Brother International MFC-7050C Service Manual - Page 129

I 2 3 V 4 5 6 +3.3V +3.3V +3.3V +3.3V +3. 3V 01 3 NG 857 040 104 R112 22K N 17 AMFPG IR1 3 22K 105 CLAMP I N GPI 00 208 SPOND44A c• NG -I- 019 NG SOV SOT 103BC GS°N 1 ss Gi BATRSTN 66 B C WNPROT N 3 .0 N VBAT BAT RST N 5 PWRDWNN S WRP ROT N gc , '7. ,..4 ACI ACI ,, ......0A...4.7__.:21 ::: 64 Al 82 88 ':" 16 R286 1 00 FM/ 123 108 GLAMPOUT ., ADOLKI N ADGLKOUT 1 DATOUT1 1 DORT! N1 7 GPI 01 206 GPI 02 205 GPI 043 GPI O4 GPI 05 2°3 G NID45 B DMARE00,--, C_I103A MAACK ° 103A PLS D43A SP D44o c,7 r, SOY G0104 x4 SOV 001 04 x4 +3.3B R1 18 R117 R1 15 R1 15 C R AS 0 15A 9 RASO N A3 '' ' ,- ,',AL, „.- .3 0 109 DDATOUTO 202 GPI 06 D160 O +5V 22K 22K 22K 22K r56 .. 1° RAS1N A4 1-1 4 -AAA:4 -22 L 119 DORT! NO 20 GPI 07 E,_„, cv i_c- 26 B • O +3. 3V SO 11 R124 47 RASO 22A 02 15AC LGAS 11 GASOON As e l-N.A.A,-Ia A5 110 DATI N 199 GPI 09 Ili, ON G , . 3A P14 11 AS R123 47 LGASB 228 4.3.360 8111 66Gc, ,, 1,A0AK 0262 00102T 1 5A C . S 1 SAC RMWE 0,/ 22A 42 . R 6 R D.42. I 0128 G0104 RTS +5V 128. DBUS +3.3V - +5V0 SOV(} DO RA22 Di - I BOB- PH NG 0141 G0104 N12 74AGT244 10 10K x4 02 D3 RA23 DD4s 10K x4 06 1 I-- - - i , +3.36 SOV RA24 " ___ 08 Dg , 10K x4 010 011 l- 19 S 80928 R102 RA21 01 2 Di 2 011 10K BAT RST 11 A 10K x4 014 21 01 5 b 001 04 0113 c i C." T00102 / 5 GAS El N 179 SM2 kAAt 9 RM2,--, I__1420 SOV SOV +3 VO RIgA. 1 1C,-. 25 S VS! RON D1 5 64 1 ,1 -',.174=1 1 5 5010 178 m 05 RM4 D42e ,,13 Ri2 / N. " EXEGN I314 6 3 2 - ANAA-:7- "4 4RA2. 94 0 +3 0 3V 47x4 74HGT7 007AF SOV +3.3V SOY O-4,- PZAA DBGRO 01361 3i ANAA.-16 3. 7 PE 169 +3. 3V R128 C 2, 912 13 12 APE 64A -> 140 650 83A 103B R293 RESET N NG 8134 1 . 5K 1- Gll 9 NO Ri., BREAKPT TWAT TN '24X. ' LI TEST 21 RESETN +36 3' 012 6': D11 58 ',,-_-..1.'',._/ \,Z, -1a5-- . DO1 12 i 2 r ...\CA-11-.0.R 10A32 I39 57 ' - '.11NA./- os 4,,A D7----i r "• 07 RA31 ■ ' VGG • . VGG 2 v .. 