Olivetti d-Color MF2001 - IH PWB Parts List

2KZ/2K0
2-3-24
Connector Pin Signal I/O Voltage Description
YC1
1 IH_NEUTRAL I 220 V AC AC power input
Connected to
power source
PWB
2 IH_LIVE I 220 V AC AC power input
YC3
1 TH2 - Analog Low side IGBT case temperature
Connected to
IH control
PWB
2 TH1 - Analog High side IGBT case temperature
3 AC_CURREN
T
- Analog AC input current
4 AC_VOLTAGE - Analog AC input voltage
5 OUT_CURRE
NT
- Analog Output current
6 IH_REM - 0/5 V DC IH: On/off
7 ROTATION - 0/5 V DC TCBM control signal
8 RXD - 0/5 V DC (pulse) Serial communication data signal input
9 TXD - 0/5 V DC (pulse) Serial communication data signal output
10 S1 - 0/5 V DC For soft distinction
11 IGBT1 - 0/5 V DC gate output
12 IGBT2 - 0/5 V DC gate output
13 S2 - 0/5 V DC For soft distinction
14 ERROR - 0/5 V DC Error signal
15 5V - 5 V DC 5 V DC power output to IHCPWB
16 GND - - Ground
YC4
1 SGND - - Ground
Connected to
engine PWB
2 3.3V4 I 3.3 V DC 3.3 V DC power input from EPWB
3 IH_REM I 0/3.3 V DC IH: On/off
4 ROTATION I 0/3.3 V DC TCBM control signal
5 RXD I 0/3.3 V DC (pulse) Serial communication data signal input
6 TXD O 0/3.3 V DC (pulse) Serial communication data signal output
YC6
1 +15V-1 O 15 V DC Control power supply
Connected to
thermostat
2 +15V-2 I 15 V DC Gate drive power supply
YC8
1 24VIL I 24 V DC 24 V DC power input from EPWB
Connected to
engine PWB
2 RELAY I 0/3.3 V DC RSW: On/Off
3 PGND - - Ground
Service Manual Y113010-4