Yamaha K1020 Service Manual
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I K-to2() Description *6 ff g ^./li,Ji>2+v) 8p io I N2p.y j c.>>t.y) Test Point Pin7 Zlrl\4>lC> v4.-a> Metal Oxide Film Resistor +8Effifr lt>rZt 2t-h-tlrt-l: 2r*-r1t-l: HZ9A ;,2-f _rit_F A, A A XNew(fiHH6ff)
K-ro20 Description *B F € Hlt*zrE tl 7-71v7 i 4..vt>?ffiitfr Ez- /, /r. tv I -t> FL+tv/- V-7rv>t- J-7rv2t)nvl t\4>f 9Yt>) l!Binding Head TaPPing Screw FtTq)v2- lj/r,u->-tDolby Circuit Boardv1--a c609, 610, 615, 616 7* t-4> /a4 )v lz.y/a1)v SHVe=1.)?- d b xi/- | ?1--a> A A A A A, A xNew Parts (*in*$ff) )^ n \ ) II IlrPri I i
K-ro20 F T. qr r Ref.No.Part No.Description gE ff eRemarksCommonModelMarketst>? uA i25 33i30Mylar Cap33OOpF50vv4.-ac707-710 UA r25r36i8068OOpF50vc723.724 UA r25r 41 r000.01rzF 50Vc729,730 UA 25i43r300.033aF 50Vc715, 716 UA i25r 51 i00O.1pF 50Vc703-706 ur i45123130Polypropylene Film Cap330pF 1O0V,f.t)7aa>c711, 712 UWr93:71 00Electrolytic CaplOpF16V,l72A.735.736UWr93i72r2022pF 16Vc721, 722, 731, 732 UW:56 51 000.1aF 50Vc701,702 uwr56i54i70O.47 yF 50Vc713,714 uwi56i 61 r00ltF50v,lc726 HTr41r01160Pre-Set Potentiometer82.2kAYt)yFVRVR7Ol ic r26r03t10Transistor2SC26O3 (E, F)tr>r7tTR7O1,7O2 | l*H iC r26r34r002SC2634 (R,S,T)ldffig&ble iG r03i47rO0tc4N6551Itc702,ffiH iG ;07:68 O0NJM4558Sld6cMn€de iG I 13 r22 r008A715 rG 14: 61 00AN62911c701K-720 LB r02r 0l r50Connector15PsHVQa+2t- XNew Parts (#tq*Fff) 28
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TMECHANISM PARTS D^ X & *l t X X X XI v X ^A A A NB i62t45r20tl+)rf:yl. NB:62:4740 BA r09r 13 j50*i l- y I ti 4- 11, AA I 61 i93i BA 09:13:.vRJv-t ^r1l.y?i 7t1fr-rt- tf4a.ylr>/Binding Head Tapping Screw2.6x8 ZMCT_Ytt4 > f ?yt>?-?.9 CBr63r63r70 CB i63r63j80 1-12 iAA,62,43t,2O ,Fg>(e)Assy 7/t)>2.cB.63 64 10/y 2 . tr 9)cB 64, 33;80 Mechanism Unitthr.-.y1. lt> :fitt,y-t) y F A s sy cB r63i74r 10,it7rF)r/- t)yFri77 t).yF/f7,.)v CAr0TiZ3rSOt)yfrfMain Circuit Boardt1 NA ; 08, 62; 40 NA 08i62i50 NA r08i62jZO NA r08r6,4iSO F)vX-r-l d b x !_ |Operation Circuit Board7f.a>i-l lsiFfr>-GAr68i59roo X XNew Parts (trHCfe) 30
K-ro20 A A A A, A A A A A A A A Ref.No.Part No.Description gB ff €RemarksCommonModelMarkets>>? 10GA:68r 61 100Power TransformerlE;Hl.->^A,B GA I 68:62:00R l1LB :20 r .14 80Voltage Selector€E+dJtF*gR 12MG 00 21 90Power Cord7A 125VrE1t MGi00i08i4010A 125V 2ml{#Hu,c MG r00 12 r4C10A 125V 2mJ InterchangeableU,C MGl00 09 207.5A 25OV 2.5mffiH MG r0O 14 r907.5A 25OV 2.5mJ Interchangeable MG 00r09r602.5A 250V 2m1*H MG r00 | 16 1202.5A 250V 2m) Interchangeable MG i00 r 16 306A 25OV 2mH MG 00 r 18 1602.5A 250V 2mB taCB l 61 i681 10Cord StoppercM-224f-liZ, l.yz{- ItcBi62 01 90cM-228R,A,G,B 14AAr62i42i90Rear Paneltlv+tvJ AAt62t4/:20R AA:62144 30u,c AA 62:44 40A,B AA,62 44 50 tccB r63r63r90Rod SwitchtryF71yl 16cB 163 42160KnobvvSilverK-720 CB:631 42:70BlackK-720 17CB 63179 40Silver CB i62r08 20BlackA-1000 18c863 4220Push Button7v2tf,.92Silver cB 63r42i30Black 19CB r64r0Bl00(Red)e 20CB:62r07r 10Side Cover4t 1 F z) zt -SilverA-720 CB 62 07,20BlackA-720 21AA 62i43i30Top CoverIvafirr-Silver AA r62r4.3r40Black 22AA r62142 80Bottom Coverrt{f.Aht\- 23NB:62 01:40Legfi$ 24AA 60 74,20Nut!g,,/I 25CB i64 11 ;80lsolation Coverft&ht\ zocA: 07 t72i 10lsolation Fiberft&zzltt- 27cB i64i18 8CP. C. B Supportp. C. B+trf:_1. aoCB r60r56r2CPlastic Rivetar7r.y2t)ayl 29CB r06l88r8C 30tr33i00i86Binding Head Tapping ScrewFCRM3.BIt f i vt>i4.2PACK QIEi r33r00i663x6 FCRM3-BlPACK 32Ei i33I0! 