Yamaha K1020 Service Manual
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Page 21
K-ro20 I tc BLOCK 1cl01, 1O2,1O4,107 - 111,505,702: AN6551 or NJM4558S or 8A715 |Cl05, 112: NJM4556S 1C106: NJM4560S vcc Vor -Vhr +Vmr VEE +Vo2 Vmz Vo? Vcc 1C113: rrPD4066BC or LC4066B or M4O66BP 1C103: NJM2043D 1C114, 503, 504: AN6873 or L81241 1C501,502: HAl2067NT { -NOSo@N@FFFFtsFFFOooooooooo -NO9O@N@lzzzzzzzz ^.-V n tr22I N/QUT OUT/IN QTIIN IN/OUT2C 3C Vssc 1C506,507: 8A6209 ORIVER (+COMPARATOR} t9
Page 22
K-ro2() 1C115: LC7800 1C117: ic14680:I Ao BoeoDo Ar UIet Dt i^ az Dz Aggs Dc OUT OUT OUT INH INH SA SB SC SO 1 High LevelO Low Level*dont Care Case GND SELECT IN Oo O.OBo Br Bz Ba0ltltorlttoltrt0tltlrltltttltrtttttltttllrttttllttlttttltttltlll*)k******:f**t< rttltrtlltrttttl0ttlr0llltOlrtt0lttlrttltrllltrllttlrttllttllttl*t(**+*)kt 1.t*,k rttltttlrrtlrttltttllttttltlrtl0ttlr0rlttolttt0tltlrttllttltttl,1.*** +t
Page 23
K-lo20 { n 1C601,602: TEA0665 1C701: AN6291 IuLUO5?=3oztsz>o-u =2=-N 2= s 3 3o(J>2 F = g z3 oz-Ntrz-Lcl=
Page 24
I SCHEMATIC DIAGRAM D ::::,:,.,t ....:.,. ICr0rNJtr4558Sor AN655lor BA?15 ICt02NJ14558So. AN655lor AN655l FIIOIG€9008?or GE90l81 -:=; rg ]:1tli t: s IC104NJr445585or. AN6551or BA?15 tt,l. :u,.iii -:1- -- i ri; : r1.,;;;ryi6
Page 27
M K-ro20 eqE*€ 56oo qz d lli tx r75di1t;i,i::i.i4g$llry],i9{ i.\*ffiti{isi*?l r:lll!.:qitiitf!11@rt! :tii:;;ii*llc+l,,rr,rr:g |P04056BC {:rl: or M4066BP i..,::r or m4ubb6r:ll or LC/.0558 25C2060or 250400TRI33 MArN 4-8 i MAIN 2 zz oo
Page 28
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Page 29
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Page 30
Fur6uo asoql o1 lenbe suotlect]tcads 6utneq sued qltM psf,elda.l !Or U pa)reur ere scrlsuerrereqc tercads 6ur^eq rtffilHo;; i, ec!]ou tnoqln e0ueqc ol lcelqns v ue$e1p cqeueqcs*oleul Uo^ etJJeap CO A/zJWOl e qttM peJnseeur ate saaettori ltv*puirs-ou1 apouJ AVld te edeJ H1 ^q pe.tnseeut ere se6evo^ aqJ* apocua xqp ncua Aq;og apocop xqp pcap AqloO )our procau ru.t lceqAeld n o-ll lvN9ts i N0l1vu3d0 iI t?cl! I JoLs I luoH:tr.r I HIUV3S/i llnx i u01lN0r.r i lsnvd/33t i lvrd i A3U i______-___ 6X...