Kenwood-RA150-rec-sm 维修电路原理图.pdf

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1、STEREO INTEGRATED AMPLIFIER/TUNERR-A100/A150/V300/V350SERVICE MANUAL 1997-9/B51-5369-00 (K/K) 3653Caution : No connection of ground line if disassemble the unit.Please connect the ground line on rear panel, PCBs, Chassis and some others.Illustration is R-V350.* Refer to parts list on page 41.ON/STAN

2、DBYPHONESINPUTTAPE 2(MONITOR)TA/NEWS/INFO.DISP.AUTO A.MEMO BANDPTYCLOCKMODETIMERVOICEACTIVATESETON/OFFSET 1SET 2VOICE ACTIVATETUNINGMODEMULTI CONTROLLEVELVOLUME CONTROLDOWNUPAV SURROUND RECEIVER R-V350 R D SEON+FRONTREARCENTER+RLRLCANTENNAAMFM 75GNDTAPE1/MDTAPE 2(MONITOR)LDVCRCDAUXINININRECPLAYRECRE

3、CPLAYMONITOROUTLDVCRREC OUTVCRPLAY INPLAYRLSYSTEMCONTROLVOICE ACTIVATESUB WOOFERPRE OUTVIDEOSPEAKERSAUDIOUNSWITCHED( 6-16 )Dressing panel(A21-1989-03)Panel *(A60-)Lock terminal board(E70-0053-05)Lock terminal board(E70-0046-05)Phono jack *(E63-)AC power cord *(E30-)Power cord busing(J42-0083-05)Mini

4、ature phone jack(E11-0283-05)Phono jackx3(E63-0139-15)Phono jack(E63-0138-15)AC outlet *(E03-)Metallic cabinet(A01-3457-01)Lock terminal board(E70-0052-05)Knob *(K29-)Phone jack(E11-0280-05)Knob(K29-6727-04)Front glass *(B10-)Indicator(B12-0311-04)Knob *(K29-)Miniature phone jack *(E11-)R-A100/V300(

5、k)1P 98.4.25 11:35 yW 2RadioFans.CN 收音机爱 好者资料库R-A100/A150/V300/V3502CONTENTS / ACCESSORIESContentsCONTENTS / ACCESSORIES .2EXTERNAL VIEW.3CIRCUIT DESCRIPTION.6ADJUSTMENT.10PC BOARD .12SCHEMATIC DIAGRAM .19EXPLODED VIEW .39PARTS LIST.41SPECIFICATIONS .53FM indoor antenna(1)(T90-0809-05) R-A100/R-V300

6、 : IYMCX type(T90-0810-05) R-A150/R-V300/V350 : EKPT typeAM loop antenna(1) (T90-0820-05)Loop antenna stand(1)(J19-3645-05)Cable tidy(2)(F07-1602-04)Graphical Remote Control unit(1) *(A70-1159-05) GRC-150 (R-V300 KP type)Battery cover (A09-0379-08)Batteries(R03/AAA) (4)Batteries(R6/AA) (2)(Except U.

7、S.A. and Canada)* Use to adapt the plug on the powercord to the shape of the walloutlet.(Accessory only for regionswhere use is necessary)ON/STANDBYMUTEVOLUMEENTERSetupDVD/6ch InputSound SpeakerC DSat.Tape1CableResetVCR1VCR2L DT VConfirmSet UpReturnInputSourceMain MenuTapeATapeBTape1LDTunerCDVCR2VCR

8、1TVSat.CableMicrophone(1)(W01-0935-05)*AC plug adapter (1)(E03-0115-05)Accessories (R-A100/A300/V300/V350)Remote control unit(1) *(A70-1136-05) RC-S0504 (R-V350)(A70-1150-05) RC-S0503 (R-V300) IYMCX typeBattery cover (A09-0378-08)(A70-1149-05) RC-S0300 (R-A100/A150)Battery cover (A09-0357-08)R-A100/

