Kenwood-KDCX-969-Service-Manual电路原理图.pdf

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1、KDC-9023RKDC-PSW9524KDC-X969SERVICE MANUAL 2003-2 PRINTED IN JAPANB53-0031-00 (N)3379CD RECEIVERs 50 4WDIGITAL AUDIOCOMPACTs 50 4WDIGITAL AUDIOCOMPACTPanel assy(A64-2975-01): KDC-X969Escutcheon(B07-3079-01)Panel assy(A64-2993-02): KDC-X969Panel assy(A64-2982-01): KDC-9023R, (A64-2984-01):KDC-PSW9524

2、Panel assy(A64-3002-02): KDC-9023R/PSW9524Escutcheon(B07-3079-01)CD mechanism extension cord : W05-0935-00CD mechanism operation description is not in this service manual.Please, refer to service manual X92-4030-0x (B51-7867-00).Mounting hardware assy(J21-9823-03)DC cord (ISO)(E30-4942-05) : KDC-902

3、3R/PSW9524Remote controller assy(RC-505)(A70-2040-05) : KDC-X969DC cord(E30-6062-05) : KDC-X969Lever(D10-4674-04) x 2Plastic cabinet assy(A02-2731-03)Remote controller assy(RC-420)(A70-2026-05) : KDC-9023R/PSW9524Screw set(N99-1723-05) : KDC-X969/9023RScrew set(N99-1734-05)Antenna adaptor(T90-0552-0

4、5) : KDC-9023R/PSW9524Size AA battery(Not supplied)Escutcheon(B07-3079-01)3HOW TO THE PANEL MECHANISM ASSEMBLY1. Fixed the position of operation side(Fixed the horizontal position when the panel opened)q The mounting hardware (281) of operation side is rota-tion (A) into the stop position with close

5、 side.w As figure (B) line is just above and the gear (230) at-tached to pin.BARotary to the stop position281230This line attached just aboveFig. B(This figure from look at B arrow)C284702SWDEF702SW2842. The slider assembly insert to bottom chassisq The bracket for display panel (284) is leave down,

6、 in-sert to the chassis (702). (C)w The slider assembly insert to the chassis (702) afterthat shift (D) direction.e The bracket for display panel (284) is raised (E) direc-tion.r Keep the raising conditions, the slider assembly is shift(F) direction.(Note) Do not bend the knob of chassis detection s

7、witchwhen the slider assembly insert.KDC-9023R/PSW9524/X969KDC-9023R/PSW9524/X9693BLOCK DIAGRAMTUNERCDCHUNITMECHAPANELTDF UNITSWITCH UNITDISPLAY(X16-208)(X16-210)(X16-217)(X25-964)BUFFERRDSDECODERBUFFERREMORESET SWKEY MATRIXFLu-COMMPXE-VOL&ACC DETTEL MUTEB.U DETSYSTEMDRIVERMUTEPOWERICACCTEL MUTEBACK

8、 UPSP OUT (FL)RESETKEY ILLIC14IC2IC1IC4IC8IC9Q303,304AM+BAGCES+PRE MUTEPRE MUTEPRE MUTEPRE OUT(FRONT)PRE OUT(REAR)(NF)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/FFOCUSSWWOWIC5IC20IC6IC9IC13IC12IC11Q2

9、07,208Q205,206Q203,204BU5VSW 5VSW 14V5VSERVOFL+BSW REGA8VPANELQ1,2Q3,601Q502,503Q4,5Q6-8Q9,602BU5VSW5VPANEL5VSW14VDC/DC A8VSERVOCD4.7VIC16MOTORDRDRMOTORIC15DC/DCROTARYENCODERIC7LEVELSHIFTLEVELSHIFTIC8u-COMIC11IC2IC3MASKROMSRAMMEMORYFLASHIC4BPFPANELSW5VIC63.3VSW3.3VQ5FL+BQ4FL3.3VQ2,3EEPROMEEP5VQ501IC

