Panasonic-SCTM70AV-cs-sch 电路图 维修手册.pdf

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1、RQZMD127 Manual deSeniicio Sistema Estreo mJO DIGiTAl. AUOlO SC- TM70AV lliJo (DIGITAL V1DEO) SB-PS70 SB-PS70 SB-TM70AV SA-TM70AV SB-TM70AV Archive y use este simplificado junto con el CO de datos CAT. ID: A CDR02081AOX Aug. 2002 Vol. y refirase al modelo SA-VK800GC (para los bafles frontales refira

2、se al modelo SB-VK800GC) RI Amplificador 11 Lector de discos compactos Potencia de salida RCM al 10% DA T, Frontal (Bajo) 90 W por canal (6 Q), 80 Hz Frecuencia de muestreo 44,1 KHz Decodificacin 16 bits lineares (Alto) 95 W por canal (6 2), 1 kHz Fuente del haz Lser semiconductorl780 nm Surround 40

3、 Wpor canal (B Q), 1 kHz Nmero de canales Estreo Subwoofer 90 W (6 12), 80 Hz Respuesta en frecuencia 20 Hz-20 KHz (+1.2dB) Potencia de salida PMPO 7000W Wow y Flutter Por debajo de los limites de medicifl. Filtro digital 8 fs 11 General (amplificador) Convertidor DIA MAS., (1 bit OACI . Alimentacin

4、 127 V ca 10% 60 Hz Consumo de potencia 414W Video eD Datos de video Basado en MPEG 1 Dimensiones (b x h xl) 250 x 3:,5 x 360 mm Datos de audio Basado en MPEG 1 capa 2 Peso 9.8 kg arpox. Salida de video Formato de vdeo NTSC/PAL 11 Bafles r;:ladancia de Dimensiones Peso Voltaje de salida 1 Vp.p, 75 n

5、 entrada (b x h x 1) (aprox) Formato fsico Basado en el formato de CD-ROM FROh,TAL 250 x 380 x 395 mm 5,3 Kg MP3 Bocina tweeler Decodificador de MP3 Basado en MPEG 1 capa 3 (baJO) (Elite) 6 U 6 2 Velocidad de bit Frecuencia de muestreo 32 kbps-320 32 kHz 44.1 48 kHz SURROUND SUBINOOFER 8 n 6 x 106 x

6、 118 mm 190 x 380 x 340 mm 0,9 Kg 5.3 Kg Notas: 1. Toda L,. informacin contenida. est sujeta a cambios previo aviso. Consulte las informaciones emitidas por el deparlimento de ingeniera de audio. Pesos dimensiones aproxirnados. n RadioFans.CN 收音机爱 好者资料库 SCHEMATIC DIAGRAM- 1 - -: +B SIGNAl UNE .: eD-

7、DA SIGNAL UNE OPTICAl ruPICKUP CIRCUIT mCD SERVO CIRCUIT J i + CD -Q7-0-1-iii- Q701 B1ADCFOOOOOl J :03 LO LASER POWER ORIVE . 6.3Vl0n li:DGNol RJ I + 1 601 T NA T1 : l VREF LPD iGN; :E1l-fT*CJO h 1 FlI 01-CJrIi=-I-+- I ft 1;7 180P 120P R744 R702 R705 0.01 120K 10K 150K .-ll-f- C711 0.01 . . ? -+-r-_

8、-,7 R728 15K -jrs 0.1 * 10V220 iJr0.1 iH1 .1.M M70Z SPMOTOR IC703 Rf49 22K :C703 AN8739SBTE2 FOCUSCO!U TRACKNG COIU TRAVERSE MOTOR SPiNDLE MOTOR DRNE R715 R731 2.71 22K RadioFans.CN 收音机爱 好者资料库 SCHEMATIC DIAGRAM - 2 -: +6 SIGNAL UNE .: CD-DA SIGNAL UNE :CD SIGNAL UNE _ : VCD AUDIO SIGNAL UNE mCD SERV

