STEREO POWER AMPLIFIER X-1000/U f IMPORTANT NOTICE | “is mana as en oie fa he sf athe Yaa Reta i se ex Prodi are aendy thaw and undessood by tunes and have theta not bee ete. WARNING: Fal alow serpent rod wen mcg i rt tin pers Ir, Sarton of taper component an fur Ofte Biot to perms eli Fre nwo se oma owes Sav so ed sl pracy verted Vata Reno te IMPORTANT: Ie romano kof ht mal any nim do a tie ston, ceietion reopen of any apaabie thea pai, oF Enh pnapleagint atone of ayo “The dat prides teed to be accrate and polite 16 the ui) inated onthe cover, The Toafh, engineer, 2 seve department of Yanuha we conta Sig to imgove Yamaha Fats Weather, erate and spc eet ong wi eo WARNING: Sate sce cn destroy xin compan Duta yt deity ae he crusted by roupeag Yau the rund oum nthe i ey ‘ote Dat wires connect ts Bo. IMPORTANT: Tm hans OFF sng Sey ad prs cme, Recheck ll wk fre MICONTENTS TO SERVICE PERSONNEL . 1 DISASSEMBLY PROCEDURES . -5 ‘SPECIFICATIONS 1 ADJUSTMENTS ..... .8 FRONT PANELS 2 PRINTED CIRCUIT BOARD 6~13 REAR PANELS 3 SCHEMATIC DIAGRAM BLOCK DIAGRaT 4 WIRING. . INTERNAL VIEW . :4 PARTS LIST YAMAHA [1001 85) YAMAHA CORPORATION sean Boe Heres lopanMX-1000/U MX-1000/U ITO SERVICE PERSONNEL 1. Guiteal Componente Information. Components having mecial characteristics are marked land mutt be repactd with parts heving specications tual to those orginally sortaleg 2. Lenkope Current Messurement (For 120V Model Only) Wher service hes been completed, it le imperetve that yOu verify ‘that all exposed conductive surfaces are. properly Insulated "vom supply iruite, Meter impedance should be equivalent to 1500 ohm shunted by0.18He ‘© Leokape current mast not exceed 0.6m, 1 Be sure to tet for leskage withthe AC pug in both polarities EQUIPMENT ONDER TEST OR EQUIVALENT A © POLARIZATION (U, C models only) ‘This amplifier product is equipped with polarized alterna ing current tine plug (a plug having one blade wider than the {ther}. This plug wil ft into the power ule anly one way. e| DJ WALL, ourter ————— INSULATING TABLE ‘This ia safety feature MSPECIFICATIONS Minimum RMS Output Power par Channel Power Consumption ole 20KHe ‘00W, 1200VA (U,c) 1.003% THO, 20. 260" sow (a S.007% THO; BN 235" {1700W (A,B, G) 0.02% THO, 3a. Ey RC Outer “Dynamic Power per Channel” {by THE Dynamic Headroom measuring method) 3a. “a50" en Seow an 770" 2a Seow ia. 10008 ‘DIN Standard Ouiput Power per Channel Th, 1% THO, 40. TEG Power (Nie, COTE THOT 3150 1g) en S750 () a0 420 (6) “Power Bond Width (0.09% THD, 1300, 802 Joke ~60KH2 ‘Damping Factor ain, Tee 130 Taput Sonetvity/impodanee MAIN IN s2v/oKe. Froquoney Response (20He ~20KH=) MAIN IN +0,-0.288 Total Harmonie Distortion Bohs ~aokhe ‘70 SPOUT (130W/80) 0.003% “Temocabaon