Brother International IntelliFax-3550 Service Manual - Page 156

1 2 3 4 5 6 74C RI NGO 76 RI NG 93 SEN5 T ADH 74B 55C HOOK 94 SEN6 65 PA3 FAN 51C 73B TEL 74 TEL 75 S P ON MS I L 74C 47A MC E 39 MC E 29 P M1 P M1 53B 73C MU T E 9 1 SEN3 122 P7 1 RNG 75C 47A MR S T 41 MR S T 30 P M2 P M2 53B A 73B HSPL Y 90 SEN2 33D PCL K 44 PCL K 31 P M3 P M3 53B 72C 71C 72C 72D 72D 72A DAREC ADL C DAST DASEND P OL C1 68 P WM 3 82 AN0 67 P WM 2 66 P WM 1 88 SEN0 7 7 C1 208 D1 5 207 D1 4 206 D1 3 205 D1 2 204 D1 1 D1 0 2 0 3 35C CL K2 4 R5 4 33D 33D 35B 55B 55B S DOUT SDI N S MP C C MP R A C MP R B R2 0 1 46 S DOUT 45 SDI N 56 S MP C 35 C MP R A 36 C MP R B 42 CL K2 4 32 P M4 33 C MP P A C MP P B 3 4 S OL 3 7 SCN 101 CL K 102 DRI VE P M4 FSEN RSEN S OL SCCK DRI V 53B 33C 33C 54C 51A 51A 72A 71D 71D 71A 7 2 A, 7 3 B 46B T L OF EAT DPS PL S C ML H MI N T 89 SEN1 95 SEN7 72 DPS 73 PL S 71 C ML 40 MI N T 202 D9 199 D8 198 D7 197 D6 196 D5 200 34C 36C CSI P PD LL241 55 CSI P 47 I PD0 48 I PD1 49 I PD2 50 I PD3 51 I PD4 VDO 9 8 L DON 9 9 103 HVT P 104 HVT N 105 HVCH 106 HV GZ SCDT L DON T ENH T ENL TAI D GE NZ 51A 51A 51B 51B 51B 51C 2 3 B, 2 4 A, 2 5 A UCAS R1 1 6 1 0 6 UCAS 195 D4 194 D3 23D EECK 124 P7 3 193 D2 2 3 A, 2 3 B, 2 4 A, 2 4 C, 2 5 A 23D R A MR D ESD R1 2 0 133 EEDAT 10 7 R A MR D 192 D1 191 D0 DBUS RB 32A SH 32B B 2 3 A, 2 4 A, 2 4 C, 2 5 A CAS R1 2 1 1 0 25A 25A RAS3 RAS2 5 L CAS # 1 RD 1 6 7 4 RAS3 163 H WR 3 RAS2 166 WR R1 9 1 0 RD R1 8 1 0 L WR 2 1 B, 2 1 D, 2 6 A 3 5 C, 4 5 B 2 6 A, 3 5 C, 4 5 B 32B 32B 3 2 B, 3 5 C CL 2 CL 1 TG 52 I PD5 107 HVCL 53 I PD6 ERASE 1 0 9 54 I PD7 108 HT O 58 RB 57 SH 59 CL 2 #1 24 EXVD 141 CB S ON 62 CL 1 160 HBUSY 63 T RG SEL I N 1 5 9 VCL N EL HT O XVDO HBUY SEL I N 51C 51C 53A 26A 64B 64A 2 4 A, 2 5 A RAS1 2 RAS1 111 SEN8 R OM3 21D 32A L ED 64 PA2 P R MI N T 1 5 8 P R MI N T 64A 2 3 A, 2 4 C 2 3 A, 2 3 B, 2 4 A, 2 4 B, 2 5 A 21B R M WR RAS0 1 RAS0 R OMC E 1 6 2 R OM1 R1 1 4 1 0 8 R A M WR 168 A2 0 169 1 A1 9 170 2 A1 8 +5V 8 R2 9 2 2 K 7 201 VDD 190 VDD 165 VDD FLT SL CT PPE 157 156 155 FLT SL CT PPE 64A 64A 64A N C 9 R A M U WE 171 4 A1 7 5 RA1 0 147 VDD 153 BUSY BUSY 64A R5 0 17 RXT 16 REXT 172 A1 6 3 173 4 A1 5 6 100x4 5 