Disassembling The Electrical Parts Box - Mitsubishi Electric PUZ-ZM100VKA Service Manual

OPERATING PROCEDURE

4. Disassembling the electrical parts box

(1) Disconnect all the connectors on the controller circuit
board.
[Disassembling the electrical parts box for V model]
(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, 2 and 3 from the front of
the electrical parts box. (See Figure 4)
(3) Remove the plate equipped with the outdoor controller
circuit board from the electrical parts box.
(The plate is fixed to the cont base piece with hooks on the
left side.)
[Disassembling the electrical parts box for Y model]
(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 6 and 7)
(3) Slide the plate in the direction of the arrow A and remove it.
(See Photo 6.)
(4) Remove the lead wires from the clamp on the bottom of the
electrical parts box. (See Photo 6)
(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 8 and 9)
(6) 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 10)
Note: When reassembling the electrical parts box, make
sure the wirings are correct.
Photo 7
Screw2
Heat sink
Photo 9
Noise filter
circuit board
(N.F.)
Converter
circuit board
(CONV.B)
Power circuit
board (P.B)
OCH654
Bottom plate of
electrical parts
box
Screw3
Electrical parts
box
B
Controller
circuit board
(C.B)
PHOTOS & ILLUSTRATION
Figure 4
Screw 3
Cont base
piece
Controller
circuit board
(C.B.)
Photo 6
A
Photo 8
Screw4
Bottom plate of electrical parts box
Photo 10
Screw6
Noise filter circuit board (N.F.)
106
Electrical parts box
Screw 1
Screw 2
Noise filter circuit
board (N.F.)
Electrical
parts box
Screw1
Controller
circuit board
(C.B.)
Clamp
Screw5
Electrical parts box
Screw7