OPERATING PROCEDURE
PHOTOS
3. Removing the indoor power P.C. board, the
switch board, the display board, the receiver
board and the indoor electronic control P.C.
board
(1) Remove the panels (Refer to section 1.) and the right
corner box.
(2) Remove the indoor electrical box (Refer to section 2.).
(3) Remove the ground wire connected to the electrical
box from the indoor power P.C. board.
(4) Disconnect the following connectors:
<Indoor electronic power P.C. board>
CN106 (Switch board)
CN201 (Terminal block)
CN202 (To the indoor electronic control P.C. board)
(5) Remove the lead wire holder.
(6) Remove the indoor power P.C. board.
(7) Disconnect the following connectors:
<Indoor electronic control P.C. board>
CN111 (Room temperature thermistor)
CN112 (Indoor coil thermistor)
(8) Unhook the catches of the DISPLAY AND i-see
SENSOR ASSEMBLY from the electrical box (right
side).
(9) Unhook the catch of the rear cover of the DISPLAY
AND i-see SENSOR ASSEMBLY, and open the rear
cover.
Remove the display P.C. board and the receiver P.C.
board.
(10) Open the switch panel and remove the switch P.C.
board.
Photo 6
Photo 7
35
Catch of the DISPLAY AND
i-see SENSOR ASSEMBLY
Display P.C. board
Receiver P.C. board
OBHT872
