Kyocera FS-1900 Service Manual page 181

Connector Pin# Signal
YC203 20 FCOVOP*
21 CSIZE
22 PVOLAN2
YC204 1 TRVSEL2*
2 TRVSEL1*
3 +5V1
4 TRVSEL3*
5 TNEMP*
6 TRCON*
7 TONSCAN
8 HVCLK
9 GND
10 MCHON*
11 HUNIT*
12 RTRCHON* O
13 HANDS*
14 DLPTYPE
15 +5V2
16 TMOTDR
17 CONTYPE
18 +24V2
YC205 1 OP24V
2 GND
3 OP5V
4 -
5 OPSCLK
I/O Voltage
I 24 V/0 V DC
I Analog
I 0 V/5 V DC
O 0 V/24 V DC
O 0 V/24 V DC
O 5 V DC
O 0 V/24 V DC
I 0 V/5 V DC
O 0 V/24 V DC
O 5 V/0 V DC (Pulse)
O 5 V/0 V DC (Pulse)
- -
O 0 V/24 V DC
I 5 V/0 V DC
0 V/24 V DC
I 0 V/5 V DC
I Analog
O 5 V DC
O 24 V/0 V DC
I 5 V DC
(0 V/5 V DC)
O 24 V DC
O 24 V DC
- -
O 5 V DC
- -
- 5 V/0 V DC (Pulse)
6-31
Function
Top cover/paper transfer unit interlock switch, On/Off
Paper size switch detecting signal
Paper gauge sensor 2, On/Off
Transfer bias output voltage control signal 2
Transfer bias output voltage control signal 1
Power supply for high voltage board
Transfer bias output voltage control signal 3
Toner sensor, Toner empty/Not empty
Transfer bias, Output On/Off
Toner sensor, Toner detecting clock signal
Developing bias output clock signal
Power ground
Main charger, Output On/Off
Option feeder, Installed/Not installed
Transfer bias output, Reverse On/Off
MP tray paper sensor,Paper Detected/Not detected
Developer identifying signal
Power supply for high voltage board
Toner motor, Drive/Stop
Toner container identifying signal
(MICR model only)
Power supply for high voltage board
Power supply for option unit
Signal ground
Power supply for option unit
Reserved
Serial communication clock signal
FS-1900