Brother International MFC-7050C Service Manual - Page 136

044 001 04 +22V +sV o o +11 .75V 052 _ as 00104 i. p_ il V001 1 voG2 A V002 B 2 041 10264 I C.0104100104 g., BUS SOVSOV VGG3 SOV SOV 120 DBUS 01 s 014 fil 8 PI F Di 5 2 Di 4 0 10 6 99 A a R5 . B 013 3 Di 3 98 A A4 912 011 010 09 08 07 012 Di , 6 210 7 Do A3 92 A2 96 95 Al AO RESETN 9 06 Ds 04 03 02 01 " p C.S1 1, DO RIS7 47 ,--,DMARE42 14A 14/ J 9MAAG. K2 9 1.5..5„ 47 14AD 'v vv 1.. ,%211../ 10 26 11 05 12 04 1 03 GPI 00 91 90 0P101 GPI 02 9 88 GP I 03 02 15 21 00 19 3N GP I 04 86 GP I 0 DR , 05 85 GPI 84 op, 05 83 20 DISAREO 21 2 DMAACK SMC05 22 xouT smoo4 1 A R291 A Al 1.y ` ES ET N O11 G AO 1 0260 i NG SOV PSE GI920 651 GI94G GS' ,094. H9ME CI95A ON2 V ,--, +5V 0 +5V 0 +,;V i_., 53B. 92G BI AS RA2 5 RA26 RA27 C>94B 10 Kx4 OKx 4 10. Kg4. Bi kT,,.. 3A pi.L I ,L1_6_E, pi_ 5 , CHEAT D .o3B COVER GT 50 , ''. I I • • II V V 1 2 3 4 ' 1 2 3 4 ' 1 2 174 ' " GD R U GNL K S" 2 I N SMG03 9 WR 79 iieDw 11 BD R 11 BC> " 24 WREN 25 RON 25 WRON SMG02 78 SMG01 SMGOO • +5V R136 7 SOV 0 2 RO2 2. I RO1 2 ROO 30 TEST S MG1 s 75 SMG14 74 SMG13 SMG12 73 1 . 5H BUS SM011 • 84A PA1 31 71 „D P RT I RO PAO SMG10 PA2 32 p, DOM 7' ' '' PA3 3 5A2 DGMO 2 p PA4 PAs PA6 PA7 3 5 4 As 37 pA0 oHy .8 OK RT GB4G G HSM . HSG 66 . RS ,--, , ._i720 H C>94G 1S . D. 040 PAS 3B p, PA9 39 RAB PA10 PAD PDPOL_o Room, 5 6 SOV P016 PO B PA1 1 pAi 0 p003,14 P015 42 PA12 PA11 PA.'. 4. PA12 69 POGM13 58 PDCM12 Room" 57 P014 P011 P012. 348 BUS P01 02 46 PDGMO 4 Boom, 56 PDGM10 PDGM9 BDB.ms 54 P011. P010 PD9 701 '9 205 48 PDGM2 4 PDGM3 50 PDGM4 53 PDGM7 52 PDGM6 51 PDC. PD8 PD7 PD6 GRPH1 Doi A GRPH2 D „ B "191 91A GRI 11,>„„ GRI 02 B 91 GRI 12 D918 FMMPPH1 C>910 F MPH2 Doi 0 F MI Olp oi 0 F MI 11 910 F MI 02 D ,910 F MI 12 , 0 VDDI 0 1 044 VDDI VDDI .. :IL* rj,,...,/ VSSI 0 8 SI z'd zd •JI vss , 0 n, . c0104 .4 0+50 OSOV PA1 PA2 PA3 PA4 PAs PAS PA7 .2 1 2A 3A 4A A 8 8AA lY . 2Y 3Y 7 4Y sY 7 R59 R60 R61 R62 R63 R64 R65 39n 9n 3911 3911 39n 39n 911 BGA1 BGA2 BGA3 8 GA4 BOAS BOAT 059 00104 066 G0104 IT1--71 SOVS0v VAS PDAA910 PAll PA12 PA13 DON 9 PGN■ 2 1122 11 216020 goy *- 10119.. 1 voc2A " vg.g.2 g 2. 1...., 1057 10265 oar,' o4 VGG3 SOV SOV '2A 5 3A 4A sA B SA /-7 A n „A 3Y 1R .:.. 5Y1 14 7 R69 R70 RT1 RT R7 074 39L1 xy~ 3911 39n 39n 92 911 B GA8 BGA9 BGA10 BGAll BGA12 BGA13 084 00104 093 G0104 81 G PDBUS 820 .E.-. as goy goy PD1 PD2 PD3 PO4 POs pnn PDT PDT 0106 GG104 0104 00104 117 . as SOV SOV 09 01 Di 10 012 013 2:114 01 5 016 OGria._ PGNO-2. 0, 4 G016020 SOV I ,2 1 VGG3 VGG2A 14 VGG2B ,n VGG2G VGG20 1-0, 1 063 1 0252 10266 100104135V/ 220) , goy goy SOV ..1, 1A 2A SA 7 4A A 1 BTAA 5 lY 5 2Y 3 4 5 16 7 s 8 FAULT' SOV "" 001603D • 1 14 11 VGG1 VGG2 A 17 VGG2B 2 o 0GG3 V0020 V0020 r_ y:. .. TIIII III ) ' t, c.:, v NCy., L 1 094 0253 1026 7 ' G.' . 4 1 3sv, 220.P 1 00194 SOV SOV SOV BGP1 BGP2 BGP3 BGP4 BGPs BOPS BGPT BGP8 I SOV 11A ,i 2A 5 4A sAA'. TA 12 8A lY 2Y 3Y 4Y sY 6 s 8 n 5 °Ng _FAULT . Jo SOV 1126 0216032 o3o FAULT 930 4 ■ IIIII tiC., , ' BGP11 BGP12 BGP13 BGP15 BGP16 BB US 95A 62 vssi ,:) 92 vssi o C A 5 Main PCB 8/10 6