9、V300(k)1P 98.4.25 11:35 yW 3RadioFans.CN 收音机爱 好者资料库R-A100/A150/V300/V3503EXTERNAL VIEWON/STANDBYPHONESINPUTTAPE 2(MONITOR)AUTO A.MEMO BANDCLOCKMODETIMERSETTUNINGMODEMULTI CONTROLLEVELVOLUME CONTROLDOWNUPAV SURROUND RECEIVER R-V300 +FRONTREARCENTER+RLRLCANTENNAAMFM 75GNDTAPE1/MDTAPE 2(MONITOR)LDVCRCD

10、AUXINININRECPLAYRECRECPLAYMONITOROUTLDVCRREC OUTVCRPLAY INPLAYRLSYSTEM CONTROLSUB WOOFERPRE OUT75sFM100kHzAM 10kHz50sFM50kHzAM 9kHzDE-EMPHASIS CHANNEL SPACEAC 220-240VAC 110-120VVIDEOSPEAKERSAUDIO( 6-16 )UNSWITCHEDDressing panel(A21-1983-03)Panel *(A60-)Lock terminal board(E70-0053-05)Lock terminal

11、board(E70-0046-05)Lock terminal board(E70-0052-05)Phono jack *(E63-)Slide switch(S62-0001-05)AC power cord *(E30-)Power cord busing(J42-0083-05)Miniature phone jack *(E11-)Phono jackx3(E63-0139-15)Phono jack(E63-0138-15)AC outlet *(E03-)Metallic cabinet(A01-3457-01)Knob *(K29-)Phone jack(E11-0282-05

12、)Knob(K29-6727-04)Front glass *(B10-2367-02)Indicator(B12-0311-04)Knob *(K29-)Illustration is R-V300.* Refer to parts list on page 41.Slide switch(S62-0034-05)R-A100/V300(k)1P 98.4.25 11:35 yW 6R-A100/A150/V300/V3504EXTERNAL VIEWON/STANDBYPHONESINPUTTAPE 2(MONITOR)CLOCKTIMERMODETIMERSETAUTO A.MEMOBA

13、NDTUNINGMODEMULTI CONTROLLEVELVOLUME CONTROLDOWNUPSTEREO RECEIVER R-A100SRSTAPE1/MDTAPE 2(MONITOR)LDVCRCDAUXINININRECPLAYRECRECAUDIOPLAYPLAYRLSYSTEM CONTROLSUBWOOFERPRE OUTANTENNAAMFM 75GND75sFM100kHzAM 10kHz50sFM50kHzAM 9kHzDE- EMPHASISCHANNELSPACE+SPEAKERS ( 6-16 )RLAC 220-240VAC 110-120VUNSWITCHE

14、DDressing panel(A21-1990-03)Panel (A60-1193-01)Lock terminal board(E70-0052-05)Phono jack *(E63-)Slide switch(S62-0001-05)AC power cord(E30-2592-15)Power cord busing(J42-0083-05)Miniature phone jack *(E11-)Phono jackx3(E63-0139-15)AC outlet *(E03-)Metallic cabinet(A01-3459-01)Knob(K29-6779-02)Knob(K

15、29-6780-02)Phone jack(E11-0280-05)Knob(K29-6660-04)Front glass *(B10-2385-02)Indicator(B12-0311-04)Knob(K27-6779-02)Illustration is R-A100.* Refer to parts list on page 41.Lock terminal board(E70-0053-05)Slide switch(S62-0034-05)R-A100/V300(k)1P 98.4.25 11:35 yW 7R-A100/A150/V300/V3505EXTERNAL VIEWO

16、N/STANDBYPHONESINPUTTAPE 2(MONITOR)ON/OFFSET 1SET 2AUTO A.MEMOBANDTUNINGMODEMULTI CONTROLLEVELVOLUME CONTROLDOWNUPSTEREO RECEIVER R-A150SRSVOICEACTIVATEVOICE ACTIVATECLOCKTIMERMODETIMERSETR D SEONTAPE1/MDTAPE 2(MONITOR)LDVCRCDAUXINININRECPLAYRECRECAUDIOPLAYPLAYRLSYSTEM CONTROLVOICEACTIVATESUBWOOFERP

