JVC-MXJ170V-cs-sm维修电路原理图.pdf

《JVC-MXJ170V-cs-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《JVC-MXJ170V-cs-sm维修电路原理图.pdf（78页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL COMPACT COMPONENT SYSTEM No.20859 Nov. 2000 COPYRIGHT 2000 VICTOR COMPANY OF JAPAN, LTD. MX-J170V Area Suffix US U Singapore Other Areas Safety precautions Important for laser products Preventing static electricity Disassembly method Adjustment method 1-2 1-3 1-4 1-5 1-21 Flow of func

2、tional operation until TOC read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1-25 1-26 1-26 1-27 Contents OPEN / CLOSE STANDBY DISC CHANGE VOLUME PLAYREC/PLAY CD SYNCHRO RECORDING EJECTEJECT PROGRAM/SET COUNTER RESET ACTIVE BASS EX. SOUND MODE CLOCK /TIMER NTSC/PA

3、L AUXFM/AM - VCD NUMBER PRESET VCD NUMBER + CDTAPE TAPE A/B CD REC START A B DUBBING REC/PAUSE CD1CD2CD3 + PLAY open-drain) VSSD133(1)digital ground 1 V2/V334versatile I/O: versatile input 2 or versatile output 3 (open-drain) WCLI35word clock input (for data loopback to DAC) SDI36serial data input (

4、for data loopback to DAC) SCLI37serial bit clock input (for data loopback to DAC) RESET38power-on reset input (active LOW) SDA39microcontroller interface data I/O line (I2C-bus; open-drain output) SCL40microcontroller interface clock line input (I2C-bus) 2. Pin function MX-J170V 1-39 RAB41microcontr

5、oller interface R/W and load control line input (4-wire bus mode) SILD42microcontroller interface R/W and load control line input (4-wire bus mode) STATUS43servo interrupt request line/decoder status register output (open-drain) TEST344test control input 3 (this pin should be tied LOW) RCK45subcode

6、clock input SUB46P-to-W subcode bits output (3-state) SFSY47subcode frame sync output (3-state) SBSY48subcode block sync output (3-state) CL11/44911.2896 or 4.2336 MHz (for microcontroller) clock output VSSD250(1)digital ground 2 DOBM51bi-phase mark output (externally buffered; 3-state) VDDD1(P)52(1

7、)digital supply voltage 1 for periphery CFLG53correction ag output (open-drain) RA54radial actuator output FO55focus actuator output SL56sledge control output VDDD2(C)57(1)digital supply voltage 2 for core VSSD358(1)digital ground 3 MOTO159motor output 1; versatile (3-state) MOTO260motor output 2; v

8、ersatile (3-state) V461versatile output 4 V562versatile output 5 V163versatile input 1 LDON64laser drive on output (open-drain) Function 2. Pin function(2/2) Pin No.Symbol MX-J170V 1-40 TDA7073A(IC805) : Dual BTL power driver 2. Pin function 3. Block diagram SymbolPin No.Function IN1-1negative input

9、 1 IN1+2positive input 1 n.c.3not connected n.c.4not connected VP5positive supply voltage IN2+6positive input 2 IN2-7negative input 2 n.c.8not connected OUT2+9positive output 2 GND210ground 2 n.c.11not connected OUT2+12negative output 2 OUT1-13negative output 1 GND114ground 1 n.c.15not connected OUT

10、1+16positive output 1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 TDA7073A TDA7073AT OUT1+ GND1 P V n.c. IN1 IN1+ n.c. OUT1 OUT2 n.c. GND2 OUT2 + n.c. n.c. IN2 IN2 + 1. Pin layout positive input 1 5 2 VP 1 16I + i 13I i negative input 1 positive output 1 negative output 1 positive input 2 6 7 12 9I + i I

11、 i negative input 2 10 positive output 2 negative output 2 14 ground 1n.c.ground 2 3, 4, 8, 11, 15 SHORT - CIRCUIT AND THERMAL PROTECTION MX-J170V 1-41 TDA7295 (AIC1, 2) : Audio amp. 2.Block Diagram 1.Pin layout 12345678910 STAND-BY GND KA3082 11 1 121134 5 INVERTING INPUT NON INVERTING INPUT SUR N.

