Kenwood-KDC-136-Service-Manual 电路图 维修手册.pdf

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1、 2006-12 PRINTED IN JAPAN B53-0478-00 (N) 584 CD RECEIVER KDC-135/135CR KDC-136 SERVICE MANUAL * Depends on the model. Refer to the parts list. Panel assy KDC-135 (A64-4040-12) Panel assy KDC-135CR (A64-4041-12) SPARE TDF PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-135Y33-2630-64TDF-71D KDC-135CRY

2、33-2630-65TDF-71DCR KDC-136Y33-2640-64TDF-136 Panel assy KDC-136 (A64-4039-02) * Carrying case (W01-1692-05) Mounting hardware assy (J21-9716-03) Lever (D10-4589-04) x2 DC cord (E30-6415-15) Screw set (N99-1757-05) * Escutcheon (B07-xxxx-xx) * Plastic cabinet assy (A02-2736-03) Screw (4x16) (N84-401

3、6-48) KDC-135 AUTOAME AM SCANRDMREP FM CLK SW VOL ATT AUD SET UP MENU B.BOOST KDC-135CR AUTOAME AM SCANRDMREP FM CLK VOL ATT AUD SET UP MENU B.BOOST KDC-136 AUTOAME AM SCANRDMREP FM CLK SW VOL ATT AUD SET UP MENU B.BOOST This product uses Lead Free solder. RadioFans.CN 收音机爱 好者资料库 KDC-135/135CR/136 2

4、 BLOCK DIAGRAM ELECTRIC UNIT (X34- ) SWITCH UNIT (X16- ) E-VOL IC2 or IC3 A8V SYSTEM u-COM BU POWER DC-DET Q701,702 PRE-OUT PHONE ACC-DET Q101 SURGE- Q103 BU-DET Q102 SW14V Q1 Q2 DC-CN A8V SERVO+B D5 BU5 SW5 DET DC-CN etc BU5 PAN5V RESET IC IC8 ILLUMI+B CN RESET ENCODER ROTARY REMOTE ILLUMI KEY MATR

5、IX KEY LED IC1 SW5 IC6 IC2 J1 AM+B S1 ED1 J5 MUTE Q705 J2 A1 SERVO+B A8V Q302 BU5 Q301 BU5 BU5 Q901-903 DME1 BU5 SW5 CD SERVO SW5 IC to GND S3 J1 SW5 AM+B A8V TUNER FRONT-END ANT. E2PROMSW5 BU MECHA CD PRE-OUT MUTE BU5 SW5 DSI F-AUX J2 PANEL DET IC1 DRIVER BU5 SW5 FL+B IC4 POWER SUPPLY IC J3 BU5 LCD

6、 IC10 2 16 1 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 10 BU DET 11 3 MUTE 12 3 3 ROM CORRECTION (NOT USED) 1 REAR/SW 111 1 P-ANT P-CON B.U. ACC PHONE SP-OUT PS2-1 / PS2-2 PS1-1 / PS1-2 / PS1-3 R103 1 DPU1 CD PLAYER UNIT (X32-598x-xx) BOARD (X34-

7、 ) MOTHER EF A C B TR COIL FO COIL APC IC1 16.93MHz CLOCK IC6 8V SW3.3V REG IC3 LOADING & RF AMP SERVO PROCESSOR MOTOR DRIVER MOTOR SPINDLE 3.3V REG IC2 S2 S4 S1 S3 + + ONLY SLED MOTOR DM1 DM2 Q1 X2 Q7 PROCESSOR MICRO 1 CHIP IC LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT Q3 Q3 Q4 (0-00),(0-01) ONLY SW Q2 SW

8、 Q8,9 3.3V SW Q6 SW (0-01),(0-03) ONLY (0-00),(0-01) X1 or VREF D.GND BU5V 8EJE-SW 12EJE-SW LOS-SW LOE/LIM-SW D.GND MOTOR LO/EJ S.GND D.GND D.GND S.GND A.GND AS8V R-ch L-ch S.GND DMUTE A,B,C,E,F VREF TR OUT FO OUT DM OUT FM OUT TVD,SPL FOD,TRD, DATA CLK MSTOP RST MUTE MUTE CLK DATA MSTOP MRST D.GND

9、S7V AVDD REGVDD P-ON1 IOVDD RadioFans.CN 收音机爱 好者资料库 KDC-135/135CR/136 3 ELECTRIC UNIT (X34-469x-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 ton

10、e. IC4Power Supply ICOutputs 5Vx2, 8.1Vx2, 10.2V, P-CON and P-ANT. IC6Power ICAmplifies the front L/R and the rear L/R to 50W or 45W maximum. IC8Reset ICLo when detection voltage goes below 3.6V. Q1SW14VON when the base goes Hi. Q2Servo+B AVRWhen Q3s base goes Hi, Servo+B AVR outputs 7.5V. Q3Control

11、 SW for Servo+BON when the base goes Hi. Q4Control SW for IC4ON when the base goes Hi, 10.3V is output. Q101ACC DETON when the base goes Hi during ACC is applied. Q102Serge DETWhen the base goes Hi, surge voltage is detected. Q103BU DETON when the base goes Hi during BU is applied. Q104,105Mute Cont

