Technics-SAT-670-KFP-Service-Manual电路原理图.pdf

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1、I rceManual 5A.T6TOKFP 2 x 75W (4 ohms) 2 x 65W (B ohms) 2 x 65W (4 ohms) 2 x 60W (B ohms) 7 Hz-35 kHz, -3 dB 4.040/a 14,8 ohms) 0.05% (4 oht;ts) 0.03 % B ohms) 0.025 % (B ohms) 0.007 % (B ohms) Frequency response PHONO AUX Tone Controls BASS TREBLE 185.040233 FM/AM STEREO RECEIVER 2.5 mV/47k ohms I

2、50 mV/33k ohms 150 mvi 33k ohms 3 mV/10k ohms 170 mV RIAA standard curve 30 Hz* 1 5 kHz, t 0.2 dB 2O Hz-20 kHz, + 0.5 dB, - 1 dB 10 Hz-40 kHz, + 0.5 cB, * 2.5 dB 50 Hz, + 12 dB- - 12 dB 2OkHz, + 12 d8- - 12 dB 1 00 Hz. - 6 d8/oct 7kHz, *6dB/oct 50H2. +9dB -F? Specilications (DlN 45 500) AMPLIFIER SE

3、CTION 1 kHz continuous power - both channels driven 20Hz - 20 kYz continuous oower both channels driven Power banciwidth both channels driven at B ohms Total harmonic dislortion rated power at 1 kHz rated power at 20 Hz-20 kHz fated power a1 20 Hz*2C kHz half power at 20 Hz-20 kHz hall power at 1 kH

4、z I ntermodulation distortion rated power at 250 Hz: B kHz = 4.1, 4 ohms 0.04% rated power at 60 Hz: 7 k1z = 4: 1 , SMPTE, B 0.03 % Damping factor 25 (4 ohms), 50 (B ohms) lnput sensitivity and impedance PHONO AUX.1. AUX.2 TAPE.1. TAPE.2 MIC PHONO maximum input voltage (1 kHz, HMS) S/N rated power (

5、4 ohms) PHONO 72 dB (lHF, A:80 dB) TAPE 85 dB (lHF, A:92 dB) 26 dB power (4 ohms) PHONO 65 dB AUX 75 dB 50 mW power (4 ohms) PHONO 60 dB AUX 62 dB Acoustjc Controls Tone Conlrols 0 positibn) Lour filter High filter Loudness control (volume at - 30 dB) Marketed and Serviced throughout New Zealand by

6、Fisher and Paykel Limited Htp bg I w ,rylriniror:e iac,) 1 DIAL CORD STRINGING GUIDE BLOCK DIAGRAM OF SIGNAL PATHS to SEL SW AM TERM Tuning Capacitor - Closed Position Dial Cord Length 200 cm 3 Turns Clockwise Ql 02 35K.r0 2SC1047 Mixer 03 04 2SC1675 2SK49 OSC Bufler rct02 4N377 IF AMP FTi Ar,i a.re

7、nna :rlmmer ,em,1ar ll9,XT_ nll.i,nl ;pil, ;r; d; l?0l ,2nc rm Adrust ror na4mLm cursJr Common to cnassrs. wrln iCOHz 1203 3rd iFn Fashron looo o several lurns 6CO klt Csnnect VTVM or scope Adjusl ior maximum oulpul. *;:#rJl- slsnai rnlo fl;i$1, 600 kHz i:l rsrnrnars b 331ixff #ii f3$:l:t:;r%fl,J:3,

8、: Fashion loop ol several turns 1500 kHz connecl vrvM or scote cr202 (osc rrimmeO Adjust tor rnaximurn ourpur. of wir6 and radiale signal lnlo (30% Mod.) 1500 kHz to speaker termrnals o1 ct20t (ANT Trimmeo Repear $teps (2) and (3) loop ol receiver wilh 400H2) receivr FM.IF ALIGNTdENT Pc ni or non ru

