Hitachi RAS-2-HVNP Service Manual page 450

10. Servicing
Removing Diode Module (DM)
1 Disconnect the wirings of terminal + - U V W on the diode module.
2 Remove 2 M5 fixing screws on the diode module.
3 Remove the diode module from the electrical box.
1: 5 Screws (M5)
2: Fixing screw (M5)
Removing Transistor Module (IPM)
1 Disconnect all the wirings connected to the transistor module.
2 Remove the connectors CN2, CN3, CN206, PCN301 and PCN302 from the transistor module.
3 Disconnect the wirings of P N U V W on the transistor module.
4 Remove 4 M4 fixing screws on the transistor module.
5 Remove the transistor module from the electrical box.
1. Screws for transistor module (M4)
2. Screw (M5)
5. Screws for PCB (M3)
7. Inverter PCB
6 Reassemble the parts in the reverse order of removing order.
N O T E
Identify terminal with the mark band when reassembling to avoid incorrect wiring.
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SMGB0079 rev.0 - 01/2013
3. PCN301
4. PCN302
6. CN3
8. CN206
9. CN2
10. LED201