Brother International IntelliFax-3550 Service Manual - Page 158

1 2 3 4 5 6 +24V R5 V P4 SENS L4 B L M1 1 A 2 0 +5V R6 0 100 3 R7 4 0 A 3 R5 7 A 1 2 R1 9 9 1 K L E D 300 14C C1 3 7 CC1 0 2 1 Q1 7 DT D1 1 3 Z K C1 3 9 CC1 0 2 C7 9 104 R5 V R6 1 100 C7 2 CC1 0 4 C6 9 CC1 0 4 2 4 RET 2 4 RET 2 4 RET * R7 9 L L 1 2 1 SH R2 0 2 * R7 6 8 13B RB 13B 100 R7 8 2 2 CL 2 10 13B 9 R7 7 2 2 CL 1 R5 V 13B 7 R7 5 1 0 0 TG 13B 2 D4 4 R5 V 1 1 SS1 3 3 6 R0 V 5 C8 1 VI D 35B R0 V AP0 35B R0 V C4 1 6 V/1 0 C8 0 CC1 0 4 R5 V R0 V 3 2 B VI D R1 7 1 1K ROV * #6 L C8 2 1 0 2 / 1 0 3 42 DAREF H 38 DAREF L 39 AI N 40 T E MP 41 ATAP 37 ADREF L 10 VDD 24 VDD 56 VDD 9 GND 17 GND +5V * R1 7 0 A1 1 * R1 6 0 +5V CC1 0 4 B C7 8 C3 R5 9 200 33B AP0 45 AP0 26 GND 49 GND C7 3 C6 7 C7 1 CC1 0 4 CC1 0 4 CC1 0 4 B R0 V * 1 6 V/1 0 44 AP1 64 GND +5V R7 3 22K R6 8 22K R0 V R5 8 300 C6 8 R5 V CC1 0 4 + 5 V R6 3 C7 0 CC1 0 4 22K 43 AVDD 35 AP2 34 AP3 36 A GND 47 SD/ PD7 48 PD6 50 PD5 51 PD4 S0 V R7 2 MF C 6 5 5 0 , 7 5 5 0 R0 V S0 V 46 A GND 52 PD3 11 2 B1 1 B- PH C7 7 CC1 0 2 1K R6 9 1K FSEN RSEN 14A 14A C8 2 CC1 0 2 R0 V 13B 13B CSI P 13A R5 5 * ( ) A9 * R5 6 0 12B TG S MP C A1 0 SA1 2 RD 31 T RI G 30 I CL K 29 I OCS 28 MC S 27 I OE 23 ME 22 RD 53 PD2 54 PD1 55 PD0 57 DACK 58 DREQ 59 MT P 33 S A MP R3 1 R3 0 PD S0 V 22K 13B +5V 22K S A MP ( 1 6 D) +5V S0 V 12B 13B L WR CL K2 4 21 WR 25 CL KI N 62 RS 63 SH C L5 B L M1 1 A 2 0 P5 RS 32 61 11C R1 8 8 1 K RESET CL K1 60 C CL K2 C3 1 A0 20 CC1 0 2 A0 A1 19 A1 8 D0 D0 B5 B- PH A2 18 S0 V A2 A3 16 A3 7 D1 D1 6 D2 D2 R1 2 5 A4 15 A4 5 D3 D3 4. 7K A5 14 A5 4 D4 D4 5 R1 2 7 1 0 0 PCL K A6 13 A6 3 D5 D5 1 13A A7 12 2 D6 S DOUT A7 D6 3 R1 2 6 1 0 0 SDI N 13A ABUS A8 11 A8 1 D7 D7 DBUS 2 13A 4 PANEL C1 1 4 CC1 0 2 C1 1 5 CC1 0 2 C1 1 6 CC1 0 1 C1 1 7 CC1 0 2 D D S0 V S0 V MAIN 3/8 A FAX3550/3650/8000P/8200P MFC4550/6550MC/7550MC MFC9000/9500 1 2 3 4 5 6