9、n,ns nete, or ser 119:i9F:, -o I,ri;1,fi*.;ii:,:.No ilgna nierrerence lunlnq nglel ol sel vo, y! uvs :re gos,l,on ci runlng merer FMRF ALIGI.TMENT Connect to FM 300 ohm 90 MHr L7 OSC Corl Fhl muringlmode switch to anlenna lerminai ihrough FM 100% Mog. 90 Mhz connecl scooe lo spgai(er du,omy antenna

10、w*h 400 Hz) refminars of receiver i? ilii5:,i- 3li;lYirir?,i?:jJ1, t2 ANT ColU rnetrical curve. (Fet. Fig- 4) Connecl lo FM 300 ohm 106 MHz Connect scope lo speaker CT3 OSC Tilnmer) Adjusl ior maximum amplilude anlenna lermrnal lhrough Flvl (100% Mod. 106 Mhz lerminals ol receiver cT3iRF.DET Tilmmer

11、) and symmetrical curve. durnmy antenna wrlh 400 Hzi CT I iANT Tflmmer I Repear sleps 5) and 6) CTA ANT lrimmer) FM MONO DISTORTION ALIGNMENT :;il: L*Y,1T,?X?, , i,ofouild 100 MHz conncr scope 1o speaker r10llDrscRr rm iB) liHiJi:lJim dislorlron dummy antenna, Appty 80 da with 00 lrminals ol f$ceiv6

12、r Greel cofe iprr ,rp. i4 and (7). lo set. Hz) FM MUTING LEVEL ALIGNMENT Connect to FM 300 ohm 10o MHz M mulinglmode swilch to anlenna rermrnat rhroush FM 100% Mod. 100 MHz connecr vryM or scope vR101 ?X|ij$:i*,pul can be dummy antenna. Ap0ty 16 dg with 400 Hz lo speaksr iermioals (6.3 uV) to set. -

13、 oblained FM SIGNAL METER ALIGNMENT 1. Appty 100 MHz FM signal of 100 dB (400 ila 30% modulalion) to FM 3. Adjust VR102 for about 4.7 point ot signal merer indicarion. 300 ohm anlenna terminal through FM dummy antenna. 2. Tuning at 100 MHr. FM MPX PILOT ALIGNMENT Usang a iraqueflcy ccunter Using alt

14、,(nal syslem 11000MHzNonmoduialedmonosignal aopliedioset.Apply60dB) 1.Applyslereqsignat lromgeneralororstereoslalionlcreceiver. 2, FM muling/.node se/ilch to ON/FN.l AUTO 2.Adj!il VH301 u;tii steraoindicalor lighls up. Cemenr arm sf VR301 as 3. Connecl frequency counter to IP301 lhrough resislor .l0

15、0 k ohms sfrown in Fig. 5. a. Adjrrsl VR301 to tg kHz r 30 Hz. Noles: 1. Steroo modulalor . a Conftecl stereo modulator oulpul td EXT MOD terminal ol srgnal gensrator. a Pilot signal modulaiion to 10Yo 2, FM srgnal gensralor r Frequency approximalely 100 MHz/Output level to 72 dB (lHF) . Modulalion

16、mods io FM 3. Sleclor swrlch to FM 4. FM muting/mode switch ro ON/FM AUIO sA.T870 I FM SIGNAL GTNERATOR STEFEO MCDULATO9 1NOICAIOR ADJUSTIVIENT CONNECTION MODE iAC VTVMi POINT RFMAFKS FM STEREO SEPARA?IOTt ALIGNMENT Tonrng at ll0 irlli? tvlake acjustneni FLt .3CO ohm arlenna i,l kHr lilt Mccriaiioni