063X1O FCRM3.BIPACK 33ED i 14 00186BW Head Tapping Screw4xB FNM3-39t\1>F4,+.>PACK Silvef ED r34r00r864X8 FCRM3-BIPACK Black 34EV 20130136Plain Washer63 FCRM3-Br+EePACK 35ED 02i00i36Bindino Head Screw2x3 ZMC2-Yr1>F,l\+,PACK JOED i33r00i663X6 FCRM3-BIPACKaacB r62 38r70lsolation RubberFhTEJt^ 38CB 163 07r60Dampar (M)t 2 ti -(M) EVr20 10 46Plain Washer64FNM3-39+EEePACKSilver EV 20 30 4644 FCRM3-3sPACK Black Accessories.ttBoa Mi 06 r62 i 10Pin Cord1.2mc1f xNew Parts (trH*8ff) X X ,A A A 3()3t
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l_: f.l K-ro2() TMECHANISM PAR.TS(MECHA UNIT) X x X X X x x X v X Y Y V X X X X Ref.No.Part No.Description g6 ff €RernarksCommonModelMarkets,>2 NB:62t5O:2CMechanism Unittfi:.=yl. NB:62r46:40Blind Plate Assy/i4>FzL-las sv l-1iF :0O 35 r70LED (Yellow)L E D(+) 2Ei r32r6Oi46Binding Head Tapping Screw2.6x4 FCRM3-B|\1>Flvt>21.!PACK XXr${r66;19Head Base^y [.^-z h>t*E 4xx i64i06r20Erase HeadiHzt 5XX r64r06130Spacert0.067^t XX:64r06i40t0.03 XX r64r06:50t0.1 8xx r64r06i6CHead Plate for EraseE ^ ..y [j tE (B)oxx r64r06i7cR/P Combination HeadR.,Pl>Hryl.10xx:64!06i8cNutiEE+t 11XX,64r06r9CScrewM2x4.t.Et+2 12XX r64r07:00$12xx r64i07r 10Coil Spring[EfEritvrr7-L A s sv zoxx i64i08r40Coil Spring5l tFrltvrt7- 27xx i64i08r50+>t)a1ntt4 zoXX 64 08160Plate{*EIIE 29XX 64108r70Spring PlateltEyhlr+ 30EZ i00r 15 i30Steel Ball627r-)v;iF.-)v 3lxxt64t14t20Tubel:19,l 32XX r64108 80Stand62.54t,/zt>7t>F XX:64108 9062.2 34XX r64r09r00Lever, RECRECvtr-2(xx i64109 10BeltA^i,vt 36xx 64i09r20Pully UnitJ_t)_J=,:/l o/XX i64i03r30Washerd1.8xd3.8xto.5f,r)7i1/-ny2p-K-720 xx i64i03i6062.1x64.sxto.1,)/7I XX i64i09r30Coil Springa1)vr{+ 40xx 64109i40Pinch Roller AssyScSo_7_A s sy 41xx r64r09:50Plate, ADJ3HilEIE 42xx i64i09:60Coil Springal)Vzl+ .{3XX r64109 70Coller2 44XX 164 09r80Change Lever+TJ +R v t\ 45XX 64109190Coil Springa I )V /t +z+oxxl64i10i00Coller2 47xxi64i10ll0Locked Platetrtifi 48XX t64r10r20Coil Springf4)v{7. 49XXr64r10r3CLever, EjectF.Wvt-E;1fE 50XX i64i10r4CPlain Washerd4.4xd10xt0.5+EKA 51xxi64i10i50Washer4Ax10.4x1.O.7 xNew Parts (ffn*[#) 34
K-lo20 -- ,,) a i=7 z I vj xx i64i10i60 xxl64i10i7062.7x65xto 5 swE{f+E +,< 4+ tttZ.SxO ZMC2Y -4p179>+-l-*E i-g-lL+YE ro0266 i>,i-=:r) T,, , -(E) Ttftj xx o+ lt,zo)a>tJv-i T w Y -(E) 62.2x65xto2tf.l z=< f --7r>!-d1.8xd3.2Xt0.5U-tr€#*E xxI64r12 I3Onm=1)y::i -r-Fl.itFt)- tv+-r- I t t y 7 7Jt)rrn r>+- ---------.-:--- tt 7 ,62s rNM3-!1 !!__-1- +.i 4. +,M2.5x5 ZMC2-Y f = zSr€ ?jZ iruss Head TaPPing Screw ,^ 4. ^ ,trtZ.SXtOZtttCZ-V M2X5 ZMC2-Y .t=YrC,r1ZF_-at Uuo Tapping Screwrr.r ge oo zotr,lZ.OxS ZMC?-Y ) -iilJFut (ffin*[f)