Kyocera TASKALFA 300I, Service Manual

Page: 284 / 408

2K5
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 AC
inlet and
main power
switch TB2 NEUTRAL 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 LIVE O 120 V AC
220-240 V AC AC power output
Connected
to the cas-
sette heater 2 N.C. - - Not used
3 N.C. - - Not used
4 NEUTRAL O 120 V AC
220-240 V AC AC power output
YC2
1 LIVE O 120 V AC
220-240 V AC AC power output
Connected
to the cas-
sette heater 2 N.C. - - Not used
3 N.C. - - Not used
4 NEUTRAL O 120 V AC
220-240 V AC AC power output
YC3
1 MH O 120/0 V AC
220-240/0 V AC FH1: On/Off
Connected
to the fuser
heater 1/2
and relay
PWB 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
YC4 1 +5V O 5 V DC 5 V DC power output to MPWB
Connected
to the main
PWB 2 +5V O 5 V DC 5 V DC power output to MPWB
3 +5VSL O 5 V DC 5 V DC power output to MPWB
4 +12VSL O 12 V DC 12 V DC power output to MPWB
5 +24VSL O 24 V DC 24 V DC power output to MPWB
6 GND - - Ground
7 GND - - Ground
8 GND - - Ground
9 GND - - Ground
10 GND - - Ground
YC6 1 FAN7DRN O 0/24 V DC PSFM: On/Off
Connected
to the power
source fan
motor 2 +24VSL O 24 V DC 24 V DC power output to PSFM
YC7 1 MHEATN I 0/5 V DC FH-M: On/Off
Connected
to the
engine PWB 2 SHEATN I 0/5 V DC FH-S: On/Off
3 FAN7DRN I 0/24 V DC PSFM: On/Off
4 GND - - Ground
5 ZCROSSC O 0/5 V DC (pulse) Zero-cross signal
6 SLEEPN O 0/5 V DC Sleep signal: On/Off