10、1Q23,24Q26Q25IC18Q27Q29IC10Q6,10Q11-14IC19S-METERAUDIO OUTSERVO8VBU5VCD4.7VBACK UPFMAMCDQUALCHPANEL5KEYBU5V8VSW5V8V 8VSW5VBPF8V8V9V9V9V8V9VSW5VFL+BFACAGC8V8VBU5VBU5VBU5VSERVO4KDC-9023R/PSW9524/X969BLOCK DIAGRAM16.93MHzPICK-UP(X32-5440-00)BOARDMOTHEREFABCTR COILFO COILAPC1 CHIP ICSERVOMP3 DECODERRF A

11、MPIC11Q416.93MHzCLOCKX1D. GNDIC4PROCESSORS. GNDLPFIC2IC13DRAMD. GNDIC7u-COMIC6A3.3 REG8V SWQ1Q3SWQ5SWQ2SWIC6D3.3VD. GNDA. GNDD. GNDS3S4S1S2D. GND(0-01)ONLYA. GNDA. GNDMOTORDRIVERMOTORSPINDLELOADING &SLED MOTOR24.57MHzCLOCKX3IC9WMA DECODERD. GNDIC52.5VREGREGCLOCK16.00MHzX27VREF309PONPONLchRchA. GNDA.

12、 +8VD. GNDBU. +5VD4.7VLOE/LIM SW8EJE SW12EJE SWLOS SWS7.5VLO/EJMOTORS. GND916SW5Va71 SUB-CIRCUIT UNIT (X16-2080-10)Ref. No. Application/Function Operation/Condition/CompatibilityIC1 E2PROM For securitya71 SUB-CIRCUIT UNIT (X16-2100-10)Ref. No. Application/Function Operation/Condition/CompatibilityIC

13、2 ROM ICIC3 SRAM ICIC4 Flash ROM IC For Display customizeIC5 Logic IC For Write and Read to IC3IC6 3.3V regulator The power supply for 3.3VIC7 Buffer IC It is change into 3.3V from 5VIC8 Buffer IC It is change into 5V from 3.3VIC9 Remote control ICIC10 Spectrum analyzer ICIC11 Panel -comQ1 3.3V regu

14、lator While PAN 5V is applied, 3.3V regulator outputs +3.3V.COMPONENTS DESCRIPTIONKDC-9023R/PSW9524/X9695Ref. No. Application/Function Operation/Condition/CompatibilityQ2, 3 FL+B SW FL+B (VDD2) is turned on when Q3s base level goes “H”Q4 FL3.3V SW FL+3.3V (VDD1) is turned on when Q4s base level goes

15、 “H”Q5 3.3V SW SW3.3V is turned on when Q5s base level goes “H”Q6, 10 REMO ON SW The power supply of IC9, 10 is turned on when Q10s base level goes “L”Q7 FL BLK SW VFD is turned on when Q7s base level goes “H”Q8 Blue LED SW Blue LED is turned on when Q8s base level goes “H”a71 SWITCH UNIT (X16-2170-

16、10)Ref. No. Application/Function Operation/Condition/CompatibilityQ1 DSI (Disabled System Indicator) DSI blinks when the base goes “H/L”Q2 KEY illumination SW (GREEN) ON (KEY illumination green) when the base goes “H”Q3 KEY illumination SW (RED) ON (KEY illumination red) when the base goes “H”a71 EL

17、ECTRIC UNIT (X25-964x-xx)Ref. No. Application/Function Operation/Condition/CompatibilityIC1 System -comIC2 E-vol & N.C. & MPXIC3 Regulator IC for A8VIC4 Power ICIC5 System Es ICIC6 Audio IC (WOW)IC7 -9V AVR (DC/DC IC) for 4.5V Pre-outIC8 Reset ICIC9 Logic IC for mutingIC10 Buffer for S.AIC1113 AMP f

18、or 4.5V Pre-outIC14 RDS dcoder ICIC15, 16 Motor driver IC for panel mechanismIC17 ROM IC For ROM correction.IC18 P-CON ICIC19 Swiching regulator IC for CD4.7VIC20 Analog SW for swiching IC6focusQ1, 2 B.U.5V AVR While BU is applied, BU5V AVR outputs +5V.Q3, 601 SW5V When Q601base goes Hi, SW5V output

