Kenwood-KDC-133-Service-Manual 电路图 维修手册.pdf

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1、 2005-9 PRINTED IN JAPAN B53-0326-00 (N) 1699 CD RECEIVER KDC-1032 KDC-132/CR KDC-133/233 KDC-234SGY SERVICE MANUAL Panel assy KDC-1032 (A64-3771-02) Panel assy KDC-132 (A64-3770-02) Panel assy KDC-132CR (A64-3854-02) Panel assy KDC-133 (A64-3774-02) Panel assy KDC-233 (A64-3775-02) Mounting hardwar

2、e assy (J21-9716-03) Lever (D10-4589-04) x2 * DC cord (E30-6415-15) * Screw set (N99-1757-05) * Escutcheon (B07-xxxx-xx) VOL AUD FF SET UP CRSCSCANRDMREP /AUTO AME CRSC VOL AUD FF SET UP SCANRDMREP /AUTO AME VOL AUD FF SET UP MONOSCANRDMREP /AUTO AME CRSC VOL AUD FF SET UP SCANRDMREP /AUTO AME CRSC

3、VOL AUD FF SET UP SCANRDMREP /AUTO AME /AUTO AME VOL AUD FF SET UP SCANRDMREPCRSC Panel assy KDC-234SGY (A64-3773-02) SPARE TDF PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-1032Y33-2390-60TDF-61DB KDC-132Y33-2390-61TDF-61D KDC-132CRY33-2390-62TDF-61DCR KDC-133Y33-2390-64TDF-133 KDC-233Y33-2390-63TD

4、F-233 KDC-234SGYY33-2390-67TDF-234SG * Carrying case (W01-1661-05) * DC cord (E30-6427-05) * Screw (4x16) (N84-4016-48) * Antenna adaptor (T90-0523-05) * Depends on the model. Refer to the parts list. This product uses Lead Free solder. RadioFans.CN 收音机爱 好者资料库 2 KDC-1032/132/132CR KDC-133/233/234SGY

5、 BLOCK DIAGRAM MPX IN MPX OUT AUDIO P-ANT P-CON AM+B SW5V BU5V ILLUMI VCC AUDIO+B OUT KEY ILLUMI FM AGC L506 Q501 AM AGC DME1 CD IC10 E-VOL. TUNER, IC6 RDS DECODER IC12 E2PROM IC11 RST IC IC1 SYSTEM u-COM Q223,224 IC8 MUTE LOGIC IC4 POWER IC Q70 SURGE DET BU DET Q10 ACC DET TEL MUTE D30,C30,R30 Q20

6、PAN5V DSI DSI ILLUMI +B SERVO Q101 Q101 Q55 Q102 LCD DRIVER KEY MATRIX WITH IC1 LCD ED1 SUPPLY IC POWER IC7 MPX & SERVO A8V BU5V MECHA BU5V AM+B A8V MUTE PRE OUT SW5V AM+B A8V PAN5V SERVO BU5V PRE OUT SP OUT BACK UP ACC TEL MUTE P-ANT P-CON BU5V REMOTE IC2 PAN5V VOL S2 ANT J1 J2 (X16- ) (X34- ) 800m

7、V FM(J,K) : 1800mV : 1372mVFM(E) AM(E) AM(J,K) : 855mV : 600mV CD CH : 3600mV : 3600mV EF A C B TR COIL FO COIL APC SERVO u-COM IC2 Q1 16.934MHz CLOCK X1 DRIVER MOTOR IC3 PROCESSOR LPF IC4 8V SW Q4 Q3 SW S3 S1 S2 D. GND RF AMP IC1 REF 5V REG D2 S. GND A. GND D. GND SLED LOADING 5V SW Q2 D. GND D. GN

