Kenwood-RXDM-33-Service-Manual电路原理图.pdf

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1、MINI HiFi COMPONENT SYSTEMRXD-M33/M33MDSERVICE MANUAL(HM-333/HM-383MD)*2001-3/B51-5707-00 (K/K) 3663 0MD0menuset/demopush openMD recTAPE recrepeatsoundAUX47stopTuningModeFM/AM TUNERFM/AM TUNERPowerremotestandby/timer6CD6MDTAPE623volume/multicontrol0CDPanel assy *(A60-)Knob (K29-7907-04)Cassette hold

2、er assy *(A53-)In compliance with Federal Regulations, following are repro-duction of labels on, or inside the porduct relating to laser prod-uct safety.KENWOOD-Crop. certifies this equipment conforms to DHHSRegulations No.21 CFR1040. 10, Chapter 1, subchapter J.DANGER : Laser radiation when open an

3、d interlock defeated. AVOID DIRECT EXPOSURE TO BEAM.*Refer to page 2 if you want to know system configuration.*Refer to parts list on page 36. 70%PowerorFM indoor antenna (1)AM (T90-0852-05)(T90-0877-05)loop antenna (1)Remote control unit (1)Batteries (R6/AA) (2)Use to adapt the plug on the power co

4、rd to the shape of the wall outlet. (Accessory only for regions where use is necessary.)AC (E03-0115-05)plug adaptor (1)RXD-M33/M33MD2CONTENTS / ACCESSORIES / CAUTIONSCONTENTS / ACCESSORIES / CAUTIONS.2EXTERNAL VIEW.3DISASSEMBLY FOR REPAIR.3BLOCK DIAGRAM.4CIRCUIT DESCRIPTION.5ADJUSTMENT.13WIRING DIA

5、GRAM.15PC BOARD.16SCHEMATIC DIAGRAM.20EXPLODED VIEW.36PARTS LIST.39SPECIFICATIONS.Back coverContentsAccessoriesSYSTEMMAIN UNITDESTINATIONSPEAKERSPCORD-PARTS NoCOLORHM-383MD-SRXD-M33MD-SMIXTELS-M33-SE30-5917-08SILVERHM-383MD-LMRXD-M33MD-LMTHLS-M33-LME30-5917-08BLUE(GRAIN CABI)HM-383MD-NRXD-M33MD-NMTV

6、2LS-M33-NE30-5917-08GOLDHM-333-SRXD-M33-ST1H1E1LS-M33-SE30-5917-08SILVERHM-333-LRXD-M33-LT1E1LS-M33-LE30-5917-08BLUE(SILVER CABI)HM-333-NRXD-M33-NT1E1LS-M33-NE30-5917-08GOLDHM-333-LMRXD-M33-LH1 LS-M33-LME30-5917-08BLUE(GRAIN CABI)HM-333-SRXD-M33E-SE2 LS-M33-SE30-5917-08SILVERHM-333E-LRXD-M33E-LE2 LS

7、-M33-LE30-5917-08BLUE(SILVER CABI)HM-333E-NRXD-M33E-NE2 LS-M33-NE30-5917-08GOLDHM-333-SRXD-M33-SKPM1I1X1LS-M33-SE30-5917-08SILVERHM-333-LRXD-M33-LKPV1LS-M33-LE30-5917-08BLUE(SILVER CABI)HM-333-LMRXD-M33-LM1I1X1LS-M33-LME30-5917-08BLUE(GRAIN CABI)HM-333-NRXD-M33-NM1LS-M33-NE30-5917-08GOLDHM-333-LM(M2

8、)RXD-M33-LM2 LS-M33-LME30-5917-08BLUE(GRAIN CABI)HM-333-N(M2)RXD-M33-NM2 LS-M33-NE30-5917-08GOLDMODELDestinationsParts numberModel nameBattery coverRXD-M33MDTHEA70-1491-05RC-M0303EA09-1151-08RXD-M33MDMIXV2A70-1492-05RC-M0303A09-1151-08RXD-M33KPM1I1X1V1M2A70-1493-05RC-F0303A09-1151-08RXD-M33T1E1H1E2A