17、 Ccnnecl VTVtul l! sreaker so rhal. Bnsn :ts anlera inpul is terminats rhrougi Fil.l MODE L iand n1 termirai$ thro|Eh low Bass VR302 suol*cied to ! madLialton or g dummy antenna. Pilol rignal lo CN liiler Ref . Fig. 5) modu;at1on). il rhannel ouiprrt ior L channal cuipu0 becomes minrrnum_ REPLACEMEN

18、T PARTS LI$T NOTES: 1. Pafi nurnbers are shown for rnos! inechanical parts. 2.Sin the Femarks column indjcales that a part is normslly a slock itorn. CABINET AND CIIASSIS PARTS Ref. No. Part No. Description Remarks Ret. No. Part No. Description Remarke 1 493.281002 Knob, Volume S 37 RBG109 Flubber,

19、Ant.Mtg. (2) 2 493-281006 Knob, Tuning S 38 SDZ6-1 Dal Cord, 200 cm 4 493-?81004 Kfloh, Ba$s, Ireble, Bal. Sel. (4) S 39 493-662001 Dial Spring S 5 493-281002 Knob, Levsr Swilcies (4) S 40 493-285001 Drum. Tuning Capacitor S 5-1 493-281005 Knob, Mic Mixino S 41 SJF3025-1 Term, Plate 12 P cal lr !ie

20、ote irtle axrer: iar CF umsrs L_* NOTS 1 a Corresoonds to the nrmber 9n rne Dr,nted crrcuit boari l- 2 : SC |oltale neasured 1./1lh a DC rlrcli: lesitf lhqn I rngedaflce, liol aris$rt trturd. !rcer lhe conclls I oi !O SiGhtAi- Threlqe terP fta, be se I trtigr?nca n it alla-fe lalugs, dee SA.T67O E w

21、trnntprDF o ErlEEE i all! t* a.z. t ! qi. -il t n L-rs.Li -;ri. :ntd b( s rctr !t, g uEE c.:ril lns L. l5n!F.6a Ihrs crcurt rs /denlrcal to lhe one Bbole erceol ror cR numbe.s. 128 12 WIRING DIAGRAM MODEL 5A.T670 -R- -? Mdm Cord AVAC ESfi5H F2 u_:m fl F3 1?5J 2A 91, ql o -G- _l _rl_ i tor _J t-a /Ti

22、l- lili :l -ll el ll lo onlt .E-.U? l-tl.,o, : o o l L- - -*l Mdin fiohoto S06akars AC So.*rl d8 rGr Fatl 8 3 ,.8 l:O. i . m7 t To Cval g a i N U N lc I I U t:11 O ; 5l-i gIo-o- il o c o ; - 3n:t- i!; ltl ts ! .r, o-.-sc-, Or gr-7i-o-6- i3E:l Ot:l o o o o ! ,_, ! J o E d f H il t -8,19 e - e ;-l :l;

23、,a l*l; i:. it;,*r l*11: :gqr ceJ- .c6fl bE *,rS16ill* tlP Fqr h j c5o! E cro. tO _8v ls l$ l; -t * ,r: i .t :l _1 ;l :l cl ., i -1, cl : r rf- I lal liiFl : c6 z. 6! nn6 tr I - -Y-X re,r - tg- I:rf .e li t* I 616.r.-i.;igl .;: i E*Flg .: i:o ;t;.,l1ltl a ri tt*tl rE;Yt . - . p =,Sll - itqaE rgtgrit

24、6ti ,11:.; E lg I EF_, lg.lil:.ii:,: effi-r-i g-+s*rllri #jjnl:rit;:10; FF.tr* J= * l;: tr:lg lt - ffi; iltlmff= r*ii5,urg.* - -ui- iil li lit -* 3 E : , nror I lu l- ld J : ll.g!. - l- r l!9 6+;.-_ sl: R .i;$b;$iglnn i rr -;*-. - t,? H il,| u , ,. o,o. I la U- o:,e i:6; .+ ctor I p52e oh. : I ullll

