Kyocera FS 1100 Service Manual - Page 112

Power source PWB silk-screen diagram, Connector, Signal, Voltage, Description, YC101

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2H5/2HS YC104 YC105 YC103 YC102 YC101 Figure 2-3-2 Power source PWB silk-screen diagram Connector YC101 Connected to the AC inlet YC102 Connected to the fuser heater lamp YC103 Connected to the high voltage PWB YC104 Connected to the left cooling fan motor YC105 Connected to the fuser thermistor Pin Signal 1 LIVE 2 NEUTRAL 1 HEATER COM 2 N.C. 3 HEATER LIVE 1 +24V1 2 SGND 3 FAN 4 THERM 5 +3.3V 6 HEATN 7 SLEEP 8 ZCROSS 9 +24V2 10 +24V2 11 PGND 12 PGND 1 +24V1 2 FAN 1 +3.3V1 2 THERM I/O Voltage Description I 120 V AC AC power input 220 - 240 V AC I 120 V AC AC power input 220 - 240 V AC O 120 V AC Fuser heater lamp output 220 - 240 V AC -- Not used O 120 V AC Fuser heater lamp output 220 - 240 V AC O 24 V DC 24 V DC power source -- Ground I 0/24 V DC Left cooling fan motor: On/Off O Analog Fuser thermistor detection voltage I 3.3 V DC 3.3 V DC power source I 0/3.3 V DC Fuser heater lamp: On/Off I 0/3.3 V DC Sleep mode signal: On/Off O 0/3.3 V DC (pulse) Zero cross signal O 24 V DC 24 V DC power source (via interlock switch) O 24 V DC 24 V DC power source (via interlock switch) -- Ground -- Ground O 24 V DC 24 V DC power source O 0/24 V DC Left cooling fan motor: On/Off O 3.3 V DC I Analog 3.3 V DC power source Fuser thermistor detection voltage 2-3-2

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2H5/2HS
2-3-2
Figure 2-3-2 Power source PWB silk-screen diagram
Connector
Pin
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