Hitachi UX Twin Nozzle Service Manual page 109

[Replacement procedures of EZJ113 board]
(1) Turn off the power and wait for more than 10 seconds. Then pull the plug out of the
wall outlet.
(2) Remove the fixing screws (4 locations) , remove the side cover
and remove the ground wire.
(It is not necessary to remove the inlet base and inlet cover.)
Main power
switch
Inlet cover
(3) Remove the connectors (CN1, 2, 3, 4) and replace EZJ113 board, with a new one.
(Three fixing spacers and one fixing screw.)
(4) Insert the connectors of CN1, CN2, CN3 and CN4 in place.
Ground wire connecting
position
(5) Place the ground wire terminal around the connecting position, then close the side
cover. When closing the cover, be sure not to pinch the wires.
(6) Be sure to connect the ground wire terminal to the ground wire connecting position.
When you turn the main power switch ON, be sure to connect the ground wire.
Side cover
Fixing screws
(4 locations)
[Inside of side cover]
EZJ113
CN2
Caution against an electric shock
3-33
CN3
CN4
CN1