(3) Operation
a. Wiring diagram*Copy lampA cathode ray tube (Xenon lamp) is used as the light source forreading images.To maintain the lamp light quantity at constant level, the followingoperations are performed.The copy lamp light quantity sensor is provided in the scanner unit todetect the copy lamp light quantity.The copy lamp drive voltage corresponding to the sensor output level(CLIN) is outputted.The copy lamp is driven by the scanner lamp control PWB.GND 1
A-GND 2
CCDOUT 3
A-GND 4
A5V 5
5V 6
12V 7
f1 9
GND 10
GND 8
f2 11
GND 12
SH- 13
GND 14
RS 15
GND 16
SP 17
CP 19
GND 20
GND 18
NC 21
GND 22
5V
12V
A/D
D-GND 1 A-GND 2 CCDOUT 3 A-GND 4 A5V 5 5V 6 12V 7
f1 9 D-GND10
D-GND 8
f211 D-GND12 SH-13 D-GND14 RS15 D-GND16 SP17
CP19 D-GND20
D-GND18
NC21 D-GND22
CFL-H 1
2
3 FGND 4 PDA 5 PDK 6 CFL-L 7
24V 1 P-GND 2 ON/OFF 3 PD 4
24V 1
P-GND 2
CL-CNT 3
CL-IN 4
MRMT0 1
2
3
4
5
GND 1 MHPS 2 5V 3
GND 1
MHPS 2
5V 3
MRMT1
MRMT2
MRMT3
24V-mir
DRIVER
24V