12、C. BOOT STARD +US(SIGNAL) -US(SIGNAL) STAND-BY MUTE N.C. N.C. +US(POWER) -US(POWER) OUT + + - + - + + - IN+ IN- +US -US OUTPUT BOOTSTRAP BOOTSTRAP MOS OUTPUT STAGE SHORT CIRCUIT PROTECTION MOS GAIN & LEVEL SHIFTING STAGE BIPOLAR TRANSCONDUCTANCE INPUT STAGE MX-J170V 1-42 SYMBOLPIN.No Function LD1cur

13、rent output to laser diode VDD(L)2laser supply voltage CFIL3external lter capacitor MON4laser monitor diode input DIN5central diode input GND6ground PWRON7power-on select input CMFB8common mode feedback voltage input RFFB9external RF feedback resistor RFEQO10RF amplier output CDRW1gain select input

14、for CD-A/V, CD-R/W EQSEL12equalizer/speed select input (n = 1, 2 or 4) VDD13supply voltage RGADJ14external laser supply gain adjust resistor TZA1024 1 2 3 4 5 6 78 14 13 12 11 10 9 LD VDD(L) CFIL MON DIN GND PWRONCMFB RFFB RFEQO CDRW EQSEL VDD RGADJ TZA1024 (IC024) : Data amplier and laser supply 1.

15、 Pin Layout2. Pin function 3. Block diagram MGR517 250 kHz 8 4 2 1 TZA1024 14 3 7 10 1 12 9 V/I V/I VDD(L) VDD VDD GND 26 VGAP MON 4 (1) DIN 5 CDRW 11 VDD 13 LD CFIL PWRON RGADJ CMFB RFFB RFEQO EQSEL MX-J170V 1-43 UDA1330AT (AI1) : Stereo filter DAC MGL401 DAC UDA1330ATS NOISE SHAPER INTERPOLATION F

16、ILTER VOLUME/MUTE/DE-EMPHASIS CONTROL INTERFACE 14 15 DAC 6 DIGITAL INTERFACE 8 16 9 10 3 2 1 45 11 7 1312 VOUTR BCK VSSA WS VOUTL DATAI VDDA VDDD Vref(DAC) VSSD APPL0 SYSCLK APPL1 APPSEL APPL2 APPL3 3. Block diagram. 1. Pin layout 2. Pin function SYMBOLPINDESCRIPTION BCK1bit clock input WS2word sel

17、ect input DATAI3data input VDDD4digital supply voltage VSSD5digital ground SYSCLK6system clock input: 256fs, 384fs and 512fs APPSEL7application mode select input APPL38application input 3 APPL29application input 2 APPL110application input 1 APPL011application input 0 Vref(DAC)12DAC reference voltage

18、 VDDA13analog supply voltage for DAC VOUTL14left channel output VSSA15analog ground VOUTR16right channel output UDA1330ATS MGL402 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VOUTRBCK VSSAWS VOUTLDATAI VDDAVDDD Vref(DAC)VSSD APPL0SYSCLK APPL1APPSEL APPL2APPL3 Printed in Japan 200011(V) (No.20859) VICTOR C

19、OMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT 10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan MX-J170V ABC 1 2 3 4 5 MX-J170V 2-1 Block diagrams Main section ABCD 1 2 3 4 5 MX-J170V 2-2 PICK-UP DATA AMP & LASER SUPPLY IC024 DIGITAL S

20、ERVO PROCESSOR IC327 SPINDLE MOTOR SLED MOTOR OPEN/ CLOSE MOTOR MOTOR DRIVER MOTOR DRIVER IC073 IC082 NCW3 NCW2 NCW1 SCON3DIGITAL SIGNAL PROCESSOR STEREO FILTER DAC AMPAMP CI 1 AI 1 ALI 1 ARI 1 VIDEO L L R R OPEN/ CLOSE OPEN/CLOSE L L R R VIDEO MAIN section FRONT section VCD sectionCD section CD & V

21、CD section ABCDEFG 1 2 3 4 5 2-3 MX-J170V Audio signal MIC signalVideo signal Front section Standard schematic diagrams SHEET2/5 SHEET2/5 SHEET3/5 SHEET2/5 SHEET3/5 SHEET1/5 HABCDEFG 1 2 3 4 5 2-4 MX-J170V Main signal Tuner signal MIC signal AUX signal CD signal Tape signal Main section Parts are sa

22、fety assurance parts. When replacing those parts make sure to use the specified one. SHEET5/5 SHEET1/5 SHEET1/5 SHEET1/5 SHEET3/5 SHEET2/5 ABCDEFG 1 2 3 4 5 2-5 MX-J170V CD signal Audio signal Video signal CD servo section SHEET 3/5 SHEET 1/5 SHEET 1/5 SHEET 4/5 SHEET 2/5 HABCDEFG 1 2 3 4 5 2-6 MX-J

