Kenwood-KRFA4030S-rec-sm 维修电路原理图.pdf

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1、SPEAKERS+-+R+-+LLRBAFM75GNDAMANTENNAREC OUTPLAY INAUXMD / TAPE1TAPE2/MONITORPLAY IN REC OUT PLAY INPLAY INPHONOCDLRPhono jack(E63-0068-15)Miniature phone jack(E11-0293-05)Power cord bushing(J42-0083-05)AC power cord *(E30-)Lock terminal board(E70-0052-05)Phono jack(E63-0047-15)Phono jack *(E63-)Lock

2、 terminal board(E70-0047-05)AC outlet *(E03-)* Refer to parts list on page 21 .70%AUDIO RECEIVERAR-404/KRF-A4030/A4030E/A4030-SSERVICE MANUAL 2000-1/B51-5595-00 (K/K) 3174A SPEAKERS BSTANDBYPOWERMULTI CONTROLSOUNDSOURCE DIRECTAUTOBANDMEMORYINPUT SELECTORVOLUME CONTROLUPDOWNBALANCEPTYTA/NEWSDISPLAYPH

3、ONESON/STANDBYONOFFTAPE 2/MONITORIndicator(B12-0385-04)Knob *(K29-)Front glass *(B10-)Panel *(A60-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Knob *(K29-)Phone jack(E11-0127-05)Knob *(K27-)RadioFans.CN 收音机爱 好者资料库FM (T90-0836-05)(A70-1266-05): RC-R0709.KPMX(A70-1267-05): RC-R0708.E1E2E3indoor an

4、tenna AC plug adaptor (1)(E03-0115-05)(1)AM (T90-0852-05)loop antenna (1) Batteries (R06/AA) (2)*Use to adapt the plug on the powercord to the shape of the wall outlet.(Accessory only for regions where useis necessary.)Remote control unit (1)AR-404/KRF-A4030/A4030E/A4030-S2CONTENTS / ACCESSORIES / C

5、AUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2CIRCUIT DESCRIPTION.3ADJUSTMENT.6PC BOARD . 7SCHEMATIC DIAGRAM . 11EXPLODED VIEW .20PARTS LIST.21SPECIFICATIONS .27ContentsAccessoriesResetting the MicrocomputerIf the microcomputer may malfunction (unit cannot beoperated, or shows an erroneous display) if

6、the power cordis unplugged while the power is ON, or due to some otherexternal factor. If this happens, execute the following pro-cedure to reset the microcomputer and return the unit to itsnormal operating condition.For U.S.A. and CanadaUnplug the power cord from the wall outlet, thenplug it back i

7、n while holding down the POWER key.Except for U.S.A. and CanadaWith the power cord plugged in, turn the POWER keyOFF. Then, while holding down the ON/STANDBYkey, press the POWER key. Please note that resetting the microcomputer will clearthe contents of the memory and returns the unit to thestate it

8、 was in when it left the factory.CautionsRadioFans.CN 收音机爱 好者资料库AR-404/KRF-A4030/A4030E/A4030-S3CIRCUIT DESCRIPTION1. BACK UP DATA AND INITIAL STATE 1-1 BACK UP(1) AMP POWER.STANDBY INPUT SELECTOR .TUNER BALANCE .CENTER SPEAKER A RELAY .ON SPEAKER B RELAY .OFF VOLUME LEVEL. -66dB BASS LEVEL.0dB TREB

9、LE LEVEL .0dB INPUT LEVEL .0dB SOURCE DIRECT.OFF TAPE2/MONITOR.OFF(2) TUNER BAND .FM PRESET CHANNEL.- FREQUENCY.LOWER LIMIT VALUE K1.FM:87.50MHzAM:530kHzE1/E3 .FM:87.50MHzAM:531kHz AUTO/MANUAL .AUTO DISPLAY MODE .FREQUENCY E ON THRUST RECEIVING .OFFMODE T1 VOLUME.OFF(-66dB)1-2 INITIAL SETTINGThe ini

