Kenwood-RXDV313-cs-sm 电路图 维修手册.pdf

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1、MINI HiFi COMPONENT SYSTEM RXD-V313 SERVICE MANUAL 1998-8/B51-5463-00 (K/K) 376 (XD-V313) In compliance with Federal Regulations, following are reproduc- tions of labels on, or inside the product relating to laser product safety. KENWOOD-Crop. certifies this equipment conforms to DHHS Regulations No

2、. 21 DFR 1040. 10, Chapter 1, Subchapter J. DANGER : Laser radiation when open and interlock defeated. AVOID DIRECT EXPOSURE TO BEAM Refer to RXD-251/301/301E/301W/351/351E/351W/371S/A3 service manual(B51-5454-00), if you require mechanism operation description in detail. Please replace with the new

3、 pcb and/or mechanism on CD player if it doesnt work. DISC 1DISC 2DISC 3 0 764 ROCK FLAT EX.BASS POP JAZZ AB 317/08317/08 MC1 MC2 MIN MIN MAX MAX MIC VOLUME ECHO LEVEL STANDBY VIDEO CD HIT MASTER INPUT ON/STANDBY TIMER SET CLOCK DISPLAY /DEMO AUTO/MONOTIMER BAND TUNING PHONES UP DOWN AUTO PRESET MAN

4、UAL PRESET RECORDING/ PLAYBACKPLAY BACK DISC SKIP Panel(CD) (A60-1579-08) Front glass (A29-1048-08) Knob (K29-7535-08) Knob (K29-7534-08) Knob (K29-7519-08) Knob (K29-7518-00) Jack(H/P) (E11-0386-08) Knob (K29-7516-08) Cassette lid(R) (A53-2104-08) Front glass(L) (B10-3451-08) Front panel (A60-1575-

5、08) Knob (K29-7533-08) Knob (K29-7512-08) Indicator led lens (B19-1602-08) Knob (K29-7521-08) Knob (K29-7522-08) Knob (K29-7523-08) Cassette lid(L) (A53-2103-08) Front glass(L) (B10-3450-08) Knob (K29-7515-08) Knob (K29-7511-08) Jack(MIC) (E11-0387-08) Knob (K29-7549-08) Knob (K29-7513-08) RXD-V313(

6、K) COVER1,1( 98.12.11 9:46 yW 2 RadioFans.CN 收音机爱 好者资料库 123 456 789 0 +10 SLEEP/ CLOCK LIGHT DISPLAY EQ. REPEAT RANDOMP.MODECHECKCLEAR DIGESTZOOMFREEZEHIT MASTER HIGH SPEED PLAYAUTO PAUSESLOWMEMORY STOP MUTEINPUT AUTO PBCMULTIPLEXAUTO/PAL/NTSCON SCREEN DISC SKIP OPEN/CLOSEPOWER EX.BASS SELECT 1 TUNI

7、NG BAND76 4 P.CALL VOLUME REMOTE CONTROL UNIT RC-V313 FM indoor antenna (1) AM (T90-0815-08) loop antenna (1) AC (E03-0115-05) plug adaptor (1) Remote (A70-1261-08) : RC-V313 control unit (1) Batteries (R6/AA) (2) Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory on

8、ly for regions where use is necessary.) (T90-0801-05) Operation to reset The microcomputer may fall into malfunction (impossibility to oper- ate, 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

9、 reset the microcomputer and return it to normal condition. Press the POWER key while holding the Stop (7) key of the CD section pressed, to switch off the power, and then switch the power on again after a few seconds. Please note that resetting the microcomputer clears the contents stored in and re

10、turns and to condition when it left the factory. RXD-V313 2 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS / ACCESSORIES / CAUTIONS.2 EXTERNAL VIEW.3 BLOCK DIAGRAM .4 CIRCUIT DESCRIPTION.5 ADJUSTMENT.8 WIRING DIAGRAM.10 PC BOARD .11 SCHEMATIC DIAGRAM .15 EXPLODED VIEW .26 PARTS LIST.27 SPECIFICATIONS .B

11、ack cover Contents Accessories Cautions RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 3 RadioFans.CN 收音机爱 好者资料库 RXD-V313 3 EXTERNAL VIEW 1 2 BEAT CANCEL + + SPEAKERS (616 ) FM 75 AM ANTENNA GND AC 220240VAC 110120V R AUX INPUT AUX OUTPUT VIDEO OUTPUT L L L R R Antenna terminal(4p) (E70-0070-08) Slide switc

