Kyocera FS-1100 Service Manual page 162

3LF
Connector Pin
YC2 1
Connected 2
to the PF
3
paper feed
4
clutch and
PF paper
conveying
clutch
YC4 1
Connected 2
to the PF
3
paper feed
4
motor
5
YC5 1
Connected 2
to the con-
3
trol PWB
4
(printer) or
5
PF main
PWB (paper
6
feeder 1)
YC6 1
Connected 2
to the PF
3
main PWB
(paper
4
feeder 2)
5
6
7
YC7 1
Connected 2
to the PF
3
paper feed
sensor
2-3-2
YC5
1
6
1
YC6
PH1
7
Figure 2-3-2 PF main PWB silk-screen diagram
Signal I/O
+24V3 O 24 V DC
FEEDCLN O 0/24 V DC
+24V3 O 24 V DC
TRANSCLN O 0/24 V DC
+24V3 O 24 V DC
GND - -
TMOTLOCK I 0/3.3 V DC
TMOTCLK O 0/3.3 V DC (pulse) PF paper feed motor drive clock signal
TMOTDRVN O 0/24 V DC
+24V3 I 24 V DC
GND - -
PFSI I 0/3.3 V DC (pulse) Serial communication data input signal
PFSO O 0/3.3 V DC (pulse) Serial communication data output signal
PFSEL I 0/3.3 V DC (pulse) Paper feeder selection signal
+3.3V1 I 3.3 V DC
+24V3 O 24 V DC
PGND - -
PFSI O 0/3.3 V DC (pulse) Paper feeder 2 serial communication data input
PFSO I 0/3.3 V DC (pulse) Paper feeder 2 serial communication data output
PFSEL I 0/3.3 V DC (pulse) Paper feeder selection signal
+3.3V1 I 3.3 V DC
NC - -
PFEED I 0/3.3 V DC
GND - -
+3.3V1 O 3.3 V DC
4 1 5
YC2 YC4
1 3
YC7
Voltage
24 V DC power source
PF paper feed clutch: On/Off
24 V DC power source
PF paper conveying clutch: On/Off
24 V DC power source
Ground
PF paper feed motor lock signal
PF paper feed motor: On/Off
24 V DC power source
Ground
3.3 V DC power source
24 V DC power source
Ground
signal
signal
3.3 V DC power source
Not used
PF paper feed switch: On/Off
Ground
3.3 V DC power source
1
YC1
7
1
5
YC3
1
SW1
Description