10、tial setting is performed when the AC power cordis plugged into the AC power wall out let while pressing the power (STANDBY) key.3. TEST MODE3-1 SETTINGTurn the power ON while pressing the BAND key.3-2 CANCELLATIONUnplug the AC power cord from an AC power wall outlet.3-3 STARTING ACTIVE CONTENTS The

11、 power on state is entered whenever the power istrued on while pressing the BAND key. All functions are initialized and activated in the all light-ing mode. All lighting mode is canceled when any main unitskeys are pressed. The normal display obtained whenthe selector is set to TUNER then appears. E

12、2PROM check(Etype only).Check the reading data and the writing data of theE2PROM after setting the test mode.Display shows blank if the reading data and writingdata are the same. Display shows LW if the differentdata will be written to E2PROM.3-4 ACTIVE CONTENTS The mute control is not activated whe

13、n the mode isswitched. The test mode will be terminated by plugging it off thepower source or by initializing it when all the settingswill be initialized. During the test mode, it can be operated in a specialmanner that is deferent from an ordinary operation byusing the keys on the remote control or

14、 the main body,specifically as shown in the following table (3-5 CON-TENTS). Channel space will be no changed in the test mode.3-5 CONTENTS 3-5-1 TUNER FUNCTIONWITH THE SELECTOR ON TUNER (E TYPE ONLY)DESTINA-TIONTUNERTYPEBANDRECEIVINGCHANNELSPACEIFPLLREFERENCEFREQUENCYRANGEFREQUENCYDSW3(D507)DSW2(D5

15、05)DSW1(D504)DSW0(D510)K,PK1(1700)FMAM87.5MHz108.0MHz530kHz1700kHz100kHz10kHz+10.7MHz+450kHz25kHz10kHz0000M,XE1FMAM87.5MHz108.0MHz531kHz1602kHz 50kHz9kHz+10.7MHz+450kHz25kHz9kHz0011MK2(1600)FMAM87.5MHz108.0MHz530kHz1610kHz100kHz10kHz+10.7MHz+450kHz25kHz10kHz0001EE3RDSFMAM87.5MHz108.0MHz531kHz1602kHz

16、 50kHz9kHz+10.7MHz+450kHz25kHz9kHz0101DSW0DSW3(DIODE SW)* 0: NONE DIODE,1:ADD DIODE2. DESTINATION LIST OF TUNERBass and treble are selected while the sound key ispressed.3-5-2 AMP FUNCTIONWITH THE SELECTOR ON SOMETHING OTHER THANTUNER One touch max,min setting for Audio level.SOUND KEYKEYMASTER VR.B

17、ASSTREBLEBAND-89dB0dB+10dBAUTO0dB0dB+10dBMEMORY-10dB0dB+10dBOPERATIONFUNCTIONFL DISPLAYREMARKSKEY(EX.)PTYS LEVEL(1)(SLEVEL), (RF ATT)OFFRF ATT(2)(SLEVEL), (RF ATT)ON(3)(NORMAL), (RF)ATT OFFDISPLAYP.CALL UP P.CALL FREQUENCY-TA/NEWSPI CODEPI 0000PI CODE ON/OFF(1)(2) (3)CYCLEAR-404/KRF-A4030/A4030E/A40

18、30-S4CIRCUIT DESCRIPTION4. Microprocessor CXP82840-163Q, CXP82832-162Q (X09, IC51)4-1 Microprocessor periphery block diagram diagramFL DISPLAY ED5110GRID16SEGMENTX8X3X2X2X2X2X09, S516SERIAL COMMUNICATIONDATABUSYVOLUMEENCODERX09, S518MULTIENCODERX09, S517SELECTORENCODERX2X38.0MHzCERESETX3X2TUNER MUTE

