Kenwood-LSF30-cs-sm 维修电路原理图.pdf

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1、* Refer to parts list on page 26 . In compliance with Federal Regulations, following are repro-duction of labels on, or inside the product relating to laserproduct safety.KENWOOD Corp. certifies this equipment conforms to DHHSRegulations No.21 CFR 1040. 10, Chapter 1, subchapter J.DANGER : Laser rad

2、iation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.Caution : No connection of ground line if disassemble the unit. Please connect the ground line on rear panel, PCBs, Chassis and some others.70%AUXTUNER/bandCD TAPEvolumeTuningModestandby/timerremoterecmodeset/soundtime0 push open

3、BEAT12phonespush openMICRO Hi-Fi COMPONENT SYSTEMRXD-M35LS-M35/F30SERVICE MANUAL(HM-335/HM-F30) 2002-12 PRINTED IN KOREAB51-5813-00 (K/K) 3070F. Cab. assy *(A60-)Door assy *(F07-)Stereo jack (E11-0398-08)Button (K29-8259-08)FL filter (B11-1567-08)Button (K29-8260-08)TOP VIEWKnob(VOLUME) (K29-8258-08

4、)Cass. door lens *(B10-)RadioFans.CN 收音机爱 好者资料库FM indoor antenna (1)(T90-0861-08)AM loop antenna (1)(T90-0846-08) Remote control unit (1)(A70-1568-05): E,T,H type(A70-1569-05): K,X type Batteries(R6/AA) (2) RXD-M352CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS. 2EXTERNAL VIEW.3C

5、IRCUIT DESCRIPTION.4ADJUSTMENT.14PC BOARD . 15SCHEMATIC DIAGRAM . 19EXPLODED VIEW .25PARTS LIST.26SPECIFICATIONS .Back coverContentsAccessoriesCautionsOperation to resetThe microcomputer may fall into malfunction (impossibil-ity to operate, erroneous display, etc.) when the powercord is unplugged wh

6、ile unit is ON or due to an externalfactor. In this case, execute the following procedure toreset the microcomputer and return it to normal condi-tion.Unplug the power cord from the power outlet, then whileholding the POWER or key depressed, plug the powercord again.Please note that resetting the mi

7、crocomputer clearsthe contents stored in and it returns to conditionwhen it left the factory.orAfter resetting the microcomputer, the display will showas follow:standby/timerPOWERstandby/timerThe marking of products using lasers (For countries other than U.S.A., U.S.-Military and Canada)The marking

8、of this product has been classified as Class 1. It meansthat there is no danger of hazardous radiation outside the product.Location: Back panelCLASS 1LASER PRODUCTCAUTIONVISIBLE LASER RADIATIONWHEN OPEN. DO NOT STAREINTO BEAM OR VIEW DIRECTLYWITH OPTICAL INSTRUMENTS.Inside this laser product, a lase

9、r diode classified as Class 3A laserradiation is contained as alerted by the internal caution label shownabove. Do not stare into beam or view directly with optical instruments.1 Remove the CD from the unit.2 Press the CD 6 key.3 Wait for some time and verify that the displayappears as above.4 Wait

10、a few seconds and turn the unit OFF.Note related to transportation and movementBefore transporting or moving this unit, carry out the follow-ing operations.RadioFans.CN 收音机爱 好者资料库RXD-M353EXTERNAL VIEW*Refer to parts list on page26.ANTENNAAMAUXINLRLRRCA jack (E63-1091-08)Speaker terminal (E70-0113-08

11、)Heatsink cover (F07-1799-08)AC line cord *(E30-)Speaker terminal (E70-0112-08)SYSTEM CONFIGURATIONSSYSTEMRECEIVERSPEAKERSCOLORFORHM-335-SRXD-M35-SLS-M35-SSILVERUSA & AUSTRALIAHM-335E-SRXD-M35E-SLS-M35-SSILVERHM-F30-SRXD-M35-SLS-F30SILVERFRENCHHM-335IT-SRXD-M35-SLS-F30SILVERITALYHM-335-NRXD-M35-NLS-

12、M35-NGOLDHM-335E-NRXD-M35E-NLS-M35-NGOLDRXD-M354CIRCUIT DESCRIPTIONFrequencyP.CHK1(K,P Type)E3(E,T,H,E2 Type)E1(M,X,V Type)K2(M,V Type)1FM 98.30MHzFM 98.30MHzFM 98.30MHzFM 98.30MHz2FM 108.0MHzFM 108.0MHzFM 108.0MHzFM 108.0MHz3FM 89.10MHzFM 89.10MHzFM 89.10MHzFM 89.10MHz4FM 87.50MHzFM 87.50MHzFM 87.5

