Olivetti PG L2130, Service Manual, Page: 110 / 122

2-3-2
Figure 2-3-2 Power source PWB silk-screen diagram
Connector Pin No. Signal I/O Voltage Description
YC101 1 LIVE I 120 V AC AC power input
Connected
to the AC
inlet 220 - 240 V AC
2 NEUTRAL I 120 V AC AC power input
220 - 240 V AC
YC102 1 HEATER COM O 120 V AC Fuser heater lamp output
Connected
to the fuser
heater lamp 220 - 240 V AC
2 N.C. - - Not used
3 HEATER LIVE O 120 V AC Fuser heater lamp output
220 - 240 V AC
YC103 1 +24V1 O 24 V DC 24 V DC power source
Connected
to the high
voltage
PWB 2 SGND - - Ground
3 FAN I 0/24 V DC Left cooling fan motor: On/Off
4 THERM O Analog Fuser thermistor detection voltage
5 +3.3V I 3.3 V DC 3.3 V DC power source
6 HEATN I 0/3.3 V DC Fuser heater lamp: On/Off
7 SLEEP I 0/3.3 V DC Sleep mode signal: On/Off
8 ZCROSS O 0/3.3 V DC (pulse) Zero cross signal
9 +24V2 O 24 V DC 24 V DC power source (via interlock switch)
10 +24V2 O 24 V DC 24 V DC power source (via interlock switch)
11 PGND - - Ground
12 PGND - - Ground
YC104 1 +24V1 O 24 V DC 24 V DC power source
Connected
to the left
cooling fan
motor 2 FAN O 0/24 V DC Left cooling fan motor: On/Off
YC105 1 +3.3V1 O 3.3 V DC 3.3 V DC power source
Connected
to the fuser
thermistor 2 THERM I Analog Fuser thermistor detection voltage
YC101
YC103
YC104 YC105 YC102
Service Manual Y 112480 - 6