Brother International 8250P Service Manual - Page 183

1 2 3 4 5 6 +24V P1 9 CI S 1 R1 8 3 10 1/ 4W +5V +5V R5 V R5 V C1 3 3 Q2 4 A 10 2 SC3 9 2 8 A L ED A C1 4 3 CC1 0 4 / 35V 2 SD1 8 5 8 Q2 R1 4 7 10K 13B S0 V ROV R8 8 300 S0 V S0 V 2 R2 1W 30 C1 1 6 CC1 0 4 S0 V R8 7 200 C7 7 CC1 0 4 R1 4 2 S0 V 470 CI SCL K 3 13B 4 R1 4 3 4 7 0 TG 13B R1 9 5 1 0 1/ 10W 5 R5 V C1 0 9 CC1 0 4 C1 3 2 100 / 6. 3V 6 R0 V 7 B R3 0 4 7 C1 3 CC1 0 1 B7 B- PH R1 4 6 10K ROV R0 V +5V C P2 1 B6 B- PH 5 4 C4 0 CC1 0 4 R4 5 4. 7K R1 8 2 100K ROV #8 L C8 2 1 0 2 W 42 DAREF H 38 DAREF L 39 AI N 40 T E MP 41 ATAP 37 ADREF L 10 DVDD DVDD 24 DVDD 56 DGND 9 17 DGND +5V C8 0 C7 4 C1 0 0 C5 1 6 V/ 1 0 CC1 0 4 45 AP0 DGND 4 9 CC1 0 4 CC1 0 4 B 44 AP1 64 DGND 26 TEST +5V S0 V R5 V 43 AVDD 35 AP2 47 SD/ PD7 48 PD6 S0 V C7 8 CC1 0 4 34 AP3 36 A GND 50 PD5 51 PD4 ROV 46 A GND 52 PD3 53 PD2 TG 13B 31 T RI G 54 PD1 13B CSI P 30 I CL K 29 I OCS 55 PD0 57 DACK PD S0 V 13B 28 MC S 58 DREQ A1 0 27 I OE 59 MT P 15B 13B SRAM RD 23 ME 22 RD S A MP / 33 L I NI NT S A MP 15C L WR 13B 21 WR 62 RS 1 3 B CL K2 4 25 CL KI N 63 SH RS 32 61 12C R8 6 1 K RESET CL K1 60 C CL K2 C7 6 A0 20 CC1 0 2 A0 A1 19 A1 8 D0 D0 R A2 18 S0 V A2 A3 16 A3 7 D1 6 D2 D1 R D2 R A4 15 A4 5 D3 D3 R A5 14 A5 4 D4 D4 R A6 13 A6 3 D5 D5 R A7 ABUS A8 12 A7 11 A8 2 D6 1 D7 D6 R D7 R DRBUS S0 V 8 6 7 R4 6 1 0 0 R4 4 1 0 0 PCL K S DOUT SDI N 13A 13A 13A RSEN 3 14A R4 3 100 D D C3 9 1 MI C - CC1 0 2 MI C + C4 2 C4 1 C4 3 2 CC1 0 1 CC1 0 2 CC1 0 2 PANEL S0 V A Main PCB 3/8 1 2 3 4 5 6