Kenwood-KDC-516-S-Service-Manual(2) 电路图 维修手册.pdf

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1、 2001-3 PRINTED IN JAPAN B51-7753-00 (N) 1736 CD RECEIVER KDC-5018/516S/57MR SERVICE MANUAL 47W 4X KDC-516S DAB 47W 4X KDC-5018 DAB 47W 4X KDC-57MR DAB DC CORD (E30-4940-05) : KDC-516S/57MR DC CORD (E30-4939-05) : KDC-5018BATTERY (SIZE: AAA) Not supplied as service parts SCREW SET (N99-1704-05) SCRE

2、W SET (N99-1700-05) STAY (J54-0606-04) LEVERx2 (D10-4562-04) ESCUTCHEON (B07-3010-02) REMOTE CONTROLLER ASSY (A70-0883-05) : KDC-5018 MOUNTING HARDWARE ASSY (J21-9641-13) PLASTIC CABINET ASSY (A02-1497-03) KDC-516S ESCUTCHEON ASSY (B07-3007-03) FRONT GLASS (B10-3267-01) PANEL ASSY (A64-2165-02) KDC-

3、57MR ESCUTCHEON ASSY (B07-3017-03) FRONT GLASS (B10-3268-01) PANEL ASSY (A64-2166-02) KDC-5018 ESCUTCHEON ASSY (B07-3007-03) FRONT GLASS (B10-3271-01) PANEL ASSY (A64-2169-02) The MECHANISM OPERATION DESCRIPTION is the same as model KDC-S3007 and KDC-5050RG. Please refer to the service manual for mo

4、del KDC-S3007(B51-7029-00) or KDC-5050RG(B51-7099-00). RadioFans.CN 收音机爱 好者资料库 KDC-5018/516S/57MR 2 BLOCK DIAGRAM PLL+B FM+B Q45,47 Q46,48 AM+B DIMMER DET. ACC BU DET. A8VA8V Q14,15 Q16,17 Q19-22 SERVO AVR Q18 SERVO+B SW5V Q13 Q55,56 Q33 Q11,12 SW5V BU5V BU5V P CON ANT-CON Q28,31 Q27,29 Q30,32 MUTE

5、IC3 Q7 DRIVER MUTE Q1,2,5,6 POWER IC IC4 u-COM CD CH F/E A1 E-VOL IC2 PRE OUT SP-OUT DIMMER ACC ANT-CONT P-CONT IC1 EX.AMP CONTROL ILLUM +B BUFFER NOISE Q43 PRE OUT OUTPUT VOLTAGE CONTROL EX.AMP Q25 Q26 Q34 (M) TYPE PANEL 5V PANEL 5V SW14V PANEL POSITION DET. CH QUAL SERVO+B MUTE R STOP SW2 LO/EJ MU

6、TE L RST SW3 SW1 SDA SCL A8V BU5V SW5V RST REQ C CLK CH-CON DATA H REQ H CD AM FM P MUTE MUTE SW5V PANEL5V ILL+B SRT-SW1 SRT-SW2 RDCK RDDA QUAL SDA SCL AFSAFS A8V PLL DATA PLL CLK IFC OUT S-METER DATA C BACK UP BU5V 600mV 3600mVCHANGER AM 1800mVFM 230mV 1200mV 1200mV 470mV AUDIO OUT FM+B NOISE 3600m

7、VCD LEVELMODEL MO SW RESET IC IC8 MATRIX KEY L DATAL L CE L CLK/PANEL DIMMER REMO RESET DRIVER MUTE LCD DRIVER IC1 IC2 Q5 Q3,4 ED1 SW RESET LCD (BACK LIGHT WLED) DIMMER PWM CONTROL REMO G/R SW LCD AVR PANEL 5V (X13- ) RadioFans.CN 收音机爱 好者资料库 KDC-5018/516S/57MR 3 COMPONENTS DESCRIPTION Ref.No.Compone

