Kenwood-RXDA83-cs-sm 电路图 维修手册.pdf

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1、MINI HiFi COMPONENT SYSTEM RXD-803/803E/853/853E/A83 SERVICE MANUAL (XD-803A83)* 2000-5/B51-5622-00 (K/K) 3633 70% DISC1 DISC2 DISC3 STANDBY TIMER DISPLAY/DEMO MENU SELECTBACKENTER SOUND CONTROL TUNING MODE M U L T I C O N T R O L REC/ARM REVERSE MODETAPE EQ. PHONES DISC SKIP OPEN/ CLOSE E X . B A S

2、 S PUSH OPEN PUSH OPEN DECK PLAYA DECK REC/PLAY B VOLUME CONTROL I/ Panel assy (A60-1771-31) Knob (K29-7721-04) Panel (A29-1082-12) Front glass (B10-3582-02) Knob (K29-7722-04) Phone jack (E11-0280-05) In compliance with Federal Regulations, following are repro- ductions of labels on, or inside the

3、product relating to laser product safety. *Refer to page 2 if you want to know system configuration. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO B

4、EAM Illustration is RXD-853(M). RadioFans.CN 收音机爱 好者资料库 Unplug the power cord from the power outlet then, while holding the ENTER key depressed, plug the power cord again. Please note that resetting the microcomputer clears the stored contents and returns to the factory set condition. Operation to r

5、eset The microcomputer may fall into malfunction (impossibility to operate, erroneous display, etc.) when the power cord is unplugged while power is ON or due to an external factor. In this case, execute the following procedure to reset the microcomputer and return it to normal condition. (Main unit

6、 only) ENTER FM indoor antenna (1)AM loop antenna (1)Remote (T90-0836-05)(T90-0852-05) (T90-0837-05) (A70-1367-05): RC-853.KPMXY (A70-1368-05): RC-853E.TEE2 Battery cover (A09-1151-08) control unit (1) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regio

7、ns where use is necessary.) AC (E03-0115-05) plug adaptor (1) Batteries (R6/AA) (2) Surround speaker system Surround speaker (2) Speaker cord (2) Speaker stabilizer (8) Center speaker (1) Speaker cord (1) Speaker stabilizer (4) SYSTEM CONFIGURATION Cautions RXD-803/803E/853/853E/A83 2 CONTENTS / ACC

8、ESSORIES CONTENTS / ACCESSORIES / CAUTIONS. 2 EXTERNAL VIEW.3 DISASSEMBLY FOR REPAIR.3 BLOCK DIAGRAM .4 CIRCUIT DESCRIPTION.5 ADJUSTMENT.11 PC BOARD . 13 SCHEMATIC DIAGRAM . 19 EXPLODED VIEW .35 PARTS LIST.37 SPECIFICATIONS .Back cover Contents Accessories SYSTEMMAIN UNIT DESTINATIONSPEAKERSP CORD P

9、ARTS No.SPEAKERSP CORD PARTS No. XD-803RXD-803ELS-N523E30-5829-08CRS-N503E40-5542-05 XD-803ERXD-803EE2LS-N523E30-5829-08CRS-N503E40-5542-05 XD-853RXD-853YMXTELS-N573E30-5829-08CRS-N553E40-5542-05 XD-853ERXD-853EE2LS-N573E30-5829-08CRS-N553E40-5542-05 XD-853(M3)RXD-853MLS-N573(M3)E30-5829-08CRS-N553E

10、40-5542-05 XD-A83RXD-A83KPLS-N573E30-5829-08CRS-N553E40-5542-05 RadioFans.CN 收音机爱 好者资料库 RXD-803/803E/853/853E/A83 3 EXTERNAL VIEW AC 220- 240V AC 110- 120V GND FM 75 AM ANTENNA + - FRONT SPEAKERS DIGITAL OPTICAL (6-16 ) RL L R FRONT +- SURROUND SPEAKERS (12-16) R L SUPER WOOFER PRE OUT CENTER SPEAKE

11、R ( 6-16) OUT CENTER SURROUND SUB WOOFER 6CH. INPUT Lock terminal board (E70-0052-05) Cover (F07-1692-01) Metallic cabinet (A01-3739-11) Slide switch (S62-0001-05) Pin jack (E63-0095-05) Lock terminal board (E70-0045-05) Pin jack (E63-0116-05) Pin jack (E63-1008-05) Oscillating module (W02-1114-15)

