2KR/2KS
2-3-2
Connector Pin No. Signal I/O Voltage Description
TB
TB1 LIVE I 120 V AC
220-240 V AC
AC power input
Connected
to the inlet
and main
power
switch
TB2 COM I 120 V AC
220-240 V AC
AC power input
TB3 LIVE O 120 V AC
220-240 V AC
AC power output to MSW
TB4 LIVE I 120 V AC
220-240 V AC
AC power input from MSW
YC1 1 +24VD O 24 V DC 24 V DC power output to EPWB
Connected
to the
engine PWB
and DP
2 GND - - Ground
3 GND - - Ground
4 GND - - Ground
5 +3.3VD O 3.3 V DC 3.3 V DC power output to EPWB
6 +5VD O 5 V DC 5 V DC power output to EPWB
7 +24VDF O 24 V DC 24 V DC power output to EPWB and DPDPWB
YC2 1 GND - - Ground
Connected
to the
engine PWB
2 HITON_S I 0/3.3 V DC FH2: On/Off
3 HITON_M I 0/3.3 V DC FH1: On/Off
4 +5VD O 5 V DC 5 V DC power output to EPWB
5 ZCROSS O 0/3.3 V DC (pulse) Zero-cross signal
6 FANREM I 0/24 V DC PSFM1,2: On/Off
YC3 1 SGND - - Ground
Connected
to the docu-
ment fin-
isher
2 SGND - - Ground
3 SGND - - Ground
4 SGND - - Ground
5 SGND - - Ground
6 SGND - - Ground
YC4 1 FANREM O 0/24 V DC PSFM1,2: On/Off
Connected
to the power
source fan
motor 1/2
2 +24VD O 24 V DC 24 V DC power output
YC5
1 MH O 120/0 V AC
220-240/0 V AC
FH1: On/Off
Connected
to the relay
PWB and
interlock
switch
2 SH O 120/0 V AC
220-240/0 V AC
FH2: On/Off
3 LIVE O 120 V AC
220-240 V AC
AC power output to RYPWB
Service Manual Y111960-2