Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf

上传人:cc518 文档编号:77835 上传时间:2020-10-06 格式:PDF 页数:22 大小:2.02MB
下载 相关 举报
Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf_第1页
第1页 / 共22页
Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf_第2页
第2页 / 共22页
Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf_第3页
第3页 / 共22页
亲,该文档总共22页,到这儿已超出免费预览范围,如果喜欢就下载吧!
资源描述

《Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf》由会员分享,可在线阅读,更多相关《Kenwood-KRFA-4030-S-Service-Manual电路原理图.pdf(22页珍藏版)》请在收音机爱好者资料库上搜索。

1、SPEAKERS+-+R+-+LLRB AFM75GNDAMANTENNAREC OUTPLAY INAUXMD / TAPE1TAPE2/MONITORPLAY INREC OUTPLAY 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 MANUAL2000-1/B51-5595-00 (K/K) 3174ASPEAKERSBSTANDBYPOWERMULTI CONTROLSOUNDSOURCE DIRECTAUTOBANDMEMORYINPUT SELECTORVOLUME CONTROLUPDOWNBALANCEPTYTA/NEWSDISPLAYPHONES

3、ON/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-)FM (T90-0836-05)(A70-1266-05): RC-R0709.KPMX(A70-1267-05): RC-R0708.E1E2E3indoor antenna AC plug adaptor (1)(E

4、03-0115-05)(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 / CAUTIONSCONTENTS / ACCESSORI

5、ES / 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 the power cordis unplugged while t

6、he 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 in while holding down the POWER key

7、.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 was in when it left the factory.Ca

8、utionsAR-404/KRF-A4030/A4030E/A4030-S3CIRCUIT DESCRIPTION1. BACK UP DATAAND 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 TREBLE LEVEL.0dB INPUT LEVEL.0dB SOURCE DIRECT.OFF TAPE2/MONITOR.OFF(

9、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 initial setting is performed when the AC power cordis plugged into the AC

10、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 power on state is entered whenever the power istrued on while pressing

11、 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. E2PROM check(Etype only).Check the reading data and the writing data of

12、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 when the mode isswitched. The test mode will be terminated by plugging i

13、t 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 the main body,specifically as shown in the following table (3-5 CON-

14、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(D505)DSW1(D504)DSW0(D510)K,PK1(1700)FMAM87.5MHz108.0MHz530kHz1700kHz100

15、kHz10kHz+10.7MHz+450kHz25kHz10kHz0000M,XE1FMAM87.5MHz108.0MHz531kHz1602kHz50kHz9kHz+10.7MHz+450kHz25kHz9kHz0011MK2(1600)FMAM87.5MHz108.0MHz530kHz1610kHz100kHz10kHz+10.7MHz+450kHz25kHz10kHz0001EE3RDSFMAM87.5MHz108.0MHz531kHz1602kHz50kHz9kHz+10.7MHz+450kHz25kHz9kHz0101DSW0DSW3(DIODE SW)* 0: NONE DIODE

16、,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.BASSTREBLEBAND-89dB0dB+10dBAUTO0dB0dB+10dBMEMORY-10dB0dB+10dBOPERATIONFU

17、NCTIONFL DISPLAYREMARKSKEY(EX.)PTYS LEVEL(1)(SLEVEL), (RF ATT)OFFRF ATT(2)(SLEVEL), (RF ATT)ON(3)(NORMAL), (RF)ATT OFFDISPLAYP.CALL UPP.CALL FREQUENCY-TA/NEWSPI CODEPI 0000PI CODE ON/OFF(1)(2) (3)CYCLEAR-404/KRF-A4030/A4030E/A4030-S4CIRCUIT DESCRIPTION4. Microprocessor CXP82840-163Q, CXP82832-162Q (

18、X09, IC51)4-1 Microprocessor periphery block diagram diagramFL DISPLAY ED5110GRID16SEGMENTX8X3X2X2X2X2X09, S516SERIAL COMMUNICATIONDATA BUSYVOLUMEENCODERX09, S518MULTIENCODERX09, S517SELECTORENCODERX2X38.0MHzCERESETX3X2TUNER MUTEAUDIO MUTEX09, IC52EEPROM-10dB ATTSDSTEREOKS0KS7KR0KR2X110-BT-216GKLED(

19、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, IC2VOLUME ICM62492FPBR24C02KEYMATRIXKR0(12)KR1(13)KR2(14)KS0(81)-S.DIRECTBAN

20、DKS1(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 are only RDS version(E type).Pin No.Pin name I/ODescriptionActive1,2G9,G

21、10OFL 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.8REMOCONIRemote control signal input.9VOL.ENC.BIVolume encoder B (CCW) signal.10,11

22、NC-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 CWISelector encoder A(CW) input.21SEL.ENC2 CCW2ISelector encoder B(CCW

23、) 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 input. (E type only)3032NC-Unused.33PLL.DOIPLL IC DO signal input. (E t

24、ype 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 clock(8MHZ).41VSS-u-Com ground.42TX-Unused.43TEXIGround.44VDD-Analog power

25、 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 control.L: MUTE ON51A.MUTEOAudio mute control.L: MUTE ON52NC-Unused.5310d

26、B.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 ON61RELAY.BOSP. relay B control.H: RELAY ON62,63NC-Unused.64POWER.RLYOP

27、ower 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 50.8288P7P13OFL segment 713.89VDDOu-Com +5V power supply.9092P14P16OFL se