12、h (S62-0083-08) Phono jack (E63-1076-08) 1P rca jack (E63-1075-08) Slid switch beat cancel (S62-0057-08) Lock terminal board (E70-0108-08) RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 6 RadioFans.CN 收音机爱 好者资料库 RXD-V313 4 BLOCK DIAGRAM CONTROL A/B PLAY AMP ALCPLAY R/P OSC BIAS (Q209,L201) 205 Q203, Q204, 2

13、06 Q201Q202 TAPE OUT TAPE OUT REC OUT REC IN DECK A/B SW Q213 B+ PRESET EQ. PRE-AMP IC403 RL501 Q406, 407 MUTE SYSTEM 415 VOL1(-10dB) ATTENUATOR Q414, POWER AMP IC501 +VCC -VCC Q504-506 DETECTOR IC502 SPEAKER PROTECTOR +12V 512 Q511, MUTE JACK SPEAKER HEADPHONES +5.6V Q702 +7.5V+12V Q701 Q704 +VCC S

14、WITCHED to XFORMER -12V Q707 +12V -VCC CN701 D702 D701 Q705, 706 Q703 LCD DISPLAY IC601 u-COM KEY MATRIX to CD PCB CN401 to MAIN PCB MIX BUFF AMP TUNE AM ANT GND FM ANT AMP AM RF TUNE OSC ANT RF IFT PLL L.P.F Q107,108 AMP RF IC201 u-COM AMP Q106 IFTCF1 IF FILTER AM SECTION AM FM SECTION CF2 OUT RC I

15、C102 TUNE FM RF FM OSC Q102 GND IC01 LA9241M RF SIGNAL PROCESSING/SERVO AMP COMPACT DISC PLAYER DIGITAL SIGNAL CD POWER DRIVER IC04 BA5936S MPEG u-COM IC03 LC867240A IC02 LC78630E XTL01 16.9344MHz NJM4558L OP AMP M MOTOR DISC MOTOR FEED M TRAY MOTOR T/T MOTOR SW LIMIT IN OUTPUT AUDIO CONTROL SW S01-

16、04 Rch Lch u-COM ANALOG SIGNAL PROCESSOR(ASP) DSP to VCD BLOCK to FRONT PCB STANDBY SW Q501-503 TUNER AUX CD CONTROL AMP IC404 D/ACLK CONTROLSRAM A/D LPF LPF BUFFMIX AMP MIC MIC VR ECHO VR SW LOGIC IC301 Q301Q302 EX-BASS CN002 from CD-DSP PCB LC865632A IC005 OSD LC74772V IC004 LC78010E VIDEO ENCODER

17、 2SC2785 VIDEO BUFFER Q001 Q002 2SC2785 FILTER 2SA1175 Q003 VIDEO O/P IC15 CPU I/F CD-ROM DECODER SYSTEM DECODER MPEG AUDIO DECODER DECODER MPEG VIDEO DRAM ARBITER MPEG DECODER LC74201E IC001 CPU PLL+VCO 54MHz CN001 IC02 (from CD DSP LC78630E) 4MBIT DRAM IC003 UPC424260G5-60-7JF NTSC/PALL SELECTOR f

18、rom CN002 from MPEG CN404 VIDEO OUT JK402 MIC (1/2) IC401 412 Q411, MUTE OUT AUX 305 Q304,Q306, 307 R/P SWITCHING AMP REC CE DI CL 24 23 20 19 16 14 1 2 5 9 11 23 3,28 2,29 1,30 + + FOCUS TRACKING + CL CE DI 1,30 2,29 3,28 4,27 5,26 8 1 6,9 1 R C B A C 3,13 PTS MPEG AUDIO START TRIGGER 16.9344MHz CD

19、 DSP CLOCK TRACK 1 INFORMATION YUV 17.734475MHz PAL/ 14.31818MHz NTSC/ MPEG VIDEO PTS MPEG BIT STREAM + IC201 FM RF IC101 TUNER UNIT CD MECHA. UNIT AUDIO UNIT/DISPLAY UNIT RXD-V313 IC402 IC302IC303 MPEG UNIT RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 7 RXD-V313 5 CIRCUIT DESCRIPTION No.NameI/ODescriptio

20、n Active HL 1CEILC7218, LC75392 CE out 2RESET-OUTOReset out IC03 (LC867240A)O 3DIILC7218, LC75392, LC78211 data out 4DOOData output to LC7218 5CLKILC 7218, LC75392, LC78211 clock out 6DATA-OUTOSerial data out to LC867240A 7DATA-INISerial output of SUBQ 80BIT 8CLK-OUTOClock output 9N/CONo used 10STB-