12、Lock terminal board (E70-0046-05) Illustration is RXD-853(M). DISASSEMBLY FOR REPAIR BOTTOM SIDE HOW to open the tray if not comes out. (1) Turn the friction arm counterclockwise using a screw driver and the like. (2) Pull out the tray frontwards by hand when the tray comes just out. RadioFans.CN 收音

13、机爱 好者资料库 BLOCK DIAGRAM CLK PLL-CLK PLL-CE PLL-DO SD ST PLL-DATA S-LEVEL DE-EMPH R/P Lch-OUT Rch-OUT +12V REC PBAMP AMP 5V (600mV) DECK (1.2V) CD (1.2V) Lch-OUT Rch-OUT DIGITAL OUT DATA POWER RELAY XIN XOUT XCIN XCOUT (10MHz) (32.768KHz) MAIN CLOCK TIMMER CLOCK MPXCLK DATA u-COM TUNER + + C1,C2 A,B C

14、ANCEL BEAT OUT IN PROTECTION ATT MUTE BEEP + PRO LOGIC 5V TUNER DECK CD VIDEO DATA CLK LIN LOUT RIN ROUT COUT SOUT IFCK DSP CS IFDI ACK + + 5V 9V + + + + 3STEREO VIRTUAL STANDBY TIMER LED CONTROL DATA CLK STB RST Sch Cch MUTEATT. -10dB Lch Rch 1M A120/70 A/B B1/2 LBASS2 SE CLK S4 LTRE LSELO LIN LBAS

15、S1 SE DATA SE CE C OUT S OUT S3 S2 S1 C1 C2 C4 C3 SE CE SE DATA SE CLK +12V + + + + + + + + + S.CchSP HP-DET MUTEATT. -10dB CD DECK 6ch INPUT 0dB -6dB 0dB TUNER VIDEO-6dB 0dB INPUT ATT. (RECK=H) R/PERASE SURROUND OSC BIAS BIAS TRAP BA3126N CXA1498S OTHER ch H.P. Rch Lch RF AMP AN8806SB PICKUP/ LOADI

16、NG DRIVER CD DSP KEY (X13) TUNER PACK FM75 ANT B DECK (X28) DECK MECHA IC2 IC1 IC12 RDS INPUT ATT. M62498FP L,RCH IN IC1 CD MECHA CDM-35 DIGITALOUT (OPTICAL) MAIN u-COM M30622MA-A42FP (X13) Q3 Q1 IC1 -10dB MUTE IC2 IC4 (X14) AMP AM J1 DEMODULATOR J2 LOUDNESS INPUT SELECTOR INPUT VOL. MAIN VOL. 3BAND

17、 TONE L/R FRONT VOL. SUB (X32) P HEAD SW PLAY/REC PLAY BACK /REC EQ. A DECK 14,16 IC3 J2 SPEAKERS (X14) AMP BASS REVISE CIRCUIT AC/DC PROTECTION SLch SRch X1 X2 GND 5V AVR D33 D32 GND 40V AVR -35V AVR 12V Q38 Q34 AVR 9V Q31 5V AVR Q32 5V AVR X13,Q8 DECK (BIAS) TUNER DRIVER LOADING PICKUP DRIVER CD D

18、SP.RF AMP CONTROL IC ELECTRIC VOL -40V FIL 12V MAIN FIP IC1 ED1 KEY1-3 BASS VOLUME FIP DRIVER REMOCON INTERFACE BACKUP u-COM Q13, CN2 IC11 MID TRE SELECTOR Zin=100K DOLBY DSP IC14 OTHER CH VIDEO/6CH 400mV IN Cch IN 6CH SLch IN 6CH SRch IN 6CH SUB WOOFER 6CH (X14) DECK (MECHA) DOLBY PL DSP AVR 5V ELE