28、gment 1416.93100G1G8OFL GRID 18.4.2Microprocessor pin descriptions: X09,IC515CIRCUIT DESCRIPTIONAR-404/KRF-A4030/A4030E/A4030-S63646454886310410263786464416310410264647263101637950548863102646410239646264496310264641028639648239631026464102638639631036464104103646410410364646454756310410164646373526

29、454751046464101637339645488103646410286396449103646410263865264103646410410364641041036464104103646410410364641041036464104103646410410364641041036464104103646454881041027864644110410263646472104102635164761016379505488631026386644175795064646441631026475101637950646464644877631045164646464487763646

30、410410286524877102646410410251647663104101786449631016379505488631016364646379506464646441631016364756310163795064646464644877104635164646464644877636364646310410163865248776310263646463104101635164761041016378644910410164641041016464104101646410410164641041016464104101637950548863104636475636379506

31、464644163104635164646448776364647263104638652487763101646410410164641041016374645310410163556472104101636464631041016364646310410163646463101795054881026475102795064646464646464646449102516464646464487710473641028652487763646454886310263786464416310264647263102637464531036355647210374645363103636454

32、751025564726310373395488637464531046386394163384089104863964641041016464418810487384063394188631036387384089637864418810387384089101635164491036387384089631016386526410387384089104103638738408963104103793848897950487763644877645475636373395488638639418863786449104101636410264641041017453102638738721

33、026355536310274647263102638738531038738408910363873840896310379384089104875064408963104637938644889104101637950644077104102647563795064644889631041026464646464487763104103516464487763864377636364645488631041026378646441631041026464726310410264641041036464104103646410410364641041036464104103646464547

34、563104101646463735264547510464641016373396454881036464102863964491036464102638652641036464104103646410410364641041036464104103646410410364641041036464104103646410410364641041036379506464548863102646464646464418810263744077101733964491026346896310163786464102646410264641026374645310263556472102746453

35、631025540896310263744089103874689631036387468910487388963102794610163873864646464646464408910163386464646464646448896310187381036387386410387386464103468964641036464103646410364641036464103646410364641036464103646410364641036464103646410364646464646410263636363636363636463636463636374536363635572636

36、363641016363641016374531016355721016364631016363745363101636355726310163636410263745310263557210263646310263646310263636363636363638738103638738641038738646410346896464103646410364641036464103646410364641036464103646410364641036464103646410364641036464646464641028750646454881026387384077733941886310

37、163556472101786449631017464536310163516476101556472631016378644910164641036464101646410364641016464103646410164641036464101646410364641016464103646410151647663101637464531017864496310163556472101635164761017464536310163863941757938408963101865264644889102636363636363636364636364636363745363636355726

38、3636364101636364101637453101635572101636463101636374536310163635572631016363641026374531026355721026364631026364631026363636363636363 8750646454881026387384077733941886310163556472101786449631017464536310163516476101556472631016378644910164641036464101646410364641016464103646410164641036464101646410

39、364641016464103646410151647663101637464531017864496310163556472101635164761017464536310163863941757938408963101865264644889102875064645488102638738407773394188631016355647210178644963101746453631016351647610155647263101637864491016464103646410164641036464101646410364641016464103646410164641036464101

40、646410364641015164766310163746453101786449631016355647210163516476101746453631016386394175793840896310186526464488910287381036387386410387386464103468964641036464103646410364641036464103646410364641036464103646410364641036464103646410364646464646410287506464548810263873840777339418863101635564721017

41、864496310174645363101635164761015564726310163786449101646410364641016464103646410164641036464101646410364641016464103646410164641036464101516476631016374645310178644963101635564721016351647610174645363101638639417579384089631018652646448891026363636363636363636363636363646463101636364646310163636363

42、636363636364646310163636464631016363636363636363875064646464644010155646464646448891016374646310463555363104746489631046464646464547563102735264646464102733964647663101638639644963101786464631016364646310163645363101746472631016364548810163873853102635164417563793848891026386526464644877103873810263

43、873864102873864641026387386464641028738408964641026387384089636464102873840891016464102638738408963101646410263556489102646410263646464646464646464646410163646464646464646464646410164641026464102646410264641026464102636363636363636363641046363647663103637464496310363556464761036363744089644910363635

44、572635164766310263745310178644963102635572101635164761026363745363101637864491026363558963102646476631016374646464646464646464496310163556010363646463101636374536310363516476101636355726310363786449101636364104101646410163636464646464102636464646464646463636363636363636363636363636363646464641041016

45、464646464636364647663103637464646463101636464496310363558964646310163646464761036364636464631016364636449103745363646463101636463516476631025572636464631016364637864496310264636364646310163646363516476101637453636364646310163646363786449101635572636364646310163646310151647663636410163646463101636463

46、1017864496374531016364646310163646310163516487387210163646463101636463101637864646463101636464631016364631025164536310163646463101636463102786472631016364646310163646464646463101636410163646464646464636363636363636363875054881025560664910251616753102875064645488102865248891026387384077733941886310410187384089101863941881041016387384089631016386394188631048738408910386394188104646338647263103638639418863103516464531041018639418810386524889104101638639417563102863964548863101638639644188101863964491016386526

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 功放/音响/收扩 > Kenwood

copyright@ 2008-2025 收音机爱好者资料库 版权所有
备案编号:鄂ICP备16009402-5号