Kenwood-RXDM65-cs-sm 电路图 维修手册.pdf

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1、70% MICRO Hi-Fi COMPONENT SYSTEM RXD-M65V-H/M65V-N SERVICE MANUAL (HM-V655MP-H/V655MP-N) 2002-8 PRINTED IN KOREA B51-5814-00 (K/K) 1897 Panel assy * (A60-) * Refer to parts list on page 30. In compliance with Federal Regulations, following are repro- duction of labels on, or inside the product relat

2、ing to laser product safety. KENWOOD Corp. certifies this 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. Caution : No connection of ground line if disassemble the unit. Plea

3、se connect the ground line on rear panel, PCBs, Chassis and some others. Miniature phone jack (E11-0399-05) Knob * (K29-) Cassette lid * (A53-) Front glass * (B10-) Front glass * (B10-) Knob * (K29-) RadioFans.CN 收音机爱 好者资料库 standby/timer POWER standby/timer Operation to reset The microcomputer may f

4、all 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 powe

5、r 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 condition when it left the factory. or After resetting the microcomputer, the display will show as follow: The marking of p

6、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

7、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. Location: CD lase

8、r pick-up unit cover inside this product FM indoor antenna (1) (T90-0855-05): V (T90-0877-05): MM1XE AM Loop antenna (1) (T90-0852-05): V (T90-0893-05): MM1XE Batteries (R6/AA) (2) Remote control unit (1) (A70-1587-05): MM1XV (A70-1588-05): E AC Plug Adaptor (1) (E03-0115-05) Use to adapt the plug o

9、n the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) RXD-M65V-H/M65V-N 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES . 2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.4 BLOCK DIAGRAM .5 CIRCUIT DESCRIPTION.6 ADJUSTMENT.13 INTERCONNECTION DIAGRA

10、M .15 PC BOARD . 16 SCHEMATIC DIAGRAM . 21 EXPLODED VIEW .28 PARTS LIST.30 SPECIFICATIONS .36 Contents Accessories Cautions SYSTEM CONFIGURATIONS SYSTEMMAIN UNITDESTINATIONSPEAKER HM-V655MP-HRXD-M65V-HEMXLS-M65V-H HM-V655MP-NRXD-M65V-NVLS-M65V-N RadioFans.CN 收音机爱 好者资料库 RXD-M65V-H/M65V-N 3 EXTERNAL V

11、IEW DIGITAL OUT OPTICAL AUX OUT LR FRONT SPEAKERS (6-16 ) -+ L R ANTENNA GND AM FM 75 AUX IN VIDEO OUT AC 110 - 120V AC 220 - 240V Tuner assy * (W02-) Metallic cabinet * (A01-) Slide switch * (S62-0001-05) AC power cord bushing * (J42-) Cover (F07-1766-02) AC power cord * (E30-) Lock terminal board

12、(E70-0123-15) Pin jack (E63-1277-05) Pin jack (E63-1264-05) Oscillating module (W02-1114-15) * Refer to parts list on page 30. RadioFans.CN 收音机爱 好者资料库 RXD-M65V-H/M65V-N 4 DISASSEMBLY FOR REPAIR DISPLAY BOARD Cushion (not supplied) REAR VIEW Fig.1 Fig.2 Fig.3 DECK BOARD FORWARD REVERSE How to open th

13、e CD tray when it does not come out. 1. Insert a flat driver in to a square hole on the mechanism 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 by hand. How to Adjust the Azimuth of the REC/PLAY

14、 Head (To adjust the azimuth adjustment screws, it is necessary to remove the front glass.) 1. Insert a screw driver into a hole on display board as shown in the drawing. (Fig.1) 2. Push a driver frontward. (Fig.1) 3. Remove a front glass. (Fig.2) 4. Adjust the azimuth adjustment screws. (Fig.3) * R

15、eplace a front glass if scratched. RXD-M65V-H/M65V-N 5 0 to -78dB MAIN VOL.1 BCLK LRCK SRDATA TR KF TR KR FC SR FC SF SL DR SL DF SP DF SP DR SP DR SL DRTR DR FC DR E F PD LD B D C A FE TE (ONLY E TYPE) D. OUT BEAT CANCEL VR1.2 L1,2 AM FM V. OUT A. OUT REC/PLAY REC-R REC-F PLAY-SW PACK-SW CPM SOL PH

16、OTO +9.0V REC AMP PB AMP SA CLK SA DATA A.OUT SA CE PLL DO SD ST INPUT VOL. SELECTOR CE + DATA CLK u-COM CASSETTE DECK PRE. AMP FL DRIVER TACT KEY REMOCON. MODULE STAND-BY LED BACK-UP CIRCUIT LED ON/OFF + AC IN X14,K401 +34dB TUNER -37.5V VCD D+5V VCD A+9V VCD M+7.5V -B +B AM 0dB=180mV 300mV FM 0dB=