12、rolON when the base goes Hi. Q301Panel 5V SWON when the base goes Lo. Q302DSI ILLUMI SWON when the base goes Hi. Q402Quick 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

13、when the base goes Lo. Q901DC Offset DETON when the base goes Hi after Q902s and Q903s outputs are separated. Q902,903DC Offset DET SWON when the bases go Lo after IC6s SP-OUTs (DC) are separated. SWITCH UNIT (X16-388x-xx) Ref. No.Application / FunctionOperation / Condition / Compatibility IC1LCD Dr

14、iver IC2Remote Control Sensor Q1Key Scan Start SWON when the base goes Lo. CD PLAYER UNIT (X32-5980-00) Ref. No.Application / FunctionOperation / Condition / Compatibility Focusing, tracking, sled and spindle servo processing. Automatic adjustment (focusing, tracking, gain, offset and balance) opera

15、tions. CD Signal ProcessorDigital signal processing (DSP, PLL, sub-codes, CIRC error correction, audio data IC1 & MECHA -COMinterpolation processing) operations, and microcomputer function. RF Amplifier respondingGeneration of RF signal based on the signals from the APC circuit and the laser pick-up

16、, to CD-RWand generation of servo error (focusing error and tracking error) signals. Detection of dropout, anti-shock, track crossing and off-tracking conditions, included gain control function during CD-RW. IC23.3V REGSupplies 3.3V to IC1 and the laser pick-up. IC33.3V REGSupplies 3.3V to IC1 and a

17、udio circuit. COMPONENTS DESCRIPTION RadioFans.CN 收音机爱 好者资料库 KDC-135/135CR/136 4 Ref. No.Application / FunctionOperation / Condition / Compatibility IC64ch BTL DriverFocusing and tracking coil, sled and spindle motor driver, disc loading and eject operation. Q1A8V SWQ1 is ON when Q2 is ON. Q2Q1 SWQ2

18、 is ON when Q6 is ON. Q35V-3.3V Level ShiftShifts 5V to 3.3V, or 3.3V to 5V. Q45V-3.3V Level ShiftShifts 3.3V to 5V. Q6BU3.3V SWQ6 is ON when Q8 or Q9 is ON. Q7APC (Auto Power Control)Drives LD (Laser Diode). Q8Power Supply ControlPower Supply Control from MECHA -COM. Q6 is ON when pin 63 (P_ON1) of

19、 IC1 is Hi. Q9Power Supply ControlPower Supply Control from system -COM. Q6 is ON when pin 125 (MSTOP) of IC1 is Hi. D1,25V Force Voltage Prevention5V Force Voltage Prevention from MECHA -COM side. D3Laser Diode ProtectionPrevents reverse bias which is applied to laser. Laser destruction prevention.

20、 D4Static Electricity CountermeasurePrevents malfunction by static electricity. COMPONENTS DESCRIPTION SYSTEM -COM: IC1 on X34- (ELECTRIC UNIT) Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 1LX DATA MI/OData to slave unitPull-down (GND) 2LX CLKI/OLX-BUS clock125k65

21、kHz 35NC-Not usedOutput Lo fixed 6REMOIRemote control signal inputDetects pulse width 7NC-Not usedOutput L fixed 8BYTEIMemory extended bus width settingConnects to VSS 9CNVSS -Connects to VSS 10XCIN -32.768kHz 11XCOUT -32.768kHz 12RESET -L: Reset 13XOUT -10.0MHz 14VSS - 15XIN -10.0MHz 16VCC1 - 17NMI

22、IConnects to VSS 18PANEL DETIPanel communication detectionH: Panel detached, L: Panel attached MICROCOMPUTERS TERMINAL DESCRIPTION KDC-135/135CR/136 5 Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 19,20NC-Not usedOutput L fixed 21ROMCOR DETIE2PROM writing requestH:

23、 Writing 22,23NC-Not usedOutput L fixed 24PON FLONot used 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/out

24、put 31VFD SYS DATAOVFD data output 32VFD 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 DATAI/OCD mechanism I2C data input/output 36CD CLKI/OCD mechani

25、sm I2C clock output 37NC-Not usedOutput L fixed 38CD LOS SWICD loading detection 39PIO0ICommunication request from mechanism DSPH: Data request 40CD MSTOPOCD mechanism -com stop H: Mechanism -com operates, L: Mechanism -com stops 41EPMIFlash EPM inputConnects to VSS 42CD LOE LIM SWICD detection (Chu

26、cking SW)H: Loading completed, L: No disc 43PON CDOCD mechanism power supply controlH: Power ON 44CD LOEJI/OCD motor controlqRefer to the truth value table 45CD MOTORI/OCD motor controlqRefer to the truth value table 46LCD CEOLCD control request 47CD DRIVEMUTEOMotor driver mute output 48CD CCEOCD me

27、chanism chip enable 49CD DISC8 SWI8cm disc detectionPull-up (B.U.) 50CD MRSTOCD mechanism -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 CWIVO

