Kenwood-KDCX-979-Service-Manual电路原理图.pdf

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1、 2004-02 PRINTED IN JAPANB53-0132-00 (N)2704CD RECEIVERKDC-9026RKDC-PSW9527KDC-W9027KDC-X979SERVICE MANUALKDC-9026R KDC-PSW9527KDC-X979KDC-W9027TDF PANEL INFORMATIONMODEL PARTS NO. PANEL NAMEKDC-9026R KDC-PSW9527 Y33-1790-60 TDF-M9000KDC-X979KDC-W9027 Y33-1790-61 TDF-M7000 *Size AA Battery(Not Suppl

2、ied)* Escutcheon(B07-3078-01)(B07-3079-01)Plastic cabinet assy(A02-2731-13)Mounting hardware assy(J21-9823-03)* DC cord(E30-4942-05)* Antenna adaptor(T90-0552-05)Screw(N99-1734-05)Lever(D10-4674-04) x 2*Screw set(N99-1723-05)* DC cord(E30-6294-05)*Remote controller assy(A70-2040-05) : RC-505*Remote

3、controller assy(A70-2026-05) : RC-420* Depends on model. Refer to the parts list.Panel assyKDC-9026R (A64-3236-11)Panel assyKDC-W9027 (A64-3238-01)Panel assyKDC-PSW9527 (A64-3237-11)Panel assyKDC-X979 (A64-3235-11)KDC-9026R/PSW9527KDC-W9027/X9792BLOCK DIAGRAMS-METERAUDIO OUT8VBU5VCD5VBACK UPFMAMCDQU

4、ALCHBU5VKEYBU5V8V8VSW5VBPF9V9V9V9VSW5VFL+BFACAGCBU5VBU5VSERVOILL+SW5VSW5VSERVOILL+8V3.3V8V 8V8VSW5VPANEL5VRDSDECODERBUFFERREMORESET SWKEY MATRIXFLSYSTEMMPXE-VOL&ACC DETTEL MUTEB.U DETDRIVERMUTEPOWERICACCTEL MUTEBACK UPSP OUT (FL)RESETKEY ILLIC14IC2IC1IC4IC8IC9Q303,304AM+BAGCPRE MUTEPRE MUTEPRE MUTEP

5、RE OUT(FRONT)PRE OUT(REAR)(SUB WOOFER)PRE OUTAUX INOP AMPOP AMPOP AMPSP OUT (FR)SP OUT (RL)SP OUT (RR)EXT AMPDIMMER DIMMEREXT.AMP.CONANT-CON ANT CONP-CON P CONWIRED REMO/OPEL DISP I/FIC9IC13IC12IC11Q207,208Q205,206Q203,204BU5VSW 5VSW 14VSERVOFL+BSW REGA8VQ1,2Q3,601Q4,5Q6-8Q9,602BU5VSW5VSW14VDC/DC A8

6、VCD5VIC16MOTORDRDRMOTORIC15DC/DCROTARYENCODERIC7LEVELSHIFTLEVELSHIFTIC8u-COMIC11IC2MASKROM2.5VROMFLASHIC4BPFPANELSW5VIC63.3VSW3.3VQ5FL+BQ4FL3.3VQ2,3E2PROMIC1IC10Q6,10Q11-14IC19LEDLEDE2PROMMICROPROCESSORSHIFTLEVELL.P.FDSP3.3Vx2BAS SL.P.F L.P.F L.P.FDSP1/2VCCSRAMQ29Q27Q26Q25IC18Q23,24(CENTER)IC10TUNER

7、CDCHMECHAPANELTDF UNITSWITCH UNIT(X16-208)(X16-256)(X34- )(X16-253)DISPLAYUNIT ELECTRIC UNITKDC-9026R/PSW9527KDC-W9027/X9793BLOCK DIAGRAM SUB CIRCUIT UNIT (X16-2080-10)Ref No. Application / Functions Operation / Condition / CompatibilityIC1 E2PROM E2PROM for security DISPLAY UNIT (X16-2530-10/11)Ref

8、 No. Application / Functions Operation / Condition / CompatibilityIC1 Panel microprocessor Panel control microprocessorIC2 ROM IC Graphic ROMIC3 Flash ROM IC For Display customize memory ICIC4 AVR For 3.3V power supplyIC5 AVR For 2.5V power supplyIC6 Buffer IC Level shift buffer IC (5V3.3V)IC7 Buffe

