Brother International MFC-7050C Service Manual - Page 137

+5V 0 +30V 0 SB10- OsPOP x4 • 032 - GG1 04 8464 GRPH1 30RET B4 ,,,,GRI ll B4B 0 ,GRI 01 1,18 6KC F) .--Eto 84 , 0 ,GRPH2 cc47 i B4B ,D GRI 12 846 'D ORI 02 1,16 " VGG VBB vee" a 00 11 OC -1. 020 : 35V/100P 25 „ PH1 „-2I-3 E. 11 MG VOIR B VO1 6 30RET I 02 R9 0 91 1W E1 3 27 031 26 VRGREF1 2R11: 0331 SEN1 io ,. PH2 VO2A 9 II- . EN2 VO2B 6 Ra 21 : 1. 2 E2 12 0.91 w R17 G29 :11) '0 1----7:11 ::r2sEN 211 C28 CC47, // 105 NNGo 30RET30RET N28 LB1845 GGT4 O 30RET E. GR - 3 4 848• OH 83B +11 . 75V 016 01-0143XKA BHEA - -- I I R38 330 R37 1K - '01 5 :2SB1197K __I BH1 R39 1K SOV +11 . 75V R 28 100K HSBI A s 8 26 330 036 00103 5° +11 .7 sV R27 33o R 29 100K N29 BA10339F + 8 BBAS 86G B .,, 83 Rs3 HOME 3, 9,. -1-039 TOG1 03 SOV FLTGHK C BBB 014 DTG143XKA CHEAT r--- I I R49 330 R48 K -- I 011 :2561197K _ I GH1 Rs4 1K • SOV R30 100K 50 R25 1K SOV G35 G0103 10 - 11. • 13 N29 BA10339F +5V Rs2 22K Rs1 240 ( 3216) BGA13 BGP1 5 BOAl2 BOAT BOP1 BOAS BOP3 SOF, BOA9 BO, BOA10 SOM .' ■ BO. ■ BO P11 BOP13 P19 FF01 23 22 21 20 9 8 7 6 5 4 3 2 1 0 9 8 6 4 3 2 23FMN- BTK +sV R55 240 (2125) r_ A PH1 : SG- 206' I I \\.1 R93 22K PS 3A +30V 29 BA10339F , Soy SOV S0 1 8380 ,°N2 034 00104 (2125) +5V +11 .75V +11 .7 sV Oa DTG143XKA r • . R21 10K D1 8 DA114 --- R24 1K R23 39K SOV SOV a 5.0,FAULT R20 3.3K 07 2..2412 R22 100K SOV R36 6.2 K R3 5 510 SOV +5V BBB - BI AS 012 DTA113Z KA N29 BA10339F R31 5. 1K K2 PRT 033 0104 SOV BBB. R45 330 (3216) 838 .CI BS1 836 (=I GS1 FL GHK.,09 ,,,, -: I I HSB I AS 019 D14 R44 330 (3216) +11 .75V _a M BGP14 BGA6 BGP12 BGP16 BGP10 BGA5 BGA4 BGP8 BGA3 BGP6 BGP4 BGA2 BGP2 BGA1 BSEL SOV P20 FF02 23 22 21 20 9 8 7 6 5 4 3 12 1 0 9 8 6 +V +30V 01 69- G0104 848 c,Bm p, 30RET FMI 11 8480 ,FMI 01 R171 56 K( F) . 71TT B4 B ,D FMP H2 GG471 84B C, F 84B c„FMI 1022 R187 :!!W"I'Ll 0170 G0471 28..,,, 8 _1_. SB10- OsPOP x4 V 0 -4-. .,- aG 012 0 00 0 35V/100p 25 PH1 24 23 ,E1N,,,1.1, MG ., 7 v, B 6 RET 22 102 R4 E0 ., E 3 R172 O.91 1W 0152 I. - F 1 3 4 B4 B- PH .-VREF1 2 1K SEW' 14 ,S,, PH2 VO2A - 00331 II-. .EN2 V026 8 20"2 R2 ' I 02 E2 0.91 W R1.8 0171 :tf::F2sE 1 G01,31 G NG 010 R42 1 .33K( F) (2125) 01,143Xr KA : 83GIDM SB • : I J8,7 R41 1K 8300$ S 013 DTG143XKA I SOV r i .,,, I._ ---- R50 1K R47 i1 . 330( F) 94.4( SH ' 2 (2125) 94BID C01 TCSI 2 v., R43 39n G37 R46 39 n I I I __ I SOV SOV 038 1- 00821 dl SOV BH12 GSEL GH12 SU OV 3 4 2 2 3FMN- BTK D 30 RET 30RET N16 L81845 30RET A Main PCB 9110 1 2 3 4 5 6