Kenwood-RXDM55-cs-sm 电路图 维修手册.pdf

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1、70% MICRO HI-FI COMPONENT SYSTEM RXD-M55-H/M55-N/M55-S 2002-4 PRINTED IN KOREA B51-5790-00 (K/K) 3729 * Refer to parts list on page 25. In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relating to laser product safety. KENWOOD-Corp. certifies t

2、his equipment conforms to DHHS Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM. Front glass * (B10-) Knob * (K29-) Cassette lid * (A53-) Miniature Phone jack (E11-0399-05) Panel assy * (A60-) Knob * (K2

3、9-) RXD-M55E-H/M55E-N/M55E-S SERVICE MANUAL Front glass * (B10-) RadioFans.CN 收音机爱 好者资料库 RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES . 2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.4 BLOCK DIAGRAM .5 CIRCUIT DESCRIPTION.6 ADJUSTMENT.16 WIRING DIAG

4、RAM.18 PC BOARD .19 SCHEMATIC DIAGRAM .24 EXPLODED VIEW .33 PARTS LIST.35 SPECIFICATIONS .Back cover Contents AC Plug Adaptor (1) (E03-0115-05) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) FM indoor antenna (1) (T90-085

5、5-05): V (T90-0877-05): EE1E2E3E4E5KK1 M2H1H2T2T3M1X1X2 AM loop antenna (1) (T90-0852-05): V (T90-0893-05): EE1E2E3E4E5KK1 M2H1H2T2T3M1X1X2 Remote control unit (1) (A70-1568-05): EE1E2E3E4E5H2T2T3H1 (A70-1569-05): KK1M1M2VX1X2 Batteries (R6/AA) (2) Accessories Cautions 1 Remove the CD from the unit.

6、 2 Press the CD 6 key. 3 Wait for some time and verify that the display appears as above. 4 Wait a few seconds and turn the unit OFF. Note related to transportation and movement Before transporting or moving this unit, carry out the follow- ing operations. Operation to reset The microcomputer may fa

7、ll into malfunction (impossibil- ity to operate, erroneous display, etc.) when the power cord is unplugged while unit is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condi- tion. Unplug the power cord from the power

8、 outlet, then while holding the POWER or key depressed, plug the power cord again. Please note that resetting the microcomputer clears the contents stored in and it returns to conditio n when it left the factory. or After resetting the microcomputer, the display will show as follow: The marking of p

9、roducts using lasers (For countries other than U.S.A., U.S.-Military and Canada) The marking of this product has been classified as Class 1. It means that there is no danger of hazardous radiation outside the product. Location: Back panel CLASS 1 LASER PRODUCT CAUTION VISIBLE LASER RADIATION WHEN OP

10、EN. DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS. Inside this laser product, a laser diode classified as Class 3A laser radiation is contained as alerted by the internal caution label shown above. Do not stare into beam or view directly with optical instruments. RadioFans.CN 收音机爱

11、 好者资料库 RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 3 EXTERNAL VIEW DIGITAL OUT OPTICAL AUX INPUT LR GND AM ANTENNA FRONT SPEAKERS (6-16 ) L -+ R FM 75 Metallic cabinet * (A01-) AC power cord * (E30-) Lock terminal board * (E70-) Pin jack (E63-1264-05) AC power cord bushing (J42-) Tuner assy * (W02-)

12、Oscillating module (W02-1114-15) * Refer to parts list on page 25. RadioFans.CN 收音机爱 好者资料库 RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 4 DISASSEMBLY FOR REPAIR How to open the CD tray when it does not come out. 1. Insert a flat driver and so on to a square hole in the mechanism as shown in the figure

13、. 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 by hand. RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 5 BLOCK DIAGRAM AM 0dB=180mV FM 0dB=600mV:75kDEV. 0dB=1.2V:1kHz 580mV 300mV 300mV +34dB TUNER CD0dB 0dB INPUT VOL. AUX

14、 TAPE-2dB SELECTOR INPUT VOL. MAIN VOL.1 0 to -78dB MAIN VOL.2 0 to -18dB AM FM A.OUT PB AMP REC AMP VR1.2 PLL DO SA CE SA DATA SA CLKSD ST REC/PLAY BEAT CANCEL PHOTO SOL CPM REC-R REC-F PACK-SW PLAY-SW D.OUT A.OUT (ONLY E,T,H TYPE) FC DR TR DR SP DR SL DR TE SL DF SL DR SP DR SP DF TR KR TR KFA B F

15、C SR FC SF PD LD D C F E LDC DATA CLK CE A.MUTEON/STANDBY + -B +B FL DRIVER + PRE. AMP LED FL DRIVER ON/OFF + u-COM STAND-BY LED TACT KEY AC IN REMOCON. MODULE BACK-UP CIRCUIT X14,K401 FE + + L1,2 +9.0V 0dB CASSETTE DECK CD TUNER TUNER FLAT TAPE REC TAPE PLAY AUX IN E.VOL INPUT VOL. AMP CD AUX IN E.

