Kenwood-KD-CW-311-AY-Service-Manual 电路图 维修手册.pdf

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1、 2006-12 PRINTED IN JAPAN B53-0483-00 (N) 229 CD RECEIVER KDC-W237AY/W237GY KDC-W3037AY/W3037GY KDC-W311AY/W311GY KDC-W3537AY/W3537GY/W4037Y SERVICE MANUAL This product uses Lead Free solder. * Depends on the model. Refer to the parts list. SPARE TDF PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-W23

2、7AYY33-2660-60TDF-W237A KDC-W237GYY33-2660-61TDF-W237G KDC-W3037AYY33-2650-63TDF-W3037A KDC-W3037GYY33-2650-64TDF-W3037G KDC-W311AYY33-2650-65TDF-W311A Panel assy KDC-W3537AY/W3537GY (A64-4042-12) Panel assy KDC-W4037Y (A64-4038-12) KDC-W311GYY33-2650-66TDF-W311G KDC-W3537AYY33-2650-61TDF-W3537A Pan

3、el assy KDC-W311AY/W311GY (A64-4057-12) AUTOAME DISP / KDC-W237 AM SCANRDMREPF.SEL FM SCRLVOL ATT AUD SET UP MENU B.BOOST KDC-W3037 AM SCANRDMREPF.SEL FM SCRL DISP /PTY VOL ATT AUD SET UP TIAME MENU B.BOOST KDC-W311 AM SCANRDMREPF.SEL FM SCRL DISP /PTY VOL ATT AUD SET UP TIAME MENU B.BOOST KDC-W3537

4、 AM SCANRDMREPF.SELM.RDM FM SCRL DISP /PTY VOL ATT AUD SET UP TIAME MENU B.BOOST KDC-W4037 AM SCANRDMREPF.SELM.RDM FM SCRL DISP SW /PTY VOL ATT AUD SET UP TIAME MENU B.BOOST Panel assy KDC-W237AY/W237GY (A64-4058-02) Panel assy KDC-W3037AY/W3037GY (A64-4056-12) KDC-W3537GYY33-2650-62TDF-W3537G KDC-W

5、4037YY33-2650-60TDF-W4037 Antenna adaptor (T90-0523-05) DC cord (E30-6427-05) Lever (D10-4589-04) x2 * Escutcheon (B07-xxxx-xx) Mounting hardware assy (J21-9716-03) Carrying case (W01-1685-05) * Remote controller assy (RC-557) (A70-2087-05) Battery (Not supplied) RadioFans.CN 收音机爱 好者资料库 2 KDC-W237AY

6、/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y BLOCK DIAGRAM 2 16 1 FRONT/ P.ON FL BU DET PHONE ACC DET RST PHONE ACC DET / BU DET PS1-1 / PS1-2 / PS1-3 P.ON FL PS2-1 / PS2-2 9 5 9 BU DET 11 3 MUTE 8 R11-15 12 3 3 3 1 ROM CORRECTION (NOT USED) 1 1 REAR/SW 111 1 R80-82 P-ANT P-CON B.U.

7、 ACC PHONE SP-OUT PS2-1 / PS2-2 PS1-1 / PS1-2 / PS1-3 R103 1 FL+B 2 LX-BUS E-VOL IC2 or IC3 A8V SYSTEM u-COM BU POWER DC-DET Q701-704 PRE-OUT PHONE ACC-DET Q101 SURGE- Q103 BU-DET Q102 SW14V Q1 Q2 DC-CN A8V SERVO+B D5 BU5 SW5 DET BU DC-CN etc BU5 PAN5V WIRED REMOTE RESET IC IC8 ILLUMI+B CN RESET ENC

8、ODER ROTARY REMOTE ILLUMI KEY MATRIX KEY VFD IC1 SW5 IC6 IC2 J1 +B ILLUMI ILLUMI+B AM+B S1 ED1 CN4,J5 MUTE Q705 J4 J2 A1 SERVO+B A8V Q302 BU5 1/2W Rx5 Q301 BU5 BU5 Q901-903 DME1 BU5 SW5 CD SERVO SW5 IC CN3 to GND S3 J1 SW5 AM+B A8V TUNER FRONT-END ANT. DECODER RDS IC7 SW5 ANALOG SW IC9 E2PROMSW5 BU

9、MECHA CD CONT SW Q401 A8VA8V PRE-OUT MUTE BU5 SW5 DSI F-AUX J2 PANEL DET Rx3 1/2W IC1 BU5 SW5 SW14V FL+B IC4 POWER SUPPLY IC FL+B J3 BU5 IC10 VFD DRIVER Q8,9 Q7 ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) RadioFans.CN 收音机爱 好者资料库 3 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y

10、 VREF 8EJE-SW 12EJE-SW LOS-SW LOE-SW MOTOR LO/EJ A.GND A8V A,B,C,E,F TR OUT FO OUT DM OUT FM OUT A3.3V LD SIGNAL S.GND S7.5V FO OUT TR OUT DM OUT FM OUT DRV MUTE SO SRAMSTB SI BUCK CCE PIO0 R246,247 SRAMSTB BUCK CCE PIO0 SO SI MRSTMRST C88,R82 C87,R83 R-ch L-chL-ch R-ch ZDETMUTE L/R D.GND D GND BU1.

