Kyocera TASKalfa 420i Service Manual page 305

Connector Pin No.
YC2 45
Connected 46
to the main
47
PWB
48
49
50
YC3 1
Connected 2
to the laser
3
scanner unit
4
5
6
7
8
9
10
11
12
13
14
YC4 A1
Connected A2
to the regis-
A3
tration
A4
switch, fuser
unit, duplex
A5
feed clutch,
A6
duplex
A7
paper con-
veying
A8
switch,
A9
paper con-
A10
veying fan
motor 1/2/3
B1
and duplex
B2
fan motor 1/
2/3 B3
B4
B5
B6
B7
B8
B9
B10
Signal I/O
GND -
MAIN_EGIRN I
MAIN_SO O
MAIN_SDIR I
MAIN_SBSY I
24V_OFF I
5VSAFE I
SAMPLE1 O
POWCONT O
LASER O
VD+ O
VD- O
GND -
PD I
GND -
R24V O
GND -
SCAN O
SCRDYN I
SCCLK O
GND -
RGFEPS I
+5V O
FUSP0 I
+3.3V O
THFUSER I
GND -
THCSTD I
THCSEN I
OPEN -
R24V O
DUCL O
GND -
DUFEPS I
+5V O
+24V2 O
FAN_CONV O
DUSET I
+24V2 O
FAN5 O
Voltage
- Ground
0/3.3 V DC MPWB interrupt signal
0/3.3 V DC (pulse) MPWB serial communication data signal
0/3.3 V DC MPWB communication direction signal
0/3.3 V DC MPWB busy signal
0/3.3 V DC MPWB 24 V down signal
5 V DC 5 V DC power output to APCPWB
0/3.3 V DC APCPWB sample/hold signal
APCPWB power control signal
Analog
0/3.3 V DC Laser diode output signal
0/3.3 V DC (pulse) Video data signal
0/3.3 V DC (pulse) Video data signal
- Ground
0/3.3 V DC Laser sync signal
- Ground
24 V DC 24 V DC power output to PM
- Ground
0/24 V DC PM: On/Off
0/3.3 V DC PM ready signal
0/3.3 V DC (pulse) PM clock signal
- Ground
0/3.3 V DC RSW: On/Off
5 V DC 5 V DC power output to RSW
0/3.3 V DC Fuser unit distinction signal
3.3 V DC 3.3 V DC power output to FUPWB
Analog FTH1 detection voltage signal
- Ground
Analog FTH2 detection voltage signal
Analog FTH2 detection voltage signal
- Not used
24 V DC 24 V DC power output to DUPFCL
0/24 V DC DUPFCL: On/Off
- Ground
0/3.3 V DC DUPPCSW: On/Off
5 V DC 5 V DC power output to DUPPCSW
24 V DC 24 V DC power output to PCFM1,2,3
0/24 V DC PCFM1,2,3: On/Off
0/3.3 V DC Duplex unit distinction signal
24 V DC 24 V DC power output to DUPFM1,2,3
0/24 V DC DUPFM1,2,3: On/Off
2KR/2KS-1
Description
2-3-7