8、D LOADING & SLED MOTOR SPINDLE MOTOR AMP Q5,6,D3 CURR. DM1 DM2 PICK-UP (DPU1) CD PLAYER UNIT (X32-5840-00) BOARD (X34-) MOTHER MECHA ASSY (X92-) 7 VREF L-ch R-ch A. GND A8V D. GND BU5V LOE/LIM SW 12EJE SW LOS SW S7.5V LO/EJ MOTOR S. GND VREF VREF 2 2 4 DRV MUTEMUTE DOUT DATA 4 2 CLK MSTOP MRST MUTE

9、L MUTE R 2 2H L 12 5 2 4 3 20 21 17 13 15 1 14 9 7 6 8 18 12 11 10 22 19 SW +5V A+5V RadioFans.CN 收音机爱 好者资料库 3 KDC-1032/132/132CR KDC-133/233/234SGY COMPONENTS DESCRIPTION ELECTRIC UNIT (X34-419x-xx) Ref. No.Application / FunctionOperation / Condition IC1System -COMSystem controller IC4Power ICSigna

10、l amplifier IC7Power supply ICDC5Vx1, 7.9x1, 8.1Vx2, 10.2Vx1, P-CON, P-ANT output IC8Mute logic ICControls for mute operation IC10E-VOL & TunerE-VOL, tuner, stereo decoder IC11Reset IC“L”: detection. Voltage is below 3.6V IC12E2PROMSaves and loads for tuner adjustment data Q10BU detectionON when the

11、 base goes “Hi” during BU is applied Q20ACC detectionON when the base goes “Hi” during ACC is applied Q40Mute driver for PRE OUTON when the base goes “Lo” Q505V SWON when the base goes “Lo” Q51Control SW for SERVO+BON when the base goes “Hi” Q53Control SW for IC3ON when the base goes “Hi”. Output vo

12、ltage is 10.3V Q55SERVO+B AVROutput voltage is 7.5V Q70Surge detectionON when the base goes “Hi” Q102Panel 5V SWON when the base goes “Lo” Q223Mute SW for Lch PRE OUTPre-output is muted when the base goes “Hi” Q224Mute SW for Rch PRE OUTPre-output is muted when the base goes “Hi” Q251IC4 SVR dischar

13、ge SWON when the base goes “Hi” Q501AM RF amplifierAdjusts for gain Q502FM RF amplifierRF amplifier SWITCH UNIT (X16-356x-xx) Ref. No.Application / FunctionOperation / Condition IC1LCD driver IC2Remote control sensorKDC-132CR only Q1Key scan start SWON when the base goes “Lo” DAUGHTER UNIT (X89-2690

14、-10) : KDC-1032 only Ref. No.Application / FunctionOperation / Condition Q221,2222-PREOUT MUTEON when the base goes “Hi” Q2252-PREOUT MUTEON when the base goes “Hi” CD PLAYER UNIT (X32-5840-00) Ref. No.Application / FunctionOperation / Condition Generation of RF signal based on the signals from the

15、APC circuit and pickup, and IC1 RF AMPLIFIER respondinggeneration of servo error (focusing error and tracking error) signals. to CD-RWDetection of dropout, anti-shock, track crossing and off-tracking conditions, included gain control function during CD-RW. RadioFans.CN 收音机爱 好者资料库 4 KDC-1032/132/132C

16、R KDC-133/233/234SGY Ref. No.Application / FunctionOperation / Condition Focusing, tracking, sled and spindle servo processing. IC2 CD SIGNAL PROCESSORAutomatic adjustment (focusing, tracking, gain, offset and balance) operations. built-in -COMDigital signal processing (DSP, PLL, sub-codes, CIRC err

17、or correction, audio data interpolation processing) operations, and microcomputer function. IC34ch BTL DRIVER Focusing coil, tracking coil, spindle motor and sled motor driver, disc loading and eject operation. IC4LPF (LOW PASS FILTER)2nd low pass filter for audio signals Q1APC (AUTOMATIC POWER CONT

18、ROL)LD power control Q2DIGITAL +5V SWON when P. ON signal goes “Lo” Q3Q4 SWON when P. ON signal goes “Lo” (SW+5V is ON) Q4ANALOG +8V SWON when P. ON signal goes “Lo” (Q3 is ON) Q5, 6CURRENT AMPCurrent driver COMPONENTS DESCRIPTION MICROCOMPUTERS TERMINAL DESCRIPTION SYSTEM -COM: IC1 on X34- (ELECTRI

