Hitachi RAS-(3-6)HVRNM2E Service Manual page 394

10 Servicing
  
Removing "W" electrical components surface
1 Remove the service cover according to the section
2 Open the P-mounting plate by rotating 90 degrees to the left according to the section
ting plate), see on page 379 in this chapter.
3 Use a screw driver to push and release the plastic holders retaining the "W" electrical components surface.
D A N G E R
• Check that the LED201 (red) located on the "W" surface PCB is OFF when opening the P-mounting plate.
• Do not touch the electrical components when LED201 (Red) located on the "W" surface PCB is ON in order to
avoid an electrical shock.
N O T E
• Identify the terminal numbers with mark band. When reassembling the terminals have to be connected to the
correct numbers . If incorrectly connected malfunctions or damages will occur.
• Check to ensure that the electrical wires will not be caught between the assembled electrical components and
the mounting plates when the "W" electrical components surface is reassembled.
D A N G E R
•
Identify the terminal numbers with mark band. When reassembling the terminals have to be connected to the
correct numbers . If incorrectly connected malfunctions or damages will occur.
• In case of replacing control PCB set all the dip switches as the same position before replacing. If not mal-
function may occur. Refer to the manual attached with the service PCB.
• Do not apply strong force to the electric components and PCBs to avoid damage.
RAS-(4-6)HRNM2E
1. Transformer.
2. Terminal board.
3. PCB1 for control.
A. (U) Surface.
B. (V) Surface.
C. (W) Surface.
  
Removing other electrical components
1 Remove the service cover according to the section
2 Open the P-mounting plate by rotating it to the left according to the section
see on page 379 in this chapter.
384
SMGB0064 rev.0 - 08/2011
Removing service
A
1
2
Removing service
cover, see on page 372 in this chapter.
C
B
3
cover, see on page 372 in this chapter.
Opening electrical box (P-mounting
Opening electrical box (P-moun-
plate),