Removing The Front Panel; Removing The Electronic Control P.c. Board - Mitsubishi Electric MSH09TW Service Manual

13-2. MSH12TN MSH15TN MSH17TN MSH12TN -
INDOOR UNIT
OPERATING PROCEDURE

1. Removing the front panel

(1) Remove the screw caps at the bottom of the front panel.
Remove the screws.
(2) Pull the panel down to your side slightly and unhook the
catches at the top.
2. Removing the electronic control P.C. board, the
receiver P.C. board and the display P.C. board
(1) Remove the front panel. (Refer to 1)
(2) Remove the electrical cover.
(3) Remove the screw of the terminal cover.
(4) Remove the screw of the terminal block.
(5) Unhook the catch of the lamp holder.
(6) Remove the receiver holder and the receiver P.C. board.
(7) Remove the screw of the ground wire.
(8) Disconnect all the connectors and all the lead wires on the
electronic control P.C. board.
(9) Remove the electronic control P.C. board and display P.C.
board.
MSH15TN -
U1
Photo 1
Photo 2
Screw of the
ground wire
Lamp
holder
104
MSH17TN -
U1 U1
PHOTOS
Front panel
Screws
Indoor coil
thermistor
Screw of
the termi-
nal block
Indoor
electronic
control
P.C. board
Receiver
Display
Receiver
holder
P.C. board P.C. board