19、C UNIT) Pin No.Pin NameI/OApplicationTruth value tableProcessing Operation Description 1TDF DETIPanel detectionH: Panel detached, L: Panel attached 28EJE SWI H: Eject completed Always L-output for models that do not support 8cm CD 3NC-Not used (output L) 4AVSS- 5L-RSTOLCD driver reset H: When panel

20、detached, L: Reset Normally H, L when Power OFF 6L-CEOLCD driver select H: Select (Panel communication) L-output when panel detached 7AVREF1- 8NC-Not used (connected to pin 9) 9IC10-DATAI/OE2PROM communication data for IC10H for no communication 10IC10-CLKOE2PROM communication clock for IC10H for no

21、 communication 11L-DATALICommunication data from LCD driver H for no communication, L when panel detached Pull Down at over X34 12L-DATALOCommunication data to LCD driverL-output when panel detached 13L-CLKOCommunication clock to LCD driverL-output when panel detached 14R-DATAICommunication data fro

22、m RDSL-output for models without RDS 15R-QUALICommunication qualification from RDSL-output for models without RDS 1618NC-Not used (output L) 19FUNC OUTOFunction output resultH: OK, L: NG 5 KDC-1032/132/132CR KDC-133/233/234SGY Pin No.Pin NameI/OApplicationTruth value tableProcessing Operation Descri

23、ption 20NC-Not used (output L) 21AFSOConstant switching for noise H: Normal, L: FM/AM seek and AF search (L for Tuner SRC Auto Zero) 2225NC-Not used (output L) 26TYPE REFO5V output for destination settingH: When reading destination 27SDITuner SD inputH: Staion found 28NC-Not used (output L) 29TYPE2I

24、Destination 2q 30TYPE1IDestination 1q 31TYPE0IDestination 0q 32TUNER-TYPE1IE-VOL setting switchingH: OEM model 1, L: KENWOOD brand model 33VSS1- 34TUNER-TYPE1IE-VOL setting switchingH: OEM model 0, L: KENWOOD brand model 35MUTEOMute (E-Vol/Pre) control H: Mute ON, L: Mute OFF L in 15 seconds after P

25、ower OFF 36M-DATAI/OCD mechanism communication dataH for no communication 37M-CLKOCD mechanism communication clockH for no communication 38ADJOTuner line adjustment When ADJ=H, PS1-0,1=L, PS1-2,2-0,1=Hi-z IC10-DATA, CLK=Hi-z 39P-MUTEOPower IC mute control L: Mute OFF, L: Mute ON H in 15 seconds afte

26、r Power OFF 40SVROPower IC SVR controlH: When reduction of power is detected, L: Normal 41P-STBYOPower IC STBY controlH: Power IC ON, L: Power IC OFF 42SW5VOSW5V control H: SW5V OFF, L: SW5V ON H in 10 seconds after Power OFF 43B.U-DETIBack Up detectionH: Reduction of power, L: BU found 44ACC-DETIAC

27、C detectionH: ACC OFF, L: ACC ON 45PS1-0O Power IC SW1 control 0 (AUDIO8V/P-CON) 46PS1-1O Power IC SW1 control 1 (AUDIO8V/P-CON) 47PS1-2OPower IC SW1 control 2 (P-ANT) 48PS2-0OPower IC SW2 control 0 (ILLUMI/FM/AM) 49PS2-1OPower IC SW2 control 1 (ILLUMI/FM/AM) 50BEEPOBeep 51ENC CCWIRotary encoder inp

28、ut 52ENC CWIRotary encoder input 53DSIODSI control 54LOE/LIM SWICD mechanism Down & Limit detectionH: Chucking detection, L: Normal 55MO SWOCD mechanism motor switching SWH: Loading/Eject/Break, L: Play MICROCOMPUTERS TERMINAL DESCRIPTION 6 KDC-1032/132/132CR KDC-133/233/234SGY Pin No.Pin NameI/OApp