11、5V SW1.5V SW3.3V AGND BU5V P.ON EF A C B TR COIL FO COIL APC IC4 16.934MHz CLOCK IC3 3.3V REG IC7 LOADING & MOTOR DRIVER MOTOR SPINDLE S2 S4 S1 S3 (0-01) SLED MOTOR DM1 DM2 X1 Q1 RF AMP SERVO MP3 DECODER WMA DECODER 1M bit SRAM PROCESSOR AAC DECODER + + + + + LEVEL SHIFT Q11 SHIFT LEVEL Q12 LEVEL SH

12、IFT SHIFT LEVEL Q10 CR FILTER CR FILTER REVERSAL CIRCUIT Q13 BU1.5V REG IC5 IC6 IC11 SW3.3V REG SW1.5V REG ONLY LOADING & DPU1 CD PLAYER UNIT (X32-597x-xx) BOARD MOTHER (X34- ) BLOCK DIAGRAM RadioFans.CN 收音机爱 好者资料库 4 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y ELECTRIC UN

13、IT (X34-467x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1System -COMControls FM/AM tuner, the changer, CD mechanism, panel, volume and tone. IC2,3E-VOLControls the source, volume and tone. IC4Power Supply ICOutputs 5Vx2, 8.1Vx2, 10.2V, P-CON and P-ANT. IC6Power ICAmpli

14、fies the front L/R and the rear L/R to 50W or 45W maximum. IC7RDS ICRDS decoder. IC8Reset ICLo when detection voltage goes below 3.6V. IC9Analog SWMultiplex triple 2-channel analog SW. Q1SW14VON when the base goes Hi. Q2Servo+B AVRWhen Q3s base goes Hi, Servo+B AVR outputs 7.5V. Q3Control SW for Ser

15、vo+BON when the base goes Hi. Q7VFD+B SWON when the base goes Hi. Q8VFD+B AVRWhen Q9s base goes Hi, Servo+B AVR outputs 10.5V. Q9Control SW for VFD+BON when the base goes Hi. Q101ACC DETON when the base goes Hi during ACC is applied. Q102Serge DETWhen the base goes Hi, surge voltage is detected. Q10

16、3BU DETON when the base goes Hi during BU is applied. Q104,105Mute ControlON when the base goes Hi. Q301Panel 5V SWON when the base goes Lo. Q302DSI ILLUMI SWON when the base goes Hi. Q401IC9 Control SWSwitches to AUX when the base goes Hi, and switches to LX-BUS (CD-CH) when the base goes Lo. Q402Q

17、uick Charge Voltage SWCharges voltage quickly when the base goes Hi. Q701,702Pre-out Mute SWWhen a base of the 4 transistors goes Hi, pre-out is muted. Q705Mute Driver for Pre-outON when the base goes Lo. Q901DC Offset DETON when the base goes Hi after Q902s and Q903s outputs are separated. Q902,903

18、DC Offset DET SWON when the bases go Lo after IC6s SP-OUTs (DC) are separated. SWITCH UNIT (X16-386x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1VFD Driver IC3Remote Control Sensor Q1GREEN LED SWON when the base goes Hi. Q2RED LED SWON when the base goes Hi. CD PLAYER

19、UNIT (X32-5970-00) Ref. No.Application / FunctionOperation / Condition / Compatibility IC34ch BTL Driver Driver for focusing & tracking coil, driver for sled & spindle motor, and operation for disc loading & ejection. IC4Servo DSP with built-in Audio DACWith built-in MP3/WMA/AAC decoder and 1M-bit-S

20、RAM. IC5D1.5V REG.Power supply for digital 1.5V. COMPONENTS DESCRIPTION 5 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Ref. No.Application / FunctionOperation / Condition / Compatibility IC6D3.3V REG.Power supply for digital 3.3V. IC7A3.3V REG.Power supply for audio 3.3V.