23、170V Audio signal CD signal Video signal VCD section SHEET 4/5 SHEET 3/5 ABCDEFG 1 2 3 4 5 2-7 MX-J170V FM/TUNER signal AM signal Tuner section SHEET 5/5 TR64 TR63 180(1/2W) HABCDEFG 1 2 3 4 5 2-8 MX-J170V Main board Printed circuit boards ABCDEFG 1 2 3 4 5 2-9 MX-J170V Front board HABCDEFG 1 2 3 4

24、5 2-10 MX-J170V MIC / Headphone board CD servo board ABCDEFG 1 2 3 4 5 2-11 MX-J170V Tuner board HABCDEFG 1 2 3 4 5 2-12 MX-J170V TOP View BOTTOM View VCD board VCD power board MX-J170V 3-1 PARTS LIST * All printed circuit boards and its assemblies are not available as service parts. - Contents - Ex

25、ploded view of general assembly and parts list CD mechanism assembly and parts list CD changer mechanism assembly and parts list Cassette mechanism assembly and parts list Electrical parts list Packing materials and accessories parts list MX-J170V 3- 3 3- 4 3- 5 3- 7 3- 8 3-21 Area suffix US - Singa

26、pore U - Other Areas CA-MXJ170V/SP-MXJ170V MX-J170V 3-2 -MEMO- ABCDEFG 1 2 3 4 5 3-3 MX-J170V 41 44 35 51 40 45 49 52 34 44 44 29 48 45 44 46 32 33 42 37 36 44 38 53 45 44 44 31 48 48 5 6 7 8 10 12 14 11 13 9 4 1 2 3 17 18 39 26 27 28 25 30 24 20 19 22 23 21 18 17 16 15 43 47 CD-Key board Front boar

27、d Tuner board AC primary board VCD board Main board 50 Exploded view of general assembly and parts list Block No.M MM1 3-4 MX-J170V ItemParts numberParts nameAreaA Parts list(General assembly) QtyDescription Block No. M1MM 1AH64-00426CWINDOW1CD 2AH64-00414CCD DOOR1 3AH64-00429CWINDOW-DOOR CD1DOOR,CD

28、 4AH64-00462ABADGE-JVC2JVC 5AH64-00417BKNOB1MIC 6AH63-00107ASHEET-FRONT1 7AH64-00430DWINDOW1VFD 8AH61-00271BCAP-VOLUME1 9AH64-00422BKNOB-VOLUME1VOLUME 10AH64-00427BWINDOW-DOOR A1DOOR A 11AH64-00428BWINDOW-DOOR B1DOOR B 12AH64-00412BDOOR-CASSETTE A1CASS,A 13AH64-00413BDOOR-CASSETTE B1CASS,B 14AH61-62

29、004ASPRING-EJECT A1 15AH61-62005ASPRING-EJECT B1 16AH64-00364DCABINET-FRONT1 17AH61-80030ADAMPER-ASSY2 18AH95-50001AASSY-LATCH2 19AH64-00421BKNOB-RECORD1REC 20AH64-00423BKNOB-DUBBING1DUBBING 21AH64-00420BKNOB-CD OPEN1CD OPEN 22AH64-00415CKNOB1FUNCTION 23AH64-00418CKNOB1PRESET 24AH64-00425CKNOB-DUBBI

30、NG1POWER 25AH67-00035ALENS-POWER1LENS-POWER 26AH64-00440DKNOB1PROGRAM 27AH64-00419AKNOB-KARAOKE1KARAOKE 28AH64-00416AKNOB-DISC CHANGE1DISC CHANGE 29AH64-00432ACABINET-SIDE R1SIDE-R 30AH64-00431ACABINET-SIDE L1SIDE-L 31AH64-30443DCABINET1TOP 32AH61-00021BSUPPORT-PCB1 33AH61-20540BHOLDER1TUNER 34AH64-

31、30416CCABINET-BOTTOM1BOTTOM 35AH64-00366BCABINET1REAR 36AH62-00023CHEAT-SINK-MAIN1 37AN61-00250BBRAKET-H/SINK1 38AH61-00252AHOLDER-VFD1 39AH61-00380ASHAFT-H/PHONE1 40AH62-32002BHEAT SINK1AL3.0T, 41AH61-00278ACAP-REAR1 42AH31-10020AFAN-DC1D0620B-12M,12VD 43AH26-00054BPOWER TRANS A 1115/230V,50/60H 44