21、OUTOStrobe out 11BUSY-INIBusy input 12RESETIReset signal inputO 13POWER-DOWNIPower down inputO 14GNDGND 15VSSVss 16X1Xtal 6.0MHz 17X2Xtal 6.0MHz 18VDD1Vdd 1924K1K6IKey input (K1K4),K5/K6 (No used) 25MODE-SW2IModel discrimination 26MODE-SW1IModel discrimination 27, 28GNDIGND 29REMOTE INIRemote signal

22、 inputO 30VR +IVR encoder input A 31VR -IVR encoder input B 32PIC-UPIPick-up SW 33PIC-DOWNIPick-down SW 34DISC-COUNTIDisc counter SW 35TURNTABLE-SWITurntable SW 36TRAY-OPENITray open SW 37TRAY-CLOSEITray close SW 38TURNTABLE MOTOR +OTurntable motor (+)O 39TURNTABLE MOTOR -OTurntable motor (-)O 40TRA

23、Y MOTOR +OTray motor control (+)O 41TRAY MOTOR -OTray motor control (-)O 42MOTOR SPEEDOMotor speed controlNorDown 43LED HIT MASTEROLED control (hit master)O 44TUNERO 45CDO 46AUXO 47TAPEONo usedO 48FLATO 49ROCKO 50JAZZO 51POPO 5255S1-S4OSegment out (14) 56VDD2Vdd 57VSS2Vss 5879S5S26OSegment out (526)

24、 8082BIAS31GND 1. Microprocessor : (IC601, LC867224A-5H95) 1-1. Pin description RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 10 No.NameI/ODescription Active HL 1N/P SEL OUTONTSC/PAL sel out to IC004 (LC78010E)O 2RESET OUTOIC001 (LC74201JE) reset out 3DIIDI (IC001, LC74201JE)/SIN (IC005, LC74772V) 4DOODO (

25、IC001, LC74201JE) 5CLIClock (IC005, LC74772V) 6DATA OUTOData out to IC601 (LC867724A) 7DATA INIData input from IC601 (LC867724A) 8SCKIClock out from IC601 (LC867724A) 9STB INIStrobe input from IC601 (LC867724A) 10BUSY OUTOBusy out to IC601 (LC867724A) 11MIRQIMIRQ (LC74201JE)O 12RESETIReset input 13,

26、 14I/PVss 15VSSVss 16, 17CF1/CF2Xtal 6.0 MHz 18VDDVdd 19FUNCTION 4/3Vss 208300/8301Vss 21MULTI 9/16Vss 22IM DRAMVss 2326Vss 27WRQISub-code Q input stand by 28, 29Vss 30VIDEO LEDOLED control (Video)O 3137N/CNo used 38VDD CONTROLOMPEG Vdd controlOtherCD 3955N/CNo used 56VDDVdd 57VSSVss 5873No used 74S

27、L +OSled motor control (+)O No.NameI/ODescription Active HL 8386COM-03OFL Common 03 87FM-STEREOIFM stereo signal inputMonoStereo 88SYN RECISynchro start inputO 89VSS3Vss 90VDD3Vdd 91POWER-SWOPower SW outOnOff 92SYS-MUTOSystem mute outOffOn 93TU-MUTOTuner mute outOnOff 94FUNCTION-TAPEONo used 95LCD-B

28、ACK-LIGHTOLCD back light controlOnOff 96N/CINo used 97VR-1OVR step extend out1stepOthers 98REC-MUTEOIC03 (LC867240A) rec out muteOnOff 99EX-BASSOEX-bass controlOnOff 100VOICEOVoice cancel outOffOn 2. MPEG Microprocessor : LC867240A (CD PCB, IC03) 2-1. Pin description RXD-V313 6 CIRCUIT DESCRIPTION R

29、XD-V313(K) COVER1,1( 98.12.11 9:46 yW 11 RXD-V313 7 CIRCUIT DESCRIPTION No.NameI/ODescription Active HL 75SL -OSled motor control (-)O 76SPEED BOSpeed control terminal to IC01 (LA9241) 77SPEED AOSpeed control terminal to IC01 (LA9241) 78AUDIO MUTEOAudio mute controlOnOff 79MUTEOIC04 (BA6536S) mute c

