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

10. Servicing
10.3.2.15 Removing electrical components
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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.
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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) is ON to avoid electrical shock. Wait until the
LED turns off.
3 Remove all the wiring connected on the Inverter.
4 Remove 4 screws which fix the Inverter.
Hold the wires placed at the bottom side.
5 Pull the Inverter toward right side from the front of the pro-
duct. (Remove along with the plastic case and the radiation
fin).
358
SMGB0079 rev.0 - 01/2013
Removing service cover.
Printed Circuit Board (PCB1)
Printed Circuit Board (PCB1)
Removing service cover in this chapter.
Opening electrical box (P plate).
Inverter PCB
Inverter PCB
Fixed with cord clamps
Fixed with Cord Clamp
Holder Holder
4 fixing
Fixing Screw
screws
(4 pcs.)