Y33-3030-22 TDF-MP543UMounting hardware assy(J22-0789-03)Lever(D10-7049-04) x2DC cord(E30-6798-05)Screw set(N99-1757-15)Escutcheon(B07-3271-01)* Carrying case(W01-1710-05)Screw (4x16)(N84-4016-48)* Remote controller assy (RC-5xx)(A70-xxxx-xx)Battery(Not supplied)* Depends on the model. Refer to the parts list.* Plastic cabinet assy(A02-2757-13)Panel assyKDC-MP5043U (A64-4668-02)Panel assyKDC-MP543U (A64-4669-02)Panel assyKDC-MP443U (A64-4688-02)KDC-MP242U KDC-MP342UKDC-MP443U KDC-MP5043UKDC-MP543U2KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543UBLOCK DIAGRAMELECTRIC UNIT (X34- )SWITCH UNIT (X16- )LX-BUSE-VOLIC2A8VSYSTEM u-COMBUQ701-704PHONEACC-DETQ101Q103BU-DETQ102SW14VQ11,12Q2,3A8VSERVO+BD5BU5SW5BUPAN5VRESET ICIC8ILLUMI+BCNRESETREMOTEFLIC1IC6IC2J1ILLUMI+BAM+BS1ED1J5MUTEQ705J4W500A1SERVO+BBU5Q301BU5DME1BU5SW5S2J1SW5AM+BA8VANT.IC7SW5E2PROMSW5A8VBU5SW5FRONTJ2PANEL DETIC1BU5SW5FL+BIC4FL+BJ3BU5IC10Q7-10RDSDECODERFRONT-ENDCDMECHAROTARYENCODER DRIVERFLKEYILLUMIRx11/4WKEYMATRIX1/4WRx2ILLUMI+BCDSERVOICSUPPLYPOWERDC-CN etcMUTEPRE-OUTICPOWERPRE-OUTDETSURGEDC-CNAUXD1-17S3-20BU5USB5VBU5USB CNJ3SW+16VSW5Q51,52USB5VIC51BU 3.3VIC53LEVELSHIFTBU5BOLEROu-COMIC251,252IC900BU5SWHI-SIDEiPodAUTHENTICATIONUSB5VIC950IC52251BU DETPHONEACC DETRST95SW59BU DET12MUTE8R15123SW5to GND331ROM CORRECTION (NOT USED)11111R61,62R1181FL+BPS1-1 / PS1-2 / PS1-3ACC DET / BU DETPS2-1 / PS2-2PHONEREAR/SWFRONTPS1-1 / PS1-2 / PS1-3PS2-1 / PS2-2P-ANTP-CONSP-OUTPHONEACCB.U.RST5FRONT L/RREAR L/RP STBY162884223KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543UBLOCK DIAGRAMDPU1CD PLAYER UNIT (X32-6250-00)BOARDMOTHER(X34- )EFACBTR COILFO COILAPCIC416.934MHzCLOCKIC3LOADING &MOTORDRIVERMOTORSPINDLES2S1SLEDMOTORDM1DM2X1Q1RF AMPSERVOMP3 DECODERWMA DECODER1M bit SRAMPROCESSORAAC DECODER+LEVEL SHIFTRESISTORFILTERFILTERD1.5VIC5Q14REGBU1.5V/OUTPUTD3.3VVREF12EJE-SWLOS-SWLOE-SWMOTORLO/EJA.GNDTR OUTFO OUTDM OUTFM OUTA3.3VLDSIGNAL A/B/C/E/FS.GNDS7.5VFO OUTTR OUTDM OUTFM OUTDRV MUTESOSRAM STBSIBUCKCCEPIO0R15SRAM STBBUCKCCEPIO0SOSIMRST MRSTC43C44RchLch LchRchZDET MUTE L/RD.GNDD GND BU1.5VD1.5V D3.3VAGNDBU5VP.ONPD4KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543UCOMPONENTS DESCRIPTION ELECTRIC UNIT (X34-623x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 System -COM Controls FM/AM tuner, the changer, CD mechanism, panel, volume and tone.IC2 E-VOL Controls the source, volume, tone.IC4 Power Supply IC Outputs 5V×2, 8.1V×2, 10.2V, P-CON, P-ANT.IC6 Power IC Amplifi es the front L/R and the rear L/R to 50W maximum.IC7 RDS IC Decodes RDS.IC8 Reset IC Lo when detection voltage goes below 3.6V.IC51 Switching Regulator Power supply for D+5.1V. (to USB and Panel)IC52 Hi-side SW Detects USB Over Current.IC53 D+3.3V AVR IC Power supply for D+3.3V. (IC252,900,950)IC251 Level Shift (3.3V5V) Shifts level. (3.3V5V)IC252 Level Shift (5V3.3V) Shifts level. (5V3.3V)IC900 Sub -COM Controls USB and CD mechanism.IC950 i-Pod Authentication Coprocessor Authenticates i-Pod.Q2 Servo+B AVR When Q3s base goes Hi, AVR outputs 7.5V.Q3 Control SW for Servo +B ON when the base goes Hi.Q7 FL+B SW ON when the base goes Hi.Q8 FL+B AVR When Q9s base goes Hi, AVR outputs 10.5V.Q9 Control SW for FL+B ON when the base goes Hi.Q10 FL+B SW ON when the base goes Lo.Q11 14V SW ON when the base goes Hi.Q12 14V SW ON when the base goes Lo.Q13 Control SW for IC4 ON when the base goes Hi.Q14 Control SW for IC4 ON when the base goes Lo.Q51 Control SW for 16V SW