Dorie ated Output a 0.000% ‘Signal to Noige Ratio (HFA Network MAIN IN (Short) 12608 MAIN IN ( 12208 para Input Shorted (rke/ TOKE Power Supply 3008/7268, ‘AC220/240V, SoHz (8,6) ‘AC110/120/220/240 \, 50/60H2 (Al ‘AC240V, 50H (A) ‘Un Switched x 1 Dimensions (Wx Hx BY Ware 20.5 (46 ib 4 on) * Specifications are subject 1 change without notice. (Une USA, Model fo) 2 Canadian Moder “Austrian tod ‘rich Mode! European Mode! General iodo! + pimension ————— : a eos ool: Unit: mm (ine) AG LEAKAGE TESTER,MX-1000/u MI FRONT PANELS ‘© MX-1000 (General, European, British & Australian models) (© MX-1000U (U.S.A. & Canadian models) OTSTMX-1000/U MBLOCK DIAGRAM e ; Rar cinco | | FO seanens murine ro |* a vesting 3)" nvso3a fod [—]O]*, i rede oe vor 5; WES oe WW on 4a an METER PEN siov--OSELEEF enti es “sreaens— = “=i | | INTERNAL VIEW OTS @DIODE BRIDGE : D5FB20 POWER TRANSFORMER U model : XE197001 model : XE199001 R model: XE201001 B, G models: XE203001 ‘A model : XE686001 @POWER TRANSFORMER U model : XE196001 model: XE198001 R model : XE200001 B, G models:XE202001 ‘A model : XE685001 @FUsE U, C models: 10A, 250V x 2 A.B, G models: T4A, 250V x 2 Rimodels: 208, 250V x 1 @METER UNIT @MAIN CIRCUIT BOARD (1) @FUsE U, C, R models: A,B, G models: TA,12V x 4 T6.3A, 250V x 4earn ‘MX-1000/U DISASSEMBLY PROCEDURES 1, Removal of Top Cov Remove 6 screws ( ()} in Fig. 1. and slide the Top Cover back. 2. Removal of Bottom Cover. Remove 6 screws ( @)) in Fig. 1. 3, Removal of Front Panel Remove 5 screws ( @) in Fig. 1. ADJUSTMENTS © IDLING CURRENT ADJUSTMENT Wait 2 minutes after power ON to stabilize amplifier operation without signal ‘Adjust VR3O1 (Lch) and VR3O2 (Rch) so that the voltage across the terminals of R579 (Lch) and R578 (Rh) come to 10mV + mV DC. Tonos | Ane | Ratna oo Lch | nals of R579. vRao1 See ee ‘Across the termi | = Rech | lof O78 veo_| © TEST POINTS Fig. 1. @ METER LEVEL ADJUSTMENT 1) Set the controls to the following positions LOAD selector : 82 Amplifier load : No load or 8% PEAK HOLD switch : OFF 2) Apply @ 1kH2 sine wave signal from LINE IN so that SP, output voltage is 28.3V AC. 3) Adjust VR101 so that 98.3W ot the digital meter display. 4) LOAD selector : 4 Confirm that 199.W of the digital meter display. 5) Confirm that all segments fades out at no signal condition,MX-1000/U 1| MIPRINTED CIRCUIT BOARD (Pattern side) Main Circuit Board | ————>To: suB (2) FROM: POWER TRANSFORMER TO: MAIN (2) (PETE FROM: MAIN (6) 5 TO:LAMP ErOMt POWER TRANSFORMER TO: SUB(1)A 8 | ¢ > : ‘MX-1000/U MEPRINTED CIRCUIT BOARD (Pattern side) ore) 300 : component side Not) * marked = Z a et ek R573, 574 OPEN 22 6557 ~662 ‘OPEN | A700PTIOD. a ‘Main Circuit Board (2) TO: MAIN (4) FROM: MAIN (1) Main