21、IC11BU1.5V REG.Power supply for back-up 1.5V. Q1APC (Auto Power Control)Drives LD (Laser Diode). Q10125V3.3V Level ShiftConverts signal from 5V to 3.3V, or from 3.3V to 5V. Q13InverterInverts ZDET signal. D1Level Down Lowers signal level by about 1.2V so that Lo level signal that turns the regulator

22、 ON/OFF surely becomes Lo judgment level of the regulator SW. D2Laser Diode ProtectionPrevents reverse bias which is applied to laser. Laser destruction prevention. D3,4Static Electricity CountermeasurePrevents malfunction by static electricity. SYSTEM -COM: IC1 on X34- (ELECTRIC UNIT) Pin No.Pin Na

23、meI/OApplication Truth Value Processing Operation Description Table 1LX DATA MI/OData to slave unitPull-down (GND) 2LX CLKI/OLX-BUS clock125k65kHz 35NC-Not usedOutput Lo fixed 6REMOIRemote control signal inputDetects pulse width 7NC-Not usedOutput L fixed 8BYTEIMemory extended bus width settingConne

24、cts to VSS 9CNVSS -Connects to VSS 10XCIN -32.768kHz 11XCOUT -32.768kHz 12RESET -L: Reset 13XOUT -10.0MHz 14VSS - 15XIN -10.0MHz 16VCC1 - 17NMIIConnects to VSS 18PANEL DETIPanel communication detectionH: Panel detached, L: Panel attached 19,20NC-Not usedOutput L fixed 21ROMCOR DETIE2PROM writing req

25、uestH: Writing 22,23NC-Not usedOutput L fixed MICROCOMPUTERS TERMINAL DESCRIPTION COMPONENTS DESCRIPTION 6 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 24PON FLOKey illumination power supply c

26、ontrolON: H, OFF: L 25NC-Not used 26PON PANELI/OPanel 5V control ON: L, Momentary power down/Panel detached : Hi-Z, 11 minutes after ACC OFF: Hi-Z 27NC-Not usedOutput L fixed 28PWIC BEEPOBeep output 29AUD SCLI/OE-VOL clock output 30AUD SDAI/OE-VOL data input/output 31VFD SYS DATAOVFD data output 32V

27、FD PAN DATAIVFD data input 33VFD CLKOVFD clock output125kHz 34VFD BLKOVFD data blanking output H: Reset cancelled, L: Reset, Momentary power down /Panel detached: L, 11 minutes after ACC OFF: L 35CD SIOCD mechanism serial output 36CD SOICD mechanism serial input 37CD CLKOSerial clock output1MHz 38CD

28、 LOS SWICD loading detection 39PIO0ICommunication request from mechanism DSPH: Data request 40CD SRAMSTBO1M-bit SRAM standbyH: SRAM standby 41EPMIFlash EPM inputConnects to VSS 42CD LOE LIM SWICD detection (Chucking SW)H: Loading completed, L: No disc 43PON CDOCD mechanism power supply controlH: Pow

29、er ON 44CD LOEJI/OCD motor controlqRefer to the truth value table 45CD MOTORI/OCD motor controlqRefer to the truth value table 46VFD CEOVFD control request 47CD DRIVEMUTEOMotor driver mute output 48CD CCEOCD mechanism chip enable 49CD DISC8 SWI8cm disc detectionPull-up (B.U.) 50CD MRSTOCD mechanism

30、-com resetH: Normal, L: Reset 5153NC-Not usedOutput L fixed 54CD MUTEICD mute requestL: Mute request 55CD DISC12 SWI12cm disc detectionPull-up (B.U.) 56ROTARY CCWIVOL key inputDetects pulse width 57ROTARY CWIVOL key inputDetects pulse width 58NC-Not usedOutput L fixed 59DSII/ODSI controlOFF: Hi-z, P

31、anel detached: Pulse drives, ON: H 60RDS DATAIRDS decoder data input 61RDS QUALIRDS decoder QUAL input 62VCC2- MICROCOMPUTERS TERMINAL DESCRIPTION 7 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Tabl

32、e 63NC-Not usedOutput L fixed 64VSS- 65RDS AFS MI/ONoise detection time constant switchingwRefer to the truth value table 66TUN IFC OUTIFront-end IFC-OUT inputH: Station found, L: No station 67PON EXT GNDI/OIC2 external input quick charge control L: OFF, Hi-Z: Quick charge, When IC2 is in source sel

33、ect: Hi-Z, Mute L: L, Momentary power down/Power OFF: L 68MUTEI/OMuteL: Mute OFF, Hi-Z: Mute ON 69ANALOG CONOAUX/LX audio switching AUX: H (Switches after 100ms after first-out mute begins to work), LX/Other source: L 70LX RSTOForced reset to slave unitH: Reset, L: Normal 71LX CONOStart-up request t

34、o slave unitH: Slave unit ON, L: Slave unit OFF 72LX MUTEIMute request from slave unitH: Mute ON, L: Mute OFF 73LX REQ MOCommunication request to slave unit 74RDS CLKIRDS decoder clock input 75LX REQ SICommunication request from slave unitPull-down (GND) 76PWIC SVROSVR discharging circuit During 500