19、AUDIO MUTEX09, IC52EEPROM-10dB ATTSDSTEREOKS0KS7KR0KR2X110-BT-216GKLED(STANDBY)POWER RELAYSPEAKER A RELAYSPEAKER B RELAYX09, IC51X09, IC3SELECTOR ICTC9164ANREMOCONCXP82840-163Q(E TYPE ONLY)CXP82832-162Q(OTHERS)Receiver u-COMX09, IC54RDS ICX05, IC2TUNERSAA6579/RE TYPE ONLYE TYPE ONLYLC72131X09, IC2VO

20、LUME ICM62492FPBR24C02KEYMATRIXKR0(12)KR1(13)KR2(14)KS0(81)-S.DIRECTBANDKS1(80)SPEAKER B*DIMMER/PTY*P.CALL UP/DISPLAYKS2(79)SPEAKER APOWER*P.CALL DOWN/TA NEWSKS3(78)-KS4(77)-DSW3(507)KS5(76)DSW2(D505)DSW1(D504)DSW0(D510)KS6(75)TAPE2/MONITORSOUNDAUTOKS7(74)-BALANCEMEMORYPTY,DISPLAY and TA/NEWS keys a

21、re only RDS version(E type).Pin No.Pin name I/ODescriptionActive1,2G9,G10OFL grid control (9,10).3NC-u-Com +5V power supply.4RDS,CKIRDS IC clock input control. (E type only)5RDS,DTIRDS IC data input control. (E type only)6NCIu-Com +5V power supply.7VOL.ENC.AIVolume encoder A (CW) signal.8REMOCONIRem

22、ote control signal input.9VOL.ENC.BIVolume encoder B (CCW) signal.10,11NC-Unused.1214KR0KR2IKey return (02).15PROTECTIProtection detection signal input.H: Protection ON16S.DATAI/OSerial communication data.17S.BUSYI/OSerial communication busy.18E2.DATAI/OE2 PROM data.19E2.CLKOE2 PROM clock.20SEL.ENC2

23、 CWISelector encoder A(CW) input.21SEL.ENC2 CCW2ISelector encoder B(CCW) input.22MLT. ENC3 CW3IMulti control encoder A(CW).23MLT. ENC3 CCW3IMulti control encoder B(CCW).248/16ISerial communication 8bit/16bit changeover.2527NC-Unused.28AV REF-Analog reference voltage (+5V).29S.LEVELISignal level A/D

24、input. (E type only)3032NC-Unused.33PLL.DOIPLL IC DO signal input. (E type only)34PLL.STEREOITUNER stereo signal input.L: STEREO35PLL.SDITUNER SD signal input.L: TUNED36RCV.CEIReceiver chip enable signal input.L: ENABLE37AVSS-Analog ground.38RESETIu-Com reset.39EXTALIMain clock(8MHZ).40XTAL-Main clo

25、ck(8MHZ).41VSS-u-Com ground.42TX-Unused.43TEXIGround.44VDD-Analog power supply (+5V).45VFDP-FL power supply(-33V).46SEL.STBOTC9164AF strobe.H: LATCH47SEL/PLL.DTOSelector/PLL IC data signal output.48SEL/PLL.CKOSelector/PLL IC clock signal output.49PLL.CEOPLL IC CE signal output.50T.MUTEOTuner mute co

26、ntrol.L: MUTE ON51A.MUTEOAudio mute control.L: MUTE ON52NC-Unused.5310dB.ATTOVolume 10dB attenuator control.L: ATT ON54VOL.DTOVolume IC(M62492FP) data control.55VOL.CKOVolume IC(M62492FP) clock control.56VOL.STBOVolume IC(M62492FP) strobe control.5759NC-Unused.60RELAY.AOSP. relay A control.H: RELAY

27、ON61RELAY.BOSP. relay B control.H: RELAY ON62,63NC-Unused.64POWER.RLYOPower relay control.H: RELAY ON65STANDBY.LEDOSTANDBY LED control.H: LED ON6671NC-Unused.72LIMITEROOutput power control at SP. (A+B). K/M/X only.73S.W MUTE-Unused.74,75KS6/KS7OKey scan 6,7.7681P1/KS5P6/KS0OFL segment 16/key scan 50