9、r IC Level shift buffer IC (3.3V5V)IC8 Remote control IC For Remote control sensorIC9 Logic IC Control for FL contrastIC10 Analog IC Spectrum analyzer ICQ1 3.3V Regulator While PAN5V is applied when 3.3V regulator output is +3.3VQ2 2.5V Regulator While PAN5V is applied when 2.5V regulator output is

10、+2.5VQ3,4 FL +B SW FL +B (VDD1) is turned on when Q3 base level goes HCOMPONENTS DESCRIPTION CD PLAYER UNITVREFD.GNDBU.+5.0VLOE SW8EJE/LOS12EJE SWLOS SWD.GNDS.+5.0VEJECTLOADS.GNDD.GNDD.GNDPONS.GNDDATAMUTE RMUTE LMSTOPMRSTCLKA.GNDA+8VR-chL-chD.GNDD.GNDS.GNDS.GNDD.GNDD.GNDD.GNDSWEFACBTR COILFO COILAPC

11、IC7Q816.898MHzCLOCKIC6LPFIC10SWQ7A3.3VIC9LOADINGMOTORSLEDMOTORDM2REGMICRO-(CD MECHANISMCONTROL)PROCESSORIC5CLOCK4.00MHzRF AMP/SERVOMP3 DECODER/WMA DECODER/1Mbit SRAMPROCESSOR/REGD3.3VIC416MbitDRAMPWM4CHDRIVERMOTORDRIVERIC1MOTORSPINDLEDM3ASSYLIM SWDM1SPINDLE MOTORD3.3VREGIC2TRIC8S2S4S5S1S3OPTICAL PIC

12、KUP(X32-5520-00)BOARDMAINDPU1 :1.6V REG.KDC-9026R/PSW9527KDC-W9027/X9794Ref No. Application / Functions Operation / Condition / CompatibilityQ5 3.3V SW SW3.3V is turned on when Q5 base level goes LQ6,200 FL 3.3V SW FL +3.3V (VDD1) is turned on when Q200 base level goes HQ7,8 Remote control ON SW The

13、 power supply of IC8, 10 is turned on when Q10 base level goes HQ9 FL BLK SW VFD is turned on when Q9 base level goes HQ10 Display blackout LED SW Green LED is turned on when Q10 base level goes HQ11 Red LED SW Red LED is turned on when Q11 base level goes H SWITCH UNIT (X16-2560-10)Ref No. Applicat

14、ion / Functions Operation / Condition / CompatibilityQ1 DSI LED SW DSI LED blinks when Q1 base level goes H/LQ2 KEY Illumination SW (Green) KEY Illumination SW “ON” when the Q2 base level goes HQ3 KEY Illumination SW (Red) KEY Illumination SW “ON” when the Q3 base level goes HQ4 KEY Illumination SW

15、(Blue) KEY Illumination SW “ON” when the Q4 base level goes H CD PLAYER UNIT (X32-5520-00)Ref No. Application / Functions Operation / Condition / CompatibilityIC1 Motor driver Loading & Eject motor driverIC2 AVR BU3.3V AVRIC4 AVR SW3.3V AVR (When CNTL is goes H, IC3 is actives)IC5 Mechanism control

16、micro processor -IC6 PWM driver Focus, Tracking coil, Feed and Spindle motor driver ICIC7 DSP CD signal processor, RF amp, Servo control, MP3 & WMA decoderIC8 EDO DRAM Date buffer (16MB)IC9 AVR Audio 3.3V AVR (When P-ON level goes H, Q12, 13 are turned ON)IC10 LPF Audio LPFQ1 Switching TR When MRST

17、goes L, Q1 is turned ONQ2 Switching TR When Q1 goes ON, Q2 is turned ONQ6 Switching TR When Q7 goes ON, Q6 is turned ONQ7 Switching TR When P-On goes H, Q7 is turned ONQ8 APC Auto power control & A 5V constant current circuitQ9 Driver 1.6V AVR driverQ10 Switching TR Loading & Eject motor drive volta