9、O CIRCUIT IN3.3V IC705 1.BV o -1.1_21 1.2? 1000P *1 + C728 50V1 TOII R111 B2K U.c WCWQOQ 0.1 22K 8 c: g; o 5 g tt g 1 -41 2 3 45 6 7148 9 51 2 53 54 9 I f17 R709 (.) l. U. oN g. tt:. . n M N C) N lO . N X Oo -1-+-+-40 IREF ARF -lMnp no:; -38ON r_-_i-31BOO r_-_i-_t36NRFDET r_-_i-36Off 1-_i-_4)RFENV r

10、-_r- -r-I-_Q2ff -_1r-31 -r-r_-o)TBAL -;:;:;!1r-(?!9 IOVOOl -+-G729.iQ,. -2IlFOM : IC702 MN662791AA SERVO PROCESSOR DIGITAL SIGNAL PROCESSORl D!GITAL F!LTERl OlA CONVERTER -(/14)TRVM(PC) r-TF!VP r-:SPOUT N o MCLK l!-_+.J MDATA(62-+-.-J MLO-+-.J BLKCK S4-j-1 PWMSEL-+-+-t-+-r+-+ SMCK 56 SaCK 67)-.J STA

11、T SS-Jot,;fI;- NRST 699)-_-.lR7:!.ii!53i!.!l10-! SPPOL o PMCK 11 1iY 7-4_+_f-+_+-iCi5 DQSY . L = TXTD(r.9- .,;7,-+_i_+_t_iCi4 h9-J;-_f_+_t_=iCi3 TXTCK L1Q3 . ST- OUTX2 7-1r-.!t- IN Xl (m-, W DVSS1 78-, DVDD1(77,.-y MON(!larr-, R720 nlii 1M TX w 0 o g - m2l-lial.!j .Q1i -/ 019181 141312 11 10 9 8 7 6

12、1.5 4 3 2 1 as 8 ;:q3 0.1 J - 8 1i :; o-J: :t (244)_(22)-(i2i1l-(-(,20l-t(_1i1105l-(_(1i118B)_l-(i177)Il-(_(1illSB)_-(!5;J-ot1149-tl virslirM CAS OE A9 ti: A8 ;f A6 AS M VSs IC704 C3ABMB000027 IBM DRAM ve DO 01 RAS!:l!(!:l!( ;.Q. Al A3 1 2 11l-!12l_(13J-o 1 0.1 C782 0.1 H01 RLBV10lV-Y s-rof 1 RESETS

13、W lB 1 lB 1 MAIN CIRCUIT (CN310)ON SCHEMATlC DIAGRAM-7 RadioFans.CN 收音机爱 好者资料库 IC1003 IC1004 COJBAZ000529 TC7W14FUTE1L INVERTER SCHMIIT INVERTER 1-=p=F=;:=l=i=:-:J - 0.1 II IC1001 C3CBLC000031 BMMASKROM n .nngJ:i!itl1!ia lliiWW*i ,NiM,N!oIM.M,lo(.JoI1.!o4ji!wi4(.wM,MoWf 1 Nl .:. C1000_ IC1001 d 1NC;

14、l;Z! 1IIIIIJillJIllllllilI el lll10P 1 _OQ . N c4I-I 10? ves 8 8 8 ii:Si!I NC CDSCKO 3 CO:;:;:;:.-.-.-.-.=:OOlC:/STJ1B DIAGRAM-5 6800 Ol_TI Rl4S l00K R110 R112nCl0e l00K 1 8P Rl19 118 3.31 3.31 -. Cl43 68007 lK 1107 r,G47 5,8K letOl LA 1833NMNTLM FMIAMIFAMP DETIAM OSC MIXI FMMPX R113 101 R128 + et29

15、 82 jE.3Vl00 C149; 0,1 r Rl32 lOK Rl33 lK 120 IC102 O LC72131MDTRM Pl.LFREQUENCYSYNTHESIR .L TGI-ID roa jl; w _ - o ;:,; 3; g g ;: -,/iV MAIN x - o. o r0-OO=/ST CIRCU1T U 2 3 4 5 6 7 el-l9_01-1-. (2A)ON 1-_-1-_-.;:,0 SCf-IEMATIC +7,5V 1 DIAGRAM-5 lA 27P -Nv.j.-I-.j.-b 1* Rl30 le: _ _ -I-l!-V.,.,lC;H

