Brother International 8250P Service Manual - Page 184

1 2 3 4 5 6 S0 V +5V + - + - +5V R9 0 R8 9 0 B L M1 1 A 2 0 A A CC1 0 4 x 4 C8 C7 0 C5 6 C4 7 C6 0 M0 V M5 V B G3 0 8 0 / 2 1 6 V/ 1 0 S0 V 74B 43C RI N C8 4 CC1 0 4 AREF R9 7 39K R9 6 27K C8 1 R9 1 1 2 0 K 9 10 8 #10 KI 3 2 4 R9 2 4. 7K PRI NG 74C Z D2 HZ S5 C +5V * R6 7 * R6 9 B M0 V M0 V +5V 22K R5 2 * R6 8 * R7 0 0 11 DVSS 19 DVSS 25 DVSS 32 DVSS 41 DVSS 49 DVSS 58 DVSS 65 DVSS 70 DVSS 75 DVSS 21 FSI N 20 F S OUT 66 TEST1 16 TEST2 14 1 7 TEST3 TEST4 15 TEST5 13 MON 1 12 MON 2 9 MON 3 8 MON 4 7 MON 5 6 MON 6 10 DVDD 18 DVDD 24 DVDD 31 DVDD 40 DVDD 48 DVDD 57 DVDD 64 DVDD 69 DVDD 74 DVDD 39 A0 38 A1 37 A2 36 A3 51 D0 50 D1 47 D2 46 D3 45 D4 44 D5 43 D6 42 D7 22 CL K A1 A2 A3 A4 D0 R D1 R D2 R D3 R D4 R D5 R D6 R D7 R ABUS DRBUS L5 270 7 1 #13 7 WU 0 4 F 2 6 #13 R4 8 5 . 6 K +5V R4 7 150 4 1 . 4 7 2 MH Z XT3 8 #13 7 WU 0 4 F C4 6 CC1 0 4 4 B C4 4 C4 5 5 3 CC5 P CC5 P C0 V #13 C0 V ) ) ) ) ) ) ) ) ) ) HSPL Y( 7 3 C) MS L ( 7 4 C ) T ADH( 7 4 B) R5 0 R5 1 2 2 Kx 3 M5 V MOV S OV M0 V C6 16V 100 C7 9 CC1 0 4 76 HI P0 73 HI P1 7 2 HI P2 7 1 HOP 0 67 HOP 2 68 HOP 1 5 NC 30 NC 4 AVDD 77 AVDD 1 A GND 80 A GND #9 23 - RST 35 - CE 34 - RD 33 - WR 29 MP S E L 28 - I NT 27 - DREQ 26 - DACK 56 DT CK 59 RXD 60 TXD 61 - DCD 62 - CT S 63 - RT S MC E RD L WR 13A 13B 13B +5V MI N T 12B MR S T 13A L4 0 S0 V C5 8 CC1 0 4 B R7 1 78 52 RXI NA EYECKO 1K 79 RXI NB 53 EYECKI A 2 VBI AS 54 EYEDAT * R1 0 2 C 3 T X OUT 55 EYESYC C C5 7 CC1 0 3 B R7 2 1K C7 * R7 3 10 / 16V 100K C5 9 CC2 2 1 CH C6 1 CC1 0 4 M0 V 41B 45C AREF C7 1 CC1 0 4 * R8 5 A C8 7 CC1 0 2 B A * R1 0 1 6 5 C8 8 CC2 2 1 CH 7 #10 KI 3 2 4 AREF 43C TXO 74B R1 0 3 4. 7K M0 V D D A Main PCB 4/8 1 2 3 4 5 6