Circuit Board (3) ratte IE mn wl ae & FROM: MAIN (1) — 7 1S a a Ne |Z )e : : P| z = = , 5 1] 3 E E i f . z : \ CT | i = Sub Circuit Board (1) u i ¢ & | : ' } ° =) FROM: MAIN (1) > 5 TO: MAIN (3) Bree a a ®- o- o- @+ Or @+ O+ + ae SARER C_— —SPEAKER B— o* speaker a&a 8 ¢ > f F s 4 PRINTED CIRCUIT BOARD (Pattern side) Note) 3c: : Component side ‘Switch Circuit Board ‘Main Circuit Board (4) FROM: MAIN (1) FROM: MAIN (2) > >TO: MAIN (7) Main Circuit Board (5) Meter Circuit Board POWER PROTECTION om_e>7? MAIN (6) Main Circuit Board (6) FROM: MAIN (5) LEVEL:MX-1000/U MIPRINTED CIRCUIT BOARD (Pattern side) U MODEL 1 & FROM: AC CORD 2 R MODEL z g B 3 || & = ‘Sub Circuit Board (4) os ‘Sub Circuit Board (4) & G2 2 53 3 lel wi se 2 ge er i} Be 2 3a 3h |_| A MODEL ‘Sub Circuit Main Circuit Board (8) | ub Circuit Board (3) : ‘Sub Circuit Board (4) [Sub Circuit Board (3) I B,G MODELS & 6 z & © MODEL 2 2 FROM: AC CORD cS ao w2 G2 32 38 me RF =| & 2 ‘Sub Gircuit Board (4) Fe ® es 5 oe ae SB: ‘Sub Circuit Board (5) ‘Sub Circuit Board (3) Sub Circuit Board (3) | 12 13WIRING MX-1000/U MAIN (3) ress Main (2) eooege-d cis MAIN(a) MAIN (DD xéz03 suB (4) U MODEL. —— S90! sup elas ge aie sus (a) UB (4) A MODEL. xesse. te 5 uB (4) TSTPARTS LIST MIELECTRICAL PARTS =WARNING Components having special characteristic are marked. \ and must be replaced with arts having specications equal to those originally installed. ‘*Carbon resistors (1/6W or 1/4W) are not included in the ELECTRICAL PARTS lit For the parts No.of the carbon centr, rter to'p. 28 fet | att Owcroton sae tenets | Comma be] x|__|waa9'76)60| stan Crow Bowed eave=r | |na‘osioe.oo| z z | _[na 09176170)» a & x{ [na 09176100)» 7 =a 86 FU | 3508 00] Mica Cap. wr S| fA a >| csea,se ~[ruissiweieol 7 S8pF S00 ” csia~see Fu as aa ao| gr 0 7 5a 8 TE «| Tre aris e0| Ripon Fin co. | 0.0? ao] _7_w a > [es 6 | _[ ari ao'co 7 3t09F 1007 a 09,510 ieee) “er 1oW| cssI~582 ae ura aco) 2.014F 100 7 63 64 a FA16: 5100 yar Gp Oink so] 49 = 3 > [ome FE [0006 70| Meats a. dona ow ww 3 > [osamoeo Us [11 a2 20| Gace can zaisFe.v[> 8 3 > [caso whaiesiao] 9 F160 7 es 507 ute at‘oof “cours 7 esi Fa uitee'zol zasr__sw[@ pa > fos Uk | 16 6470] o 1uF SOV 7 C549 | Fz sei00f a (out. Fov97— Fay [oss ww e797 TF 680 5,56 ve fen! 27‘ oof a saree 3.508 we iariio0| a aur S00 csr 508 [Pre faeoo dant io | 4 F747 2 a> [oa {Te fae’ a0 oo] voor low] rea duo Re xfesi we we oor gat fre | ‘HU 57/54” 70] Metal Film Resistor 4700 \/aw | & MR WL MEH REON, S02, 505,505 Hu soar on 7 0 VaW 7 si si | wa si 7270 7 ava 7 a 50,5 | [i fea sso Gar Rese 0a =e > WT 8 vu fas a1 foa] 7a 7 e078 | wea] aa Ve 7 E05 | Hd [35/71 (00) ” Toa aw) R580 | Wasiaao] saat 1/aW 7 set i Masi 7ei70[ avn 7 15 5 Hiastereof a