17、RE OUTANTENNAAMFM 75GND+SPEAKERS ( 6-16 )RLUNSWITCHEDDressing panel(A21-1984-03)Panel (A60-1194-01)Phono jack *(E63-)AC power cord *(E30-)Power cord busing(J42-0083-05)Phono jackx3(E63-0139-15)Lock terminal board(E70-0053-05)AC outlet *(E03-)Metallic cabinet(A01-3459-01)Lock terminal board(E70-0052-

18、05)Knob(K27-6661-02)Knob(K29-6662-02)Phone jack(E11-0280-05)Knob(K29-6660-04)Front glass(B10-2347-02)Indicator(B12-0311-04)Knob(K27-6661-02)Illustration is R-A150.* Refer to parts list on page 41.Miniature phone jack *(E11-)R-A100/V300(k)1P 98.4.25 11:35 yW 10R-A100/A150/V300/V3506CIRCUIT DESCRIPTIO

19、N1. Back up data and initial dataPOWER ON/OFF: OFFMAIN VOLUME LEVEL: -65dBAUDIO INPUT SELECTOR: TUNERVIDEO INPUT SELECTOR(R-V300/V350): VCRTAPE1/MD: TAPE1TAPE2/MONITOR: OFFFL DISPLAY MODE: SELECTORSOURCE DIRECT(R-V300/V350): OFFSURROUND(R-V300/350): STEREODSP MODE(R-V300/V350): ARENASPEAKER CH.LEVEL

20、(R-V300/V350): 0dBBALANCE: CENTERDELAY(R-V300/V350): 20msEFFECT LEVEL(R-V300/V350): 3TONE BASS: 0dBTONE TREBLE: 0dBINPUT LEVEL: 0dBSRS 3D(R-A100/A150): OFFSRS 3D LEVEL(R-A100/A150): LEVEL 0TUNING MODE(AUTO/MONO): AUTOPRESET MEMORY(40ch): TEST PRESET FREQUENCYLAST BAND: FMFM LAST FREQUENCY: 87.5MHzAM

21、(MW) LAST FREQUENCY: 531kHz (CH.SP 9kHz): 530kHz (CH.SP10kHz) LW LAST FREQUENCY: 153kHzLAST P.ch: -chRDS DISPLAY MODE(R-A150/V300): FREQUENCY DISPLAYTA/NEWS/INFO.(R-A150/V300): OFFCLOCK DISPLAY: AM 12:00TIMER: OFFSLEEP TIMER: OFFVOICE ACTIVATE KEY WORD: NON SPECIFIC SPEAKER(RD:KENWOOD)VOICE ACTIVATE

22、: ON2. Main microprocessor uPD780206GF025 (X14-, IC1) MIYCX typeuPD780206GF027 (X14-, IC1) KPTE type2-1 Microprocessor periphery block diagramREMOCONu-COMPLL ICRDS DEMO. ICELECTRIC VOL.TONE CONT.+10dB ATT.MUTEVOICE ACTIVATION(X05) IC2(X14) IC52 (E,T type only)(X09) IC4, IC5(X08) Q1,2,58,15(X05) Q68(

23、X14) IC51(E,T type only)SERIALCOMMUNICATIONROTARY ENCODER(VOLUME CONTROL)DELAY ICDSP ICAUDIO SELECTORVIDEO SELECTORKEY MATRIX(X14) S28, S29(X09) IC2(X09) IC3(X09) IC1, IC301(X09) IC1FL DISPLAY(X14) ED1(X14)SP. RELAYPROTECTIONPOWER CHIP ENABLEPHONES DETECTRESONATOR(X1. MAIN)XTAL RESONATOR (X2. TIMMER

24、)RESETu-COMuPD780206GF025uPD780206GF027KEYSCANKEYRETURNVOICE INPUTPOWER ONACTIVE VOICE ONVOICESET 1VOICESET 2R-A100/V300(k)1P 98.4.25 11:35 yW 11R-A100/A150/V300/V3507CIRCUIT DESCRIPTION2-2 Key matrixDSW1DSW4 : Tuner distinationDSW5 : R-A100/A150 or R-V300/V350 Model distinationPTY,TA / NEWS / INFO

