Hitachi RAS-2-HVNP Service Manual page 403

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)
3. PCN301
4. PCN302
5. Screws for PCB (M3)
7. Inverter PCB
10. LED201
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
6. CN3
8. CN206
9. CN2
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