sev 7 F518 0 oe oe ooKa 174W | ” R540, 568 7 00am 7 FS, 0 0 wa fasta] ‘00a 7 nis 8 wu fas'an'e0] 200 few 7 [Z Ya a1 600 a nr eT ae weleieie| 7 2.20 aw 7 res fae ae 7 70am 7 5,56 56,57 Hu 32/53/30 a ‘soa aw] w se4~ 566 Wf 7 3.00 ew[ [rs — | a2 71100 nT Kew 7 RSeI~aaO - | TH 5a 00 ae PCa a aw | Ree — AS | Tot, | HY (a5 22/20] w 2.20 1a wo R573,574 8.6 fv 145/347 70] w 4.70 iw av R861, $83 ‘ehew Pots (FRB) Ne 16| MX-1000/U RE [een oesrton sas femurs | anae T anaes [>> 2] 1a [a5 a0 a at i ir Tac | RD — > | as ea 7 20 vaa 7 as 8 ies x ‘a7 7 asai~ss8 wes ae a 7 20a 7 FSIS~516 5 vfs a8 a 7 ‘20a 7 rea 58 5662 7 5.80 /a 7 0 6 7109 7 roa 7 F508 «| [ie es eo peomaer aa [o_ ease % 8/70 eo| Tamar ase _[ Poy Dx > — | ame TF atubst ofa SATIS 7 52,522 awa e| cs 7 ean waa! seoo] 7 2352 z 58.516 05. 05'@| 97 5085 08,0) 7 50,502 wistea —v zscisisc) 7 59,510 ez!) 9 scez( ar at) 7 7 508 ie asf o] v7 252600 F) 7 518519) er x {60731 60 ” 28c33i2iR,8.1) a” w Sa Te fa 600] cae 7 mss 7 250000 z e320 iF on 6 ee am 7 _4_# =F | poms SF We! a9"e4 co] aa 7 0519514 1H oof 420] 7 Tora 7 2, 9 iF 01 O75 | Zr Dae s.20 Vara 74 AH fosis iF on'soleo] 7 wazie 7 oe iF nea |cEDIRa) sursaman [ce 0 oss a 1H 00 1130 | ide ride sree ZEEE SEPA 1 6 co] pa Swe Faesat y+ aan VA 95" 1800] Voge Seer = Eo w wlswe z 7 [00410 Ray sean cen [or elo eo] 7 ws 7 re 8 « e ES oy 9 2 [pm S00) Fae ikaw es = aw z van! 6o] Teak as0v 7 Fs01~0 noe Bion si0| 7 7A" 7 Fsa~s00 wer Wa Te 00) er = Roe REF | cae ee valve s6'00| 7 = 7 asm, sat Vase 00] @ 7 eo 0100's 00| ee Fin ° PAA ey fom wor 00"s1'00] 7 a 7 caso {fue fe? sa!eo) a Gg EY R= a ED [costs x[ [te ieo's0 {a © 7 soe x [ [ve 92 Smee Tena = ppo- ee ae [oo peterfe) 7 * 7 US.RA 3 & 7 3.6 "eon Pars (BALE) A 718 Toren Ret on rats >> Ret | part Deseotlon was en ares Tw 3] Ve [79 ea oo Speake Teri e Spe -are Cama (£207 1060 Fore Woler Pin ys Prerrrrer es 18.6 tafeviie'70] isos = U.S. 1880707 00] Grama Pe Faas ‘807 OF (0) Bie ar 7 eae wag 020) 7 e100 7 06 «2. 90| Wane FoadeDe— (NA'09'7 80| Meter Circuit Board G21 2720 ooramie op. 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FOU 3x15 iors Fa 2.6x8 _7MG-81 x Bee AGF oe at roayan rae 7 3a Fake wD 7 ty aa ooues bm FoR Fy i Ke WADED ELTA aWAy Foe 779o a? Bway Fa ePTRD Ae te * = = = 2 = GNOv-eH = = 2 FRB V ELIAS qoeaao oF MX-1000/U 23 DOSMX-1000/U Parts List for Carbon Resistor Value] WAW Type Part No. | V6W Type Part No. Vale] WaW Type Part Na] EW Type Part No. vane T00 wes3100— | 12K we 120 nas T20 ato " is» vss 7150 wns 7160 wa09220 was3220 ie wns 7180 867180 43383330 | —_re#s3330. 