ON when the base goes Hi.Q52 16V SW When Q51s base goes Hi, AVR outputs BU voltage.Q53 FREQ CONT SW for IC51 1.3MHz when the base goes Lo, 1.8MHz when the base goes Hi.Q101 ACC DET ON when the base goes Hi during ACC is applied.Q102 Serge DET When the base goes Hi, Surge voltage is detected.Q103 BU DET ON when the base goes Hi during BU is applied.Q104,105 Mute Control ON when the base goes Hi.Q301 Panel 5V SW ON when the base goes Lo.Q701704 Pre-out Mute SW When a base goes Hi, pre-out is muted.Q705 Mute Driver for Pre-out ON when the base goes Lo.Q902,903 3.3V AVR for IC900 When base of Q902 goes Hi, 3.3V is ON.Q905 CD “LOE_LIM_SW”_Buffer When the base goes Hi, loading ends.5KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543U SWITCH UNIT (X16-647x-xx)Ref. No. Application / Function Operation / Condition / CompatibilityIC1 FL DriverIC2 Remote Control Sensor CD PLAYER UNIT (X32-6250-00)Ref. No. Application / Function Operation / Condition / CompatibilityIC3 4ch BTL DriverDriver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection.IC4 Servo DSP with built-in Audio DAC With built-in MP3/WMA/ACC decoder and 1M-bit-SRAM.IC5 BU1.5V/D3.3V REG.Power supply for BU1.5V.Power supply for digital/analogue/audio 3.3V.Q1 APC (Auto Power Control) Drives LD (Laser Diode).Q14 D1.5V OutputSwitches ON/OFF at one end of BU1.5V line which is separated into 2 directions.Uses output voltage as D1.5V.D2 Laser Diode ProtectionPrevents reverse bias which is applied to laser.Laser destruction prevention.D3,4 Static Electricity Countermeasure Prevents malfunction by static electricity.COMPONENTS DESCRIPTION6KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543U SYSTEM -COM: IC1 on X34- (ELECTRIC UNIT)Pin No. Pin Name I/O ApplicationTruth ValueTableProcessing Operation Description1 LX DATA M I/O Data to slave unit2 LX CLK I/O LX-BUS clock 125kHz65kHz35 NC - Not used Output L fi xed6 REMO I Remote control signal input Detects pulse width7 NC - Not used Output L fi xed8 BYTE I Memory extension bus width setting Connects to VSS9 CNVSS - Connects to VSS. H: Possible to rewrite fl ash ROM10 XCIN - 32.768kHz11 XCOUT - 32.768kHz12 RESET - L: Reset13 XOUT - 10.0MHz14 VSS -15 XIN - 10.0MHz16 VCC1 -17 NMI I Connects to VSS18 PANEL DET I Panel communication detection H: Panel detached, L: Panel attached19,20 NC - Not used Output L fi xed21 ROMCOR DET I E2PROM writing request H: E2PROM writing22,23 NC - Not used Output L fi xed24 PON FL O Key illumination power supply control ON: H, OFF: L25 NC - Not used Output L fi xed26 PON PANEL I/O Panel 5V controlON: L11 minutes after momentary power-down, panel detached or ACC OFF: Hi-Z27,28 NC - Not used Output L fi xed29 AUD SCL I/O E-VOL clock input/output30 AUD SDA I/O E-VOL data input/output31 VFD SYS DATA O VFD data outputThe communication begins after 500ms after VFD_BLK (34) goes Hi. 32 VFD PAN DATA I VFD data input33 VFD CL O VFD clock output 125kHz34 VFD BLK O VFD driver reset outputH: Reset cancelled, L: Reset11 minutes after momentary power-down, panel detached or ACC OFF: L35 S SYS DATA O Bolero serial output36 S SOC DATA I Bolero serial input37 S SOC CLK I Bolero serial clock input38 CD LOS SW I CD loading detection39 CD LOE LIM SW I CD detection (Chucking SW) H: Loading completed, L: No disc40 CD LOEJ I/O CD motor control q Refer to the truth value tableMICROCOMPUTERS TERMINAL DESCRIPTION7KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543UMICROCOMPUTERS