28、.8288P7P13OFL segment 713.89VDDOu-Com +5V power supply.9092P14P16OFL segment 1416.93100G1G8OFL GRID 18.4.2 Microprocessor pin descriptions: X09,IC515CIRCUIT DESCRIPTIONAR-404/KRF-A4030/A4030E/A4030-S?6ADJUSTMENTAR-404/KRF-A4030/A4030E/A4030-SNo.ITEMINPUT SETTINGSOUTPUTSETTINGSRECEIVERSETTINGSALIGNME

29、NTPOINTSALIGN FORFIG.1DISTORTION(STEREO)(C)98.0MHz 1kHz, 68.25kHz dev. Selector: L or R Pilot : 6.75kHzdev. 70dBf (ANT. input)(B)98.0MHzIFT (TUNERUNIT: A1)Minimum distortion(L or R)(a)2TUNING LEVEL(A)98.0MHz MONO 1kHz, 75kHz dev. 25dBf (ANT. input)(B)MONO98.0MHzVR1(TUNER UNIT)Adjust VR1 andstop at t

30、he pointwhere ED51(TUNED) goes on.(a)1DISCRIMINATOR(A)98.0MHz 1kHz, 40kHz dev. Connect a DCvoltmeterbetween CN21 and CN2 2(TUNER UNIT)MONO98.0MHzL4 (TUNER UNIT)0V(a)3DISTORTION(STEREO)98.0MHz(C) 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input)(B)AUTO98.0MHzIFT(TUNERUNIT : A1)M

31、inimum distortion(L or R)(a)2DISTORTION(MONO)(A)98.0MHz 1kHz, 40kHz dev. MONO 70dBf (ANT. input)(B)MONO98.0MHzL5 (TUNER UNIT)Minimum distortion(a)41IDLE CURRENTVolume: 011 mVVR1 (L)VR2 (R)Connect a DCVolumeteracrossCN11 (L)CN12 (R)TUNING LEVEL(A)98.0MHz MONO 1kHz, 40kHz dev. 25dBf (ANT. input)(B)MON

32、O98.0MHzVR1 (TUNER UNIT)Adjust VR1 andstop at the pointwhere ED51(TUNED) goes on.(a)(b)FM SECTION : EXCEPT E type SELECTOR : FMFM SECTION : E type only SELECTOR : FM Adjust NO.1 and NO.2 repeat.70dBf (ANT. input)AUDIO SECTIONSPEAKERS+-+R+-+LLRBAFM75GNDAMANTENNAREC OUTPLAY INAUXMD / TAPE1TAPE2/MONITO

33、RPLAY IN REC OUT PLAY INPLAY INPHONOCDLR(A)(B)(C)(D)AM SGFM-MPX-SGFM-MPX-SGPOLAR SGAC voltmeterOscilloscopeDistortion meterDummy antenna(b)(a)Dc voltmeterCN11, 12SYSTEM CONNECTIONS?12F4F52C113C112141516511C1121514C11321F5F4110-120V220-240V220-240V110-120VX09 E/9WH3CN20CN5CN19CN4WH4E3S3WH2S2X09 H/9CN

34、6X09 D/9E3WH4CN5CN20CN19CN4ABDFHJCEGI2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)87R70R40C53OFFONW5W6W7W4W19W22W21W20W14W17W10W1W3(W)(G)AM RFVTPLLFM IFAM STEREOFM DET MPXVrefTUNEDFMMPX.FIL.T.METERC17W24C28C38C29C37W9W16VR1CF1CF2C10W13