16、VOL X29,IC601 LC75343M TUNER PACK ERASE REC/PLAY HA12230NT IC1 TRAP BIAS OSC BIAS DECK MECHA DIGITAL OUT X29,A601 DSP X29,IC22 MN6627482WB DAC MAIN u-COM X29,IC701 REMOCON MODULE X14,A501 X14,S516 ROTALY ENCODER LED KEY FL DRIVER X14,IC501 X29,IC801 RDS IC FL ED501 4ch DRIVER IC23 RF-AMP AN8399SA-E1

17、 IC21 CD MECHA X29,Q111-114 POWER AMP PROTECTION J2 X29,D3 POWER AMP. X29,Q13 -30V AVR X29, +5V AVR AVR IC101 +9V FIL PRIMARY RELAY +5.4V AVR IC402 D403 X14, -8dB ATT. X29,J601 LOUDNESSBASS,MID,TRE TONE 10dB EX BASS Q1,2 K1 HEAD- OUT PHONE REC OUT BIAS ADJ. Q15-18 Q5 X29,X29, X14, GAIN DISTRIBUTOR V

18、OL. MAIN X29, Q10 LEVEL DIAGRAM (X28- ) RXD-M55 W02-2919-05 (M TYPE) W02-2920-05 (OTHERS) RXD-M55 RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 6 CIRCUIT DESCRIPTION FrequencyFrequency P.CH K1(K,P TYPE)K2(M,V TYPE) E1/E3P.CH K1(K,P TYPE)K2(M,V TYPE) E1/E3 (E,E2,T,H,M,V,X)(E,E2,T,H,M,V,X) 1FM 98.30MHzFM

19、 98.30MHzFM 98.30MHz16FM 98.00MHzFM 98.00MHzFM 98.00MHz 2FM 108.0MHzFM 108.0MHzFM 108.0MHz17FM 98.50MHzFM 98.50MHzFM 98.50MHz 3FM 89.10MHzFM 89.10MHzFM 89.10MHz18FM 87.50MHzFM 87.50MHzFM 87.50MHz 4FM 87.50MHzFM 87.50MHzFM 87.50MHz19AM 990kHzAM 990kHzAM 945kHz 5FM 90.00MHzFM 90.00MHzFM 90.0.0MHz20FM

20、97.40MHzFM 97.40MHzFM 97.40MHz 6FM 87.50MHzFM 87.50MHzFM 87.50MHz21AM 530kHzAM 530kHzAM 531kHz 7FM 87.50MHzFM 87.50MHzFM 87.50MHz22FM 87.50MHzFM 87.50MHzFM 87.50MHz 8AM 1610kHzFM 87.50MHzAM 1503kHz23FM 87.50MHzFM 87.50MHzFM 87.50MHz 9AM 1700kHzAM 1610kHzAM 1584kHz24FM 87.50MHzFM 87.50MHzFM 87.50MHz

21、10AM 1000kHzAM 1000kHzAM 999kHz25FM 87.50MHzFM 87.50MHzFM 87.50MHz 11AM 630kHzAM 630kHzAM 621kHz26FM 87.50MHzFM 87.50MHzFM 87.50MHz 12AM 1440kHzAM 1440kHzAM 1350kHz27FM 87.50MHzFM 87.50MHzFM 87.50MHz 13FM 106.0MHzFM 106.0MHzFM 106.0MHz28FM 87.50MHzFM 87.50MHzFM 87.50MHz 14AM 530kHzAM 530kHzAM 531kHz

22、29FM 87.50MHzFM 87.50MHzFM 87.50MHz 15FM 87.50MHzFM 87.50MHzFM 87.50MHz30FM 106.0MHzFM 106.0MHzFM 106.0MHz TypeE/E2/T/HK/PM/VX Voltage Range4.2V5.0V2.6V4.1V1.4V2.5V0.71.3V SetDestinationBandReceiving Frequency Range Channel IFRF Space K/PK1 FM87.5MHz108.0MHz100kHz+10.7MHz25kHz AM530kHz1700kHz10kHz+4