19、s +5V.Q4, 5 SW14V When Q5base goes Hi, SW14V outputs 14V.Q68 AUDIO 8V AVR When Q6base goes Hi, A8V AVR outputs 8.3V.Q9, 602 SERVO+B AVR When Q602base goes Hi, S+B AVR outputs 7.5V.Q1114 ILL&DC/DC+B AVR When Q11base goes Hi, AVR outputs 9.2V.Q15, 16 AUDIO 10.5V AVR When Q16base goes Hi, AVR outputs 1

20、0.5V.Q1719 Pre-Amp -9V AVRQ18 and 19 works as a differential amplifier, Q17 works as a driver and -9.1V is suppliedto OP amp for Pre-out.COMPONENTS DESCRIPTION6KDC-9023R/PSW9524/X969Ref. No. Application/Function Operation/Condition/CompatibilityQ2022 Pre-Amp +9V AVRQ20 and 22 works as a differential

21、 amplifier, Q21 works as a driver and +9.4V is suppliedto OP amp for Pre-out.Q23, 24 P-ANT SW When Q23base goes Hi, P-ANT SW outputs 14V.Q25 Ex amp control bufferQ26 Small lamp det SW When Q26base goes Hi, Q26 is turned on.Q27 BU det When Q27base gose Hi, Q27 is turned on.Q29 ACC det When Q29base go

22、se Hi, Q29 is turned on.Q30, 31 Mute driver When a base gose Lo, mute driver is turned on.Q201 Noise bufferQ202 E-vol mute SW When a base gose Hi, mute SW is turned on.Q203208 Pre-out mute SW When a base gose Hi, Pre-out is muted.Q210 AGC for SAQ303, 304 AM+B SW When Q303base gose Hi, AM+B is out.Q3

23、05 Composite signal buffer for RDSQ501 E2P 5V SW When Q501base gose Lo, E2P 5V is out.Q502, 503 PANEL 5V SW When Q503base gose Hi, PANEL 5V is out.Q603 SW for IC20 When Q603base gose Hi, Q603 is turned on.a71 CD PLAYER UNIT (X32-5440-00)Ref. No. Application/Function Operation/Condition/Compatibility

24、IC1 Audio 3.3V regulatorIC2 Audio LPFIC4 BTL driverIC5 2.5V regulatorIC6 3.3V regulatorIC7 Mechanism control -comIC8 Level shift (3.3V5V)IC9 WMA decoderIC10 WMA clock bufferIC11CD signal processor LSI+ RF amplifier + MP3 decoderIC12 WMA chip schmitt triggerIC13 Data buffer DRAMQ1 A.8V SW When Q3 is

25、on, Q1 is turned on.Q2 3.3V regulator SW When PON is on, Q2 is turned on.Q3 A.8V SW When PON is on, Q3 is turned on.Q4 APC (Auto Power Control)Q5 D.5V SW When PON is Lo, Q5 is turned on.D1 Pick-up laser diode protectionD2 Dropped out diodeCOMPONENTS DESCRIPTIONKDC-9023R/PSW9524/X9697MICROCOMPUTERS T

26、ERMINAL DESCRIPTIONa71 SYSTEM MICROCOMPUTER : 703033BGC020 (X25-964 : IC1)Pin No. Pin Name I/O Module Purpose / Description Truth table Processing Operation1 PLL_DATA I/O Tuner Data output/input with F/E.2 AM+B I/O Power supply AM+B. AM operation : H3 (FM+B) O Power supply FM+B (S01 F/E only).FM ope

27、ration : H,Last FM : H (With RDS, RBDS model)4 V_ILL PAN_E2P DATA I/O To panel V-ILL D/A converter (V-ILL, LCD), E2PROM data.5 V_ILL PAN_E2P CLK I/O To panel V-ILL D/A converter (V-ILL, LCD), E2PROM clock.6 EVDD -7 EVSS -8 AFS O Tuner Noise detection time constant switching.FM seek, AF search : L, R

28、eceiving : H,Auto 0 : L9 BEEP O Audio Beep output.10 REMO I Extra Remote control input (Panel, External display).11 P_MUTE O Audio Power IC MUTE output. Power OFF : L, All OFF : L, TEL mute : L12 (SVR) O Audio Power IC SVR discharge circuit control.Power OFF momentary power dropped: H (5 second) and

