HP FAX-750 Service Manual - Page 176

1 2 3 4 5 6 CI S A 1 +25V 2 R5 V R7 3 4 7 0 3 RB 1 5 C R7 4 2 7 0 Q6 4 TG 15C 2 SC3 9 2 8 L I GT 1 5 C Q1 2 SD1 8 5 8 5 R5 V C6 9 CC1 0 4 6 R0 V R3 1W 30 B GND C4 1 6 V/ 1 0 7 VI D 1 2 E P5 B7 B- PH WH I T E Q9 KRC1 0 7 S D G S Q8 R7 2 2 SK1 3 9 9 R5 V C L MP 1 5 C R0 V R5 V Q7 R6 5 2. 2K 2 SC3 9 2 8 C C P WM 1 5 C R6 6 2 2 K R6 7 10K C5 7 CC1 0 4 R0 V R0 V R5 V +5V R0 V GND D TM 8 +5V 10 9 +5V R7 7 3 3 KF R7 6 1 0 0 KF R7 5 1 0 KF CP3 I 1 2 F GND E 7 6 4 2 5 R6 9 1 0 0 R6 8 2 0 0 ST2 15C DOUT 1 5 C DI N 1 5 C HDC 1 5 C ST1 15C C6 2 CC1 0 1 C6 0 * C6 1 CC1 0 1 C5 8 CC1 0 1 GND 3 1 C5 9 P1 1 CC1 0 1 F B1 0 B- PH GND L ATC 1 5 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 #4 U MG5 N P WO N 1 5 B C ML H 1 2 D 4 5 6 7 8 A +5V 1 5 B FSEN 1 5 B RSEN R8 4 100K R8 3 100K +25V S E NS OR 4 2 3 C7 3 CC1 0 1 C7 2 CC1 0 1 1 GND P1 B B4 B- PH 1 5 B REAR +5V R2 4 100K +5V R2 5 1/ 10 160 PI 2 RPI - 4 4 1 C +5V GND 1 5 B RI BN R7 8 100K PI 1 RPI - 4 4 1 +5V GND GND 1 5 B CSEN R8 5 4. 7K S W1 SPPB5 1 D C7 7 * GND +5V GND R2 6 4. 7K L13 L102B HOOK 1 2 E HOOK 1 E 2 C2 0 * GND P8 B2 B- PH RED GND F Main PCB 3/5 A (FAX750/FAX770/FAX-910/ FAX-920/FAX-921/MFC-925) 7 8