35、W23CF3L9L2R50R44R71C49C46C72C32C14C15C67C55W25L3C62C66C65W8W11W15L1C73C7R81C27C16C19C21C23L6L7C48R41L4R77R61C59R2X2X1111221211511816302151E1CN1D6A1IC1D4D3D9D5IC2CN2J1S1CH. SPACEDE-EMPHASISANTENNAX05-498X-XXC69D16R90W86R80R82R12C77R60R59R58W52C86E BEBD7D13Q14Q15C88R89C87R43C6C78C75C11C39C42C52C47C50C

36、51C43C44R55R56R53R54R57R51R52R49R42R11R1R7C76R83R88D1C84C35R32/W60C8C36W85C5C1C2C3C82C12C25C26C24C41C40C30C22C18C20R14R15R16R10R4R5R8R9R6R35R23R28R25R27C31C79W51W80R85C85R86R87E BEBQ2Q1D11C92C93C91C89C83R29R48R34R33R84R79R47W84R45R46R31R36W62R64R65R30C80C34C33R37E BEBE BQ3Q4Q7C68W2L5C54R75C90C58C56C

37、57C61C60R66R63R62R69R67R68R18R19R20C63W59W81C81C45W56R17R39R38R76W83R74R78W61W55R72C71R73C70W82C64W5416918E BEBE BE BEBEBQ11Q10IC3Q9Q8Q12Q6D8TUNER UNIT(ALL)(0-21)W54W170W169R49R73C88R109C94C104C118W94W141C136C135R91R92R204R203C32W140C84C83R145R143R144C110C137C79W198W128R182R188C134W118R45C57C58R208C

38、66C65C67C68C119R94R90R89W165R152C133W78W20R136R66R206R65R205C27R114C31C126C28R163R164C30C29R147R146R148W116W95R83R50R74R84W134W166C125C117W90W167W168W104W121W89W97W37W42W11W27W58W162W40R82R119R118R75R76R81R99R168R100R111R117R93R70R141R63R64R156R142R67R69R68W66C75W105C73C74C71C72C59C60C129C130W119W45

39、C123C124C115C120C63C64C3C33C35C34W12W23C36C51C44C4C52C43C37C8C7C38C87C86C108C103C114C116C100C80C82C85C95C81C93C92C102C101C107C90C78C89C91C54C9C53C56C10C55C50C6C42C49C5C39C45C40C46C1W83W85C105C106C2C122C69C20C21C22C17C18C19C23C76C77C121C70C24C25C26C98C99W65C48C41C47L2L1C14C15C13C131C132C127C128C16R10

40、6R112R110R122R123R124R121R113R115R116R176R165R105R167R104R175R170R171R172R125R157R155R160R158R159R154R150W131R149W79R153R151R130R131R127R126R129R128R132R138R137R140R139R134R133R135R200R183R181R187R199R186R184R103R30R29R31R33R32R28R24R23R25R27R26R41R40R42R44R43R39R35R34R36R38R37R8R7R9R11R10R6R2R1R3R5

41、R4R19R18R20R22R21R17R13R12R14R16R15R80R86R85R77R79R78R97R96R98R102R101R95R53R52R54R56R55R51R47R46R48R62R61R71R72R60R58R57R59C11C12K2K3C111W153W161W139W144W127W133W137W132W142W96W98W103W151W148W149W155W159W163W156W138W126W100W107W125W51W46W93W102W29W33W24W56W22W112W41W38W57W77W86W84W34W52W62W25W91W59

42、W2W81W113W109W88W63W67W60W68W55W26W76W1W3F3/W6W4W31W15W32W53W49W69W71W82F1F2+5.6VAVR-30VAVRBIAS CONT.RchBIAS CONT.LchP2R209W199W30W200R173W35VR1VR2W171R207C96C97R120K1T1W64ACP.T.SW.121216151421EBB51BEEBEEBB EBEBEBEBEEBEBEBEBBEBEEBE BBEBEEBEBEBBEE BBEBEE B811141528563412563142121864412418065402515112