25、g : ; lnILl:16tM cor l$l l-1! c1!g 6i I l5r u Flle q I - L- JE -.t -O- o r lfrMETER onrvr l :i ,:,i :- l-i # *d,qi .-: ;l :_tlll sg-i*, r 7; .ir;i- g lut ;:. :-!-sr 13 B REPLACEMENT PARTS LIST NOTES: ) Ret. No, Part No. RF, IF, Ql 361-041280 Q2 361.041283 03 361-041284 Q4 361-041328 Q101,102, r03 36

26、1-041282 Q104 361-041327 Q105,106 361-041282 Q301,302 361-041281 Q201 361.041282 Q401,402 361.041332 Q403,404 2SC1328STMS 0405,406 361-041329 Q751 361-041228 4752 361.041282 DIODES & D1 01,1 02 103 361-041025 D104 361-041093 D201 0499 D202,203 361-04.1028 0204,301 302 361.041025 D303 361.041060 D401

27、,402 403,404 405 361-041061 0751 361.041066 D752 361.041094 0811 361-041066 1c101 363-041015 rc102 363-041017 1c301 36341018 Description PCB TRANSISTORS Translstor FM RF Amp Transistor FM Mlxr Transistor FM Local OSC Transistor Buffer Transistor Switching Transislor Switching Transislor Switching Tr

28、anslstor AF AMP Transistor Swltching Transistor Equaliser AMP Transistor Equalisr AMP Transistor Equaliser AMP Transistor Regulator Transistor Regulator INTEGRATED CIRCUITS Diode Swilching Diode Diode Deteclor Diode AGC Diode Swilching Stereo lndicator LED, Red Programme lndic LED, Red Rectlfler LED

29、, Red Stabiliser LED, Red Rectltier lC FM 1st,2nd lF, AM lC Flvl lF AMP & DET IC MPX Part numbers are shown lor most mchanical parts. S in the Remarks column indicates that a part is normaily a stock item_ RemarksRef. No, c115 c116 c117 c118 c119 c120 c121 c122 c201 c202 c203 c204 c205 c206 c208 c20

30、9 c21 0 c211,212 c21 4 c215 c216 c220 c221 c225 c301 c302 c303,304 c305 c306,307 c308 c309 c310 c31 1,312 c315 c317,318 c401,402 c403,404 c405,406 c407,408 c409,41 0 c411,412 c413,41 4 c415,416 c417,418 c419,420 c421,422 c423,424 c425,426 c427,428 c751 c752 c753 c754 D S c cv1-cv4, cv201, cv202 cT1-

31、CT4, cT201, cT202 R1,R2 R3 R4 Parl No. ECEAOJS33l E ECEAS1ZRZZE ECKW1H103ZF ECEAl HSOlOE ECKW1H223ZF ECCW1H181K ECCW1H020CC ECEAl VS4R7E ECCWl H020CC ECCW1H150KC ECKWl HlO3ZF ECKWl HlO3ZF ECKWlHl03MD ECQS1361JZW ECEAl H33R3E ECKWl H331KB ECCWl H390KC ECKWl HlO3ZF ECEAl CSlOOE ECOM1H223KZW ECEAl H53R

32、3E ECQMl H223KZW ECOMl H223KZW ECCW1H020CC ECEAl C5470E ECEAl CS470E ECEAl HS3R3E ECOMl H273JZW ECOSl 471JZW ECEAsOZR4TE ECOM1H473KZW ECEA5OM3R3SE ECEAl CS470E ECEASOZR22E ECEA1CS470E ECEAsOM3R3SE ECEA5OM3R3SE ECOMlH222RZW ECKWl H471 KB ECCW1H220KC ECCW1H150KC ECEAlCSlOl VE ECEAOJS33l E ECOF1393GZN