TERMINAL DESCRIPTIONPin No. Pin Name I/O ApplicationTruth ValueTableProcessing Operation Description41 EPM I Flash ROM EPM inputL: Possible to rewrite fl ash ROMConnects to VSS (Never set it to output Hi)42 CD MOTOR I/O CD motor control q Refer to the truth value table43 NC - Not used Output L fi xed44 CD DISC12 SW I 12cm disc detection45 NC - Not used Output L fi xed46 VFD CE O VFD control request47 NC - Not used Output L fi xed48 ROTARY CCW I VOL key input (Counter-clockwise) Detects pulse width49 ROTARY CW I VOL key input (Clockwise) Detects pulse width50 NC - Not used Output L fi xed51 RDS DATA I/O RDS decoder data input (Terminal for European model)52 RDS QUAL I RDS decoder QUAL input (Terminal for European model)53 CD MUTE I CD mute request H: Normal, L: Mute request54 S SOC REQ ICommunication request from SOC to system -COM55 SOC RST O SOC reset H: Normal, L: Reset56 SOC S STOP O SOC stop H: Normal, L: SOC stopped57 S SYS REQ OCommunication request from system -COM to SOC5861 NC - Not used Output L fi xed62 VCC2 -63 NC - Not used Output L fi xed64 VSS -65 RDS NOISE I FM noise detection (Terminal for European model)66 TUN SMETER I S-meter input67 TUN IFC OUT I Front-end IFC-OUT input H: Station detected, L: No station68 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.69 LX RST O Forced reset to slave unit H: Reset, L: Normal70 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF71 LX MUTE I Mute request from slave unit H: Mute ON, L: Mute OFF 72 LX REQ M O Communication request to slave unit73 PWIC SVR O SVR discharge circuitDuring 500ms after power OFF or momentary power-down: H, Since then: L74 RDS CLK I/O RDS decoder clock input (Terminal for European model)75 LX REQ S I Communication request from slave unit76 PWIC STBY O Power IC standby control Power ON: H, Power OFF: L 77 PWIC MUTE O Power IC muteSTANDBY source or momentary power-down: L,TEL mute: L8KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543UMICROCOMPUTERS TERMINAL DESCRIPTION Truth value tableq CD motor controlCD motor CD loading/ejectStop 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 OFFH H H ON ON ONSEL2 (Pin 11)PS1-1 PS2-2 AUDIO/SW5 AML L OFF OFFH L ON OFFH H ON ONPin No. Pin Name I/O ApplicationTruth ValueTableProcessing Operation Description78 MUTE I/O Mute L: Mute OFF, Hi-Z: Mute ON79 BU DET I Momentary power-down detectionBU detected: L, No BU or momentary power-down: H (Operates below 4ms after momentary power-down is detected)80 ACC DET I ACC power supply detection ACC detected: L, No ACC: H81 TYPE1 I Destination SW82 TYPE2 I Destination SW83 PWIC DC ERR IDetects whether power IC was short-circuited to +B or GND84 LINE MUTE I Line mute detection TEL mute: Below 1V, NAVI mute: Over 2.5V85 NC - Not used Output L fi xed86 FSEL O Frequency SW for switching regulator H: 1.3MHz, L: 1.8MHz87 PON SWREG O ON/OFF for switching regulator H: ON, L: OFF88,89 NC - Not used Output L fi xed90 PS2 2 O Power supply IC control w Refer to the truth value table91 PS2 1 O Power supply IC control w Refer to the truth value table92 PS1 1 O Power supply IC control w Refer to the truth value table93 PS1 2 O Power supply IC control w Refer to the truth value table94 PS1 3 O Power supply IC control w Refer to the truth value table95 NC - Not used Output L fi xed96 AVSS -97 REF CON O VREF control Connects to VREF98 VREF -99 AVCC -100 LX DATA S I Data from slave unit9KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543U