13、0MHzFM 87.50MHz5FM 90.00MHzFM 90.00MHzFM 90.00MHzFM 90.00MHz6FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz7FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz8AM 1610kHzAM 1503kHzAM 1503kHzFM 87.50MHz9AM 1700kHzAM 1584kHzAM 1584kHzAM 1610kHz10AM 1000kHzAM 999kHzAM 999kHzAM 1000kHz11AM 630kHzAM 621kHzAM 621k

14、HzAM 630kHz12AM 1440kHzAM 1350kHzAM 1350kHzAM 1440kHz13FM 106.0MHzFM 106.0MHzFM 106.0MHzFM 106.0MHz14AM 530kHzAM 531kHzAM 531kHzAM 530kHz15FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz16FM 98.00MHzFM 98.00MHzFM 98.00MHzFM 98.00MHz17FM 98.50MHzFM 98.50MHzFM 98.50MHzFM 98.50MHz18FM 87.50MHzFM 87.50MHzF

15、M 87.50MHzFM 87.50MHz19AM 990kHzAM 945kHzAM 945kHzAM 990kHz20FM 97.40MHzFM 97.40MHzFM 97.40MHzFM 97.40MHz21AM 530kHzAM 531kHzAM 531kHzAM 530kHz22FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz23FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz24FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz25FM 87.50MHzFM 87.

16、50MHzFM 87.50MHzFM 87.50MHz26FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz27FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz28FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz29FM 87.50MHzFM 87.50MHzFM 87.50MHzFM 87.50MHz30FM 106.0MHzFM 106.0MHzFM 106.0MHzFM 106.0MHzTypeE,E2,T,HK,PM,VXVoltage (IC401, Pin3)4.2

17、V5.0V2.6V4.1V1.4V2.5V0.7V1.3VSetDestinationBandReceiving Frequency RangeChannelIFRFSpaceK,PK1FM87.5MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1700kHz10kHz+450kHz10kHzE,T,H,E3FM87.5MHz108.0MHz50kHz+10.7MHz25kHzE2RDSAM531kHz1602kHz9kHz+450kHz9kHzM,X,E1FM87.5MHz108.0MHz50kHz+10.7MHz25kHzVAM531kHz1602kHz9kHz

18、+450kHz9kHzM,VK2FM87.5MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1610kHz10kHz+450kHz10kHz1. Initializing1-1 Initialization Method While pressing the POWER key, turn the AC on.1-2 Initialization Operation During the initial operation, the display showsRESET and after that it will be returned to standbycon

19、dition. If any mechanisms error occurred, the error indicationis displayed as ERR in the display.2. Tuner Types1-3 Mechanism Initializations1CD Mechanism If a mechanism error occurred, the error indication isdisplayed as C ERR in the display.2Deck Mechanism If a mechanism error occurred, the error i

20、ndication isdisplayed as X ERR in the display.3. Tuner Preset FrequencyRXD-M355CIRCUIT DESCRIPTION8th Dot(Display)1st figure2nd figure3rd figure4th figureMechanismFWD REC InhibitRVS REC InhibitCassette HalfTape PlayHalf SwitchDetection SWDetection SWDetection SWDetection SWONBlankBlankBlankBlankOFFE

21、EEEKeysDisplayOperation 4 Seconds RecordingIf the REC/ARM key is pressed, the system record for 4 seconds.TAPE RECAUXThen, it rewinds to the REC starting position and plays back automatically.If the REC/ARM key is pressed, during the 4 seconds REC operation, the system records further for 4 seconds,

22、 then returns to the starting positionof the first 4 seconds REC operation and plays back.KeysDisplayOperationCD-PLAY/PAUSE05 : Tracking-servo on.(Cyclically changed the mode( : )Time Display Pickup moves inward.05 and 03 by pressing the key.)03 : Tracking-servo off. (for checking TE)( : )Time Displ

23、ay Pickup moves outward.CD STOP00 : 00Stop the CD operation.Adjustment value/mean value(Cyclically changed in the07 FG/FEFG value /FE valuestop mode only.)08 FB/FOFBAL value /FO value09 TG/TETG value /TE value10 TB/TOTBAL value /TO valueSKIP UPEx.0.10.2 Track number upSKIP DOWNEx.0.20.1 Track number

24、 down.Test ModeKeysSetting MethodCD MODECD PLAY keyInsert the AC cord to AC wallDECK MODETAPE PLAYoutlet while holding down theleft key.4. Test Mode4-1 Setting method of the Test Mode4-2 Cancel of the test mode Initialized and cancel the test mode if pulling out the power cord. Cancel the test mode

25、only if the power key is turned off.4-3 Contents of the Test Mode The muting during mode selection is not controlled in the test mode. During the test mode, it can be operated in a special manner that is different from anordinary operation by using the keys on the main body, specifically as shown in