25、/ DISPLAY(RDS) : RDS function model (R-V350/A150)( ) : R-V300 / V350 /A100 function : R-A150 (E,T type) function2 KR33 KR24 KR15 KR073 KS074 KS1TUNING %DISPLAY(RDS)PTYTA/NEWS/INFO75 KS2(MULTI MODE)(MULTI LEVELfi)(MULTI LEVEL%) CLOCK TIMER MODE TIMER SET76 KS3TUNING fiAUTO MEMORYBANDAUTO77 KS4(VOICE

26、ON/OFF)(TIMER SET)INPUT INPUT #78 KS5(CLOCK SET)(TIMER MODE)ON/STANDBYTAPE2(MONITOR) VOICE ON/OFFKS681 KS7DSW1(D29)DSW2(D30)DSW3(D31)DSW482 KS8DSW5(D34)2-3 Pin descriptionNo.NameI/ODescription1VddIPower supply(+5V)2-5KR3-0IKey return 3-06,7,ENC_VOL1,2IEncoder pulse detect1,28HP_DETIHeadphone detect

27、L: Yes9CEIChip enable L: Enable10RESETIMicroprocessor reset L: Reset11,12X1,2IClock generator13IC(Vpp)-Connect to Vss14,15XT1,2-Sub clock generator16Vdd-Power supply(+5V)17HP_MUTEOMute of headphones18PROTECTIONIProtection detection19SBUSYI/OSerial data busy20SDATAI/OSerial data21DSP_CLKOClock for DS

28、P22DSP_DATAOData for DSP23DSP_STOStrobe for DSP24MUTEOMute control L: Mute ON25Avss-GND of A/D converter26PLL_DOOPLL DO27PLL_CEOChip enable for PLL28PLL_DATAOData detection for PLL29PLL_CLKOClock for PLL30T_MUTEOMute for tuner L: Mute ON31STEREOIStereo signal detection L: Stereo32SDISynchro signal d

29、etection L: SD detection33RDS_SLEVELISignal level of RDS34Avdd-Analog power supply for A/D converter35Avref-Reference voltage for A/D converter36RDS_CLKIClock for RDS37RDS_DATAIData for RDS38N.C.INo used39REMOCON_INIInput port of remote control signal40Vss-GNDR-A100/V300(k)1P 98.4.25 11:35 yW 14R-A1

30、00/A150/V300/V3508CIRCUIT DESCRIPTIONNo.NameI/ODescription41+10dB_ATTO+10Db attenuator L: ATT ON42VOL_DATAI/OElectric volume control data43TAPOLO-HI tap change-over R-V300/V350VCR_RECOVCR REC change-over R-A100/A15044,45N.C.INo used46Vdd-Power supply(+5V)47,48N.C.INo used49CS_RELAYOCenter and surrou

31、nd speaker relay control L: C,Sch OFF R-V300/V350INPUT LEVEL O Input level change-over H: 0dB R-A100/A15050F_RELAYOFront speaker relay control L: L,Rch OFF51TC9215OVidual selector change-over R-V300/V350TAPE1_RECOTAPE! REC change-over R-A100/A15052VOICE_CTRLOVoice activation / Standby LED53SEL_STB1O

32、Strobe signal for selector IC54SEL_DATAOData signal for selector IC55SEL_CLKOClock signal for selector IC56VOICEIInput port of voice activation57VOL_CLKOClock signal for electric volume58,59N.C.INo used60REM_REWRREQORewrite request signal of interlocution remocon data61REM_RWRIRewrite in signal of i

33、nterlocution remocon data62REM_RERENITransmit signal of interlocution remocon data L: Transmission63-70INP 0-7ORemote control data bits 0-771VSEL1OVidual selector72POWEROPower relay control73-78SEG11-16ODisplay segment control 11-16 / Key scan 0-579Vload-Connect to PLL down resistor80SEG10ODisplay s