9、70-1494-05RC-F0303EA09-1151-08Remote controllerRemocon & System ConfigurationOperation to resetThe microcomputer may fall into malfunction (impossibility to oper-ate, erroneous display, etc.) when the power cord is unpluggedwhile unit is ON or due to an external factor. In this case, executethe foll

10、owing procedure to reset the microcomputer and return it tonormal condition. Please note that resetting the microcomputer clears the contentsstored in and it returns to condition when it left the factory.Unplug the power cord from the power outlet then, whileholding the Power key depressed, plug the

11、 power cordagain.CautionsDISASSEMBLY FOR REPAIRRXD-M33/M33MD3EXTERNAL VIEWANTENNAAMGNDFM75AUXINPUTLR+-L-+RFRONTSPEAKERS(6-16W)Tuner assy *(W02-)Cover(F07-1728-02) Metallic cabinet *(A01-)Pin jack (E63-1038-05)Lock terminal board(E70-0057-05)*Refer to parts list on page 36. AC power cord bushing *(J4

12、2-)AC power cord *(E30-)How to open the CD tray when it does notcome out.1. Insert a flat driver and so on to a square hole in themechanism as shown in the figure.2. Push a rack gear in the direction of arrow.(At this time, the tray comes out slightly frontward).3. The tray can be opened with hand.R

13、XD-M33/M33MD4BLOCK DIAGRAMAM 0dB=180mVFM 0dB=600mV:75kDEV.0dB=1.2V:1kHz0dB=1.2V:1kHz0dB=580mV(315Hz)REC IN 0dB=1.8V:1kHz300mVVOL300mV+23.8dBMDTUNERCD-6dB-6dB0INPUT VOL.AUXTAPEREF.-4dB00 to -14dB(VARIABLE)SELECTORINPUT VOL. MAIN VOL.10 to -16dBLOUDNESS+-10dBBASS.MID.TREMAIN VOL.20 to -64dB.INFINITY.J

14、601AMFMA.OUTPB AMP REC AMPBIAS ADJ.VR1.2PLL DOSA CESA DATASA CLKSDSTREC/PLAYBEAT CANCELCRO2-SWPHOTOSOLREC-RREC-FPACK-SWPLAY-SWD.OUTA.OUT(ONLY E TYPE)FR DRFF DRTR DRTF DRSR DRSF DR TESL DFSL DRSP DRSP DFTR KRTR KF ABFC SRFC SFPDLDDCFESQSOSQCKCDDATACDCLKSCORSENSSCLKXLATD.INA.INA.OUTMD DATALOADDSTBMDST

15、PDOWNMDRSTDSCKSEARCHKDATADSTBLOADMD DATALDCDIGITAL ANALOGDATACLKCEA.MUTE ON/STANDBYSW MUTESUB WOOFER OUTRXD-SJ3MD ONLY+-B+B+FL DRIVER+MDMD.DIGITALLEDFL DRIVERPRE.AMP+TUNERCASSETTE DECKCDK1ON/OFF+u-COMSTND-BY LEDTACT KEYAC INREMOCON. MODULEBACK UP CIRCUITK1A/B-2A/B-1 B1/2FETUNERFLATMD PLAYTAPE RECMD

16、RECTAPE PLAYAUX INE.VOLINPUTVOL.AMPCDAUX INE.VOLIC601TONEM61510FPTUNER PACKERASEREC/PLAYW02-277XW02-278XHA12230NTIC1TRAPBIASOSCBIASD40-1716-05DECK MECHADIGITAL OUTRXD-M33 ONLYA601DSPIC22MN662748RPMFADACCD TEXTMAIN u-COMIC701MN101C49HLC orMN101C49KLBREMOCON MODULEA501S518ROTALY ENCODERLEDKEYFL DRIVER

17、IC501IC502RDS ICFLED501HNA-16MM30TAN4801SB4ch BTL DRIVERIC23RF-AMPAN8806SBMIC21CD MECHAD40-1714-05MD MECHA UNITD40-1715-05MDM-07LEVEL SHIFTTD74LV1G08AX29,IC27IC1 LM4766TPOWER AMPPROTECTIONHEADPHONE OUTJ1J3D101IC1POWER AMP.Q101-35VAVRD120IC102+5VAVRAVRIC102+5VD119AVR+9VAVRIC101+9VQ102FILPRIMARYRELAY+

