Mitsubishi Electric Mr.Slim PUHZ-SHW80VHA Service Manual page 101

OPERATING PROCEDURE
4. Disassembling the electrical parts box
(1) Disconnect all the connectors on the controller circuit
board.
(2) Remove the 3 screws, screw 1, 2 and 3, that fix the
plate equipped with the outdoor controller circuit board,
and the electrical parts box, screw 1 from the front and
the screw 2 and 3 from the bottom of the electrical parts
box. (See Photo 4-1 and 4-2)
(3) Slide the plate in the direction of the arrow A and remove it.
(See Photo 4-1)
(4) Remove the lead wires from the clamp on the bottom of the
electrical parts box. (See Photo 4-3)
(5) Remove the 3 screws, screw 4 and 5, that fix the bottom
side of the electrical parts box and remove the bottom side
plate by sliding in the direction of the arrow B. (See Photo
4-3 and 4-4)
(6) Remove the noise filter circuit board from the electrical
parts box. Then remove the 2 screws, screw 6 and 7,
that fix the plate equipped with the noise filter circuit board
and converter circuit board. (See Photo 4-5)
Note: When reassembling the electrical parts box, make
sure the wirings are correct.
Photo 4-2
Screw2
Heatsink
Photo 4-4
Noise filter
circuit board
(N.F.)
OCH526
Bottom plate of
electrical parts
box
Screw3
Electrical parts
box
B
Converter
circuit board
(CONV.B.)
Power circuit
board (P.B.)
PHOTOS & ILLUSTRATION
Photo 4-1
Photo 4-3
Screw4
Bottom plate of electrical parts box
Photo 4-5
Screw 6
Noise filter circuit board (N.F.)
101
Electrical
parts box
Controller
circuit board
(C.B.)
A
Clamp
Electrical parts box
Screw1
Screw5
Screw 7