32、6003-000275SCREW-TAPTITE333X10 BLK 456003-000276SCREW-TAPPING153X10 46AH60-10182ASCREW-TAPPING2FAN DC 47AH60-00014ASCREW-TAPTITE4TH,S-TITE,M4 486003-000277SCREW113X12 49AH39-10002LPOWER CODE A 1CP2,KLCE-2F,2.1 50AH68-50275DLASER-CAUTION1 51AH68-50482BLABEL-CLASS1-5L1 52AH68-50282DCAUTION LABEL1 53AH

33、61-40014ASUPPORT-RIVET1 1 2 CD mechanism assembly and parts list Block No.M MM2 ItemParts numberParts nameAreaA Parts list(CD mechanism) QtyDescription Block No. M2MM 1AH30-00007APIC UP1SOH-AA,D51SG6(W 2AH91-60150ACDP DECK ASSY1CMS-300D,- ABCD 1 2 3 4 ABC 1 2 3 4 5 MX-J170V 3-5 12 8 2 15 19 7 6 5 4

34、3 1 10 20 17 22 23 25 21 11 9 14 16 13 CD sub board Tray stopper 24 Base main 18 CD changer mechanism assembly and parts list Block No.M MM3 CD mechanism VCD board MX-J170V 3-6 ItemParts numberParts nameAreaA Parts list(CD changer mechanism) QtyDescription Block No. M3MM 1AH66-80022ASLIDER-CAM1 2AH6

35、6-60034ABELY-LOAD1 3AH66-20186AGEAR1 4AH66-20187AGEAR-LOAD1 5AH66-20188AGEAR-CAM1 6AH66-20189AGEAR-TRAY1 7AH66-20190AGEAR-CONVERT1 8AH66-20191AGEAR-SYNCRO1 9AH66-20192AGEAR-WORM1 10AH31-12001AMOTOR-LOADING1 11AH66-20193AGEAR-ROULETTE1 12AH66-90056ATRAY-ROULBTTE1 13AH66-90055ATRAY-DISC1 14AH32-10001E

36、SENSOR1 15AH61-20428A-1BASE MAIN1 163302-000159MAGNET FERRITE1 17AH66-90057ATABLE-CHUCK1 18AH69-20342BSHEET-CHUCK4 193405-000101MICRO SWITCH1 20AH31-10021ADC MORTOR19VDC/130MA, 21AH66-10008APULLEY-MOTOR1CMS-CR3 22AH73-10031ARUBBER-CD2 23AH66-30098ALEVER-LIFTER1 24AH73-10034ARUBBER-CD(G)2GREEN 25AH63

37、-40157BSHIELD-TOP1 MX-J170V 3-7 1 1 6 7 8 8 7 6 2 4 11 11 12 12 9 3 5 15 13 10 5 14 14 Cassette mechanism assembly and parts list Block No.M MM4 ItemParts numberParts nameAreaA Parts list(Cassette mechanism) QtyDescription Block No. M4MM 1AH81-00141AR/P HEAD2TC881CB 2AH81-00142AC.MOTOR ASSY1ADR2400-

38、SHU2L 3AH81-00143AMAIN BELT 11ADR2400-MAIN76. 4AH81-00144AMAIN BELT 21ADR2400-MAIN64. 5AH81-00101ASUB BELT2ADR2400-FR34.7 6AH81-00102ASOLENOIDE2ADR2400-1 7AH81-00282ASPRING2 8AH81-00283APINCH LOLLER2ASSY PARTS 9AH81-00284AE-HEAD1TC2131F 10AH81-00285AMOTOR BRACKET1 11AH81-00286ALEAF SWITCH2ADR2400-MO

39、DE 12AH81-00287APHOTO SENSOR2ADR2400-SENSOR 13AH81-00288ACONNECTOR1ADR2400-16 14AH81-00289ALEAF SWITCH6ADR2400-MXS0022 15AH81-00290AP.C.BOARD1 Note: Parts listed on the Parts List below can be supplied. However, parts that are not listed below cannot be supplied individually but only by purchasing t

40、he whole Cassette Mechanism Assembly Unit. (When ordering, use the Parts No. AH59-20006U for Cassette Mechanism Assembly Unit.) SAM CASSETTE ABCD 1 2 3 MX-J170V 3-8 ItemParts numberParts nameArea Electrical parts list(Main board) Remarks Block No.01 A AC 12401-001954E CAPACITOR AC 22401-001954E CAPA

