Pioneer-SX990-rec-sch 维修电路原理图.pdf

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1、sx-s|90AM /FM STEREO RECEIVERsx-990ROUND LABELUNITFSAWFWl/FVZWKCWKUWNBWTUNER UNITFM FRONT ENDW1-030 W l-028 AWB- OO 1Wr-028 W1-028 Wi-028FM IF UNITW2-03iW2-032wr2-032W2-032 W2-032 W2-032MPX UNITW3- 026W3-026 WJ - U Z OW3-026W3-026W3-026AM TUNER UNITW4- 008 W4- 008w14- 008 W4- 008 W4- 008Vv4-0r5MUTIN

2、G UNITwl 8- 026 W8- 026 W8- 026 W8-026 W8- 026 W8-026HEAD AMP UNITw5- 049W5-049W5-049 W5-049 W5-049 W5-049CONTROL AMP UNITW5- 079 W5-079 W5- 079 W5-079 W5-079 W5-079MAIN AMP UNITVll15-060W5-060 W5-060 W5-060 W5-060 w23- 006POWER SUPPLY UNITlilt6-022Wo - u t lWo - v l lW6-022W6-022 iv1 6- 065SWITCH U

3、NITwl5-081W5-081 wl 5-081W5-081 W5-081 wl5-081SWITCH UNITwl 5- 082 W5-082 wl5-082 W5-082W5-082 wl5-082SWITCH UNITTONE COLOR UNITCONTROL UNITVvl5-080wl 5- 080lll15-080wl5-080wl 5- 080 wi 5-080MIC AMP UNITREVERBE AMP UNITREVERBE UNITINDICATOR UNITwl8-012wt8-012wl8-012wl8 - 012Iill8-012wl8 - 0123 7Radi

4、oFans.CN 收音机爱 好者资料库Model SX-990EozzN-oe9ooi3 t : 3 3 1UJ-IUEtsllEl st 3 F6Er ti f ,I Fl lElLt t9=ooz7zE-oL- 8 . 1oeteeq 9 9 9 96 S H H HNodEFFE;o3d=F a E dq -u 9 9o g g o o o* * z z zH H H g 9 9-NO9O =6 3 =o o oi 6 6 r9 t d = 5R . . lF ;5 E Z c620-9lr I|Nn dWV ouLNoJEG)-o ( )Ja- A . v A ( , ezlv9qf

5、, =lClo : (tto6 ? O - 9 l l l.lNnFzUzF=oo-r3=ozuoFO=oE-r-5338RadioFans.CN 收音机爱 好者资料库sx-990SX-990 for FVW model- .c d cF=,oo=3 H * 6 g EddFd*ICEI3 E;lElEE EEoo X a . 14 u Y + i rr ; : c d E dd d d = = Y i u 4 E E E e 9 - 5 6 ; ; i l- .:- J oooIXl-l oiH;I = c , i.-,/:_-;/o6)9| (elr:tr+ R|- ed_BLINN dh

6、V N1VI.I3 .S; -090-slMlv=;dE= =(aYu =ll-r080-sLM -trNn lourNolz_-=?L -d ;) / o a?ers-o) os?oTIAN =-.oooo- J-l (o920-8LM * INNE = ? elo-str,I I N O d H V C V Ho= -6 !- fi.-At-A( L ;itdB3 9sx-990for KCW model+r E!dz =x $J ; =5 ii -Anio r u u E , ,3 = o-B 3tt aY 3p ti : + =:,t -; z a iO - ) E e o- o -

7、= =&al6- tItzet3N NVHl -Li3-lldlItlt;lI E IU!ExHOozzAIl;ltltqlartt E lEI:Ei=-; i-5so i i 6b E E =z Mz/ ut|ezb3l;ltilEIils ffi:;gFo2o -. *12: 9el0.00r j r Evoou FB Jo9o-srM llNn d!lv Nlvll:_-tVUOI NI-NIVHo : - 9 o e ( s ) v o o sd oYl o 090-9rM !Nn 10urN03? 6LO-slM llNn dlv 10urN03o Y / o ; o .*Yts;

8、6 e 56? sto-stmrlNn dl,lV 0V3HR40sx-s|90SX-990 for KUW modela q q9e,/000!,IJ.3o1FnEI.E EILFI t.5t tEll;l l-l lalUUUtr+YYIl b lt lt6ltFl?6Jh, = r e )E ?zz- :9 9oooIXqr5 61: ost( o 9a - #- w / )sG) r(t-esru I O090-srM ItNn dlv Nrvl.lzlv | 1v -9 + F Nv =:Nig3- - dU-= 090-slM rrNn loulNo)2-S ei =_ or:ol