23、50kHz10kHz E/T/HE3FM87.5MHz108.0MHz50kHz+10.7MHz25kHz E2RDSAM531kHz1602kHz9kHz+450kHz9kHz M/X/VE1 FM87.5MHz108.0MHz50kHz+10.7MHz25kHz AM531kHz1602kHz9kHz+450kHz9kHz M/VK2 FM87.5MHz108.0MHz100kHz+10.7MHz25kHz AM530kHz1610kHz10kHz+450kHz10kHz 1. Initializing 1-1 Initializing Method While holding down

24、the POWER key, plugged in the power cord to AC power wall outlet. 1-2 Initializing Operation During the initial operation, the display shows RESET and after that it will be returned to standby condition. If any mechanisms error occurred, the error indication is displayed as ERR in the display. 1-3 M

25、echanism Initializations 1CD Mechanism If a mechanism error occurred, the error indication is displayed as C ERR in the display. 2Deck Mechanism If a mechanism error occurred, the error indication is displayed as X ERR in the display. 2. Tuner Destination Pin 3 of microcomputer (X29, IC701). 3. Tune

26、r Preset Frequency RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 7 CIRCUIT DESCRIPTION 8th Dot(Display)1st figure2nd figure3rd figure 4th figure MechanismFWD REC InhibitRVS REC InhibitCassette HalfTape Play Half SwitchDetection SWDetection SWDetection SWDetection SW ONBlankBlankBlankBlank OFFEEEE KeysD

27、isplayOperation 4 Seconds Recording If the REC/ARM key is pressed, the system record for 4 seconds. Then, it rewinds to the REC starting position and plays back automatically. TAPE RECTAPEIf the REC/ARM key is pressed, during the 4 seconds REC operation, the system records further for 4 seconds, the

28、n returns to the starting position of the first 4 seconds REC operation and plays back. SOUNDBeat-C ONBeat cancel will be on while pressing the sound key. KeysDisplayOperation CD-PLAY/PAUSE05 : Tracking-servo on. (Cyclically changed the mode( : )Time Display Pickup moves inward. 05 and 03 by pressin

29、g the key.)03 : Tracking-servo off. (for checking TE) ( : )Time Display Pickup moves outward. CD STOP00 : 00Stop the CD operation. Adjustment value/mean value (Cyclically changed in the07 FG/FEFG value /FE value stop mode only.)08 FB/FOFBAL value /FO value 09 TG/TETG value /TE value 10 TB/TOTBAL val

30、ue /TO value SKIP UPEx.0102 Track number up. SKIP DOWNEx.0201 Track number down. SKIP UPUsual Indication Play the first track number in the stop mode. SKIP DOWNUsual Indication Play the last track number in the stop mode. Test ModeKeysSetting Method CD MODECD PLAY key DECK MODETAPE PLAY Insert the A

31、C cord to AC wall SUB CLOCK OSCMODE keyoutlet while holding down the DIAGNOSISleft key. 4. Test Mode 4-1 Setting method of the Test Mode The oscillation diagnosis (existence of oscillation and measurement of period) of a sub clock is performed before the test mode is entered. If the diagnosis result

32、 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 test mode. If the diagnosis result is continuously NG 5 times, the system stops with ERR1 and ERR2 displayed. 4-2 Cancel of the test

33、 mode Initialized and cancel the test mode if pulling out the power cord. Cancel the test mode 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

34、different from an ordinary operation by using the keys on the main body, specifically as shown in the following tables. 4-4 CD Test Mode 4-5 Deck Test Mode Mechanism half switches indication The mechanism half switches status are indicated blank or E in the display. RXD-M55-H/M55-N/M55-S/M55E-H/M55E

35、-N/M55E-S 8 CIRCUIT DESCRIPTION X28,IC1 DECK SYSTEM IC HA12230NT X14,IC501 FL DRIVER (MN12510F) DECK MECHA. X14,ED501X29,IC601 SYSTEM IC (LC75343M) X29,IC701 MN101C51FGB X29,IC22TUNER ASSY DSP IC (MN6627482WB) PLL IC X29,IC801 CD MECHA. (KSM213) RDS IC (E/T TYPE) (BU1923F) KEYREMOTEENCODER KEY1,2X14