33、ECQFl 1O3GZN ECOMl H273JZW ECEAsOM3F3SE ECEAl VS4TOVE ECOMl H1 O2JZW ECEAlVS4TOVE ECKW1HlO3ZF ECEAl ES222E ECEA1CS221 E ECKWlHlO3ZF 493.31 7001 EBDl25SJl O4C ERD25TJ563S ERD25TJ223S Descriplion Remarks E lectrolyt ic Electrolyt ic Ceramic Electrolytic Ceramic Ceramic Ceramic Electrolytic Ceramic Cer

34、amic Ceramic Ceramic Ceramic Polystyrene Electrolytic Csramic Ceramic Ceramic Electrolylic Polyester Electrolytic Polyesler Polyesler Ceramic Electrolyt ic Electrolylic Electrolytic Polyester Polystyrene Electrolytic Polyester Electrolytic Electrolytic Electrolytic Electroltyic Electrolytic Elctroly

35、tic Polyester Ceramic Ceramic Ceramic Electrolytic Eleclrolytlc Polyester Polyester Polyester El6ctro lyti c Electrolytic Polyester Electrolytic Ceramic Electrolytic Elsctrolytjc Ceramic S S o s S s S S J J s s S S s s q S CAPACITORS Q1,2,3 ECCW1H150KC C4 ECBT1HO1OK c5 ECCWH180KC c6 CCKW1H102ZF C7 E

36、CKD1H1O2MDL c8 ECCW1H120KC c9 ECCW1H070DC c10 Eccw1H050cc c11 ECCW1Hl81K c12 ECKW1H103ZF c14,15 ECKWlH223ZF c17 ECCW1H220KR c18 ECW1H070DC c19 ECCWIH390KC c20 ccwlH150Kc c21 ECCD1H030CC c22 ECKW1H102ZF c23 ECCD1H030CC c24 ECKW1H102ZF c101,102 ECKW1H223ZF C103 ECEAlHSO1OE cl04,105 ECKW1H223ZF C106 EC

37、EA1HS3R3E c108 ECCW1H680K C1O9 ECEAIHSR4TE C110 ECKW1H33lKB c111 ECEA1CS100E c112 ECKW1H223ZF c113,114 ECKW1H103ZF Ceramic Ceramio Geramic Ceramic Ceramic Ceramic CBramic Ceramic Ceramic Ceramic Ceramic Cramlc Cramic C6ramic Ceramic Ceramic Ceramic Ceramlc Ceramic Cramic Electrolytlc Ceaamic Eleclro

38、lytlc Ceramic Electrolylic Cramic Elclrolytic Ceramic Ceramic VARIABLE CAPACITOR Tuning Gang Cap. w/drum RESISTORS Carbon Film Carbon Film Carbon Film sA.T670 14 REPLACEMENT PARTS LIST Ref. No. Part No R5 ERD25TJ181S R6 ERO25TJ562S R7 ERD25TJ333S R8 EFD25TJ1O2S R9,10 ERO2sTJ181S F15 EFO25TJ1OOS R16

39、ERD25TJ681S 817.18 EBD25TJ2235 RIg RDzoTJ1O2S RzO EFD25TJ333S Ftz1 EFD2STJIO2S R1O1 RD25TJO2S R102,103 EFD25TJ331S H104 ERD25TJ823S R,I05 EFD25TJ331S R.106 EFD25TJ.O2S R107 FD25TJ2745 Rl08 EFD25TJlO4S R109 EROzsTJ101S R110 ERD25TJ221S R111 ERD25TJ822S R1 12 ERD25TJ392S Rl13 EBD25TJ562S R1 14 EBD25TJ

40、272S R115 EFD25TJ47OS Rl16 EBO25TJ181S R117 ERDzsTJ1O3S R118 ERD25TJ274S R119 ERD25TJ331S H12O EBD25TJ223S R,I21 ERD25TJ563S P122 ERD25TJ?24S F123 EFID?5TJ333S Rl24 321.042000 S Rl25,126 ERD2sTJr03S R127 EFO2STJ?23S Rl28 ERDz5TJ1O4S R129 EFO25TJ683S R2O1 ERD2sTJ152S R202 ERO25TJ562S R2O4 ERD25TJ392S