34、egment control 1081SEG9ODisplay segment control 9 / Key scan 7 8Tuner destination)82SEG8ODisplay segment control 8 / Key scan 8 (Model discrimination)83-89SEG1-7ODisplay segment control 1-790-100GRID1-11ODisplay grid control 1-11Diode SW(DSWx) 0=No diode (Static mode,LOW)1=Diode (Static mode,HIGH)X=

35、Transistor SW (0=OFF / 1=ON)2-5 MODEL DISTINATIONMODELDIODE SW(X14)D34R-V300/V3500R-A100/A1501DestinationBandFrequency RangeChannelSpaceIFPLLFrequencyDiode SW (X14-)DSW3DSW2(D31)DSW1(D30)DSW0(D29)K1(1700)FM87.5MHz108.0HMz100kHz+10.7MHz50kHz0000AM530kHz1700kHz10kHz+450kHz10kHzK2(1610)FM87.5MHz108.0HM

36、z100kHz+10.7MHz25kHz0001AM530kHz1610kHz10kHz+460kHz10kHzE1FM87.5MHz108.0HMz50kHz+10.7MHz25kHz0011AM531kHz1602kHz9kHz+450kHz9kHzE3(RDS)FM87.5MHz108.0HMz50kHz+10.7MHz25kHz0101AM531kHz1602kHz9kHz+450kHz9kHzE4(LW)(RDS)FM87.5MHz108.0HMz50kHz+10.7MHz25kHz0110MW531kHz1602kHz9kHz+450kHz9kHzLW153kHz279kHz9kH

37、z+450kHz9kHzMK2 / E1 change only setting DSW1 (DSW1=0:K2/1:E1)00(Q5,D33)12-4 DESTINATION LIST OF TUNERR-A100/V300(k)1P 98.4.25 11:35 yW 15No.OPERATIONTUNER MODEEXCEPT TUNERREMARKSKEYS1INPUT87.50CDLDVCRTAPE1AUX2MULTI.01023940CONTROLLEVELELLCHANGES THE PRESET CH.01 THROUGH 403TIMER SETPRO LOGIC3 STERE

38、OR-V300/V350TEST TONE ON/OFF (PRESS AUTO KEY)PRO LOGIC ONOFFR-A100/A1504TIMER MODEARENJAZZ CLUBSTADIUMR-V300/V350DSP ONOFFR-A100/A1505CLOCKSTEREO ONOFFR-A100/A1506A.MEMOFL DISPLAY ONOFFSRS ONOFFR-A100/A1507AUTOAUTO ONOFFTEST LchTEST CchTEST RchTEST SchR-V300/V350S.DIRECT ONS.DIRECT ON / MUTE ONOFFR-

39、A100/A1508MULTI.CONTROLMODEBASS 0dBTREBLE 0dBL/R, BALANCEINPUT 0dB9PTYINPUT SELECTOROFF.S-LEVELON.S-LEVELR-V350(E/T)TAPE2TUNER MODE ONLYR-A150(E/T)10DISPLAYTIMER NO PS01 87.50E,T type only11TA/NEWS/INFO.TANEWSINFOOFFChange the segment cyclicallyR-A100/A150/V300/V3509CIRCUIT DESCRIPTIONKEYMODEMULTI.

40、CONTROLTUNINGBANDLEVELDOWN / UP EXCEPTR-A100/A150VOLUME-89dB0dB-40dBSP MIN.MAX0dBDELAY 153020EFFECT 153L/R,BALANCEDOWNUPLMINRMAXCENTERTONEMINMAXFLATINPUT-6dB0dB-6dB0dB0dB3. Test modeSetting:While pressing the INPUT key, plug the AC power cord into the AC wall outlet.All the fluorescent display indic

41、ates. (The all-illuminated state is cleared by pressing any main unit keys.Cancelling:Plug the AC power cord out from the AC wall outlet.DISPLAYDESCRIPTIONERR1Main u-COM sub clock no outputERR2Main u-COM sub clock frequency NG3-2 Error message3-1 Contents of the test modeR-A100/V300(k)1P 98.4.25 11:

