Mitsubishi MS09NW Service Manual page 41

12-2 MS12NN, MS15NN, MS17NN
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 down of the front panel to your side slightly and
unhook the catches at the top of the front panel.
2. Removing the electronic control P.C. board
(1) Remove the front panel. (Refer to 1)
(2) Remove the screw, remove the electrical cover.
(3) Remove the elect cover.
(4) Remove the screw on the terminal block.
(5) Unhook the catch of the lamp holder.
(6) Remove the receiver holder.
(7) Disconnect the connectors and the lead wire from 52C
relay on the electronic control P.C. board and remove the
ground and the indoor coil thermistor.
(8) Remove the electronic P.C. board.
PHOTOS
Photo 1
Front panel
Screws
Photo 2
Ground Indoor coil thermistor
Screw
Terminal
block
screw
Electrical
P.C. board
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