18、ge selectorQ11 Switching TR Guarantee of proper operation for between ICs Low level voltageQ12 Switching TR When Q13 base level goes H, Q12 is turned ONQ13 Switching TR When P-On goes H, Q13 is turned ON ELECTRIC UNIT (X34-3050-11/21, X34-3052-71/72)Ref No. Application / Functions Operation / Condit

19、ion / CompatibilityIC1 System control IC System control microprocessorIC2 E-VOL & tuner IC E-VOL. FM/AM tuner & stereo decoderIC3 Power supply IC For A8V AVRIC4 Audio power IC Audio power amplifierIC7 Power supply IC -9V AVR (For 4.5V Pre-out)IC8 Reset IC When BU5V line voltage is less than 3.5V, th

20、is IC output line is “L”IC9 Muting logic IC Control for MUTE, P-ANT & RESET mutingIC10 Buffer IC For spectrum analyzerIC1113 OP AMP For 4.5V Pre-outIC14 RDS decoder Decode for RDS signalCOMPONENTS DESCRIPTIONKDC-9026R/PSW9527KDC-W9027/X9795Ref No. Application / Functions Operation / Condition / Comp

21、atibilityIC15,16 Motor driver Control for Panel mechanism motorIC18 P-CON IC Power control ICIC19 Power supply IC Switching regulator IC for CD4.7VIC20 Analog SW Logic IC for muting controlQ1,2 BU 5V AVR While BU is applied when BU5V regulator output is +5VQ3,601 SW5V AVR When Q601base level goes H,

22、 SW5V regulator output is +5VQ4,5 SW14V AVR When Q5 base level goes H, SW14V regulator output is +14VQ68 Audio 8V AVR When Q6 base level goes H, A8V regulator output is +8.3VQ9,602 Servo +B AVR When Q602 base level goes H, S+B regulator output is +7.5VQ1114 Illumination & DC/DC +B AVR When Q11 base

23、level goes H, AVR output is +9.2VQ15,16 Audio 10.5V AVR When Q16 base level goes H, AVR output is +10.5VQ1719 Pre Amp & -9V AVRQ18, 19 work as differential amplifier, Q17 wark as driver and -9.1V is supplied to OPAMP for Pre-outQ2022 Pre Amp & +9V AVRQ20, 22 work as differential amplifier, Q21 wark

24、as driver and +9.4V is supplied to OPAMP for Pre-outQ23,24 P-ANT SW When Q23 base level goes H, P-ANT SW output is +14VQ25 Buffer EX amp control bufferQ26 Small lamp det. SW When Q26 base level goes H, Q26 turned ONQ27 BU detector When Q27 base level goes H, Q27 turned ONQ29 ACC detector When Q29 ba

25、se level goes H, Q29 turned ONQ30,31 Muting driver When base level goes L, muting driver is turned ONQ32,33 Surge DET. When Q32 base level goes H, Q32, 33 are turned ONQ34 Muting driver When Q34 base level goes L, muting driver is turned ONQ201 Buffer Noise detect buffer ampQ202 E-VOL muting SW When

26、 Q202 base level goes H, muting SW is turned ONQ203208 Pre-out muting SW When base level goes H, Pre-output is mutedQ210 AGC For AGC for spectrum analyzerQ303,304 AM +B SW When Q303 base level goes H, AM +B is out to tuner unit ELECTRIC UNIT (X34-3060-10, X34-3062-71)Ref No. Application / Functions

27、Operation / Condition / CompatibilityIC1 OP AMP Buffer amp for ADC input (DSP Lch)IC2 OP AMP Buffer amp for ADC input (DSP Rch)IC3 OP AMP LPF for DAC output (DSP Front)IC4 OP AMP LPF for DAC output (DSP Rear)IC5 OP AMP LPF for DAC output (DSP Sub & Center)IC6 OP AMP Sub output ampIC7 Analog SW Bus m

28、anagement SW (Dolby prologic II)IC8 OP AMP Bus management accumulator (Dolby prologic II)IC9 OP AMP Reference AVRIC10 DSP Audio DSP (24bit 2ch ADC & 6ch DAC)IC11 SRAM For DSPIC12 Buffer IC Level shift buffer IC(5V3.3V)IC13 AVR D 3.3V AVR (For DSP)IC14 AVR A 3.3V AVR (For DSP)Q1 AVR 3.3V regulatorQ2