8、nt NameApplication/FunctionOperation/Condition/Compatibility IC1LC75808WLCD driver with the key matrix IC2RS-171Remote sensor IC Q1DTA114EUA or KRA302Key-permission SWFor the key scanning start Q52SC2412K or 2SD601AVLCD AVR Q6DTA114EUA or KRA302REMO SW While a base goes Lo, PAN 5V is supplied to the

9、 Remote sensor IC. Q7DTC143ZKDimmer SW Usually Q7s base goes Hi. When DIMMER mode is selected, pulse wave shape is applied to Q7s base. Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility IC1UPD703033GC057System MI-COM. IC2TDA7407DE.VOL & N.C.MPX IC IC3 HD74HC02FP or TC74HC02A

10、F Mute logic2-input NOR x 4 IC4TA8263BHPower AMP. IC IC8S-80837ANNPReset ICWhen BU 5V voltage is less than 3.7V, IC outputs Lo. Q1DTC143TUA or KRC410Pre mute (Front L)When Q1s base goes Hi, Pre-output is muted. Q2DTC143TUA or KRC410Pre mute (Front R)When Q2s base goes Hi, Pre-output is muted. Q5DTC1

11、43TUA or KRC410Pre mute (Rear L)When Q5s base goes Hi, Pre-output is muted. Q6DTC143TUA or KRC410Pre mute (Rear R)When Q6s base goes Hi, Pre-output is muted. When BU detection SW or System RESET or MI- Q7DTA124EUA or KRA303Mute driverCOM.s Pre-mute is working, a base goes Lo, and Q7 is turned on. Q1

12、12SC4081 or 2SD1819A BU 5V AVR While BACKUP is applied, AVR outputs +5V. Q122SB1548(P)Q11 and Q12 are inverted Darlington connection. Q132SA1576A or 2SB1218ASW 5V While a base goes Lo, SW 5V is supplied to the microprocessor peripheral circuits. Q142SC4081 or 2SD1819A A8V AVRWhen Q14s base goes Hi,

13、A8V AVR outputs 8V. Q152SB1548(P) Q16DTC124EUA or UN5212A8V AVR and SERVO +B AVR ON/OFF control Q17DTA124EUA or KRA303 SW14V SWWhile Q16s base goes Hi, Q17 is turned on, A8V AVR and SERVO +B AVR are working. Q182SD2375SERVO +B AVRWhen Q18s base goes Hi, SERVO +B AVR outputs 8V. Q19DTC124EUA or UN521

14、2ILL +B AVR ON/OFF control Q20DTA124EUA or KRA303 ILL +B SWWhile Q19s base goes Hi, Q20 is turned on, and ILL +B AVR is working. Q212SB1184While Q22s base goes Hi, AVR outputs +10.5V. Q222SC4081 or 2SD1819A ILL +B AVRWorks during POWER ON mode with a panel attached to the set. Q25DTA123JK or KRA105S

15、EXT. AMP CON. SWWhen a base goes Lo, Q25 is turned on. Q26DTC144EUA or UN5213Small lamp detection SWWhen vehicle small lamps turn on, Q26 is turned on . Q27DTC114YUA or UN5214 P-CON SW When Q27s base goes Hi, Q32 is turned on . Q322SB1277(Q,R)Works during POWER ON mode. GSWITCH UNIT (X13-9960-13) GE

16、LECTRIC UNIT (X25-8770-XX) RadioFans.CN 收音机爱 好者资料库 KDC-5018/516S/57MR 4 Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility Q29DTA124EUA or KRA303P-CON. protection inhibit SWPrevents Q30 tuning ON during start-up after power ON. Q302SA1576A or 2SB1218AP-CON. protection SWProte

17、ct Q32 by turning ON when P-CON output is grounded. Q28DTC114YUA or UN5214 ANT-CON. SW When Q28s base goes Hi, Q31 is turned on. Q312SB1277(Q,R)Works during TUNER mode. While BACKUP is applied, a base goes Hi, Q332SC4081 or 2SD1819ABU detection SWand Q33 is turned on. When momentary power down has d