17、600mV:75kDEV. 0dB=1.2V:1kHz 580mV TAPE0dB + AUX CD TUNER INPUT VOL. 0dB 0dB 0dB 300mV MAIN VOL.2 0 to -18dB + A.MUTEON/STANDBY FL DRIVER 37.5V + DSPMPEG DECODER X14, IC3 AN22000A RF-AMP CD MECHA 4ch DRIVER AN4801SB IC4 DAC RDS IC X29,IC801 X14,IC501 FL DRIVER ED501 FL X29,IC202 PRE. AMP AUX OUT DECK

18、 MECHA X29,A601 IC1 SERVO u-COM MN6627482WA IC2 DIGITAL OUT VIDEO OUT BIAS ADJ. ERASE REC/PLAY Q15-18 OSC BIAS BIAS TRAP ATT. AUX IN AUX OUT X29,J602 X29,J601 TUNER PACK -8dB IC701 X29, IC6 DAC ES3883 TV ENCODER ES3800FL IC5 Q5 HA12230NT KEY X14,S516 X14,A501 ROTARY ENCODER REMOCON MODULE u-COM MAIN

19、 LED OUT REC E.VOL X29,IC601 IC1 X29,IC101 FIL X29,Q10 RELAY PRIMARY +5.4V X14,IC402 AVR AVR +5V +9V AVR X14,D403 X29,D4 X29,Q111-114 POWER AMP X29,Q106 PROTECTION AMP AUX IN POWER AMP. X29,IC911 AVR +5V CD AUX OUT TAPE REC TUNER TAPE PLAY 0dB X29,IC910 +9V AVR X29,D900 AVR -30V X29,Q13 X29,D3 VOL.

20、INPUT VOL. FLAT EX BASS GAIN DISTRIBUTION LOUDNESS LC75343M E.VOL BASS,MID,TRE 10dB TONE Q1,2 50W : 6ohm EIAJ 10% K1 1kHz J2 HEAD- OUT PHONE W02-2920-15 (E TYPE) W02-2919-15 (M,X,V TYPE) (W02-2949-05) VCD MODULE (X28- ) RXD-M65V BLOCK DIAGRM RXD-M65V-H/M65V-N 6 CIRCUIT DESCRIPTION 1. Initializing 1-

21、1 Initializing Method While holding down 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

22、is displayed as ERR in the display. 1-3 Mechanism Initializations 1 CD Mechanism If a mechanism error occurred, the error indication is displayed as C ERR in the display. 2 Deck Mechanism If a mechanism error occurred, the error indication is displayed as X ERR in the display. Frequency P.CH K2(M,V

23、TYPE)E1/E3(E,E2,T,H,M,V,X) 1FM 98.30MHzFM 98.30MHz 2FM 108.0MHzFM 108.0MHz 3FM 89.10MHzFM 89.10MHz 4FM 87.50MHzFM 87.50MHz 5FM 90.00MHzFM 90.00MHz 6FM 87.50MHzFM 87.50MHz 7FM 87.50MHzFM 87.50MHz 8FM 87.50MHzAM 1503kHz 9AM 1610kHzAM 1584kHz 10AM 1000kHzAM 999kHz 11AM 630kHzAM 621kHz 12AM 1440kHzAM 13

24、50kHz 13FM 106.0MHzFM 106.0MHz 14AM 530kHzAM 531kHz 15FM 87.50MHzFM 87.50MHz 3. Tuner Preset Frequency SetDestinationBandReceiving Frequency Range Channel IFRF Space E/T/HE3FM87.5MHz108.0MHz50kHz+10.7MHz25kHz E2RDSAM531kHz1602kHz9kHz+450kHz9kHz M/X/V/IE1 FM87.5MHz108.0MHz50kHz+10.7MHz25kHz AM531kHz1

25、602kHz9kHz+450kHz9kHz M/V/IK2 FM87.5MHz108.0MHz100kHz+10.7MHz25kHz AM530kHz1610kHz10kHz+450kHz10kHz TypeE/E2/T/HM/VX Voltage Range4.2V5.0V1.4V2.5V0.71.3V 2. Tuner Destination Pin 3 of microcomputer (X29, IC701). Frequency P.CH K2(M,V TYPE)E1/E3(E,E2,T,H,M,V,X) 16FM 98.00MHzFM 98.00MHz 17FM 98.50MHzF

26、M 98.50MHz 18FM 87.50MHzFM 87.50MHz 19AM 990kHzAM 945kHz 20FM 97.40MHzFM 97.40MHz 21AM 530kHzAM 531kHz 22FM 87.50MHzFM 87.50MHz 23FM 87.50MHzFM 87.50MHz 24FM 87.50MHzFM 87.50MHz 25FM 87.50MHzFM 87.50MHz 26FM 87.50MHzFM 87.50MHz 27FM 87.50MHzFM 87.50MHz 28FM 87.50MHzFM 87.50MHz 29FM 87.50MHzFM 87.50M

27、Hz 30FM 106.0MHzFM 106.0MHz RXD-M65V-H/M65V-N 7 CIRCUIT DESCRIPTION * 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 is OK, the system enters the test mode. If the diagnosis result is

28、 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 ERR1and ERR2displayed. Test ModeKeysSetting Method CD MODECD PLAY key DECK MODETAPE PLAY Insert the AC cord to AC

