Removing Control Pcb (Pcb1 And Pcb3); Removing Diode Module (Dm) - Hitachi RAS-(3-6)HVNC1(E) Service Manual

10 Servicing
10.6.14 Removing electrical components
10.6.14.1 Removing control PCB (PCB1 and PCB3)
1 Remove the service cover following
vice cover".
2 Remove all the wiring connected to the control PCB.
3 Remove the 6 holders. Clamp the middle part of the hol-
ders with long-nose pliers and remove it toward front side.
10.6.14.2 Removing Inverter module
1 Remove the service cover following
vice cover".
2 Open the P plate turning counter clockwise approximately
90°.
3 Check that the LED201 (red) on Inverter is OFF when the P
plate is opened. Remove 4 screws M3, remove the bushes
and remove the spacers fixing the inverter.
N O T E
When mounting again be sure to place the bushes and spa-
cers.
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.
409
SMGB0087 rev.0 - 12/2013
"10.6.1 Removing ser-
Printed Circuit Board (PCB1 and PCB3)
"10.6.1 Removing ser- Holder
PCB
M3 screw
Bush
1 5 Screws (M5)
Fixing screw (M5)
2
Holder
Spacer
Inverter PCB
10