41、 R2O5 ERD?5TJ274S R206,207 ERD25TJ333S R2O8 ERD25TJ184S R209 ERO25TJ393S R21O ERD25TJ333S F211 ERD25TJ472S fl212 ERD2sTJ152S R213 EfiO23TJ104S F214 EHD25TJ272S R215 ERO25TJ392S P221 EBD25TJ1515 R3O1 ERD2sTJl5IS R302,303 ERD25TJ3S2S F3O4 ERO25TJ823S F3O5 ERDzsTJ123S R3O6 ERO2sTJ1O2S F307 EF|D25TJ1033

42、 F308,309 ERO25TJ472S F31O EHD$OFJ68OP F311,312 ERO2sTJ332S R313,314 ERD25TJ392S R315,316 ERD2sTJ331S R318.319 ERD25TJ104S R324 ERO50FJ561p F401,402 ERO25CKc47RO R403,40 ERO25CKG2203 R405,406 ERO25CKG5602 R407,408 ERO25CKG8?02 sA.T670 15 Description Hemarks Carbon Film Carbon Film Carbon Film Carbon

43、 Film Carbon Film Csrbon ljilm Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Fiim Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbo

44、n Film Carbon Film Carbon Film Carbon Film Carbon Fim Solid Rosistor Carbon FiJm Carbon Film Carbon Fi,m Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Fllm Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Cal

45、ban Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Film Metal Fitm M6tal Film Metal Fllm Metal Film Ref. No. Parl No. R409,410 ER025CKG1502 R411,41? EFiD25TJ681S R413,414 ERDzsTJ123S R415,416 EffD25TJ152S P417 EflD2

46、5TJ1O3S H4,I9 EFD25TJ561S n421,422 ERO?5CKG2201 R423,424 ERD2sTJ10?S n425/28 EBO25CKF8202 R427.428 ERO25CKF6801 R429,430 EHD2sTJ224S R431.43? EFD25TJ6805 R433,434 EFD25TJ151S RA41,442 ERD12SSJ104C R56I,562 EBD25TJ3345 F563.564 EfiD?5TJ1045 R581,s82 EFD25TJ4733 R583.584 EfrD25TJ222S R731 EBO25FJ122P

47、R751 ERDSOFJ2FzP R752 ERD25FJ152P R753 EfrO2sTJ101S R822 EFD25TJ682S COILS AND Ll 381-050120 l2 381,050121 13,4 381450099 L5 38150122 L6 381-050031 L7 38145010? L101 381-050047 L2o2 38r.050103 1203,751 381,050044 T1 381.050123 T101 381-050048 rzfi,202 381.050124 T203 381.050.125 T301 435-041009 Oesc

48、ription Hemarks Matai Film Carbon Filrn Carbon Film Carbon Filrn Carbon Film Carbon Film Metal Film Carbon Film Meral Film Meral Film Carbon Film Carbon Film Carbon Film Carban Film Carbon Film Carbon Film Carbon Film Carbon Film Carbon Fllm Carbon Fllm Carbon Film Carbon Film Carbon Film TRANSFORME

49、RS FM ANT CoiI FM HF DET Coil Choke Coil FM fiF DET Cotl Choke Coil FM OSC Coil Choka Coil AM OSC Coil Choke Coil Transformer, FM IFT Transformer, FM IFT Transformer, AM IFT Translormer AM IFT Low Pass Filter c S ) S S S S t s S CERAMIC FILTERS cF101, 102 493.435001 cF103 493-435002 2201 325-053506 vH101 327-041056 vR102 327.041056 vR301 327.041059 vB30? 32741056 PL1,Pt2 424.0400?6 493-343002 F1 493.348002 F3 493-3480