18、5.4VAVRIC1X00D10-13D1orT1LEVEL DIAGRAM(X29- )(X28- )(X29- )RXD-M33MD-S/M33MD-L/M33MD-NRXD-M33E-S/M33E-L/M33E-NRXD-M33-S/M33-L/M33-NRXD-M33/M33MD7CIRCUIT DESCRIPTIONSetDestinationBandReceiving Frequency RangeChannel SpaceIFRFK,PK1FM87.5MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1700kHz10kHz+450kHz10kHzE,T

19、,HE3FM87.5MHz108.0MHz50kHz+10.7MHz25kHzE2RDSAM531kHz1602kHz9kHz+450kHz9kHzM,Y,XE1FM87.5MHz108.0MHz50kHz+10.7MHz25kHzAM531kHz1602kHz9kHz+450kHz9kHzM,YK2FM87.5MHz108.0MHz100kHz+10.7MHz25kHzAM530kHz1610kHz10kHz+450kHz10kHzFrequencyFrequencyP.CHK1(K,P TYPE)K2(M,Y TYPE)E1/E3P.CHK1(K,P TYPE)K2(M,Y TYPE)E1

20、/E3(E,E2,T,H,M,Y,X)(E,E2,T,H,M,Y,X)1FM 98.30MHzFM 98.30MHzFM 98.30MHz16FM 98.00MHzFM 98.00MHzFM 98.00MHz2FM 87.50MHzFM 87.50MHzFM 98.00MHz17FM 98.50MHzFM 98.50MHzFM 98.50MHz3FM 89.10MHzFM 89.10MHzFM 87.50MHz18FM 87.50MHzFM 87.50MHzFM 87.50MHz4FM 108.0MHzFM 108.0MHzFM 89.10MHz19AM 990kHzAM 990kHzAM 9

21、90kHz5FM 90.00MHzFM 90.00MHzFM 108.0MHz20FM 97.40MHzFM 97.40MHzFM 97.70MHz6FM 87.50MHzFM 87.50MHzFM 90.00MHz21AM 530kHzAM 530kHzAM 531kHz7FM 87.50MHzFM 87.50MHzFM 87.50MHz22FM 87.50MHzFM 87.50MHzFM 87.50MHz8AM 1610kHzFM 87.50MHzFM 87.50MHz23FM 87.50MHzFM 87.50MHzFM 87.50MHz9AM 1700kHzAM 1610kHzAM 16

22、02kHz24FM 87.50MHzFM 87.50MHzFM 87.50MHz10AM 1000kHzAM 1000kHzAM 999kHz25FM 87.50MHzFM 87.50MHzFM 87.50MHz11AM 630kHzAM 630kHzAM 630kHz26FM 87.50MHzFM 87.50MHzFM 87.50MHz12AM 1440kHzAM 1440kHzAM 1440kHz27FM 87.50MHzFM 87.50MHzFM 87.50MHz13FM 106.0MHzFM 106.0MHzFM 106.0MHz28FM 87.50MHzFM 87.50MHzFM 8

23、7.50MHz14AM 530kHzAM 530kHzAM 531kHz29FM 87.50MHzFM 87.50MHzFM 87.50MHz15FM 87.50MHzFM 87.50MHzFM 87.50MHz30FM 106.0MHzFM 106.0MHzFM 106.0MHz1. Initializing1-1 Initialization MethodWhile pressing the POWER key, turn the AC on.1-2 Initialization OperationDuring the initial operation, the display show

24、s “INITIALIZE“ and after that it will be returned to standby condition.If any mechanisms error occurred, the error indication is displayed as “ERR“ on the display.1-3 Mechanism Initializations1CD MechanismIf a mechanism error occurred, the error indication is displayed as “C ERR“ on the display.2Dec

25、k MechanismIf a mechanism error occurred, the error indication is displayed as “X ERR“ on the display.3MD MechanismIf a mechanism error occurred, the error indication is displayed as “M ERR“ on the display.The disc will be unloaded from MD mechanism automatically, if a disc is its in.2. Tuner Destin