28、L key inputDetects pulse width 58NC-Not usedOutput L fixed MICROCOMPUTERS TERMINAL DESCRIPTION KDC-135/135CR/136 6 Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 59DSII/ODSI controlOFF: Hi-z, Panel detached: Pulse drives, ON: H 60RDS DATAIFor European model terminal

29、 61RDS QUALIFor European model terminal 62VCC2- 63NC-Not usedOutput L fixed 64VSS- 65RDS AFS MI/OFor European model terminal 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

30、select: 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 reques

31、t to 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 CLKIFor European model terminal 75LX REQ SICommunication request from slave unitPull-down (GND) 76PWIC SVROSVR discharging circuit Dur

32、ing 500ms 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 80

33、BU DETIDetection of momentary power down(Operates after less than 4ms after momentary power down is detected) 81,82NCONot usedOutput L fixed 83RDS NOISEIFor European model terminal 84TUN SMETERIS-meter input 85TYPE1IDestination switchingeRefer to the truth value table 86TYPE2IDestination switchingeR

34、efer to the truth 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 su

35、pply IC controlrRefer to the truth value table 91PS2 1OPower supply IC controlrRefer to the truth value table MICROCOMPUTERS TERMINAL DESCRIPTION KDC-135/135CR/136 7 Pin No.Pin NameI/OApplication Truth Value Processing Operation Description Table 92PS1 1OPower supply IC controlrRefer to the truth va

36、lue table 93PS1 2OPower supply IC controlrRefer to the truth value table 94PS1 3OPower supply IC controlrRefer to the truth value table 95PON-Not usedPOWER ON: H, POWER OFF: L 96AVSS- 97REF CONOVREF controlConnects to VREF 98VREF- 99AVCC- 100LX DATA SIData from slave unitPull-down (GND) MICROCOMPUTE

37、RS TERMINAL DESCRIPTION Truth value table q CD motor control CD motorCD loading/eject StopLL LoadHL EjectHH BrakeHHi-z e Destination switching TYPE 2TYPE 1 Model (Pin 86)(Pin 85) 0V0VKDC-135 0V2.4VKDC-135CR 1.2V0VKDC-136 r Power supply IC (IC4) control SEL1 (Pin 10) PS1-2PS1-3PS2-1ILLUMIP-CONP-ANT L

38、LLOFFOFFOFF LLHONOFFOFF HLHONONOFF HHHONONON SEL2 (Pin 11) PS1-1PS2-2AUDIO/SW5AM LLOFFOFF HLONOFF HHONON KDC-135/135CR/136 8 Example KeyDescription of displayDescription 5Disc EJECT times display EJCXXXXX Disc EJECT times display. MAX 65535 (times) 5While disc EJECT times is displayed, press and hol

39、d 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 mode ProcedureNote Press and hold the 1 key and 3 key and reset. All lamps blink when it is detected that the sub-clock r

40、esonator 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. Forced disc ejection is prohibited in the test m

41、ode. 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 DisplayDisplay lights are all turned on. Volume-10dB (“30” is displayed.) Bass BoostOFF CRSCOFF reg

42、ardless of having/not having the switching function. AUXON (Only model equipped with AUX) System QNATURAL (FLAT) BeepSound on with a key pressed regardless of any settings. PreoutSub Woofer TEST MODE KDC-135/135CR/136 9 Special displays when all lights are on in STANDBY source KeyDescription of disp

43、layDescription CommonAll lights ON.All lights ON. 1Destination terminal TP11 “TYPE” indicates system -com (IC1) destination, and shows condition indicationreal-time condition of the destination terminal. Development ID condition 3 : 00622K Development ID Version (system -com: IC1) indication 2Serial

44、 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 h

45、old for 2 seconds or longer to clear Power ON time. 4Disc operation time display PLy0HXX 0050 is displayed for “XX”. When less than 1 hour, displayed by increments of 10 minutes. PLyXXXXX 0000110922 is displayed for “XXXXX”. MAX 10922 (hours) 4While the disc operation time is displayed, press and ho

46、ld for 2 seconds or longer to clear the disc operation time. (Cleared only for displayed media.) 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 disc EJECT times. 6Panel open/close PC

47、XXXXX PANEL open/close times display. MAX 65535 (times) 6times displayPress 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 0123 The number is the ROM correction version number. display ER When E2PROM is n

48、ot installed. When not written in yet. oooo When data not matched. (due to the difference in versions) AMROM data transfer Audio data initialization nITI AUDIO setting value is re-set to the test mode default value. Forced Power OFF POFF No forced power OFF information display PPnLOFF Forced power O

49、FF by communication error between system -com and panel. While the forced power OFF data is displayed, press and hold for 2 seconds to clear the data. CD information displayFor the display contents, refer to “CD information display mode ON/OFFmode” in the next section. While in CD information display mode, press and hold for 2 seconds or longer to clear all CD information. TEST MODE KDC-135/135CR/136 10 CD information display mode KeyDescription of displayDescription FMI2C com- COKI I2C communication OK (forwardmunication rotation)status CERI I2C communication NG AM (rever