Removing Electrical Components - Hitachi RAS-2-HVNP Service Manual

10. Servicing
10.3.4.13 Removing electrical components
  
Removing control PCB (PCB1)
1 Remove the service cover following
2 Remove all the wiring connected to the control PCB.
D A N G E R
DO NOT touch electrical components while the LED1
(Red) is ON to avoid electrical shock. Wait until the LED
turns off.
3 Remove the 6 holders. Clamp the middle part of the holders
with long-nose pliers and remove it toward front side.
D A N G E R
DO NOT touch the electrical components on the PCB.
Pay attention not to bend or apply much force onto PCB
in order to avoid PCB failure.
  
Removing Inverter module
1 Remove the service cover following
2 Open the P plate turning counter clockwise approximately 90° following
• Check that the LED201 (red) on Inverter is OFF when the P plate is opened.
D A N G E R
DO NOT touch electrical components while the LED201 (Red) or LED1 (Red) are ON to avoid electrical shock.
Wait until the LEDs turn off.
3 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.
388
SMGB0079 rev.0 - 01/2013
Removing service cover.
Printed Circuit Board (PCB1)
Printed Circuit Board (PCB1)
Removing service cover.
Opening electrical box (P plate).
Holder
PCB
M3 screw
Bush
Holder Holder
Spacer
Inverter PCB