35、ms after momentary power down: H, Since then: L 77PWIC STBYOPower IC standby controlPower ON: H, Power OFF: L 78PWIC MUTEOPower IC mute STANDBY source/Momentary power down: L, TEL mute: L 79ACC DETIACC power supply detectionACC found: L, No ACC: H BU found: L, No BU/Momentary power down: H 80BU DETI

36、Detection of momentary power down(Operates after less than 4ms after momentary power down is detected) 81,82NCONot usedOutput L fixed 83RDS NOISEIFM noise detection 84TUN SMETERIS-meter input 85TYPE1IDestination switchingeRefer to the truth value table 86TYPE2IDestination switchingeRefer to the trut

37、h value table 87PWIC DC DETIDC offset detection If DC offset is found 20 times in 100ms with condition of over 1.0V, it will be judged as DC offset detected. 88LINE MUTEILine mute selectionTEL mute: Below 1V, NAVI mue: Over 2.5V 89OFFSET DETIPower IC offset detection 90PS2 2OPower supply IC controlr

38、Refer to the truth value table 91PS2 1OPower supply IC controlrRefer to the truth value table 92PS1 1OPower supply IC controlrRefer to the truth value table 93PS1 2OPower supply IC controlrRefer to the truth value table 94PS1 3OPower supply IC controlrRefer to the truth value table 95PON-Not usedPOW

39、ER ON: H, POWER OFF: L MICROCOMPUTERS TERMINAL DESCRIPTION 8 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Truth value table q CD motor control CD motorCD loading/eject StopLL LoadHL EjectHH BrakeHHi-z w AFS control RDS AFS MCondition AFS MIDLExcept AF search, seeking or tu

40、ner source AFS HIGHHi-ZNormal reception e Destination switching TYPE 2TYPE 1 Model (Pin 86)(Pin 85) 3.6V0VKDC-W3037AY/W3037GY/ W311AY/W311GY/W4037Y 3.6V1.2VKDC-W3537AY/W3537GY 3.6V2.4VKDC-W237AY/W237GY r Power supply IC (IC4) control SEL1 (Pin 10) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT LLLOFFOFFOFF LLHONOF

41、FOFF HLHONONOFF HHHONONON SEL2 (Pin 11) PS1-1PS2-2AUDIO/SW5AM LLOFFOFF HLONOFF HHONON Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 96AVSS- 97REF CONOVREF controlConnects to VREF 98VREF- 99AVCC- 100LX DATA SIData from slave unitPull-down (GND) MICROCOMPUTERS TERMIN

42、AL DESCRIPTION 9 KDC-W237AY/W237GY/W3037AY/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Example KeyDescription of displayDescription 5Disc EJECT times display EJCXXXXX Disc EJECT times display. MAX 65535 (times) 5While disc EJECT times is displayed, press and hold for 2 seconds or longer to clear d

43、isc 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 mode ProcedureNote Press and hold the 1 key and 3 key and reset.While “ ” is displayed, power can be turned ON for only 30 minutes. (KDC-W3537AY/W3537GY/W403

44、7Y only) All lamps blink when it is detected that the sub-clock resonator is disconnected. Do not display “CODE_OFF”, “CODE_ON” or “CODE_NG” when Power is ON. 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, e

45、ven 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 item

46、s in the MENU in STANDBY source in the above modes. Forced disc ejection is prohibited in the test mode. How to clear the test mode ProcedureNote Reset, momentary power down, ACC OFF, Power OFF, Panel detached.Clearing the test mode Test mode default condition DescriptionDefault values SourceSTANDBY

47、 DisplayDisplay lights are all turned on. Volume-10dB (“30” is displayed.) Bass BoostOFF CRSCOFF regardless of having/not having the switching function. AUXON System QNATURAL (FLAT) BeepSound on with a key pressed regardless of any settings. PreoutSub Woofer :. TEST MODE 10 KDC-W237AY/W237GY/W3037AY

48、/W3037GY/ W311AY/W311GY/W3537AY/W3537GY/W4037Y Special displays when all lights are on in STANDBY source KeyDescription of displayDescription CommonAll lights ON.All lights ON. 1Destination terminal TYPE : 11 “TYPE” indicates system -com (IC1) destination, and shows condition indicationreal-time con

49、dition of the destination terminal. Development ID condition 611A23 . 00 Development ID Version (system -com: IC1) indication 2Serial No. display 00000000 Serial No. is displayed (8 digits) 3Power ON time display PON0HXX 0050 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 display CDT0HXX 0050 is displayed for “XX”. When less than 1 hour, disp