22" 9987220 11057220 1353470 19853870 2 387270 was 7270 73560 ww¥s3500 ee TE was 7330 was 100 wess4 100 397 1387380 | was 7300 wass4180 wwesdi80 ar wa7870 ws 7870 wand 220 weesdz20 | 66-7 | wan 560 wit 7560 waasa270——| es oe 387680 78s 7680 vas4390 8854930 oa} 87820 19887820 wassd290 | wresa60 s1 387910 wes 7940 9388470 eesd470 100 * 358100 nras8100 | 1284560 _ wees4560 | 120» 358120 ras8120 isase0- w8s4680 150-* was8150 ws8180 4384820 "4884820 180 1358180 4858180 #5385100 F@55100 220 144368220 14058220 ws6110 wwassi10—| 270» wans6270—| was 270 was6120 wass1720—[ 330-8) 390 ws8590 rais8 180 wwas5160 | 380.» | wss8900 was 8390 vas8 160 x a0 wm 470 086870 — v8 180 wwass160 | 660» wns 8580 ws8560 19985220 935220 680» 72988680 wres8680 | was6270 | wasb270| 820» 336820 48s 8820 7386390 wes5530 om we3s8100 859100 75390 038300 i? ras 8T20 3 | 15955470 wr8s5470 15 = 1389150 wa59T60 i vagstO iss wsgte0 | —weesta0 —| aH wasBE8 22 388220 680 » 45385680 955680 33" 43389330, 820» 1355820 5056820 39% 1359380 310 © 10385910 #985910 a7" 13389470 wre09470 1.0Ko 43356100 ‘we886100_ L 126 11386120 ‘Fe86120 - ts wa8180 wes 6150 ie ws 6180 wees Zo was 6200 wans6200 7 220 4356220 886220 - 240 4356240 4086240 . 27" 11386270 4886270 ‘VAW Type ‘VOW Type 3.08 41386300 ‘x¢856300_ - 4280000 1880000 330 5386330 #856330 Aer 3.6 0 41356360 nFe56360 i Seen 3a “ans 6380 79956380 jaa} [47 | wiss6470 was6470 | om was6570 wes6570 56" 143386560 ‘wF3s6560_ : 68" 43386680 nFas6680 a a2 736820 was6820 z st “as8sT0 vangBi 10" 3367100 #987100 : 24MESCHEMATIC DIAGRAM General megel CARED FI RESIS10R — 7B Ela P#ODE-CARQONF L1H AESISTOR] NEWT MOLDED RESTSLOR SEMI VaA1aBCe— RESISTOR POWFR SUPPLY eH RESISTOR Suan ELECTADLY Lc CaPc IDR RANI L_CaPAi LOR PoWYESIEL Film CAPaCiTOR POLYSIVREWE FILM cAPaClTON MICA CaraciToR. POLYPROPY ene FILR_ CAPACITOR SEWICONDUCTIVE CERAMIC CPACLTOR | cwuTING ~~ [ pe ea t> i, 1c102: BAg221 12.Bit Multiplying D/A Convertor Ie101: Les812H LOD Driver * |v renee METER AMP on 12588 wel, sles W101, 102 (Ber Meter) Pll lls elo. Tn [vo om 2 | com |o curt hom! + [eow-fo = [ od «| =e fo wo [0 1108, Bin) sp To af iv tse [2 | oa 8 ets Se | Seton (a +s fe af ve, |= fo caf iv frp w fo =o Ta 5 [fo =f (vs, to [8 =e iv e ew [0 va fo (4402, 109i) fo = [3 v.99 ef [o =e ve cle uF IH NERS 1» ft [o wo [0] | Rembecmew evi, t = fale: wef fo = fe vw, w SETRTIA TIA SATIASIQ SIA TIA TIA SAS Loe) [2 [= To ws f° (102 Si ey a) a [=o = To vi t50 cf Loto =f (ve a cugmen seus = fo] = fo {v102, 200) i alm |e orf vit Ze amo cou | 6 | eo eamn a = [yon se [taxman me Pon ie ae [re Fo gL a 3 [Teri ‘Seon ae 1C2: sPo#B7ONA ata TT nos 13: Naas = fe 4 Doel Ope Ame 7 ern manne wf st vo) (4pint i ‘200 'V103: (Digital Meter) $88.8 cme ve. wale [me] ]e cove |x oor] [| « | bow s12 [ore [ore PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS. F Ae aan ong RAT a eclae cnet a WEEE 9| ~ 518 |s20 [saa