114 VDD 97 VDD 152 ACK STB 1 6 1 ACK STB 64A 64B L OCK 1 1 3 18 RVDD 51A BD 51B PB5 100 BD RVDD C6 2 66B A HAI SI 1 3 1 CC1 0 4 51C E R OM2 51D 51D 51D RESI 1 2 1 T CS 1 2 5 COV E R 1 2 6 P7 0 P7 4 P7 5 RT CCON BAVDD S0 V 19 10 +5B RS 11C 51D 51D T NOR 1 2 7 P7 6 S OT H2 8 3 AN1 C6 4 CC1 0 4 51D HET H 85 AN3 84 AN2 110 L ASP CK3 2 S0 V 13 R5 3 C6 1 100 55B R M1 25 R M1 CC1 0 2 55B R M2 26 R M2 S0 V 55B R M3 27 R M3 BACL K 1 1 55B 55C 55C R M4 MT I 0 MT I 1 28 R M4 115 PA0 78 PA1 BAENB 1 2 * R3 4 0 +5B 26B XSEN 1 3 4 P8 5 26A +5V EXCS R3 2 2 2 K 22 EXCS1 * R1 9 7 22K VDD 26A +5V EXI NT R3 3 2 2 K 23 #1 EI NT 1 Q7 OUT * RH5 VA B +5V C3 0 CC1 0 1 CK3 2 0 N 1 4 R1 9 8 2 2 K S0 V +5B SA1 2 123 GND 23D P7 2 +5V R2 6 2 2 K 132 EECK * R4 8 S0 V 70 S0 V A M8 1 6 51B L ASP 69 P WM 4 20 BKSL C2 5 0 XT2 Q8 3 PST5 9 3 1 C5 6 CC1 0 P C- 0 0 1 R C5 5 CC1 0 P +5V S0 V R2 5 1 6 A, 2 6 A 1 . 5 K 3 4 C, 6 6 D R1 9 4 RS 1K 130 RST A1 4 1 7 4 3 175 2 A1 3 176 A1 2 1 DA1 11 7 7 4 178 3 DA1 0 179 2 DA9 181 1 DA8 182 4 DA7 183 3 DA6 184 2 DA5 185 DA4 1 6 7 RA1 1 8 1 0 0 X4 5 6 7 RA1 8 100x4 5 6 7 RA2 8 100x4 CC1 0 4 x 5 61 VDD 43 VDD 21 VDD 15 GND 38 GND 60 GND 96 GND 119 GND 142 GND DC7 DC6 DC5 DC4 DC3 DC2 DC1 DC0 143 144 145 146 148 149 150 151 P8 4 1 3 5 138 CT S DCBUS 64B R2 3 1 . 5 K 56C 22D MF C 3 5 5 0 , D S * R1 9 5 22K +5V +5V B L M1 1 A 2 0 R2 1 3 8 CT S 2 V RCON 1 2 8 P7 7 EECK2 1 2 0 PB6 129 CL K MT D I 1 9 2 SEN4 S A MP 1 1 2 SEN9 R4 9 0 S 0 V M5 V 81 AVDD 80 A GND C2 8 CC1 0 4 116 M0 V CC1 0 4 C 2 4 S0 V C2 6 CC1 0 2 R3 8 220 S0 V R1 9 3 1M XT1 118 EXTL 117 EXTL 186 4 DA3 187 3 DA2 188 2 DA1 189 DA0 1 5 6 7 RA3 8 100x4 ABUS 154 GND 164 GND 180 GND 200 GND 137 RT S 139 RXD 140 TXD R 2 2 B L M1 1 A 2 0 R2 1 1 . 5 K R2 1 2 1 . 5 K R 2 0 B L M1 1 A 2 0 RT S RX TX 3 P1 4 6 TST1 79 TST2 86 TST3 87 TST4 C 136 P8 3 R2 4 1 . 5 K R2 1 1 1 . 5 K M/ L S E N 1 S0 V S0 V C6 3 C2 9 C2 7 C1 9 C5 4 C2 3 () ( C 2 2 ) C2 1 () C2 0 () C2 4 () C3 3 15p C3 2 15p S0 V R2 7 22K * R1 9 6 22K 5 7 2 9 0 A- 8 8 S0 V S0 V S0 V +5V +5V S0 V 8 P MOD U R1 8 6 B L M1 1 A 2 0 S0 V R5 4550 0 FG R1 0 8 3550 0 FG D D MAIN 1/8 A FAX3550/3650/8000P/8200P MFC4550/6550MC/7550MC MFC9000/9500 1 2 3 4 5 6