Example:.Key Description of display Description5Disc EJECT times displayEJCXXXXX 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.A symbol “” in the key column indicates that the key should be pressed and held for 1 second or longer. How to enter the test modeProcedure NotePress and hold the 1 key and 3 key and reset.All lamps blink when it is 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.When operating in the test mode, even if a DC offset error occurs, detection information is not written in the E2PROM.When operating in the test mode, CD mechanism error log information clear mode, and DC offset error detection information clear mode, do not perform DEMO mode operations.Also, do not display DEMO ON/OFF option items in the MENU in STANDBY source in the above modes.Forced disc ejection is prohibited in the test mode. 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.Volume -10dB (“30” is displayed.)Bass Boost OFFCRSC OFF regardless of having/not having the switching function.AUX ON1System Q NATURALPreout RearTEST MODE10KDC-MP242U/MP342U/MP443UKDC-MP5043U/MP543U Special displays when all lights are on in STANDBY sourceKey Description of display DescriptionCommon All lights ON. All lights ON.1Destination terminal condition indicationTYPE:11“TYPE” indicates system -com (IC1) destination, and shows real-time condition of the destination terminal.Development ID condition indication801E23.00 Development ID Version (system -com: IC1)Information displayName of mechanism typeMechanism version 9B20:Display of name of mechanism type and mechanism version (Bolero version)(Press the key while the display is what is shown in the left column to change to the servo version display.)Information displayMechanism servo version(USB) SERV:Display of mechanism servo table version(Press the key while the display is what is shown in the left column to display mechanism boot program version.)Information displayMechanism boot program version (USB)BOOT:Display of mechanism boot program version(Press the key while the display is what is shown in the left column to return to the normal display.)2 Serial No. display 00000000 Serial No. is displayed (8 digits)3Power ON time displayPON 0HXX0050 is displayed for “XX”. When less than 1 hour, displayed by displayed by increments of 10 minutes.PONXXXXX 0000110922 is displayed for “XXXXX”. MAX 10922 (hours)3When Power ON time is displayed, press and hold for 2 seconds or longer to clear Power ON time.4Disc operation time displayCDT 0HXX0050 is displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes.CDTXXXXX 0000110922 is displayed for “XXXXX”. MAX 10922 (hours)4While the disc operation time is displayed, press and hold for 2 seconds or longer to clear the disc operation time. (Cleared only for displayed media.)5Disc EJECT times displayEJCXXXXX 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.6Panel open/close times displayPC XXXXX PANEL open/close times display. MAX 65535 (times)6Press the key for more than 2 seconds while the PANEL open/close count is displayed and PANEL open/close count is cleared.FMROM correction version display0123:0123XXXX : XXXX(System -com ROM correction version: Mechanism -com ROM correction)ERR :ERRERR : ERR(System -com ROM correction error: Mechanism -com ROM correction error):- : -(System -com ROM correction data is not yet written: Mechanism -com ROM correction data is not yet written):