29、 then LCD CD mechanism data line.13 IC2_SDA I/O Audio IC2, IC5 data line.Extra ROM correction data line.CD CD mechanism clock line.14 IC2_CLK I/O Audio IC2, IC5 clock line.Extra ROM correction clock line.15 P_STBY O Audio Power IC STBY output. Power IC ON : H, Power IC OFF : L, All OFF : H16 P_CON I

30、/O Extra Power control. Power ON : H, Power OFF : Hi-Z, All OFF : Hi-Z17 WOW_MODE2 O Audio WOW control. q18 TEST - Connect to GND.19 DIAG I Extra P_CONIC over voltage, over current detection. Usually : H, Unusually : L20 MUTE O Audio Mute output. ON : OPEN, OFF : L21 PRE_MUTER O Audio PREOUT (R ch)

31、mute.M MUTE L is L : L (CD), Momentary powerdropped : L, 2 zone, NAVI interrupt : Fixed H22 PRE_MUTEL O Audio PREOUT (L ch) mute.M MUTE R is L : L (CD), Momentary powerdropped : L, 2 zone, NAVI interrupt : Fixed H23 BU_DET I Extra Momentary power dropped detection.Backup : L,No backup, momentary pow

32、er dropped : H24 ACC_DET I Extra ACC detection. With ACC : L, Without ACC : H25 FOCUS I/O Audio WOW focus control. Focus HI : H, Focus LOW : Hi-Z26 EXT_AMP_CONT O Extra External amplifier control. Refer to external amplifier control.27 DIMMER I Extra Small lamp detection. ON : L, OFF : H8KDC-9023R/P

33、SW9524/X969Pin No. Pin Name I/O Module Purpose / Description Truth table Processing OperationANT_CON O Extra Antenna control. wTuner ON : H, Other source With RDS last FM28: H, Other source with RDBS TI ON last FM : HTYPE2 I Extra Destination select. wK,J type (With ANT_CON model) : L,E type (Withou

34、t ANT_CON model) : H29 P_ON I/O Power supplySW 14V, SW 5V control, AD referencePower ON : H, Power OFF : Hi-Zvoltage control output.30 ILL_ON I/O Power supply FL, illumination output. ON : H, OFF : Hi-Z31 RESET -32 XT1 - Sub clock. 32.768kHz33 XT2 - Sub clock. 32.768kHz34 REGC - Connect to 1F capaci

35、tor.35 X2 - Main clock. 20MHz36 X1 - Main clock. 20MHz37 VSS -38 VDD -39 CLKOUT -40 LX_REQ_M O LX Communication request to external slave. Request : L41 LX_MUTE I LX Mute request from external slave. Mute ON : H42 LX_CON O LX External slave select. ON : H, OFF : L43 LX_RST O LX Reset output to exter

36、nal slave -comNormally : L, After system reset : H (400msor more) and then LCD source : H, Except CD source : L,44 CD_MECHA+B O Power supply CD 4.7V output. ON : Fast 50ms than M_STOP,OFF : Slow 50ms than M_STOP45 TYPE0 I Extra Destination select. w46 TYPE1 I Extra Destination select. w47 IC2_TYPE0

37、I Extra IC2 destination. w48 IC2_TYPE1 I Extra IC2 destination. w49 PAN5V I/O Power supply Panel 5V control. ON : H, Momentary power dropped : Hi-Z50 E2P5V I/O Power supply E2PROM, DA converter power supply control. ON : L, OFF : Hi-Z51 DSI I/O To panel DSI control. ON : L, OFF : Hi-Z52 MC_REQ O To

38、panel Communication request to panel -com.53 PAN_RST O To panel Reset output to panel -com.Normally : H,Reset, momentary power dropped : L54 WOW_MODE3 O Audio WOW control. q55 BVDD -56 BVSS -57 SC_CON O To panel Panel -com control. Power OFF, ACC OFF : L58 M_RST O CD Reset output to CD mechanism. No

39、rmally : H, Reset : L (Per mechanism control)59 M_STOP O CD Stop request to CD mechanism. Stop : L, CD : HMICROCOMPUTERS TERMINAL DESCRIPTIONKDC-9023R/PSW9524/X9699Pin No. Pin Name I/O Module Purpose / Description Truth table Processing Operation60 CD_SW3 I CD DC down switch detection. Chucking : H6