16、 CIRCUIT iK H,E-RJ SCHEMATIC DIAGRAM -5 r.3 -:+8 SrGNAL UNE : CD SrGNAL UNE _: AUX SIGNAL UNE Iil : RECORD SIGNAL UNE l.lL$ ;PLAYBACK SIGNAL UNE 1:1MAl N CIRCU IT - - :-8 SIGNAL UNE : FMIAM SIGNAL UNE E!$ ; MAIN SIGNAL UNE Q208,0408 KTD1304TA LINEOUT MUnNG SWITCH C245 5OV3.3 LlNE.Q:.rr RCH R253 1254

17、 :!:,!45 + 471 lK T01JP 5f.w 1454 :!: O446.L 1K TooP 5OV3.3 LCH - + RCH 1=V 1 R20l 3.31( * 1401 :1:! iU.DA le DOIST PU.CLK 213 I: AGMO 0 -N MUTE.L coR l5V RaGa DO/ST )lt so R31l5 +I 27,. = 0317 )_ COLV fit;l1 - l000P . R20l - Rs02 ?U.CEl 11 . 4.71 I 1403 11 R4!l4 471 lK 471 P R405 RftC203 471 T200P

18、:. + C252 lSV10 + + R257 l7 3 . E R2S9 9ff1 UK e 49 47 lOOP 6ll0F . 01312 R255 Q208( r:v R2S 101JK 11( 471 OJrt IC303 R455 1 1001 Q408(r:v R456 11 R460 fJ 3 471 0.01 . Q300 + cUa1HcUI KRA102STA R457 C447 UNE OlIf 4.71 50V3.3 47 P MUT1NG CONTROL R!.5Ji f.5!I C450 r 27K 3.3K 1W10 + 11142 0314 R343 lif

19、. v 471 - R407 R408 ,. 7 1.81 5.61( l 2l-41 33).61 2 ;- tJ 1C300 471 a -6- i i u. al Sl o w 1= U -1 Q 00. 6: Q m .,. J 1 i i g-Ua :i g 8 T2M3M4Joooo1S 6 .J. +1SV R2i!9 v Cr04 100K 16Vl0 9V . -v +eN k lOOP R304 2.21 A ;:r: Ral)!; 2li- 038 l00!l., OGNO l,I010V IPCNO CD T + A, -,. 1210 R410 1001 16Vl0

20、471 471( R419 R420 +m .or 1.5K 3.9K :7 0.01 RECORD SIGNAL UNE ro DI :MAlN SIGNAL UNE l!IMAIN CIRCSIGNAL rrn) ; MIC SIGNAL UNEUNE Q362 B1ADCFOOOO01 FAN COiffROI. SWITCH QllOO KRC101STA 00 BLKCLK INTERFACE SWITCH Q801 KRC1 01 STA OIJS.TATUS INTERFACE SWITCH Q30S KTC3875GRTA SWITCHING Q2!l1,Q401 KTC387

21、5GRTA SWITCHING 1 -y R283 1K i; l. R285 121 R264 3.8K 021o .Jt-II-lC2t- c:v 022 R286 82K 0410(:; R335 o - 0207,0407 Q. a. I :r KTD1304TA t ir HEAOPHONE Mun:-G SWITCH 0210,0410 R289 R4as KTC3875GRTA 1 1 8W11CHING ip - Q20-1+-J.:.N.iI.1r-+-kl- fJ l-6,;t 0202 1K MA2J12800l ii:llo+ R450 0407(d/J+-R44l 1

22、1 21 6.8K R221 5.8K F: R230 121 R223 471( -v C231l 1liV10 R224 1,21 +l6 0.68 rf4 30:. C319 0.01 : o(9-n.2-.r.R T 0203,0403 KTD1304TA,008 IC302 24 042 f:.008 100 R422 R423 0426 4.71 47K + SOVO.6I! Rol24 1.21 Cih C428 1nn:a 47 R425 1C302 .!I. COAABB000117 TI!: R430 HEAOFHONE AMP R448 .21R-, 0442 _ 6S!