41、CITOR AC 32401-001912E CAPACITOR AC 42401-001975C CAPACITOR AC 52401-000970E CAPACITOR AC 62202-000821C CAPACITOR AC 82202-000817C CAPACITOR AC 102202-000854C CAPACITOR AC 112202-000854C CAPACITOR AC 132202-000817C CAPACITOR AC 142401-001912E CAPACITOR AC 152401-000970E CAPACITOR AC 162401-001954E C

42、APACITOR AC 172401-001954E CAPACITOR AC 182401-001975C CAPACITOR AC 192202-000821C CAPACITOR AC 202301-000375C CAPACITOR AC 212301-000375C CAPACITOR AC 222401-001092E CAPACITOR AC 232401-002180E CAPACITOR AC 242401-002180E CAPACITOR AC 252401-001538E CAPACITOR AC1012401-001975C CAPACITOR AC1022401-0

43、00419E CAPACITOR AD 10401-000101DIODE1N4148 AD 20401-000101DIODE1N4148 AD 30401-000101DIODE1N4148 AD 100401-000101DIODE1N4148 AIC 11201-001654ICA7295 AIC 21201-001654ICA7295 AJACK3716-000209TERMINAL BLOCK AJW 1AH39-00157DLEAD-CONNECTOR AQ 10504-000118TRANSISTORKSR1003 AQ 60504-001003TRANSISTORKSR200

44、3 AQ 70501-000294TRANSISTORKSA708-Y AR 12001-000890C RESISTOR AR 22001-000290C RESISTOR AR 32001-000522C RESISTOR AR 62001-000924C RESISTOR AR 72001-000786C RESISTOR AR 102001-000522C RESISTOR AR 122001-000290C RESISTOR AR 182001-000924C RESISTOR AR 202001-000786C RESISTOR AR 242001-000522C RESISTOR

45、 AR 302003-000689OM RESISTOR AR 312003-000689OM RESISTOR AR 322001-000290C RESISTOR AR 332001-000786C RESISTOR AR 342001-000591C RESISTOR AR 362001-000429C RESISTOR AR 392001-000522C RESISTOR AR1002001-000429C RESISTOR AR2032001-000660C RESISTOR AR2042001-000008C RESISTOR AR2052001-000008C RESISTOR

46、AR2062001-000977C RESISTOR AR2082001-000429C RESISTOR CCW 13710-001567CONNECTOR CCW 23710-001571CONNECTOR CON 1AH39-50001LLEAD-FASTEN CONA-3811-000131WIRE-PVC CU D 2002301-000407C CAPACITOR DC 12301-000412C CAPACITOR DC 22301-000379C CAPACITOR DC 32301-000404C CAPACITOR DC 42301-000422M CAPACITOR DC

47、 52201-000368C CAPACITOR DC 62201-000368C CAPACITOR DC 72401-001912E CAPACITOR DC 92301-000390C CAPACITOR DC 102301-000379C CAPACITOR DC 112301-000370C CAPACITOR DC 122301-000370C CAPACITOR DC 132401-001022E CAPACITOR DC 142401-001975C CAPACITOR DC 152401-000240E CAPACITOR DC 162301-000474C CAPACITO

48、R DC 172301-000393C CAPACITOR DC 182301-000375C CAPACITOR DC 192401-002180E CAPACITOR DC 202401-001954E CAPACITOR DC 212401-001022E CAPACITOR DC 222202-000781C CAPACITOR DC 232401-001975C CAPACITOR DC 242401-000795E CAPACITOR DC 252401-001022E CAPACITOR DC 262201-000300C CAPACITOR DC 272301-000400C

49、CAPACITOR DC 312401-001080E CAPACITOR DC 322401-001022E CAPACITOR DC 332401-001912E CAPACITOR DC 342401-001080E CAPACITOR DC 362201-000300C CAPACITOR DC 372301-000400C CAPACITOR DC 382401-001022E CAPACITOR DC 392401-001975C CAPACITOR DC 402202-000781C CAPACITOR DC 412401-001022E CAPACITOR DC 422301-000375C CAPACITOR DC 432202-000781C CAPACITOR DC 442401-002180E CAPACITOR DC 452202-000781C CAPACITOR DC 462202-000781C CAPACITOR DC 472301-000400C CAPACITOR DC 482202-000796C CAPACI