40、1 LO/EJ I/O CD CD mechanism loading/eject switch. Stop, brake : Hi-Z, Loading : L, Eject : H62 MOSW O CD CD mechanism motor driver switch. Loading, eject, brake : H63 FPM MOTOR B O P-mecha FPM mechanism (Slider) control. e64 FPM MOTOR F O P-mecha FPM mechanism (Slider) control. e65 FPM MOTOR O O P-m

41、echa FPM mechanism (Angle) control. e66 FPM MOTOR C O P-mecha FPM mechanism (Angle) control. e67O_DATA I/O Extra External display data input/output. External displayNC O NC (Without external display model) Output : L68O_CLK I/O Extra External display clock input/output. External displayNC O NC (With

42、out external display model) Output : L69O_CE I/O Extra External display chip enable input/output. External displayNC O NC (Without external display model) Output : L70 M_MUTER I CD Mute request form CD mechanism. (R ch). ON : L (CD)71 AVDD -72 AVSS -73 AVREF - Connect to P_ON (29 pin).74 M_MUTEL I C

43、D Mute request form CD mechanism. (L ch). ON : L (CD)75 PAN_DET I To panel Panel E2PROM detection. With : L, Without : HTEL mute : 1V or less,76PHONE I Extra PHONE detection. NAVI mute : 2.5V or more,J type 1V or less, 2.5V or more : NAVI muteNC I NC (Without TEL-MUTE model) Connect to GND.77 FPM SW

44、4 I P-mechaFPM mechanism position detection,e3.75V or more : No mechanism,mechanism detection. 1.25V or more : H, Less than 1.25V : L78 FPM SW1 I P-mecha FPM mechanism position detection. e79 FPM SW2 I P-mecha FPM mechanism position detection. e80 FPM SW3 I P-mecha FPM mechanism position detection.

45、e81 FPM PHOUT I P-mecha FPM mechanism position detection. e H : 2.2V or more82 S_METER I Tuner S-meter detection. Refer to S03 F/E control.83 NOISE I Tuner FM noise detection. Refer to S03 F/E control.84 IFC_OUT I Tuner F/E IFC OUT input. With station : 2.5V or more, refer to S03 F/E control.85 NC (

46、POWER_DET) I Extra Power IC DC offset detection. 03 model not used. Connect to GND.86 NC O NC Output : L87 R_CLK I Tuner RDS decoder clock input.88 LX_REQ_S I LX Receive request from external slave. Request : L89 SC_REQ I To panel Communication request from panel -com90 CD_SW1 I CD Loading switch de

47、tection. Loading start power off : L91 CD_SW2 I CD 12cm disc detection switch. 12cm disc power off : L92 R_QUAL I Tuner RDS decoder QUAL input.MICROCOMPUTERS TERMINAL DESCRIPTION10KDC-9023R/PSW9524/X969Pin No. Pin Name I/O Module Purpose / Description Truth table Processing Operation93 R_DATA I Tune

48、r RDS decoder data input.94 LX_DATA_S I LX Data input from external slave.95 LX_DATA_M O LX Data output to external slave.96 LX_CLK I/O LX Clock input/output with external slave.97 PAN_RX I To panel Data input from panel -com98 PAN_TX O To panel Data output to panel -com99 WOW_MODE1 O Audio WOW cont

49、rol. q100 PLL_CLK I/O Tuner Clock input/output with F/E.Truth tableq WOW MODE changover operationMODE WOW_MODE1 WOW_MODE2 WOW_MODE3 FOCUSBYPASS L L L Dont careTruBass L H L Dont care3D-STEREO L L H Dont careFOCUS LOW H L L L (Hi-z)FOCUS HI H L L HWOW LOW H H H L (Hi-z)WOW HI H H H Hw Destination portMODEL Destination DISPLAY TYPE2 TYPE1 TYPE0KDC-X969 K FL 0 0 0KDC-MP922 K FL 0 0 1FX-9000 J FL 0 1 0KDC-PSW9524 E FL 1 0 0KDC-9023R M (E) FL 1 0 1KDC-X869 K FL 0 1 1KDC-8024 E FL - - -KDC-MP822 K LCD - 0 0KDC-M7024 E LCD - 0 1FX-5000 J LCD - 1 0KDC-V