19、CTRIC VOL (C,Sch) (L,Rch) DOLBY PL DSP RDS DECK CD D5 GND -HB +HB +LB -LB HNA-15MM18T J4 Cch AMP AMP IC2 IC2 Q8Q6 IC1 IC13 VOLUME ELECTRIC J3 S.W. PRE-OUT Q5Q7 SPEAKERS (X07) E/T TYPE ONLY RXD-A83/803/803E/853/853E E/T/M/X DESTINATION RXD-803/803E/853/853E/A83 4 RXD-803/803E/853/853E/A83 5 CIRCUIT D

20、ESCRIPTION 1. Initialization 1-1 Setting of the Initial Conditions While pressing the ENTER key, plug the AC cord into AC wall outlet. 1-2 Initializing Operation A Microcomputer is initialized for start when the AC power is turned on when pressing the ENTER key. At that time, CD and cassette mechani

21、sms are also initial- ized. During the initial conditions, the display shows *INITIAL- IZE* and after that it will be returned to standby condition. 1-3 Initial Items (1) AMPLIFIER POWER ON/STANDBYSTANDBY VOLUME14 BALANCECENTER INPUT SELECTORTUNER SOURCE DIRECTOFF MUTEOFF AUTO POWER SAVEOFF AUX INPU

22、T LEVEL-1 AUX INPUT MODE2ch(EXCEPT E,E2,T) DISPLAY MODEAUTO (2) TUNER BANDFM FREQUENCYLOWEST FREQUENCY AUTO/MONOAUTO PRESET CHANNEL ch (3) CASSETTE DECK REVERSE MODEREVERSE TAPE A/BB TAPE DIRECTIONFORWARD (4) CLOCK CLOCK0:00(E,E2,T)/12:00am(OTHER) Program Timer Recoding ON TIME 0:00(E,E2,T)/12:00(OT

23、HER) OFF TIME 0:00(E,E2,T)/12:00(OTHER) Program Timer Play ON TIME 0:00(E,E2,T)/12:00(OTHER) OFF TIME 0:00(E,E2,T)/12:00(OTHER) Program on ModeOFF SLEEP TIMEROFF (5) Equalizer EqualizerOFF CUSTOM EQ.13FLAT EX. BASSON DSPOFF SURROUNDOFF 1-4 Mechanism Initialization 1-4-1 CD Mechanism If a mechanism e

24、rror occurs C is indicated on the dis- play. 1-4-2 DECK mechanism When the initial condition becomes NG for the third time,decide the error. The error condition is displayed as X on the display. 1-4-3 Error display If both mechanism (CD/DECK) error occur, the display is indicated as follows. CXERR S

25、etTypeBAND Receving Frequency Range Channel Space I F RF FM87.5MHz108.0MHz100kHz+10.7MHz 25kHz K,PK1 AM530kHz1700kHz 10kHz +450kHz 10kHz FM87.5MHz108.0MHz100kHz+10.7MHz 25kHz M,YK2 AM530kHz1610kHz 10kHz +450kHz 10kHz FM87.5MHz108.0MHz 50kHz+10.7MHz 25kHz M,Y, XE1 AM531kHz1602kHz 9kHz +450kHz 9kHz FM

26、87.5MHz108.0MHz 50kHz+10. 7MHz 25kHz E,E2 E1 RDSAM531kHz1602kHz 9kHz+450kHz 9kHz FM87.5MHz108.0MHz 50kHz+10.7MHz 25kHz MW531kHz1602kHz 9kHz +450kHz 9kHzT E2 RDS LW153kHz72 9kHz 9kHz +450kHz 9kHz 2. Destination List of Tuner RXD-803/803E/853/853E/A83 6 CIRCUIT DESCRIPTION AUX MODEAUX key+AC-ON TUNER

27、MODETUNER(BAND) key+AC-ON TAPE MODETAPE A() key+AC-ON CD MODEDISC3 key+AC-ON MENU key+AC-ON SUB CLOCK OSC DIAGNOSIS The oscillation diagnosis(existence of oscillation and measurement of period) of a sub clock is per- formed before the test mode is entered. If the diagnosis result is OK, the system e

28、nters 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 timesthe system stops with ERR1 and ERR2 displayed. 3. Test Mode 3-1 Setting of the Test Mode 3-

29、2 Cancel of the test mode By turning the power off, the system is initialized and the test mode is canceled. 3-3 Contents of the Test Mode 3-3-1 Tuner Test mode 3-3-2 Aux Test Mode 3-3-3 Deck Test Mode KEYDISPLAYOPERATION SELECTNormal indication10 20 30 00 (- -) MENUNormal indication AUTO STEREO MAN

