Pioneer-SX770-rec-sch 维修电路原理图.pdf

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2、ONTROL AMP UNIT Wc-uJ5wl 5- 033 Ww1 5- 033MAIN AMP UNITw5-085w23 - 005W5-085wl 5- 085POWER SUPPLY UNITW6- 024wl 6- 064W6-024l1,r 6- 024SWITCH UNIT A)!1/5-086wl5-086W5-086wl 5- 086swrTcH uNtT (B)W5- 087wl5-087W5-087wl 5- 087SWITCH UNITTONE COLOR UNITCONTROL UNITMIC AMP UNITREVERBE AMP UNITREVERBE UNI

3、T) 1RadioFans.CN 收音机爱 好者资料库Model SX-770q:F=- . i eE + g oc 3 3a 9 dt l :Ua z 9 0 96 G 6d d 9 !2 7 i, : 1 9- 1 F d d 6a Y H f SF e - a 9 9Y Z; 9: - t|.FJ t t ld -P - u E E? 6 : F- H g i s i != ? o E i t5 = 3 . i- - E I E E tH ; a 3 ER - - E -:E e536 5I t f t t rHcE- - E 9 :g 5aa i-G-89FXd r a- 5 o e

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6、* 5 ;6 = - o d GFu oF-oX=ae e . i F ? 8 3 0 * - lb o J d ; $ 6,; ,En ;I IiQ=Iz b- -! E6 .Ta2C N I(9)dn0 (0r)l(B)r0l,t(0)010vIFz RX 9g =;-Fffit- t Iof,l1-eiliir6t - -L_:st)rnO illsl)0N5livOD1l tlZD t-iii 3:1n0 hv ?0 ) c -Inil z =,F+8)L) t,l V ; s - :9 ; 9 4 - l f - f , : i 6 : g : id r z 6-or-r-IxQ29

7、SX-770 KCLW, FVW modelE3Jo:gLFQEz7 tsil- a g 2 a , !3 ; ?rif t 1U ,d: = : t 6 i s s i !2 4 1 1 iz t s i z= = 9 0a t - 2 z - F o i , o o . a a3a- u-tldt- y d = t= Z z l P i E- o a ;t 4 z - = 9 o ; r = r i ; + Z * _ . -: r L c d = a q 1 r - : a + ; 6 - - a + t,; .arywv- IIt-7qes iEIFe+ l:a509/ooqosrl

8、= =?3=z dE EHHHHtor-t-Ix(ng;22 x H Ho-?-aziAFFISNNVHS IJIr:o9zz?5?A6ONI(q)lno (gl(000rnvtJl(tl(t)o -lflz o! =o : - o i= 7 2 - i- _-l9L)lno i9l)0Ncil)tlv0L)II,Jar)CN5 Frn ZdfnO Hv0l)uit: . = 1:8)(L)hva.:?fF R?=303X77OFRONT2 +B (rzv)rO 6 GNDvOOs&cio3 sE3001d+:f f3 c,zpo,25K19o-_r-lqI t ) t o= l - 2 T

9、n -/ t I l , - o/ar/O/ c 15351_ : +. r u o u 2 l u rt._+-_-_F-*;9R 4r5&tr+oP j 9FI1 FRONT ENDw 11- 0 3 5FM FRONT END for FVZW model;=-1- - +i 3lq:i:f* f I!-=. f: -l-:;1, i 3J ,25sa51 .-l:-I1:o1o- i#Lgl-affiffiiii lB lr$: li,1 l-ll, Iid-Ftd.f*-;i.r,l;7;i3;J5;1 :l, l - - - - * i g !it r f1lril Il-di+E

10、i il+rn=l l*Y -iE ii I4 i3 *ffiIL!r t r-ro-iiilaa3 sE300lo, 2SC450d- 3O I I dT U N E R U N I TAf1 oscMPX UNIT1 1 P X U N I Tw l 3 - 0 2 6o2SC?l IM5r09PJ Ls,x-770HEAD AMP UNITHEAD AMP UNITw15- 0320ur,+B0u12TROL AMP UNITR22 l.5 K,w 15 - 033MAiN AMP UNIT, o42sc?34an 254569 or22so9l!0,2SC810IlAIN AIlP U

11、NITwl5- 085c h . R.032SC134 or25A569 0,2SD91Ir0/10:E ( - 1 1 / r ! F ,aMAIN AMP UNIT For NBW model032SC734 a?2SA569 Q2SD91Y:Ttt+VRrVRz- a - s !/-x ; ) ;:1&i,ur21 +Q2zSC8?0e-rib e+:fr, ( | L L / L 5 J Xi( . ?- J r v - J&Eoa 2SC?34 Qs254569 Qr22SD9lMAIN AMP UNITw23-OO5Ch. LC h . R349 VOLUIIE -rAP5 GND6 O U T RB VOLUI1E IAPPUSH S/ITCH UNlT(A)POWER SUPPLY UNITsx-77c,PUSH SWITCH UNITPOWER SUPPLY UNIT for NBW modelPO$IER SUPPLY UNITw 1 6 - 0 6 4PUSH SWITCH UNlT(B)wr5-087azt=-t2Iaj t EPOIIIER SUPPLY UNITw16- 024l+ACaD4 sl8-o,t-olr OAC:E5.SI8-01-01:A2 2SC810 0r 2SC491 D, SW-1-023 5