29、licationTruth value tableProcessing Operation Description 56LO/EJI/OCD mechanism Loading/Eject switchingH: Eject, L: Loading 57M-STOPOCD mechanism Stop outputH: CD ON, L: Stop 58M-RSTOCD mechanism Reset outputH: Normal, L: Mechanism reset 59M-MUTEICD mechanism mute inputH: Mute OFF, L: Mute ON 60RES

30、ETISystem -com reset input 61REMOIRemote controller input 62R-CLKIRDS clock inputL-output for models without RDS 63NC-Not used (output L) 64LOS SWICD mechanism Loading SW detectionH: No DISC, L: DISC IN (Loading start) 65KEY-REQI Key input detectionH: No key input (Connection with pin 11 L-DATAL)L:

31、Key input (Started to read Edge Key Data) 668EJE SWI12cm DISC detectionL: 12cm DISC 67VSS0- 68VDD1- 69X2-MAIN Xtal oscillation circuit4.19MHz Xtal connection 70X1-MAIN Xtal oscillation circuit4.19MHz Xtal connection 71IC-TEST 72XT2-NCOpen 73XT1-VDDVDD connection 74VDD0- 75AVREF0- AD converter refere

32、nce voltage (Connection to pin 80 AVCONT) 76S-METERIS-meter input 77NOISEINOISE detection (FM) 78PHONEI2way Mute 2.5V or more: NAVI mute, 1.0V or less: TEL mute L-output to the model without Phone mute 79NC-Not used (output L) 80AVCONTOAD reference voltage control H: When AD converter is used The sa

33、me timing as P. ON MICROCOMPUTERS TERMINAL DESCRIPTION Truth value table q Destination TYPE2 (pin29)TYPE1 (pin30)TYPE0 (pin31)DESTINATIONMODEL 000KKDC-1032/132/132CR 001- 010EKDC-234SGA/334SA/334SAY/334SG/334SGY 011- 100- 101MKDC-132/233 110- 111JRDT-111 7 KDC-1032/132/132CR KDC-133/233/234SGY MICRO

34、COMPUTERS TERMINAL DESCRIPTION CD MECHANISM -COM : IC2 on X32- (CD PLAYER UNIT) Pin No.Pin NameI/OApplicationProcessing Operation 1TVDOTraverse drive output (PWM output) 2SPLOSpindle motor drive output (PWM output) 3NC-No connection 4PWMOMultipurpose PWM output 5TBALOTracking balance adjustment outp

35、ut (PWM output) 6FBALOFocusing balance adjustment output (PWM output) 7NRFDETIRF detection signal inputL: Detection 8OFTIOff-tracking signal inputH: Detection 9BDOIDrop-out signal inputH: Detection 10LDONOLaser-on signal outputH: Focus ON 11DSLBODSL balance output 12DVDD1-Power supply for digital ci

36、rcuit 13DVSS1-GND for digital circuit 14AVSS2-GND for analog circuitFor DSL, PLL and A/D converter 15DSLFI/OLoup filter for DSL and bias output for ARF 16ARFIRF signal input 17RFSWIDSL circuit time constant switch 18PLLFI/OLoup filter for PLL 19PLLF2I/OLoup filter character switch for PLL 20IREFIRef

37、erence current input 21RFENVIRF envelope signal input 22TRCRSITracking cross signal input 23TEITracking error signal input 24FEIFocusing error signal input 25AVDD2-Power supply for analog circuitFor DSL, PLL and A/D converter 26AVSS1-GND for analog circuitFor Lch/Rch audio output 27OUTRORch audio ou

38、tput 28AVDD1-Power supply for analog circuitFor Lch/Rch audio output 29OUTLOLch audio output 30DVSS3-GND for digital circuit 31CSEL- 32NC-No connection 33ASEL- 34MSEL0- 35MSEL1- 3639NC-No connection 40VREFP-Reference power supply input for A/D converter 41HOT- 428EJE SW- 8 KDC-1032/132/132CR KDC-133