30、UAL MONO BACKTUNING DOWN SOUND CONTROL Normal indication TUNING UP TUNING MODEP. ch DOWN ENTER Normal indication P. ch UP DISPLAY/DEMOFL indication ONFL indication OFF 50Hz CD OPEN/CLOSE50Hz/50100Hz/75 100Hz KEYDISPLAYOPERATION ToneMAXMAX MIN CENTER DISC 1ToneMIN ToneCENTE DISC 2Normal indicationAUX

31、 LEVEL MAX AUX LEVEL MIN DISC 3Normal indicationLch MAX Rch MAX CENTER EX.BASSNormal indicationEX. BASS ON EX. BASS OFF KEYDISPLAYOPERATION * Mechanism SW Detection If the REC/ARM key is pressed, the system record for 4 seconds. Then, it rewinds to the REC starting position and plays back automatica

32、lly. If the REC/ARM key is pressed, during the 4 seconds REC operation, the system records fur- ther for 4 seconds, then returns to the starting position of the first 4 seconds REC opera- tion and plays back. REC/ARMNormal display HALF SWDISPLAYHALF SWDISPLAY A PACK SWT (The first dot)A CrO2 SWA (Th

33、e second dot) B PACK SWP (The third dot)B RVS REC SW E (The forth dot) B FWD SWT (The sixth dot)B CrO2 SWE (The seventh dot) A PLAY SWMoon (Segment) B PLAY SWSun(Segment) CIRCUIT DESCRIPTION KEYDISPLAYOPERATION CD-PLAY/PAUSE05 : *Tracking-servo on. (Change the mode 03 :Tracking-servo off. alternatel

34、y by the stop key.) DISC 101 :STOP Adjustment value/mean value (Cyclically changed in the07TB value FB value stop mode only.)08TG value FG value 09TO value FO value STOP01 : Stop (Press it 1time.) Cancel the test mode. (Press it 2 times.) TAPE EQEx. 0102CD track no. up. TAPE EQCD FF search. (Press i

35、t more than 400msec.)The pickup travels outward. REVERSE MODEEx. 0201CD track no. down. REVERSE MODECD FB search. (Press it more than 400msec.)The pickup travels inward. 3-3-4 CD Test Mode X28,IC1 DECK SYSTEM IC (CXA1498S) CD MECHA (CDM-35) 6 X14,IC1 3 3 5 50 X14,ED1X13,IC11 M30622MC-A70FP 2 Vaccume

36、 Fluorescent Display (HNA-15MM18T) X32,IC12TUNER PACK DSP IC (MN662748RPMFA) X13,IC12 RDS IC (E, T, Q) (BU1923F) DECK MECHA (CMAT2Z) SYSREM IC (M62498FP) PLL IC (LC72131) DOT DRIVER (LC75711NED) 4. Microprocessor : M30622MC-A70FP(X13,IC4) 4-1 Microprocessor periphery block diagram RXD-803/803E/853/8

37、53E/A83 7 CIRCUIT DESCRIPTION Input VoltageKEY1KEY2KEY3 (V)Pin97Pin95Pin94 0.000.26POWEREX. BASSREV. MODE 0.270.81DISPLAY/DEMOKEY OFFREC 0.821.37TUNING MODECD PLAY/ PAUSETAPE EQ. 1.381.94MENUBANDOPEN/CLOSE 1.952.51SOUNDTAPE BDISC SKIP 2.523.07BACKTAPE ADISC 3 3.083.62SELECTAUXDISC 2 3.634.16ENTERSTO

38、PDISC 1 4.174.73 4.735.00KEY OFFKEY OFFKEY OFF 4-2 Key Matrix Pin No.Pin NameI/ODescription ACTIVE HL 1SLEVELIRDS signal level input. 2CE2IBackup detection input 2.AC ONAC OFF 3SDISD detection input. 4STIStereo detection input. 5PLL CEOPLL IC The value shown in ( ) is the voltage mea- sured at the m

39、oment of STOP. CAUTION: For continued safety, replace safety critical com- ponents only with manufacturers recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk

40、of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. 2SA1286-T11 2SA954 2SA992 2SC1845 2SC2003 2SC2878 2SC3940A 2SC2785 DTC143TSA UN4112 DTC143TUA UN5111 U

41、N5216 2SA1576A 2SB1218A 2SD1819A 2SB1370 UN4212 UN4216 UN4219 KTA1268 KTC3200 2SB1412F5 ADUWYAAACVXZAB SCK REDY XLAT RVDT XS24 VDD 1 VSS 4 53 54 55 56 T.P T.P SI 49 50 51 52 46 47 48 T.P AVD 2 R OUT AVD 4 AVS 4 VSS 3 42 43 44 45 41 VSS 6 BCK LRCK VSS 5 57 58 59 XMST T.P 60 61 T.P 62 63 T.P 64 4 T.P

42、T.P T.P 2 1 3 8 T.P T.P T.P VSS O 6 5 7 VSS 1 VDD O TSTO T.P 10 9 11 TST4 TST3 TST2 TST1 13 12 15 14 XRST 16 BFOT A VSS 3 L OUT AVD 1 AVD 3 CSL2 VSS 2 CSL1 24 23 22 21 20 19 18 17 T.P T.P T.P T.P 65 T.P 66 67 T.P T.P 68 69 T.P 70 71 T.P T.P VDD 2 VSS 7 72 73 74 75 T.P T.P 76 77 T.P 78 79 T.P 80 XTLI

43、 AVS 2 LO2 R IN XS OUT AVD 6 AVS 6 AVS X 40 39 38 37 36 35 34 AVS 1 AVS 5 AVD X XTLO XC OUT L IN AVD 5 LO1 33 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 DT CE VSS TEST L OUT L4 L3 L2 L1 NC 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 CL VDD NC R OUT R4 R3 R2 R1 NC 1 2 3 4 5 6 7 8 QU

44、AL RDS DATA VREF MPX A VDD A VSS C IN SC OUT 16 15 14 13 12 11 10 9 RDS CLK T57 OSCO OSCI D VDD D VSS TEST TSTLD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 OPEN SW CLOSE SW GND TD SW TU SW OPEN CLOSE RTL RTR CD 9V CD GND DC OFF SLT SW CD-Lch A GND CD-Rc

45、h CD PROT MCLK M DATA MLD BLKCK SQCK SUBQ D MUTE STAT XRST GND +5V RHTR PS SW D +5V OUT GND NC 17 16 15 14 13 12 1110987654321 HP-R HP-L F RELAY BEEP MUTE ATT CS RELAY PROTECTION SELF CHECK B. CONT Cch Sch +12V Rch A.GND Lch +12V GND AM FM(300) FM(75) ST SD FM-DET S-LEVEL Lch Rch GND PLL CE PLL DATA

46、 PLL CLK PLL DO DE-EMPH/MONO X4 1M R346 1000P C352 5 6 8 7 2 3 4 1 3P C313 2 3 4 1 33.8MHz 10u50 + C327 1.2K R323 100K R321 5.6K R325 1.2K R324 100K R322 10u50 + C328 5.6K R326 3P C337 0.1 C305 0.1 C307 100P C314 R304 15K C316 100P 22K R302 330P C318 33K R306 R308 1M 15K R303 C315 100P R301 22K C317

47、 330P R305 33K 1M R307 C330C329 2200P1000P 1000P C331C332 2200P 8.2K R327 R341 100K R342 100K 8.2K R328 C354 10P C333 47P R329 47K R330 47K C334 100P 3.3u50 + C336 3.3u50 + C335 220 R220 220 R219 R331 100K R332 100K 3.3u50 + C88 100 R76 100u10 C112 + 100P C46 1K R75 100P C132 1/4W R340 100K 2.2u50 +

48、 C350 3.3K R310 10K R312 10K R314 330P C322 220 R84 1u50 + C326 12K R316 47P C126 15K R318 C320 1000P C324 330P C346 R333 C309 220 220 220 R320 C341 100P R337 C342 0.1 R335 R336 4.7K 47P 47K 100P 47P C345 220 R334 35 36 26 37 0.1 C312 5 6 8 7 2.2u50 + C351 3.3K R309 15K R317 R339 100K 330P C321 10K R311 10K R313 1u50