26、 thefollowing tables4-4 CD Test Mode4-5 Deck Test ModeMechanism half switches indicationThe mechanism half switches status are indicated blank or E in the display.RXD-M356CIRCUIT DESCRIPTIONVoltage00.891.552.002.613.023.425.00RangeKey 1ON/AUXTUNERSKIPSTOPCDSKIP(off)(Pin 5)STANDBYDOWNPLAYUPKey 2RECTA

27、PEMODESET(off)(Pin 6)PLAY5. Microcomputer : MN101C51F (IC401)5-1 Microcomputer Periphery Block DiagramKey Matrix VREF =5.0V5-2 Pin Description of Microcomputer : MN101C51F (IC401)Pin No.Pin NameI/ODescription1VREF -Connected to power supply(+5.0V).2END SWIReel sensor input for cassette deck.3TN TYPE

28、IDiscrimination of tuner destination.4S LEVELIRDS signal level input(E/T type only).5KEY1IA/D key (key1) input port.6KEY2IA/D key (key2) input port.7A LEVEL-Unused.8TH-Unused.9CD PROTECTIONIDetection port for CD protection.10VREF +IA/D reference voltage(+5V).11VCCIPower supply(+5.0V).12OSC2OMain clo

29、ck oscillator(8.388MHz).13OSC1IMain clock oscillator(8.388MHz).14VSSIGND.15X1ITimer clock input(32.768kHz).IC701PLAY BACK/REC EQ. ICAN7317IC801FL DRIVER(MN12510F)FL801IC301 (HNA-14SM06)Vaccume Fluorescent DisplaySYSTEM IC(LC75342M)IC401MN101C51FIC202IC102DSP IC(MN662748WB)PLL IC LC72131MIC103CD MECH

30、A.(KSM213)RDS IC (E/T TYPE) (BU1923F)IC802VR801KEYREMOTEENCORDDECK MECHA.RXD-M357CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription16X0OTimer clock output(32.768kHz).17MMOD-Connected to ground.18S DIIData input from FL driver IC.19S.DOOData output to FL driver IC.20S CKOClock output to FL driver IC.21

31、MLDOCD DSP command load signal output.22SUBQICD sub code input.23SQCKOClock output for CD sub code.24CL SWICD close detection switch input.25RESET IReset signal input for microprocessor.26CEIPower failure input port.27OP SWICD open detection switch input.28CD POWEROCD DSP power on/off control.29XRST

32、OCD DSP reset output.30SLT SWICD start limit switch input.31REM. CONTROLIRemote control signal input.32NO USE-Unused.33RDS CLKIRDS clock input. (E/T version only)34RESET2-Unused.35CD BLKCKISub code synchronous signal input.36MDATA-Unused.37STATICD DSP status signal input.38MCLKOCD DSP command clock

33、signal output.39CLOSE-Unused.40OPEN-Unused.41PH INIUnused.42FLASH UC1-Unused.43FLASH UC2-Unused.44V CEOChip enable output to electronic volume system IC.45V CLKOClock output to electronic volume system IC.46V DATAOSerial data output to electronic volume system IC.47PWR RELAYOPower relay control outp

34、ut. H = ON L = OFF48,49NO USE-Unused.50FLASH WRITE-Unused.51NO USE-Unused.52PLL CLKOPLL IC clock output.53PLL DO/STIPLL IC data input.54PLL DATAOData output to PLL IC.55PLL CEOPLL IC chip enable.56SDISD detector input. H = NO TUNED L = TUNED57TU MUTEOTuner mute control. L : MUTE ON58PACK SWIDeck pac

35、k switch input. H = OFF L = ON59F REC SWIDeck forward rec switch input. H = OFF L = ON60R REC SWIDeck reverse rec switch input. H = OFF L = ON61PLAY SWIDeck play switch input. H =OFF L =ON62B. CANCEL-Unused.63REC/PBODeck rec/play control.64BIASODeck bias control.65A/BOUnused.66LINE MUTEODeck line mu

36、te control.67REC MUTEORec mute control.68CPMODeck capstan motor control.69SOLODeck solenoid control.70RDS DATA-Unused.RXD-M358CIRCUIT DESCRIPTIONPin No.Pin NameI/ODescription1PDIAPC Amp input.2LDOAPC Amp output.3VCC-Power supply.4RFIRF amp inverting input.5RF OUTORF addition amp output.6RF INIAGC am

37、p input.7LDRCTL-LD reference voltage control.8CAGC-AGC loop filter connection.9ARFOAGC output.10CEA-Capacitance connection for RF HPF-Amp.11RF ENVO3T-ENV output.12CSBDO-Capacitance connection for RF dark side envelope detection.13BDOOBDO output.14COFTR-Capacitance connection for RF bright side envel