29、AVR 3.3V regulatorCOMPONENTS DESCRIPTIONKDC-9026R/PSW9527KDC-W9027/X9796 SYSTEM MICROPROCESSOR : 703030YGCJ07-A (X34-305 : IC1)Pin No. Pin Name I/O Description / Processing Operation Fig.1CD SDA I/O CD mechanism, IC2, IC5, ROM correction DATA line2 TUN SCL I/O Clock input/ output to Tuner front-end3

30、 RDS AFS M I/O RDS control for MPX PLL hold4NC -NC5 CD SCL I/O CD mechanism, IC2, IC5, ROM correction CLOCK line6 EVDD - VDD 5V7 EVSS - GND8 RDS AFS L I/O RDS control for MPX PLL hold9 PWIC BEEP O BEEP audio output terminal10 REMO I Remote control input terminal11 BMS O PL2 BMS control terminal (H :

31、 BMS ON, L : BMS OFF)12 DSP RQ O DSP chip select output terminal ( L : Active)13 DSP SI O DSP serial data output terminal14 DSP CLK O DSP serial data clock output terminal15 DSP CODEC RST O Reset for DSP (AD/DA & DSP, L : RESET)16 DSP INT RST O Reset for DSP (System reset, L : RESET)17 DSP MUTE O DS

32、P input muting control (L : Mute ON, H : Mute OFF)18 TEST - NC (GND)19 PWIC MUTE O Audio power IC muting control terminal (POWER OFF, ALL OFF, TEL MUTE : L)20 P STBY O Audio power IC Stand-by terminal (POWER IC ON, ALL OFF : H, POWER IC OFF : L)21 P CON I/O Power control terminal (POWER ON : H, POWE

33、R OFF, ALL OFF : Hi-Z)22 DIAG I Over voltage/Over current detection terminal (Normal : H, Bad condition : L)23 MUTE O Muting control terminal (ON : OPEN, OFF : L)24 MUTE PRE R O PREOUT (Rch) muting control terminal25 MUTE PRE L O PREOUT (Lch) muting control terminal26 EXT AMP CONT O External amplifi

34、er control terminal27 BU DET I Momentary power dropped detection terminal (No Backup, Momentary power dropped : H, Backup : L)28 ACC DET I ACC detection terminal (With ACC : L, Without ACC : H)29 ILLUMI DET I Small lamp detection terminal (ON : L, OFF : H)30 ANT CONT (TYPE2) I/O Antenna control/ Des

35、tination select terminal (TUNER ON : H)31 RESET I Reset input terminal32,33 XT1/XT2 - Sub clock (32.768kHz)34 REGC - Connect to 1u capacitor35,36 X2/X1 - Main clock (20MHz)37 VSS - GND38 VDD - AVR 5V39 CLKOUT - NC40 LX REQ M O Communication request to external slave unit (Request : L)41 LX MUTE I Mu

36、te request from external slave unit (MUTE : H)MICROCOMPUTERS TERMINAL DESCRIPTIONKDC-9026R/PSW9527KDC-W9027/X9797Pin No. Pin Name I/O Description / Processing Operation Fig.42 LX CON O External slave unit (ON : H, OFF : L)43 LX RST O Reset output to external slave unit (Normal : L, After system rese

37、t : H 400ms or more and then L)44 P ON I/O SW14V, SW5V control terminal (POWER ON : H, POWER OFF : Hi-Z)45 PON ILL I/O FL, illumination control terminal (ON : H, OFF : Hi-Z)46 PON CD O CD5V output terminal (CD : H, Except CD source : L)47 FAC1 O FAC motor driver control terminal (Pulls cycle 16ms)48

38、 NC - NC49,50 TYPE0/TYPE1 I Destination select terminal51 PON PAN O Panel 5V control terminal (ON : H, Momentary power dropped : Hi-Z)52 DSI I/O DSI control (ON : L, OFF : Hi-Z)53 MC REQ O Communication request to panel microprocessor54 PAN RST O Reset output to panel microprocessor (Normal : H, Res