18、etected, a base goes Lo, and Q33 is turned off. Q342SC4081 or 2SD1819AACC detection SWWhile ACC is applied, a base goes Hi, and Q34 is turned on. Q42DTC124EUA or UN5212E. VOL mute SW When BU detection SW or MI-COM.s mute is working, a base goes Hi, and Q42 is turned on. Q432SC4081 or 2SD1819ANoise b

19、uffer Q45DTC124EUA or UN5212 FM +B SW When Q45s base goes Hi, Q47 is turned on . Q472SB1277(Q,R)Works during FM reception mode. Q46DTC124EUA or UN5212 AM +B SW When Q46s base goes Hi, Q48 is turned on . Q482SB1277(Q,R)Works during AM reception mode. Q51DTC144EUA or UN5213IFC bufferWaveform shaping Q

20、552SA1576A or 2SB1218A PAN 5V SW While a panel is attached to the set, Q56s base goes Hi, Q56DTC124EUA or UN5212and Q55 is turned on. Ref.No.Component NameApplication/FunctionOperation/Condition/Compatibility Generation of RF signal based on the signals from the APC circuit and pickup, and generatio

21、n of servo error (focusing IC1AN22000AARF amplifiererror and tracking error) signals. Detection of dropout, anti-shock, track crossing and off-track conditions, Gain control function building in. IC2MN662774KG1CD signal processor bult-in MI-COM. IC4BA5917AFP4CH BTL driverFocusing coil, tracking coil

22、, spindle motor and sled motor driver IC6NJM4565MDOP Amp.Low pass filter Q1MCH6101APCLD power control Q2DTC124EUAP ON SW When CD source is selected, Q2s base goes Hi, Q3 and Q4 are turned on. Q3DTA143XUAA.8V SW A8V ON/OFF control. When a base goes Lo, Q3 is turnde on. Q42SA1362(Y)D.5V SW D5V ON/OFF

23、control. When a base goes Lo, Q4 is turnde on. Q5DTC124EUAMOTOR SW When CD loading or eject operation is activating, Q5s base goes Hi, Q4 is turned on. GCD PLAYER UNIT (X32-5010-00) COMPONENTS DESCRIPTION KDC-5018/516S/57MR 5 GIC1 (ELECTRIC UNIT : X25-8770-XX) MICROCOMPUTERS TERMINAL DESCRIPTION Pin

24、 No.Pin NameI/ODescriptionProcessing Operation 1AM+BOAM+B controlHi: During AM reception 2FM+BOFM+B controlHi: During FM reception 3AFSONoise detection time constant switching terminalHi: During FM reception, Lo: During FM seek or AF search 4PLL-DATAI/OData input/output with F/E 5PLL-CLKI/OClock inp

25、ut/output with F/E 6EVDD-Power supply connection terminalConnected to BU 5V lines. 7EVSS-Ground connection terminalConnected to GND lines. 8NCONot used(N.C.) 9BEEPOBEEP sound output 10REMOIData input from the remote control light sensor 11CH-REQHORequest output to changersLo: Request 12CH-RSTOReset

26、output to changers: Reset 13IC2-SDAI/OData line with IC2, IC5 and CD MECHA. MI-COM. 14IC2-CLKI/OClock line with IC2, IC5 and CD MECHA. MI-COM. 15CH-MUTEIMute request from changersHi: Mute request 16CH-CONOChanger controlHi: Operation mode, Lo: Standby mode 17DIMMER-CONODimmer control outputPulse wav

27、e shape: DIMMER mode, Hi: POWER ON 18TEST-Test terminalNot used (connected to GND lines) 19P-MUTEOPower IC mute control outputLo: Mute (POWER OFF, TEL MUTE) 20P-STBYOPower IC standby control output Hi: POWER ON mode except panel detached or panel mask position 21MUTEOIC2 mute control outputHi: Mute