23、JOF R426 R4 fJ 2 IrS-j04KI-+ 2.2K 1K MA2J72600L R427 Q462 KTC3875GRTA AGCCONTROL R8e5 Rall4 RIle3 101 101 10K ,i;t2fu 4,71( I MIJ11NG SWITCH . + Y C430 16110 Q307 R337 QrJ 271( ,n ? ii . : ! iS ti Q : Ir l1i 5 :i1 li i 3.31 11 : veo VIDEO SIGNAL UNE I:IMAIN CIRCUIT - -:-BSIGNALlINE I 0205 02(l( KTA1

24、504GRTA KTC3875GRTA SWITCHING SWITCHING R266 4.71 Q206,0209 KTD1304TA MUTING SWRCH R274 R275 1.21. R482 1.8K +C456 16V10 9 ). ;262 1.llK +C251l R3!l2 o 0313-0314 KRA102STA SWITCHING ti ) P Q20)-Q2 16V10 0313 0205 ,., 0204 M4; b 0314 o R272 82JJK O.fl1 R3!l5 o R397 o . R338 o R271 1K Q211,0411 KTD130

25、4TA MUTlNG SWITCH R387 68K 1 I R320 3.91 C350 0.01 C344 0.01 R30a o R3S1 151 + R321 3,3K IC307 KIA4558FEL OUALOPAMf Q409 r:i; KTD1304TA R32.I: R32 1.C.n L:=:M:u:n:NG_-3,9I .O IR3033 -t-r-r-r-+-rt R4 0405 k:!. rdI -21 R474 ,.4.71 300 t:l 0404 R475 . 1.21 R36!i 2.2K 1 1 R4lll 1001 R443 471 ;L. TOm Ra5

26、6 101 + 100! Q405 KTA1504GRTA SW1TCHING R472 8201 O4060409 Q400I KTC3875GRTA SWITCHING 0406 KTD1304TA MUnNG R367 R3S1 100K 220 Q318 KTD1304TA SW MUTlNG SWITC H VIDEO MODULE ClRCUIT tCN1000) ON SCHEMAllC DIAGRAM-3 SCHEMATIC DIAGRAM - 9 TOID -: +8 SIGNAl UNE E$ : MAIN SIGNAl UNE MIC SIGNAL UNE PANEL C

27、IRCUlT (CP600l ON SCHEMATIC D1AGRAM-14 MAIN CIRCUIT ili o omm ,. !5 :;3!:i n. :1; s 1). (L -. swsv t . i i! . . ., . ; a: SWl Ra9 00 SW2 Rfl27 00 OPEN 1/825100 UJlMP R823 100 BOTTOMSW 82;100 POSITION R89 100 MM.,.CS 0P RB1s_10!l o OF R81.,7K. C8.10P ,818.11 r Rll1v47K 1 OS03 Q802 1803 411 RS06 1K Mc

28、tK ;.;0 ;,! .1 :i J G:1 9 iB g C8! tl :;tl . 1 R831 R893 22K 4.7K C8!l9 0.1 RB95 + Ra98 R632 RS33J 47K C810 o K 1 (Otlf) t) t) 8 u Mf3RST4S 2 CHQ.SW2 P.LSEL4 :n:, 3 OPN HSEL RS611K MSEL HOO4 ClAMP I BOTTOMSW HIlI HOIO 6 POSITION HCLK HCLK 7 NC Icaoo VRST42 VRST aNO C2BBGF000366 HIN! 1 HINl 9 CSOCK M

29、ICROPROCESSOR HRDY HROY 10 SOUT EMPHA EMPHA 11 SUBQ VMOOE 1 s.cs VMUTE SCLK NO 36 14 SDATA EEDA , IJA 15 SOAT. EECLK EEu.! 1S_REO u.a: iil: ESCS 3 SOCS !z t ;Sj 8. 0 RBas ou 101 OlUOC2Z 17 1819 2IlJi!1 !tlI23(l31 :C603 -) -) .J R6390.01 o 1.8K g i fl! o: R815 6 1 ji ti 1K 1 J Q : fi Ra4i I 47 Ir t .

