HP FAX-750 Service Manual - Page 181

1 2 3 4 5 6 7 8 CI S R5 V +5V A 1 +25V 2 R5 V R1 1 0 4 7 0 3 RB 1 2 E R1 1 1 2 7 0 Q6 4 TG 12E 2 SC3 9 2 8 L I GT 1 1 C R5 V R0 V GND A +5V 1 2 D FSEN R1 1 4 100K R1 1 3 100K +25V S E NS OR 4 2 Q1 2 SD1 8 5 8 1 2 D RSEN 3 5 R5 V R1 2 2 C9 3 C9 2 CX 2 C9 1 CC1 0 4 R5 1W R1 2 1 C1 0 5 * * 1 6 R0 V 30 #5 GND B GN D 42 10 P1 B B4 B- PH R0 V RST H V DD +5V 38 24 RST L V DD 39 56 7 AI N V DD 40 T E MP +5V +5V P6 B7 B- PH C5 1 6 V/ 1 0 VI D 1 2 E C4 C1 0 4 41 ATAP 37 ADREF L 45 P ORT 0 9 DGND 17 DGND 26 DGND 49 DGND C1 0 0 C1 0 1 R1 2 6 100K PI 2 RPI - 4 4 1 Q8 KRC1 0 7 S 44 P ORT 1 35 P ORT 2 64 DGND 1 2 D REAR R0 V 34 P ORT 3 47 SD/ PD7 48 P D6 GND C L MP 1 6 D R5 V 43 AVDD 50 P D5 R1 0 9 51 P D4 Q7 R5 V C1 0 3 52 P D3 RDAT 1 2 E 2 SK1 3 9 9 36 53 A GND P D2 C R5 V R0 V 46 A GND 54 P D1 GND C R0 V Q9 2 SC3 9 2 8 R1 0 8 2 2 K R1 0 6 2. 2K C P WM 1 6 D 12E TG 1 2 E S MC 1 2 E SYCS 1 6 D SRAM 31 T RI G 30 I CL K 29 I OCS 28 MC S 55 P D0 57 DA CK 58 DREQ 59 MT P GND +5V R1 1 2 100K PI 1 RPI - 4 4 1 R1 0 7 10K C9 0 CC1 0 4 I ORQ MR E Q RD 27 I OE 23 ME 22 RD 33 S A MP 62 RS 1 2 D RI BN WR 21 WR 63 SH R0 V R0 V 1 7 C RBUS CK1 6 1 4 A RSTL 25 CL KI N 32 RESET 61 CL K1 60 CL K2 GND GND A0 20 A0 A1 19 8 D0 A1 D0 +5V D TM +5V A2 18 7 D1 A2 D1 A3 16 6 D2 A3 D2 A4 15 5 D3 A4 D3 R1 2 0 S W1 4. 7K SPPB5 1 D 8 +5V R8 9 3 3 KF A5 14 4 D4 A5 D4 A6 13 3 D5 A6 D5 A7 12 2 D6 A7 D6 1 2 D CSEN 10 CP3 I 1 2 F A8 1 7 D ABUS 11 A8 1 D7 D7 DBUS 1 4 E C9 9 * R9 0 10 0KF GND 9 R9 1 1 0KF GND +5V GN D E 7 6 4 2 5 R8 8 1 0 0 R8 7 2 0 0 ST 2 12D DOUT 1 2 E DI N 1 2 E HDC 1 2 D ST 1 12D C7 6 * C7 5 CC1 0 1 GN D 3 1 P1 1 F B1 0 B- PH GN D LATC 16 D HRL Y 3 4 E 1 2 3 3 2 F HRL Y 4 2 E C ML L 6 1 4 3 2 GND #7 U MG5 N P WO N 1 6 D C ML H 1 6 C 4 5 6 R4 9 4. 7K L16 L102B H OOK 1 6 C HOOK 1 E 2 C4 5 * GND P9 B2 B- PH RED GND F Main PCB 3/6 A (FAX870MC/MFC970MC/FAX-930/ FAX-931) 7 8