26、ation3. Tuner Preset FrequencyRXD-M33/M33MD8CIRCUIT DESCRIPTIONX28,IC1RXD-M33MD onlyDECK SYSTEM IC (HA12230NT)HA12230NTDOTDRIVER(M66005-001FP)Vaccume FluorescentDisplay (HNA-16MM30T)DSPIC(MN662748RPMFA)CD MECHA.(KSM213)MD MECHAMDM-076X29,IC134551X29,ED501X29,IC6012X29,IC701MN101C49KLBorMN101C49HLCX2

27、9,IC22TUNER PACKPLLICSYSTEM IC(M61510FP)DECK MECHA.(ADR-2176TR3)6333X29,IC5022RDS IC (E/TTYPE)(BU1923F)22KEY1,2KEYX29,A501REMOTEX29,S518ENCODER4. Microprocessor : MN101C49KLB or MN101C49HLC(X29,IC701)4-1 Microprocessor Periphery Block DiagramPort No.Port NameI/ODescriptionACTIVEHL1GND-Connected to g

28、round.2PHIDeck reel sensor input.3TN TYPEIDiscrimination of tuner destination.4SLEVELIRDS signal level input. (RDS version only)5CD PROTECTIDetection port for CD protection.6MD BACKVIDetection port for MD back up voltage.7,8KEY2,KEY1IA/D key (1,2) input.9NO USE-Unused.10VREF-A/D reference voltage in

29、put for the A/D converter.11VDDIPower supply input (+5V).12OSC2OMain clock output (8.38MHz).13OSC1IMain clock input (8.38MHz).14GND-Connected to ground.15XIITimer clock input (32kHz).16XOOTimer clock output (32kHz).17GND-Connected to ground.18MD TXDOMD communication TX .(to mecha. u-com RX)19MD RXDI

30、MD communication RX .(to mecha. u-com TX)20NC-Unused.21FL SDATAOData output to FL dot driver.22NC-Unused.23FL SCLKOClock output to FL dot driver.24FL RESETOReset output to FL dot driver.RESET25FL CEOCE output to FL dot driver.26REMIRemote control signal input.27MODEL TYPEIDiscrimination port for mod

31、el type.FIXED28CD BLKCKISub code synchronous signal input. LH : Interrupt29RDSCLKIRDS clock input. (E/T version only)30,31ENC A,BIVolume encoder (A/B) input.32VDD2IPower supply input (+5V) for flash ROM writing.33RESETIReset signal input for microcomputer.RESET34CEIBack up detection input.AC OnAC Of

32、f35CL SWIInput port of close switch for CD tray.4-2 Port Description of MicroprocessorUsed for RXD-M33MD only.RXD-M33/M33MD9CIRCUIT DESCRIPTIONUsed for RXD-M33MD only.Port No.Port NameI/ODescriptionACTIVEHL36SLT SWICD start limit switch input.37XRSTOCD DSP reset output.RESET38OP SWIInput port of ope

33、n switch for CD tray.39,40NC-Unused.41VPPIMicrocomputer power supply (+5v).42MDATAOCD DSP command data output.43STATICD DSP status signal input.44MCLKOCD DSP command clock signal output.45MLDOCD DSP command load signal output.46SUBQICD sub code input.47SQCKOClock output for CD sub code.48EEP SDA-Unu

34、sed.49EEP SCL-Unused.50HP INIDetection port for headphones jack.51OPENOControl port of CD tray motor.52CLOSEOControl port of CD tray motor.53MD CEIDetection port for MD back up.54MD RSTIReset output from MD mechanism.55INI MD SW-Unused.56BACK CHK-Unused.57BACK ON-Unused.58MD IN SWILoad switch input

35、for MD disc.59NC-Unused.60PLAY SWIDetection switch input of head position for deck.61CrO2 SWIDetection switch input of CrO2 tape for deck.62HALF SWICassette half switch input.63REC F SWIDeck forward recording switch input.OFFON64CPMOControl port of capstan motor for deck.65REC R SWIDeck reverse reco

36、rding switch input.OFFON66SOLOControl port of solenoid for deck.67LMUTEODeck lien mute control.ON68A/B-1ODeck recording mute & head select control 1.69A/B-2ODeck recording mute & head select control 2.70B/OControl port of recording equalizer for deck.71NOROSwitching port of bias (NOR/CrO2) for deck.