9、_+ ? jiJ V r r z ) - s r 9 eY 6: .6Yr-OvO - =Igr/5 (l/o:(o(9o e+? 6 t 0 - Sl MrtNn dhv 0v3HFzzli s-tt00-zsM4 1SX-990 for FVZW modeltr+!q*troz2;Eo-=zloodH E;T E3oJ.Et= t5ll;l-tFlt-FE l h r h t Elil lll lrl FlR.a;l;1tTlltg=-aL 3 r z 2Eo6= F =; s 3 o o -a I ! o o oY ; a , ;P ; ; G &- -ooo)Ixa(+) |-ae,.

10、 l c ) oNrvt,lf ,t090-9lMa&e7 t Si =-i.f6 (!rr*080-stM !ilo l0urN03i a = s610-91til Iritn dHv toulNolo:e, I(o! E II_) o- a toND )( * - i , , 5 o n = : r 8 6 - n t n- i i o o o E S J j : tEFfrZ=.2 E:*ii7 - - 5 t L t 3 a ; ; ; ;- : e 0 3 0 ; 3 e 0 3 0t a. :; ?* u t r=t _ =ozz4o.x9- E d =3EIt5t *lil iE

11、xil:l llLFt t,5ll;l l;lUU:,trl-o tl3; 6-uINN dHV NIVI,I900 -ezMzJv ,lv te?-= =080-9rl/ trNn l0urN05z :z :F2 , : 6L0-slM l-lN0 dtlv -l0B1N0l- , tv a = z r-ptt il- d te)_ i=(o) u-a -=.2 g - o O(ao - lo R ) l -60 -9ti,ll.tNn drlv ovlHz o .= I + B-ri-ttzv)IIIIt-l1 7 ,IIIIII-JIRrC525K1sYGR OO OP2 S K 3 3

12、 D E 0 0 0 P3SK22GR 120Q t000PII;M IF UNITFH I F U N I T04 TAI060Pi, TA?060P0, TA060Pa TA?060P. t +t 5 vt2 Tt3 041R 6220K9tE)a+lE3 OOUTo t. T9 x4sFM lF UNIT for FVW, FVZW, KCW, KUW, NBW model2I04 TA106OP03 TA.l06oPa, TA?060Po, TA?060Pls|8s :Usg-!1,0l+E3 OOUI:-!_I:! j1r_ JT3 TqJ-041F M I F UNI Tw 1 2

13、 - 0 3 2MPX UNITM P X U N I Tw 1 3 - 0 2 6t/ttiil it Iltrl IIfl- r t o O4601 2sc46104 25C460D?1N60032SC450TUNER UNII-t-oT.lP14V.-tos 250460$ , 1 4 - 0 1 5sx-s|9clfor NBW model47MUTING UNITMUTING UNITw t 8 - 0 2 6CONTROL AMP UNITHEAD AMP UNITCONTROL UNIT0r 2sc458LG 03 2SC458LG as 2SC458LGr- -itlI i,

14、c,.$oP Jl; | | iIICr3 3t-/c ,s l0lr5IIItIIIIIIIIIIRr 330KRn33t, _ t+ e t; - lNrxt5EsFf -ro-dP-l- *. - o l ed + | , !R r 210kR r22KIIIII Q z 2 !001 K, 0003c45lrLCR zs22a 2SC458LG 05 2SC458LG33Kc E 10/1sII;il3R 1 o 3 3 K JEic4100P-l-c5drlOK R n22Rs 001R y22rHEAD AMP UNIT$r15 - 049CONTROL UNITw15-080CO

15、NTROL AMP UNITw r 5 - 0 ? 90,2SC8?la,zSC811c0.2/25; -all-.(High Cut)48sx-990MAIN AMP UNIT062SC49122Kv:2SC491 02SA497 0,2SC1932SC491 oaA4gl or,2SC193MAIN AMP UNIT for NBW modelM A I N A M P U N I Tw23-OO60i,25C1930 !25C?93=f_=* n,zsc+sr $49INDICATOR UNITTNDICATOR UNITw 1 8 - 0 1 2PUSH SWITCH UNITPUSH SWITCH UNITw r 5 - 0 8 2LOs/ CUT FILTER HIGH CUT FILTER !- - - - - - - - - JPUSH SWITCH UNITPOWER SUPPLY UNITPOWER SUPPLY UNITw l 6 - 0 2 2tlPUSH SWITCH UNITw l 5 - 0 8 150SX-99OY UNIT for NBW model