28、on 22NCONot used(N.C.) 23PRE-MUTEOPre-outputs mute control outputLo: Mute 24ACC-DETIACC detection inputHi: ACC OFF, Lo: ACC ON 25DIMMERISmall lights detection inputLo: During vehicle small lamps turn on. 26SW5VOSW 5V control output Lo: POWER ON mode or during CD loading / eject action. Bass boost OF

29、F_Hi: 160msec, Lo: 40msec 27EXT-AMP-CONOExternal amp. control outputBass boost LOW_Hi: 130msec, Lo: 70msec Bass boost HI_ Hi: 100msec, Lo: 100msec 28P-CONOPower control outputHi: POWER ON mode except ALL OFF mode. 29ANT-CONOAntenna control outputHi: During FM/AM reception or TI reception. 30P-ONOSW

30、14V control output Hi: POWER ON mode or during CD loading / eject action 31RESETIReset input terminalLo: System reset 32XT1ISub clock resonator connection terminalClock count during POWER OFF mode 33XT2-Sub clock resonator connection terminal 34REGC-C terminal 35X2-Main clock resonator connection te

31、rminal Oscillation stop: POWER OFF mode or momentary power down detected 36X1IMain clock resonator connection terminal 37VSS-Ground connection terminalConnected to GND lines. 38VDD-Power supply connection terminalConnected to BU 5V lines. KDC-5018/516S/57MR 6 Pin No.Pin NameI/ODescriptionProcessing

32、Operation 39CLKOUTOInternal system clock outputNot used (N.C.) 40NCONot used (N.C.) 41NCONot used (N.C.) 42TYPE0IDestination type input terminal 0 43TYPE1IDestination type input terminal 1 44TYPE2IDestination type input terminal 2 45TYPE3IDestination type input terminal 3 46IC2TYPE0IIC2 setting term

33、inalLo: Initial value 47IC2TYPE1IIC2 setting terminalLo: Initial value 48NCONot used(N.C.) 49NCONot used(N.C.) 50NCONot used(N.C.) 51NCONot used(N.C.) 52ILL-ONOIllumination AVR on/off control output Hi: POWER ON mode except panel detached or panel mask position 53M-MUTE LIMute request (Lch) from CD

34、MECHA. MI-COM.Lo: Mute request 54M-MUTE RIMute request (Rch) from CD MECHA. MI-COM.Lo: Mute request 55BVDD-Power supply connection terminalConnected to BU 5V lines. 56BVSS-Ground connection terminalConnected to GND lines. 57M-RSTOReset output to CD MECHA. MI-COM.Lo: Reset 58M-STOPOStop request to CD

35、 MECHA. MI-COM.Lo: Stop mode, Hi: Operation mode 59NCONot used(N.C.) 60LO/EJI/OCD MECHA. loading/Eject switching outputLo: Loading, Hi: Eject, Hi-Z: Stop or Break 61MOSWOCD mechanism loading motor control outputHi: CD loading/ eject action or Break, Lo: other 62NCONot used(N.C.) 63CD-SW3IDown & limi

36、t switch detection inputHi: Chucking, Lo: Pickup most inner position 64NCONot used(N.C.) 65L-CEI/OCE output to LCD driver 66NCONot used(N.C.) 67NCONot used(N.C.) 68NCONot used(N.C.) 69NCONot used(N.C.) 70AVCONTOA/D converter reference voltage control outputHi: Active, Connected to AVREF terminal. 71

37、AVDD-A/D converter power supply connection terminalConnected to BU 5V lines. 72AVSS-A/D, D/A converter ground connection terminalConnected to GND lines. 73AVREFIA/D converter reference voltage input terminal 74PHONEIPHONE detection input1V or less: TEL MUTE, 2.5V or greater: NAVI MUTE 75NC(GND)INot

38、used(pull down to GND lines) 76NC(GND)INot used(pull down to GND lines) 77SRT-SW2ISRT position detection input Panel: (SW1, SW2)=(Hi, Hi) Slide: (SW1, SW2)=(Hi, Lo) 78SRT-SW1ISRT position detection inputMask : (SW1, SW2)=(Lo, Lo) 79NOISEIFM noise detection input 80S-METERIS-meter input from F/E 81R-