30、ontrolCDOther 80PIC LIMIT SWIPic limit switch inputO 8186Vss 87CQCKOCommand clock output to IC2 (LC78630E) 88DATOCommand output to IC2 (LC78630E) 89VSSVss 90VDDVdd 91SQ OUTISub-code Q input from IC2 (LC78630E) 92RWCOIC02 (LA9241), CE 93RESOChip reset out to IC2 (LC78630E) 94DRFIDRF from IC01 (LA9241

31、) 95, 96N/CNo used 97CEOCE to IC001 (LC74201JE) 98VOEOVOE to IC001 (LC74201JE) 99CSOCS to IC005 (LC74772V) 100RESET OUTOReset outO PORTSW 1SW 2SW 3SW 4SW 5SW 6SW 7SW 8SW 9SW 10 Pin 19PowerInputClockTimerTimerEQ OffRockJazzPop (K1)SetModeSet Pin 20TuningTuningBandAuto/AutoManualEX Bass (K2)UpDownMono

32、PresetPreset Pin 21CDCDDiscDisc 1Disc 2Disc 3Open (K3)AMS +AMS -SkipClose Pin 22CDCD Play (K4)StopPause 4. All LCD light on mode The all LCD light up when the STOP key and TIMER SET key are pressed simultaneously, while the power is ON. When the ON/STANDBY key is pressed, the all LCD light on mode i

33、s canceled. 3. Key matrix RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 14 RXD-V313 8 ADJUSTMENT FM 75 AM ANTENNA GND (A) (C) (D) AM-SG FM-MPX-SG FM-MPX-SG POLAR SG Dummy antenna Oscilloscope AC voltmeter (B) Distortion meter TO TUNER UNIT CN101, pin 9 (Lch) pin 7 (Rch) pin 8 (GND) NO.ITEM INPUT SETTING OU

34、TPUT SETTING TUNER SETTING ALIGNMENT POINTS ALIGN FORFIG. 1.IF (A) 98 MHz,1 kHz MOD 75 KHz (DEV) 60 dBu (ANT INPUT) (B)98MHzT101 Maximum output (Minimum distortion) 2. LOW END TRACKING (A) 87MHz, 1 kHz MOD 75 kHz (DEV) 35 dBu ( ANT INPUT) (B)87MHzL102Maximum output 3. HI END TRACKING (A) 108MHz,1 kH

35、z MOD 75 kHz (DEV) 35 dBu (ANT INPUT) (B)108MHzTC101Maximum output 4.VT Connect the DC voltage meter to TP2. 87.5 MHzL103VT=1.0V0.05V 108 MHz Check the VT=7.0V1.0V NO.ITEM INPUT SETTING OUTPUT SETTING TUNER SETTING ALIGNMENT POINTS ALIGN FORFIG. 1.IF (D) 531 kHz 1 kHz, 30% MOD 60 dBu (ANT INPUT) (B)

36、531 kHzT102 Maximum output (Minimum distortion) 2. LOW END TRACKING (D) 531 kHz 1 kHz, 30% MOD 30 dBu (ANT INPUT) (B)531 kHzL104Maximum output 3. HIGH END TRACKING (D) 1602 kHz 1 kHz, 30% MOD 30 dBu (ANT INPUT) (B)1602 kHzTC102Maximum output 4.VT Connect the DC voltage meter to TP2. 531 kHzL105VT=1.

37、2V0.05V 1602 kHz Check the VT=7.3V1.0V FM SECTION MW SECTION INSTRUMENTS CONNECTION RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 15 RXD-V313 9 ADJUSTMENT NO.ITEM INPUT SETTINGS OUTPUT SETTINGS CASSETTE TAPE DECK SETTINGS ALIGNMENT POINT ALGN FORFIG. Unless otherwise specified : each ; switch should be set

38、 as follows : 0dBs = 0.775V BEAT SW : OFF I. Cassette mechanism section (REC/PB head adjustment) 1 Demagnetization and cleaning Power OFF, demagnetization, cleaning play REC/PB head, erase head. capstan, pinch roller Demagnetize the REC/PB head by head eraser. Clean the REC/PB head, erase head capst

39、an and pinch roller with a cotton swab immersed in alcohol. 2 REC/PB head azimuth MTT-114, TCC-153 SCC-1727 10 kHz, -10dB (A)PLAY Azimuth adjustment screw In a setting wher the output is maximized, adjust the azimuth adjustment screw so that the Lissajous figure appearing on the oscilloscope screen