37、72BIASOControl port of bias on/off for deck.ONOFF73R/PODeck recording & playback changeover.RECORDINGPLAYBACK74BEAT COOn/off control port of beat cancel for deck.ONOFF75NC-Unused.76EVCLKOSound controller clock output.77EVDATAOSound controller data output.7880NC-Unused.81LED STBY GRNOStandby led (gre

38、en) control port.OFFON82LED STBY REDOStandby led (red) control port.OFFON83,84NC-Unused.85CD POWEROCD DSP power on/off changeover control.ONOFF86SP RLYOOn/off control port for speaker relay.87AMUTEOAudio mute output.88POWEROPower relay control.89PROTECTIONIDetection port for power supply protection.

39、90RDS DATAIRDS data input. (RDS version only)91TU MUTEOTuner mute control.92EMPHASIS-Unused.93STIStereo detector input.94SDISD detector input.95GND-Connected to ground.96PLL DATAOPLL IC data output.97PLL CLKOPLL IC clock output.98PLL DOIPLL IC data input.99PLL CEOPLL IC chip enable output.100DAVDDID

40、/A converter positive voltage.4-2 Port Description of MicroprocessorRXD-M33/M33MD5CIRCUIT DESCRIPTIONKEYSDISPLAYOPERATION4 Seconds RecordingTAPE RECIf the REC/ARM key is pressed, the system record for 4 seconds.(RXD-M33MD)Then, it rewinds to the REC starting position and plays back automatically.TAP

41、EIf the REC/ARM key is pressed, during the 4 seconds REC operation, theTAPE O.T.E.system records further for 4 seconds, then returns to the starting position of(RXD-M33)the first 4 seconds REC operation and plays back.SOUNDBeat-C ONBeat cancel will be on while pressing the sound key.MENUNormal Indic

42、ationChangeover the EQ. On/off cyclically.TEST MODESETTING METHODCD MODECD PLAY key+AC ONMD MODE (M33MD only)MD PLAY Key + AC ONDECK MODETAPE PLAY key + AC ON (RXD-M33MD)TAPE FWD PLAY + AC ON (RXD-M33)SUB CLOCK OSCSTOP key + AC ONDIAGNOSISKEYSDISPLAYOPERATIONCD-PLAY/PAUSE05 :Tracking-servo on.(:)Tim

43、e Display(Cyclically changed the mode03 :Tracking-servo off.05 and 03 by pressing the key.)(:)Time DisplayCD STOP01 -:-Stop the CD operation.Adjustment value/mean value(Cyclically changed in the07FG/FEFG value /FE valuestop mode only.)08FB/FOFBAL value /FO value09TG/TETG value /TE value10TB/TOTBAL v

44、alue /TO valueSKIP UPEx.0102Track number up.SKIP DOWNEx.0201Track number down.SKIP UPUsual IndicationPlay the first track number in the stop mode.SKIP DOWNUsual IndicationPlay the last track number in the stop mode.CD FF search.REPEATFFThe pickup travels outward in the stop mode.CD FB search.SOUNDFB

45、The pickup travels inward in the stop mode.5. Test Mode5-1 Setting method of the Test ModeWhile pressing the “below each“ key in the table, turn the power switch on.The oscillation diagnosis (existence of oscillation and measurement of period) of a sub clock is performed before the testmode is enter

46、ed. If the diagnosis result is OK, the system enters the test mode.If the diagnosis result is NG, the oscillation of the sub clock is diagnosed again. If the result is OK, the system enters the testmode. If the diagnosis result is continuously NG 5 times, the system stops with “ERR1“ and “ERR2“ disp

47、layed.5-2 Cancel of the test modeBy turning the AC off, the system is initialized and the test mode is canceled.Cancel the test mode only if the power switch is turned off.5-3 Contents of the Test ModeThe 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 an ordinary operation by using the keyson the main body, specifically as shown in the following tables.5-4 CD Test Mode5-5 Deck Test ModeRXD-M33/M33MD6CI