39、/233/234SGY MICROCOMPUTERS TERMINAL DESCRIPTION Pin No.Pin NameI/OApplicationProcessing Operation 4312EJE/SDET SW- 44LOE/LIM SWI Loading-end detection /H: Loading-end detection Pick-up inner circumference detectionL: Pick-up inner circumference detection 4549NC-No connection 50DVDD2-Power supply for

40、 digital circuit 51X1IMain clock input 52X2OMain clock output 53DVSS2-GND for digital circuit 54XSUB1- 55NC-No connection 56TEST1-Test terminalNormal condition: “H” fixed 57TEST2-Test terminalNormal condition: “H” fixed 58,59NC-No connection 60DRV MUTEODriver mute controlL: Mute ON, H: Mute OFF 61MU

41、TE LOAudio Lch mute output 62MUTE ROAudio Rch mute output 63RSTILSI reset input 64OCD CLK- 65MSTOPIStandby detection 66DATAI/OI2C bus data line (Communication line to system -com)During serial writer is connected. 67SBIOIData inputDuring serial writer is connected. 68CLKI/OI2C bus clock line (Commun

42、ication line to system -com)During serial writer is connected. 69TXODigital audio interface signal output 70NC-No connection 71XSEL- 72MCNTILoading control / Eject controlL: OFF (Host control), H: Mecha -com control 73P. ONOAudio & Servo power supply controlL: Power supply ON, H: Power supply OFF 74

43、,75NC-No connection 76CD-RWOCD-RW controlH: CD-RW, L: Normal disc 77NC-No connection 78DVDD3-Power supply for digital circuit 79FODOFocusing drive output (PWM output) 80TRDOTracking drive output (PWM output) 9 KDC-1032/132/132CR KDC-133/233/234SGY TEST MODE How to enter the test mode Press Preset 1

44、and Preset 3 keys simultaneously to re- set the unit. How to clear the test mode Reset. (Do not clear by Power OFF and ACC OFF.) Initial conditions of the test mode Source is STANDBY. Displays lights are all turned on. The volume is at -10dB (The display is 30). CRSC is OFF, regardless of whether th

45、ere are switching functions or not. LOUD is OFF. SYSTEM Q is NATURAL (FLAT). BEEP should always work by pressing a key. Test mode specification for TUNER TUNER (FM) Preset 4 key shall be 98.3MHz. CD receiver test mode specifications Forced discharging operation is prohibited at reset start. Note tha

46、t a CD is not to be recognized by reset when it is in- serted. Track up key triggers a jump to the following tracks. No. 9 No. 15 No. 10 No. 11 No. 12 No. 13 No. 22 No. 14 No. 9 (recursive) Track down key moves back to the previous track from the current track. Preset 1 key triggers a jump to No. 28

47、. Preset 2 key triggers a jump to No. 14. (Scan function is invalid.) Audio adjust mode Pushing the VOL key enters the audio function mode. The initial item is Fader. (FAD BALANCE BASS MID TRE) Use AM/FM key to switching items. Use Seek Up/Down key to switching the adjusted value. Adjust Fader/Balan

48、ce to three levels (15 0 15) with Volume up/down. (initial value: 0) Adjust Bass/Middle/Treble to three levels (-8 0 +8) with Volume up/down. (initial value: 0) Pressing the VOL key for more than a second enters the audio setup mode. Use AM/FM key to switching items. Use Seek Up/Down key to switchin

49、g the adjusted value. Adjust Volume offset to two levels (-8 0). (initial value: 0) Initialize everything with the Track-Up key in the standby source. Pressing key on the remote controller enters the audio adjustment mode. (Use key to cancel. KDC-132CR only) Continuous feed with a remote controller shall not be used. Pressing a key activates a motion. (KDC-132CR only) Special display when all lights are on The following information will be displayed by pressing the preset key when STANDBY indicators are on