42、36 yW 18R-A100/A150/V300/V35010ADJUSTMENTNo.ITEMINPUTSETTINGOUTPUTSELECTORTUNER/AMPSETTINGALIGNMENTPOINTSALIGN FORFIG.FM SECTION SELECTOR : FM1DISCRIMINATORL31L32(E, T only)(A)98.0MHz1kHz, 40kHz dev(E, T type)60dBu (ANT INPUT)Connect a DCvoltmeter betweenport of CN2AUTO98.0MHzL31 (X05-)0V(a)(B)L32 (

43、X05-)Minimumdistrotion2DISTORTION(STEREO)(C)98.0MHz1kHz, 40kHz devpilot: 6kHz dev60dBu (ANT INPUT)(B)AUTO(98.0MHz)IFT (W02-)Mininumdistrotion(a)AUDIO SECTION R-A100/A150 ONLY1B CLASSIDLE CURRENTConnect a DCvoltmeterVolume: MinimumSelector: any modes other than TUNERCN31 : LchCN32 : Rch13mV(b)TAPE1/M

44、DTAPE 2(MONITOR)LDVCRCDAUXINININRECPLAYRECRECAUDIOPLAYPLAYRLSYSTEM CONTROLSUBWOOFERPRE OUTANTENNAAMFM 75GND75sFM100kHzAM 10kHz50sFM50kHzAM 9kHzDE- EMPHASISCHANNELSPACE+SPEAKERS ( 6-16 )RLAC 220-240VAC 110-120VUNSWITCHEDOscilloscopeDistortion meterAC voltmeterDummy antenna(B)(A)(C)(D)AGAGFM SGMPXAGFM

45、 SGAM SG(a)(b)DC Voltmeter13mVCN31(L)CN32(R)12+-R-A100/V300(k)1P 98.4.25 11:36 yW 19R-A100/A150/V300/V35011PARTS DESCRIPTIONSR-A100/V300(k)1P 98.4.25 11:36 yW 2212ABDCE2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)R-A100/V300(k)1P 98.4.2

46、5 11:37 yW 23FHJLNGIKMO2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)1314R-A100(K) PCB/SD 2P 98.4.25 10:43 y W 2PQSUWYRTVX2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)1516R-

47、A100(K) PCB/SD 2P 98.4.25 10:42 y W 1ZABADAFAHAAACAEAGAI2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)1718R-A100(K) PCB/SD 2P 98.4.25 10:46 y W 4ABDFHJCEGI2135746()()X18R27 10KPHASE DETECTORCHARGE PUMPDATA SHIFT REGISTER LATCH470PR21 1K3

48、C2B I/FC377.2MHzX1C38C3627P22P3CE2NC1X IN5CL4DIR22 1KR23 1KR20 1K6DO87BO154291011REFERENCEDIVIDER12bitSWALLOW COUNTERPROGRAMMABLE12DIVIDER1/16, 1/17 4bitC3147u10C320.0122X OUT20AOUT21VSS+R701KC2819AIN0.022C292.2u50C30100u16+5.6KR241uHL3330270 1/4WS-CURVEUNIVERSALCOUNTERDETECTORUNLOCKR321.2K12KR331/4

49、W100PC33PD17VDD1516FM INC34AM IN1/4WL4+R261uH560R301314NC1000PC35121000PIF INR29R2810K1K1KR25100R31 10KR8 330R2100R443.3KR1CF1C2680C1330R40.01R510R30.01CF2C9 10u16C10 0.047+R47 15K21FMIFDETDETLEVELFM270 1WR4110u16+C250.1L23C20546REGFMIFAM/BUFFGNDDRIVETUNINGAMIFCOMPCF310.7MHz82707R17C51000P910AMFMAMD

50、ETFMSWAM/VCC8.2KC6322PC23 1u50+R193KR18+2.2u50C11 1u5011C12+47KR4812PHASE DETFFVCODRIVEFFTRIGFFDETPILOT1000P22C27+1u50L1+C2647u16R42220R43R4510KR46100K0.01C8TUNER61004PC65247.5KR14R401KBUFFALCAMOSC2322PC151u50C14+C13AMRF.AMPAMMIX21AGC201910u16C16R13 47K+R7C1718MUTE17C194.7u251647K5600P1000PC18X2456k