72 ,.. " •34 VGG VGG 7 STROBEN AUTOFON 176 174 SLOT! NN I NiTN 173 172 BUSY 74ACT24 3 S y A 'S ASTB Cs4e AAF, s4s 7 Y 9 y 13 A ASI N.0848 A ll AI NI 8 A 1 2 Y ABUSYr., I__164A G53 G01 04 +3.3V 921 TOTWUO4F 3 4 01 1 s CC104 920 a. ,2 Al Ft2 4 VSS VOG 750V TE 6 SOL s .DA R101 4.7K L "A 12 . 14A SOV J P1 NG R4O . 0 . ,f , Ds 5.1 ......0A.2 . 1 5 2,1., \ / \ . 4 5. Cr 3 4L.....„AA I-- , 8 6 47.4 , I.I . 03 RA30 36 VGG 48 VGG • 167 VGG •" VGG AGKN 171 sLorour 170 FAULTN 1" 6 A 4 A 2A IT y 14 AAGKID"A y 16 AS LGTID"A +3.3v l 8 AFLTD . " A 8A24 ii LT 10Kx4 SOV +5V , ,,,v EEPROM 32K 8287 100 / 71 12 .- 4- 10 • • 52 TOO 1 I 1 54 TRSTN 1 65 T MS TOK 02 01 .4.3_ AA,-17 ,:_vi.,./Ids 02 47 x4 82 7:... 1 16A, 21A. D. . US 32 ,4:. : A 4 \ AE3 93 \ A02 92 103 B 195 v .. 1 GND 7 GND ° GND 2 . N. 1 . N. 2 . N. PI 0. 65 PI ODI " PI 002 63 PI OD3 62 oso, I ral BASS I 10 Kx4 , 11 - 3 7. 1 2 I 1 N11 74HGT245 4 18 3 17 A 4 1 6 A is 5A AGDO AGD1 AGD2 AGD3 031 259.1 364 12 .9 4K R295 1K 911 7 4AGT24 5 2. Gc. lc. i5 03 4 ■ .288 I col 04 I I 032 DTG1 441EKA C 0 A03 .1 \ 66 GND 61 PI OD4 1R64AG. A SOV 81 GND PI OD5 " 7 13 AGD5 10 A R7 5 - El ea U., K ,,,A N23 +10 T 07S ET0 i8FUT 40 ssTx . 192 ssEx . 1 SSSTAT 190 42A IJXCLK SSGLK 1" S DOUT D , 2 . SDI N.0 72 . 0P5 D41D P ND720 5 GND 33 GND 37 GND ° 157 . N . PI 006 5. PI OD7 " PI ODI R 6 E 12 AG. A a 11 AGD7 AGDBUS • F -..- A a 640 1 ., B u 1 9 ■ 1 SOV :030 ___,DT0144EKA +5VR 4D 054 001 20 055 001 20 SOV R67 150 = R16m8 T XT 5 AT- 49 30MHZ .21 2 TC7WO04F , R119 33 921 C7WIJ04F G43 G0 1 501 4. SYSGLK 6 N p No . 8140 100 \/\.A . ).1 6G p „,,PM1 11 An ---j-'31i f>310 186 52G 8N8 . .,,/..,.,7. I .IPT2 ). 52 . 47. +5V • ND 1 84 GND 12 A000 O SOV ,- 1 01 47 R5V 1 ADVA v , N 102 GI SIN.0728 VREF+ " vEEF. 03 REF ' I C728 R FL .,, E, i i RESET N.O " . ADGRESN START .12'1 D - 726 72s GLK2 W- NDG" D - 113 ADVD 0+5 .„ NOV s v = iR % T 7XOUT 042 XT4 ..1 50 0001- R 8135 1K VG G 73 0120 GG1o4T 01330 G. G1 32,:p_01. :I4 1 0134 40 t ■ " I VREF.7 I VREF+ 101 A .. " A.A. 1 o4 AGGA SOV SOV SOV SOV o GsP C.C. 1O4 23 TG7SETO8FU SOV 117 A .. A +-015 SOV J/ Lam / O ROV FG FG a. 8. 1608LL121x2 A Main PCB 1110 1 2 3 A 4 5 6