3-20 (E)
MAV-555
3-5-4. SW-14 Board
Removal
1.
Remove the control panel. (Refer to Section 3-2-3.)
2.
Remove the SA-37 board. (Refer to Section 3-5-3.)
3.
Remove the four screws (B3
x
6) and remove the
control panel frame (B) in the direction of the arrow.
4.
After removing the dial knob rubber, remove the screw
(PWH2.6
x
5) and remove the dial knob from the
shaft.
n
If the dial knob rubber cannot be removed easily,
remove it by pulling up the end with a flatblade
screwdriver.
5.
Remove the five screws (B3
x
6) and remove the
control panel frame (A) (including the search dial
assembly) in the direction of the arrow.
6.
Remove the sheet (B), remove the four screws (B2
x
5), and remove the LCD unit. (Refer to Section 3-4-6.)
n
The sheet (B) is fixed by double-sided adhesive tape.
Remove the sheet (B) by peeling the tape off.
7.
Remove the 10 screws (B2
x
4) and remove the
control panel frame (C).
8.
Remove the three screws (B2
x
4), the control panel
frame (D) and insulating sheet, and remove the SW-14
board.
n
When peeling off the insulating sheet, be careful not to
damage it.
Installation
Attach a new SW-14 board by reversing the disassembly
procedure of steps 1 through 8.
n
When assembling the rubber keys (A), (B) and (C), align the
projected part with the holes of SW-14 board and that insulat-
ing sheet and that control frame (D). Then insert the pointed
tool from the rear of the projected part to fix them tentatively.
3-5. Replacing the Board
B2
x
4
B2
x
4
B2
x
4
Control panel
frame (C)
Control panel
frame (D)
Insulating sheet
SW-14 board
B2
x
4
B2
x
4
Dial knob
Shaft
Control panel frame (A)
(including the search dial assembly)
Control panel
frame (B)
Dial knob
rubber
Flatblade screwdriver
B3
x
6
B3
x
6
B3
x
6
B3
x
6
B3
x
6
B3
x
6
B3
x
6
PWH
2.6
x
5
Rubber keys (A), (B), (C)
Control frame (D)
Insulating sheet
Cross-section view