38、ope detection.15OFTROOFTR output.16NRFDETONRFDET output.17GND-GND18SLPSW-Sleep mode control (connected to ground).19VREFOVREF output.20TENITE. Amp inverting input.21TEOUTOTE. Amp output.22FENIFE. Amp inverting input.23FEOUTOFE. Amp output.24GCTLOGain & APC control.25FBALOF. BAL control.26TBALOT. BAL

39、 control.27EITracking signal input 1.28FITracking signal input 2.29DIFocus signal input 4.30B IFocus signal input 2.31CIFocus signal input 3.32A IFocus signal input 1.Pin No.Pin NameI/ODescription71PROTECTODetection input port for protection circuit H = PROTECTION ON72A_MUTEOAudio muting control out

40、put. H = OFF L = ON73SP. RERAYOUnused.74EEP SDAI/OEEPROM data input and output.75EEP SCLOEEPROM clock output.76ENC AIRotary encoder input (up).77ENC BIRotary encoder input (down).78LED. REDOControl port of standby/timer LED(red). L = ON79LED. GRNOControl port of standby/timer LED (yellow). L = ON80N

41、CSOCS signal output to LCD driver IC.6. Pin Description of ICs6-1 CD RF AMP : AN8399SA-E1 (IC201)RXD-M359CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin DescriptionActiveHL1BCLKOBit clock output for SRDATA.2LRCKOL, R clock signal output.3SRDATAOSerial data output.4DVDD1-Digital power supply.5DVSS1-Digital

42、ground.6TXODigital audio interface signal output.7MCLKICPC command clock signal input.8MDATAICPU command data signal input.9MLDICPU command load signal input.Load10SENSEOSense signal output(OFT, FESL, NACEND, NAJEND, SFG).11FLOCKOFocus servo signal output.12TLOCKOTracking servo signal output.13BLKCK

43、OSub code block clock output. fBLKCK = 75Hz14SQCKISub code Q data clock input pin.15SUBQOSub code Q data signal output pin.16DMUTEIConnected to be ground.Mute17STATOStatus signal output.18XRSTIReset signal input.Reset19SMCKO8.4672MHz clock signal output when MSEL is H.4.2336MHz clock signal output w

44、hen MSEL is L.20PMCKO88.2kHz clock signal output when default.Play signal output when command is carry out.Play21TRVOTraverse forced feed output.22TVDOTraverse drive output.23PCOSpindle motor on signal output. L : ON (Default)24ECMODrive signal output for spindle motor (forced mode output).25ECSODri

45、ve signal output for spindle motor (servo error signal output).26KICKOKick pulse output for tracking driver. 27TRDOTracking servo drive output.28FODOFocus drive output.29VREFIReference power supply for DA output section.30FBALOFocus balance adjusting output.31TBALOTracking balance adjusting output.3

46、2FEIFocus error signal input (analog input).33TEITracking error signal input (analog input).34RFENVIRF envelope signal input (analog input).Vibrating detection signal input when default.35VDETI/OSoftware vibrating detection monitor output when command isDetectedexecuted.36OFTIOff track signal input.

47、Off Track37TRCRSITrack cross signal input pin (analog input).38RFDETIRF detector signal input pin.Detected39BDOIDrop out signal input.Drop Out40LDONOLaser on signal output.ON41PLLF2I/OPLL loop filter switching pin.42TOFSOTracking offset adjusting output.43WVELODouble speed status signal output.Doubl

48、eSpeed44ARFIRF signal input.45IREFIReference current input pin.46DRFIDSL bias pin.47DSLFI/ODSL loop filter pin.48PLLFI/OPLL loop filter pin.49VCOFI/OVCO loop filter pin.6-2 DSP IC : MN6627482WB( IC202)RXD-M3510CIRCUIT DESCRIPTIONPin No.Pin NameI/OPin DescriptionActiveHL50AVDD2-Analog power supply fo

49、r DSL, PLL, and DA output section.51AVSS2-Analog ground for DSL, PLL, and DA output section.52EFM/CK384OEFM signal output when IOSEL is H.16.9344MHz clock output when IOSEL is L.53PCK/DSLBOPLL clock output (fPCK = 4.3218MHz) or DSL balance output.54VCOF2I/OJitter free VCO loop filter pin.55SUBCOSub

50、code serial output.56SBCKIClock input for sub code serial output.57VSS-GND58X1ICrystal oscillation circuit input. f =16.9344MHz, 33.8688MHz59X2OCrystal oscillation circuit output. f =16.9344MHz, 33.8688MHz60VDD-Power supply for crystal oscillation circuit.61BYTCKOBite clock signal output when IOSEL