Olivetti d-COLOR P2026, Service Manual, Page: 179 / 207

Connector
YC101
Connected to
AC inlet and
main power
switch
YC102
Connected to
fuser heater
YC103
Connected to
relay PWB
Pin
1
2
Signal
LIVE
NEUTRAL
I/O
I
I
Voltage
120 V AC
220-240 V AC
120 V AC
220-240 V AC
Description
AC power input
AC power input
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
NEUTRAL
LIVE
+24V1
GND
GND
GND
GND
+24V2
+24V2
+24V2
+24V2
PSSLEEPN
ZCROSS
RELAY
HEATRE1
+24V1
N.C
+24V2
+24V1
GND
O
O
O
-
-
-
-
O
O
O
O
I
O
I
I
O
-
I
O
-
120 V AC/0 V
220-240 V AC/0 V
120 V AC
220-240 V AC
24 V DC
-
-
-
-
24 V DC
24 V DC
24 V DC
24 V DC
0/3.3 V DC
0/3.3 V DC
0/3.3 V DC
24 V DC
-
24 V DC
24 V DC
-
FH: On/Off
AC power to FH
24 V DC power to RYPWB
Ground
Ground
Ground
Ground
24 V DC power to RYPWB (via ILSW)
24 V DC power to RYPWB (via ILSW)
24 V DC power to RYPWB (via ILSW)
24 V DC power to RYPWB (via ILSW)
Sleep mode signal: On/Off
Power relay signal: On/Off
FH: On/Off
24 V DC power to ILSW
Not used
24 V DC power from ILSW
24 V DC power to MPWB
Ground
0/3.3 V DC (pulse) Zero-cross signal
YC104
Connected to
interlock
switch
YC105
Connected to
main PWB
1
2
3
1
2
2-3-2