Samsung SF-530 Service Manual page 106

CIRCUIT DESCRIPTION
3-1-7 Scanner Part
CIS DRIVER, INPUT PROCESSOR
CIS contacl signal is consist of BLED, RLED, GLED, CIS_CLK CIS_SI. CIS driver power supply is +5v, LED driver power
supply is +5v also. As CIS input signal, minc-Vref values O, MAXC+Vref Values is about 1.2V.
SPECIFICATION
Readable width
Number of sensor elements
Resolution
Scanning speed
Light source
Data output
Outward dimension(WXHXL)
PIN FUNCTION DESCRIPTION
No. Signature
1 SIG
2 GND
3 VDD
4 GND
5 GND
6 SI
7 GND
8 CLK
9 LEDB
10 LEDG
11 LEDR
12 VLED
Repair Manual
3-16
216mm
2552 dots(21~2572 dots available)
75 ms/line
7.5 ms/line
Color LEDs
Red (640 mm)
Green(525mm)
Blue(470mm)
1 analogue
18.0 X 12.2 X 231.0 mm (attachment)
Name
signal output
Ground
Supply voltage
Ground
Ground
Start pulse
Ground
Clock
LED Ground (blue)
LED Ground (green)
LED Ground (red)
Supply voltage
Description
Video output signal
0V DC ; reference point
+5V DC supply (ref. to GND)
0V DC ; reference point
0V DC ; reference point
Start pulse
0V DC ; reference point
CIS main clock
LED POWER SUPPLY BLUE
LED POWER SUPPLY GREEN
LED POWER SUPPLY RED
LED POWER SUPPLY
Samsung Electronics