30、t XOOQ lCS11 H2660Q.W)OOa Q800 !l , , 10.1 1C/!(16 KRA102STA :l!a: COJBAZOO0524 f!1 (!)I I INVERTERcoswrrCH CIC1 gxr :x: .lU 00 Q81J3 2SC2712GRT5T SWITCH :19 ;- BSC3326BT5M VIDEO MUllNG SWrrCH . Ra371Qi( .1 SCHEMATIC DIAGRAM -10 -; -B SIGNAL UNE M : MAIN SIGNAL UNE E!lMAIN CIRCSIGNALUNE Q376Q371 2SD

31、0592ARA B1ADCFOOOOO1 OCDET -flV SURR R360 350 27K 17 47 1C30S KIA4558FEL dis 0.01 7 +. C331 R355 2.21 r-1Mr-f(f:r )Q381 R364 - 01. C3es 501100 ms, BOACCKlJOOOO5 1363 1!lOK I C364 .,.16V1O lOW FREQUNCV AMPLIFIER FAN ONiOFF SWITCH C374 IH RS15 4.7K 0378 R313 101 R393 100 SCHEMATIC DIAGRAM - 11 -: -8 S

32、IGNAlllNE :MAIN SIGNAL LI NE !JMAIN CIRCSIGNALUNE 371 UI Q370 Q371 70311 UDZSTE1710B Q371 2SD0592ARA LOW FREQUENCY AMPLiFIER ;Jt-+- R375 101 I + R378 100 0075 BOACCKOOOOOS D3ts BOACCKOOOOO!; ds17 BOACCKOOO005 Q375 1l-tjR3A99- 10K B1ADCFOOOOO1 SWITCH B1ABCFOOOO11 DCDET SWITCH C378 TOa R373 3,31 1 R37

33、S 100K 151/ F_L :r F_R V LO_L l LO_R v .J. 5URR l suew . IlC05T MUTEUl Q374 0375 POWER(l) CIRCUIT (CP501l0N SCHEMATIC OIAGRAM-17 TOa POWER(l) CIRCUIT (CP500l0N SCHEMATlC DIAGRAM-17 1!N10 SCHEMATIC DIAGRAM -12 e$ :MAIN SIGNAL UNE lID) : MIC SIGNAL LlNE !JPANEL CIRC,GNALLlNE 2600 B3RA80000012 - C656 0

34、,01 R699 47 R909 100 VREF+ RMT SUB_Ki (;835 0.1 =100P C6 lOOP SER5 04 SERl ; * N U *;D 0 I? K009 27u D622LNJ301MPUJAD Rfi47 1iKl _5 10K r Rfi46 10K R644 100 R642 100 R843 100 !i 8 :g ii! 09 R922 SLR325YCf31 220 SSLED LED9V GND 0 -I2;-1 ,.-3 SUai20 2() !: 0.008 al21 0.008 CP900 I,J., L608 w nr (1)f-.

35、-f-il_C671 Rfi98 UL .T To. SllI ,. 15 Iv-: I LS07 X iii .= 1; v LOO6 7.2: nUL,., o TOa G)1f-;1 DEa- 4.1K fIC I- DIGITAL ECHO WITH MIC MIX!NG AMPUPER C9 0.015 lttL R927 R933 SER3 100 (1) lK 1 JKOOO + .L mM 16V22 I MUTE E SCHEMATIC DIAGRAM -13 rt - :+8 SIGNAL UNE - -:8 SIGNAL UNE L:lPANEL CIRCUIT .1 T

36、 0608 -. BOMCKllOOOO4 ROOl 330 R9)2 330 FL600 A2BOOOOOOO53 6AJ511 7 7170 1 J?M - 81 REGIllSEG1 -)RE,G7/GRID7 t;D605f(:IBO=MC=KOOO=004=-+-+-+-E83 REG6/GRIOO t0604tl6TI;fJj5M51i4-t-tIII-184 REGS/GRID5 L.-m51IREG4/GRID4 +D6O;l2IBO;O=AAKOOO=004=-4-+-+-i!I6)REG3IGRID3 L-(REIG2D2 L-(8S88)IREG1IGRID1 R61J8