36、,A501X14,S516 Vaccume Fluorescent Display (HNA-14MS07T) Voltage 00.891.552.002.613.023.473.955.00 Range Key 1ON/ AUXTUNER SKIP STOP CDSKIPCD (off) (Pin 5)STANDBYDOWNPLAYUPOPEN Key 2 RECSETMODEO.T.E. TAPE REPEATSOUND(off) (Pin 6)PLAY 5. Microcomputer : MN101C51FGB(X29,IC701) 5-1 Microcomputer Periphe

37、ry Block Diagram Key Matrix VREF =5.0V RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 9 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description Active HL 1VREF-Power supply (-) for A/D converter. 2PHIDeck reel sensor input. 3TN TYPEIDiscrimination of tuner destination. 4S LEVELIRDS signal level input. (E/

38、T version only) 5,6KEY1,KEY2IA/D key (1, 2) input. 7A LEVELIUnused. 8THIUnused. 9CD PROTECTIDetection pin of CD protection. 10VREF+-A/D reference voltage input of the A/D converter. 11VDDIPin for power supply (+5V). 12OSC2OMain clock output (8.388MHz). 13OSC1IMain clock input (8.388MHz). 14VSS-Conne

39、cted to be ground. 15XIITimer clock input (32.768kHz). 16XOOTimer clock output (32.768kHz). 17MMOD-Connected to be ground. 18SDIOData output to FL driver. 19SDOIData input from FL driver. 20SCLKOClock output to FL driver. 21MLDOCD DSP command load signal output.Load 22SUBQICD sub code input. 23SQCKO

40、CD sub code clock output. 24CL SWIInput pin of close switch for CD tray.Closed 25RESETIReset signal input for microcomputer.Reset 26CEIBack up detection input.AC OnAC Off 27OP SWIInput pin of open switch for CD tray.Opened 28CD POWEROON/OFF control pin for CD DSP power.ONOFF 29XRSTOCD DSP reset outp

41、ut.Reset 30SLT SWICD start limit switch input. L : Start Limit Position 31REM CONTROLIRemote control signal input. 32NO USE-Unused. 33RDSCLKIRDS clock input. (E/T version only) 34CE2IDetection pin of voltage drop. 35CD BLKCKISub code block clock input. 36MDATAOCD DSP command data output. 37STATICD D

42、SP status signal input. 38MCLKOCD DSP command clock signal output. 39CLOSEOControl pin of CD tray motor. 40OPENOControl pin of CD tray motor. 41HP IIDetection pin for headphones jack.Detected 42FLASH UC 1IPower supply for flash ROM. 43FLASH UC 2IPower supply for flash ROM. 44EVOL CEOChip enable outp

43、ut of electronic volume (X29, IC601). 45EVOL.CLKOClock output of electronic volume (X29, IC601). 46EVOL.DATAOData output of electronic volume (X29, IC601). 47POWER RLYOPower relay control.ON 48,49N.C.-Unused. 50FLASH WRITEIUnused. 51N.C.-Unused. 52PLL CLKOPLL IC clock output. 53PLL DO/STIPLL IC data

44、 input. 54PLL DATOPLL IC data output. 55PLL CEOPLL IC chip enable output. 5-2 Port Description of Microcomputer RXD-M55-H/M55-N/M55-S/M55E-H/M55E-N/M55E-S 10 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description 1BCLK-Unused. 2LRCK-Unused. 3SRDATA-Unused. 4DVDD1-Digital power supply. 5DVSS1-Digital

45、ground. 6TXODigital Out output. 7MCLKICPC command clock signal input. 8MDATAICPU command data signal input. 9MLDICPU command load signal input. L : Load 10SENSE-Unused. 11FLOCK-Unused. 12TLOCK-Unused. 13BLKCKOSub code block clock output. 14SQCKISub code Q data clock input pin. 15SUBQOSub code Q data

46、 signal output pin. 16DMUTE-Connected to be ground. 17STATOStatus signal output. 18RSTIReset signal input. 19SMCK-Clock signal output (unused). 20PMCK-Clock signal output (unused). 21TRVOTraverse stop signal output. 22TVDOTraverse control pin. 23PCOSpindle motor on signal output. 24ECMOControl signa

47、l output for spindle motor. 25ECSOControl signal output for spindle motor. Pin No.Pin NameI/OPin Description Active HL 56SDISD detector input.Detected 57TU MUTEOTuner mute control.Mute ON 58PLAY SWIDetection switch input of head position for deck.Playback 59REC R SWIDeck reverse recording switch input.OFFON 60REC F SWIDeck forward recording switch input.OFFON 61HALF SWICassette half switch input.Detected 62BEAT COON/OFF control pin of beat cancel for deck.ONOFF 63R/PODeck recording & playback chang