29、wall * SUB CLOCK OSC DIAGNOSISMODE key outlet while holding down the left key. 4. Test Mode 4-1 Setting method of the Test Mode 8th Dot(Display)1st figure2nd figure3rd figure 4th figure MechanismFWD REC InhibitRVS REC InhibitCassette HalfTape Play Half SwitchDetection SWDetection SWDetection SWDetec

30、tion SW ONBlankBlankBlankBlank OFFEEEE KeysDisplayOperation 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, t

31、he system records further for 4 seconds, then 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 Displa

32、y Pickup moves inward. 05 and 03 by pressing 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 the stop mode only.)07 FG/FEFG value /FE value 08 FB/FOFBAL value /FO value

33、 09 TG/TETG value /TE value 10 TB/TOTBAL value /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. 4-2 Cancel of the test mode Initia

34、lized 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 different fr

35、om 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-M65V-H/M65V-N 8 CIRCUIT DESCRIPTION X28,I

36、C1 DECK SYSTEM IC HA12230NT X14,IC501 FL DRIVER (MN12510F) DECK MECHA. X14,ED501X29,IC601 (HNA-14MS07T) Vaccume Fluorescent Display (LC75343M) SYSTEM IC X29,IC701 MN101C51FGD TUNER ASSY VCD MODULE (W02-2949-15) PLL IC X29,IC801 RDS IC (E/T TYPE) (BU1923F) KEYREMOTEENCODER KEY1,2X14,A501X14,S516 Volt

37、age 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 Key Matrix VREF =5.0V 5. Microcomputer : MN101C51F (X29, IC701) 5-1 Microcomputer Periphery Block diagram RXD-M65V-H/M65V-N 9 C

38、IRCUIT 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/T version only) 5,6KEY1,KEY2IA/D key (1, 2) input. 7A LEVELIUnused. 8THIUnused. 9CD P

39、ROTECTIDetection 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-Connected to be ground. 15XIITimer clock input (32.768kHz). 16XOOTimer clock output (32.76

40、8kHz). 17MMOD-Connected to be ground. 18SDIOData output to FL driver. 19SDOIData input from FL driver. 20SCKOClock output to FL driver. 2123N.C.-Unused. 24CL SWIInput pin of close switch for CD tray.Closed 25RESETIReset signal input for microcomputer.Reset 26CEIBack up detection input.AC OnAC Off 27

41、OP SWIInput pin of open switch for CD tray.Opened 28CD POWEROON/OFF control pin for CD DSP power. 29N.C.-Unused. 30VCD u-com ACKI/ODSA Acknowledge 31REM CONTROLIRemote control signal input. 32NO USE-Unused. 33RDSCLKIRDS clock input. (E/T version only) 34RESET2IDetection pin of voltage drop. 35NO USE

42、-Unused. 36PAL/NTSCOTV system selectorAUTO 37VCD u-com DATAI/ODSA data pin for ESS. 38VCD u-com STI/ODSA STB pin for ESS. 39CLOSEOControl pin of CD tray motor to close the tray. 40OPENOControl pin of CD tray motor to open the tray. 41HP INIDetection pin for headphones jack.Detected 42FLASH UC 1IPowe

43、r supply for flash ROM. 43FLASH UC 2IPower supply for flash ROM. 44EVOL CEOChip enable output to electronic volume (X29, IC601). 45EVOL.CLKOClock output to electronic volume (X29, IC601). 46EVOL.DATAOData output to electronic volume (X29, IC601). 47POWER RLYOPower relay control. 4851N.C.-Unused. 52P

44、LL CLKOPLL IC clock output. 53PLL DO/STIPLL IC data input. 54PLL DATOPLL IC data output. 55PLL CEOPLL IC chip enable output. 56SDISD detector input.Detected 57TU MUTEOTuner mute control.Mute ON 58PLAY SWIDetection switch input of head position for deck.Playback 5-2 Pin Description of Microcomputer R

45、XD-M65V-H/M65V-N 10 CIRCUIT DESCRIPTION Pin No.Pin NameI/OPin Description Active HL 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/PO

46、Deck recording & playback changeover.RecordingPlayback 64BIASOON/OFF control pin of bias for deck.ONOFF 65A/B-1ODeck recording mute & head select control 1. 66A/B-2ODeck recording mute & head select control 2. 67MUTEODeck line mute control.ON 68CPMOControl pin of capstan motor for deck. 69SOLOContro

47、l pin of solenoid for deck. 70RDS DATAIRDS data input. (E/T version only) 71PROTECTIDetection pin of the protection for power supply. 72AMUTEOAudio mute output. 73SP RLYOOn/off control pin for speaker relay. 74EEP SDAI/OEEPROM data input/output. 75EEP SCLOEEPROM clock output. 76,77ENC A,BIVolume encoder (X14, S516) signal inputs. 78LED STBY REDOStandby led (red) control pin.OFFON 79LED STBY GRNOStandby led (green) control pin.OFFON 80NCSOChip enable output of FL driver. Pin No.Pin NameI/OPin Description 1IN2IInput pin. 2VCC-Power supply.