37、 lOK I LIIOO RLQBKT-1Y rC600 C2BBGFOOO362 MICROPROCESSOR U l. ca16 10V22 . DIl1s MA2C700A0F +-= R602 10M R6176OOK l00K l-t:t:t:t:=JR6Ul9 +-l-l-+-;R621=W,:;OOK 100K SEG32 Ol- SEG3349f- SEG34t:B!-.,-_.J SEG357Jf_-= _.J SE4:- SEG374- SEG38- VOC.C 43)- VOC.8 42- SW.L2 4:1- SW.Ll 4.- SU.L2 39i-_ SU.L1389

38、- PCQNT 7- NC V.J V.J _ DCDET R686 lK SYNC-R610WK- PlLCE 1)- XllOO H0A327200073 )(601 RSlCZ4M19B01T Q61J3-Q6(J4 KTC3199GRTA MICROPROCESSClR BEATPROOF OSCILlATOR R604 RBIl5 4.7K 4.7K Q603 SCHEMATIC DIAGRAM M 14 -: -6 SIGNAL UNE :MAIN SIGNAL UNE ID: :MiC SIGNAL UNE I!JPANEL CIRIGNALlINE 0616 808A5:600

39、016 rvVo SYNe 5( ; Q605 71 Q605 D35iT 10W Q601 0.01 PCONT SWITCH KRC102MTA KRC102MTA SYNCSWITCH SYS6Y PCONT PeONT SWfNQ60 SERl R613 OVREF+ SER4 4.7K Q602 KTA1267GRTA R!l49 R612 DECK SUPPLY SWITCH lK 470K TPS DECKl Q602 VREF+ DECK2 . VJOG A OCOET SYNC RSB7 47K MA MH SW_L2 SW L1 SUR.U voc.c voc.s SER1

40、 SER2 OVREF+ SW5V MlJTEL UP.GNO LM.R LM. l 1 R666 5.6K Q600 fY BOMKOOOO04 SO STIDO PLLeE1 PLLDA I =1 $ 5OV1 + 1 swsv MlJTE L Gl U1.GD : SO BTIDO ?LleEl PLLDA PLLCLK Q600 KRC103MTA OCOET swrrCH r-_=+-PLLi1 MM.RST R653 I MM.REO Q612 KTC3199GRTA INTERFACE SWiTCH Q612 . 10K MM_CS RB52 2.2)( R6S1 tOl RS5

41、0 tOl R649 W,CLK1 1K R654 22K Q614 KTC3199GRTA INTERFACE SWlTCH Q613 KRC102MTA iNTERFACE SW!TCH R661 41K TODJ MAlN CIRCUIT (CN302) ON SCHEMATlC DIAGRAM-9 TODJ MA1N CIRCUiT (CN303)ON SCHEMATIC DlAGRAM-6 SCHEMATIC DIAGRAM -15 -: +8 SIGNAL UNE : PLAYBACK SIGNAL UNE -: -B SIGNAL UNE 8r.l . RECORD SIGNAL

42、 UNE liIDECK CIRCUIT Cl038 I 221lP . R1095 -r-J1G32-t-r looK .s: 10K R1104 o -06 11 1001 , !l. +,.22 C100 1500P O 0.01 r IC10D4 C1AA00000612 ipJ AUOIIOTITfON IC1004 =OFF V 1vcc .2jooo(3jooo(4.o(5). l -UGOl R1102 O I I Cl lJ; Rl0,4 UKG0C470JAD030 J R1013 4.71 p1001=OOOP 1004 rO 1018 0.01 RH112 4.71( .cl007-.-009 . CP10Q2 IC951 CNB13030R2AU PHOTO INTERRUPTER -:u- , , :.: -TOII DeCK CIRCUIT (CP1001) ON SCHEMATIC DIAGRAM-16 1 PL eS!l51 R953 39K 0951 MA2C165GOE 2971 RGSOl2A1445T TOII TOm yo MECH