40、comes near to a line slanted45 Note : The head should be installed in such a manner that it approaches the tape face. II. PC board adjustment Tape speed MTT-111 TCC-100 SCC-1727 3 kHz, -4 dB (A)PLAYSFR201 Adjust so that Frequency is 3 kHz at the center of the tape. Playback level TCC-120 315 Hz 0dB

41、(A)PLAY Approx. -5dBm reference level Recording level Put standard test tape (TCC-120) into B deck. Put standard blank tape into A deck. (A) Dubbing and playback. Approx. -5dBm reference level CASSETTE DECK SECTION Oscilloscope Frequency counter AC voltmeter PIN2 IC401 (A) MAIN UNIT INSTRUMENTS CONN

42、ECTION RXD-V313(K) COVER1,1( 98.12.11 9:46 yW 18 RXD-V313 10 CASSETTE DECK RECORD SWITCH MOTOR UNIT SWITCH A UNIT SWITCH D UNITSWITCH C UNIT CD MECHA. UNIT CD MECHA. ASSY HEADPHONE MIC MIX UNIT AUDIO UNIT DISPLAY UNIT UNIT SENSOR CD CONTROL UNIT UNIT UNIT UNIT SWITCH B TRANSFORMER POWER AC CORD UNIT

43、 MECHA. ASSY MPEG BOARD RXD-V313(M/I) TUNER UNIT CN101 CN03 CN402 FM 75 AM GND JK101 CN101 CN01CN01 CN02CN02 CN05 CN05 CN16CN16 CN06 CN08 CN18CN18 CN205 CN205 CN204CN204 CN206CN206 CN201 CN201 CN202 CN202 CN203 CN203 CN302 MIC1 MIC2 HEADPHONES CN401 CN401 CN601CN601 CN604CN604 CN403 CN403 CN302 CN50

44、1 CN501 SPEAKERS Rch Lch OUT JK501 Rch 2 Lch 1 INPUT JK401 CN701 GND CN19CN19 S701 CN701 T/T MOTOR CN010 CN10 M AUX Rch 4 AUX OUTPUT Lch 3 CN06CN04 M JK402 OUT VIDEO CN002CN001 CN003 CN405 CN405 10 1 6 1 6 1 10 1 1 1515 1 66 11 15 33 11 71 15 15 22 11 1 1 8 8 6 1 6 1 4 1 4 1 31 31 51 51 21 21 61 1 1

45、9 1 19 33 11 3 1 3 1 1 8 1 8 16 5 1 5 1 1 5 2 1 2 1 6 5 4 2 3 1 11 10 PT701 9 8 7 P7 P4 P8 P3 P2 P1 P5 P3 P1 T4AL 250V T2AL 250V P2 P5 P4 P6 P8 240V 220- 110- 120V 50/60Hz 220-240V P7 AC1 AC2 15 ED 121 21 1 111112 112111 1 2 P6 F702 F703 : AC110-120V/(M,I) 1 1 44 WIRING DIAGRAM RXD-V313(K) COVER1,1(

46、 98.12.11 9:46 yW 17 Q408 Q412 IC401 D503 D711 D206 D708 D207 D709 R498 C405 R492 R485 R491 R488R490 J408 C474 C472 R486 R497 R476 R477 C465 R712 C734 J725 R506 C512 J502 J513 C526 C525 C533 R494 R493 R496 C478 C728 C501 R501 J503 C502 R502 R505 C511 R510 R514 J510 C522 R549 C520 R548 R524 C506 R508

47、 J527 R542 R541R540 R220 R250 R217 C214 R214 R212 R238 C510 RR CC R456 R454 J233 C446 R268 R453 C447 R281 C213 R213 R211 R261 R227 R207 R251 R203 J203 J204 C239 R201 R267 J238 R239 C244 CN205 CN206 R241 C233 C245 R249 C231 C230 J202 R202 R247 R248 C528 CN201 C527 JK502 J242 SW201 L202 R243 P2 AC SW

48、PCB AUDIO UNIT HEADPHONE UNIT RECORD SWITCH UNIT AUX OUT AUX IN 1 2 S701 AC110-120V AC220-240V PHONES REC SW BEAT CANCEL L R SPEAKERS AC CORD UNIT P8 P5 P6 P8 F703 T2AL/250V F702 T4AL/250V AC2 AC1 P3 P1 P6 P4 P5 J237 CN201 J205 C240 C209 R215 R222 R221 R223 R253 R224 J212 R252 R219 R517 R539 C470 C418 R483 R414 C