43、3031EBE BBEEBBEBEEBEBEBEB1221312421S13113W9C520C513A SPB SPPOWERR107W8R560R562R567R5722R108W5134R569R564C510L501C515C51681ED51R546R5455C506841R578R5809C524C5234.332MhzX50216C528C527R557L502C522EBR504BALANCEW43R585W13R571R583R566W19C512W18C519W39BANDAUTOW50SOUNDW99S.DIRECTW70W75W164DIMMERW87P.CALLW44

44、R554W10R516B ER521W7R555R553W17W16W21123W36W28W72W48W73W47PTYW74W61R544R543R5868MHzW123W152W154P.CALLR514MEMORYR505MONITORW101W108W172W106W174TA/NEWSC549W120W182W114W115R532R534W136R506R510R507R508W145R533W129R561R559R512R513R531R515R51129W92W80W117RDS DISP.C542W14R503R542W12228W110W111C545W15080811

45、001C540W1575150W158C5093031C109X501W147W13530W124R541W143W146R517R518R520R527EBR576W184R529R540R556R563R558OGIW173W176W175R502W160R552R536R573R574C514W130W181C5073736C517R581C503R524C538R538R509R530R528R525C50512R539C521R570R548R551W177R547C502W183R577R169C534R568C504R582C531R575C525C541W178W180R523

46、R522C526R51913W179C529R579C518C511C539C508R565WHT13R549R550C61C62H.P.MULTI CONTROLINPUT SELECTORLRIC2Q45D28Q46D39IC4Q47D41D2D23D40CN13CN16CN15CN14CN17CN18P1D42Q5Q6Q4Q1Q2Q3Q41Q30Q29Q40Q35Q44D27D24D26D25Q39Q36Q42J6Q7Q8Q31Q27Q28Q9Q15Q34Q33Q37Q38Q16Q32Q12Q11Q10Q13Q14J1IC3J3D22D514D37D31D32D38D15D8D17D16

47、D11D10D9D12D7D3D5D6D34D33D1D36D35D18D14D13D20D4D21J4WH3Q20Q22Q19Q21PHONOEQ10dB ATTA CLASS15VAVRE.VOLUMEPROTECTIONINPUTSELECTORA MUTEWH4D19Q25J5CN11CN12CN7J2CN8IC1E2CN1CN2J8WH2Q26X09 C/9D527S508E502WH52WH1POWER SWPHONESX09 F/9X09 I/9S516CN21WH51X09 B/9S501S512D525E501WH52IC54IC52S505S502S504S518S514S

48、510D529S503S511Q502Q501D503D504D505D510D518S515S506S513S517D513D512D519D522D521D520IC51IC53D528D508D530D524D526CN9Q503A501D509D523D516D515D511WH53D517P3X09 G/9CN1031E1J7X09-6410-10 A/9 (J70-1366-11)AC OUTLETSYSTEM CONTROLSPEAKERSPRE OUTPLAY INREC OUTPLAY INREC OUTPLAY INPLAY INPHONOTAPE2/MONITORMD/T

49、APE1AUXCDVOLUMECONTROL155151KMOQSLNPRT2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD (Component side view)AUDIO UNIT910ABDFHJCEGI2135746GNDGNDANT2ANT14321100100R12680KR11100K-680-2.2KR68P0-8P2-6PC20150PR9L6C12R1010KC1527P27PC14C163.9KC13R810KR7C17100P8OUTIF-

50、OUT7C1033KL30-100100K0-8PC18C1180PL1L210PR1C2C6 4PC3 0-8P1.2M470K-1000P180P0.1C968R14C19C5R5L5L43PR13680C727PR3R2C4R433K0.1+B6VTIFTC80.15OSC100R4R233K0-5PGND4ANT1GNDGND321C327PL1C127PC215PC140.1C53-7PR1100KR3100KL2C410PC6R6 33KC7 5-10PL3L40-100R1510K1.5KC2110PR17470-C1647P7C9C153.9K2-6PC17L7R12C19C2