39、DATAIData input from the RDS decoder ICExcept RDS model: Not used (pull down to GND lines) MICROCOMPUTERS TERMINAL DESCRIPTION KDC-5018/516S/57MR 7 Pin No.Pin NameI/ODescriptionProcessing Operation 82R-QUALIQuality input from the RDS decoder ICExcept RDS model: Not used (pull down to GND lines) 83IF

40、C-OUTIF/E IFC OUT input terminalHi: Station detected, Lo: Not detected 84NC(GND)INot used (pull down to GND lines) 85NC(GND)INot used (pull down to GND lines) 86NCONot used (N.C.) 87R-CLKIClock input from the RDS decoder ICExcept RDS model: Not used (pull down to GND lines) 88CH-REQCIRequest input f

41、rom changersLo: Request 89KEY-REQICommunication request input form LCD driver IC 90CD-SW1ILoading detectionLo: CD chucking. 91CD-SW2I12cm disc detection terminal When 12cm disc was detected, the input becomes Lo temporarily. 92NCONot used(N.C.) 93BU-DETIMomentary power down detection input Hi : When

42、 momentary power down detected or BU OFF Lo : BU ON 94CH-DATACIData input from changers 95CH-DATAHOData output to changers 96CH-CLKI/OClock input/output with changers 97L-DATALIData input from the LCD driver IC 98L-DATASI/OData output to the LCD driver IC 99L-CLKI/O Clock output to the LCD driver IC

43、 / Panel detaching detection input(LCD Driver) Lo: Panel attached 100PAN5VOPanel 5V controlHi: Panel attached, Lo: Panel detached MICROCOMPUTERS TERMINAL DESCRIPTION / ATTENTION KDC-5018/516S/57MR 8 TEST MODE TEST MODE 1. How to enter the test mode While holding the FM and Preset 6 keys, reset the u

44、nit. 2. How to exit from the test mode While holding the Preset 6 key, reset the unit. (Note) The test mode cannot be terminated by ACC OFF, power OFF or momentary power down. 3. Initial status in the test mode Sources: ALL OFF Display: All segments are lit. Volume: -10 dB (displayed as 30) Loudness

45、: OFF CRSC: OFF regardless of the presence of switching function. SYSTEM Q: Flat LED : White for no scanning. (VLCD model) 4. Special display in Tuner mode When any of the following messages is displayed in Tuner mode, the F/E may be abnormal. TNE2P NG: The EEPROM is set to the default (unstable val

46、ues) because the F/E was shipped without passing through the adjustment process, etc. TNCON NG: Communication with the F/E is not possible. 5. Forced switching of K3I Each press of the Preset 6 key in Tuner mode should switch K3I from AUTO Forced Wide Forced Middle Forced Narrow AUTO. The initial st

47、atus is AUTO and the display shows these modes as follows. AUTO: FMA Forced Wide: FMW Forced Middle: FMM Forced Narrow: FMN 6. Test mode specifications of the CD receiver Forced ejection is inhibited in the reset start operation. When the unit is reset while a CD is loaded in it, the CD is not recog

48、nized by resetting. Each press of the Track Up key jumps to the following track numbers: No. 9 No. 15 No. 10 No. 11 No. 12 No. 13 No. 14 No. 9 (The cycle restarts from here.) Each press of the Track Down key jumps to the previ- ous track number to the track being played. 7. Audio-related specificati

49、ons A short press of the Q key initiates the audio adjustment mode. Pressing the key on the remote initiates the audio adjustment mode. Continuous holding of a remote control key is inhibited. Bass, Middle and Treble are adjusted in 3 steps of Min/Center/Max with the Track Up/Down keys. Balance is adjusted in 3 steps of Left Max/Center/Right Max with the Track Up/Down keys. Fader is adjusted in 3 steps of Rear Max/Center/Front Max with the Track Up/Down keys. HPF is adjusted in 2 steps of Through/220 Hz with the Track