39、et, Momentary power dropped : L)55 DVDD - AVR 5V56 DVSS - GND57 SC CON O Panel microprocessor control terminal (POWER OFF, ACC OFF : L)58 CD MRST O Reset output to CD mechanism (Normal : H, Reset : L)59 CD MSTOP O Stop request to CD mechanism (STOP : L, CD : H)60 CD LOE SW I CD DOWN SW detection ter

40、minal (CD disc chucking : H)61 CD EJECT O CD mechanism loading/ eject control62 CD LOAD O CD mechanism loading/ eject control63 FPM MOTOR B O FPM mechanism (Slider) control terminal 164 FPM MOTOR F O FPM mechanism (Slider) control terminal 165 FPM MOTOR O O FPM mechanism (Angle) control terminal 166

41、 FPM MOTOR C O FPM mechanism (Angle) control terminal 167 OPEL DATA I/O External display DATA terminal68 OPEL CLK I/O External display CLK terminal69 OPEL CE I/O External display chip enable terminal70 CD MUTE R I Mute request from CD mechanism (Rch ON : L)71 AVDD - AVR 5V72 AVSS - GND73 AVREF I Con

42、nect to P-ON(45PIN)74 CD MUTE L I Mute request from CD mechanism (Lch ON : L)75 PAN DET I PANEL, E2PROM detection terminal (With panel : L, Without : H)76 LINE MUTE I PHONE detection terminal (TEL MUTE : 1V or less, NAVI MUTE : 2.5V or more)77 FPM SW4 IFPM mechanism position detect/ CD Mechanism det

43、ection terminal (3.75V or more : No mechanism,1.25V or more : H, Less than 1.25V : L)178 FPM SW1 I FPM mechanism position detect terminal 179 FPM SW2 I FPM mechanism position detect terminal 180 FPM SW3 I FPM mechanism position detect terminal 181 FPM PHOUT I FPM mechanism position detect terminal (

44、2.2V or more : H) 1MICROCOMPUTERS TERMINAL DESCRIPTIONKDC-9026R/PSW9527KDC-W9027/X9798Pin No. Pin Name I/O Description / Processing Operation Fig.82 TUN SMETER I S meter detection terminal83 RDS NOISE I FM noise detection terminal84 TUN IFC OUT I Front end IFC OUT input terminal (Receiving station :

45、 2.5V or more)85 PWIC DC DET I Audio power IC DC offset detection (H : OK, L : ERROR)86 CD 8EJE I 8cmDISC detection terminal (8cmDISC : L)87 RDS CLK I RDS decoder clock input terminal88 LX REQ S I Receive request from external slave unit (Request : L)89 SC REQ I Communication request from panel micr

46、oprocessor90 CD LOS SW I LOADING SW detection terminal (LOADING start, POWER OFF : L)91 CD 12EJE I 12cmDISC detection terminal (12cmDISC, POWER OFF : L)92 R QUAL I RDS decoder QUAL input terminal93 R DATA I RDS decoder DATA input terminal94 LX DATA S I Data input from external slave unit95 LX DATA M

47、 O Data output to external slave unit96 LX CLK I/O Clock input / output with external slave unit97 PAN RX I Data input from panel microprocessor98 PAN TX O Data output to panel microprocessor99 PON AM I/O AM+B (AM operation : H)100 TUN SDA I/O Clock input/ output to Tuner front-endFig.1 FPM motor co

48、ntrolSLIDE FPM mechanismFPM MOTOR B FPM MOTOR F operationLLStandbyHLBackward operationLHForward operationHHBrakeANGLE FPM mechanismFPM MOTOR O FPM MOTOR C operationLLStandbyHLAngle open directionLHAngle close directionHHBrakeMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-9026R/PSW9527KDC-W9027/X9799 PANEL M

49、ICROPROCESSOR : 703132GJ011-A (X16-253 : IC1)Pin No. Pin Name I/O Description / Processing Operation17 D14D8 I/O External ROM data input/output terminal8 3.3VDD - AVR 3.3V9 VSS - GND1017 D7D0 I/O External ROM data input/output terminal18 FL GCP1 O FL bright control terminal19 SC REQ O Communication request to system microprocessor (H : Request)20 MC REQ I Request from system microprocessor (H : Request)21 SC CON I Panel microprocessor control (H : While operation)22 FL BLK O Display control SW for FL driver (H : Display ON, L