Brother International IntelliFax-3550 Service Manual - Page 162
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1 2 3 4 5 6 NCU1 +5V +24V 10 12 Q1 8 M5 V +24V M5 V C ML L 8 A 3 DT C1 1 4 YK 2 C ML H 11B R8 7 1 K PL S 3 11B 1 +5V 2 4 RET R8 0 22K R8 1 1K 16 #13 7 4 HC4 0 5 3 678 C1 2 9 CC1 0 4 M0 V 4 #8 KI 3 2 4 11 C9 8 CC5 0 C1 0 4 16 #14 7 4 HC4 0 5 3 678 C1 3 3 CC1 0 4 M0 V M0 V A +5V C1 5 1 0 V1 0 0 T L OF 2 11B S0 V * 4 C1 2 1 C1 C1 2 2 11A C9 0 TEL 11A CC1 0 3 B CC1 0 3 B S0 V 9 R9 1 5 6 K 9 8 R9 2 1 0 K C9 1 CC1 0 4 24V 10 CNT 11 15 C 2 0 R1 8 5 1 . 5 K TXO 41B TL SL R9 0 #8 + 10 KI 3 2 4 R1 8 9 #14 7 4 HC4 0 5 3 - A C1 4 0 MOV T ADH 12A 76C S P A MP +5V * R1 5 8 51K R1 5 9 51K C1 3 1 6 V/ 1 0 F * C1 3 0 CC1 0 3 B * #20 2 V+ 7 A+ i 8 A- i 6 B+ i 5 B- i 4 GND A- O1 3 B- O N J M2 0 7 3 SP L8 * L7 B L M1 1 A 2 0 1 B L M1 1 A 2 0 2 * R2 0 0 P1 6 B2 B- PH BL ACK 5 73B 1K 10K B 6 7 RL 1 73C RL 2 73C 1/ 10W M0 V D1 0 1 SS1 3 3 AC HSPL Y C D7 UDZ 9 . 1 B A MOV 11A 71B TL SL * R1 3 0 100K 9 * #13 31 5 CNT C4 0 RI N * R1 6 0 41B Q2 5 U MC 4 N * C1 3 1 CC1 0 4 3 2 4 M0 V * R2 0 4 6 4 V+ GND S0 V B D1 1 1 SS1 3 3 11 S0 V C9 2 6 8 1 * R1 3 3 0 C ML H 11B S P ON 5 1 C1 4 3 5 1 0 V/ 1 0 0 - I N OUT * 7 RL 1 11 M0 V #22 R9 3 6 8 K 11 R9 4 C9 3 71B 13 1 CNT 2 1 + I N GA I N C R9 5 1 . 5 K 1 R9 6 R1 0 0 4. 7K 0 US Ve r M0 V 46C R1 0 1 AREF 1 0 0 K CC8 2 2 13 14 14 C 12 #8 + 12 D 2 KI 3 2 4 G 3 1 S Q1 9 2 SK2 0 8 * #13 R1 0 3 1 13 0 12 71B RL 2 * R1 3 4 RL T L 2C 12 0 C 14 #14 7 4 HC4 0 5 3 - A 1 0 #18 T C4 S6 6 F 43B * R1 3 6 0 PRI NG R1 3 7 4. 7K * R1 3 8 20 1 1 10 * R1 3 5 * C1 2 8 0 CC1 0 4 C 15 #13 8 GA I N M0 V N J M3 8 6 RNG 12A 9 CNT MF C 6 5 5 0 , 7 5 5 0 31 S P A MP 5 0 C4 75B * C R1 5 5 R1 5 6 11A 1 CNT * C1 4 3 44C MS L #14 220 680 DAREC 4 7 4 HC4 0 5 3 C1 3 2 * ADL C 16 11A C1 0 1 MU T E 11A * R1 6 1 CC1 0 4 RI NGO * Q2 2 3 2 R1 5 4 1. 5K R1 5 1 K 3. 3K M0 V 44C V OL 2 DT C S0 V R8 9 DASEND 18 11A 11A 1 1 4 YK 1 M0 V M0 V M0 V S0 V C1 2 3 C1 2 4 17 S0 V R1 9 0 R8 8 +24V DAST 11A +24V +5V 5 #18 44C 2 V OL 1 Q2 3 3 DT C1 1 4 YK 1 M0 V T C4 S6 6 F 19 3 20 +5V D D 13 DPS 11B M0 V 14 15 P6 B2 0 B- PH EAT 11B R8 2 150K P OL 11A MAIN 7/8 A FAX3550/3650/8000P/8200P MFC4550/6550MC/7550MC MFC9000/9500 1 2 3 4 5 6