RW-337D Service Manual I Page 13 of 61
4.2.2 Disassemble the main control board cover
Picture
Instructions
Remove the two screws (M2.5x5) shown in the figure
with cross screwdriver, and take off the optional
communication interface module.
Notes:
Please use moderate force to plug/unplug the
communication interface in horizontal direction to
avoid damaging the pins.
1)
Unplug all the wires in the main control board
with a moderate force;
2)
Remove the four screws (M3x5) with the screw
driver and take off the main control board.
Notes:
Please keep the main control board safely to avoid
scratching and short circuit;
Please do not pull the connection wire to avoid
damage to the wire when plug and unplug the
connection wire.
1)
Remove the two screws (M2x8) shown in the
figure at ① with cross screwdriver and take off
the micro switch;
2)
Remove the two sunk screws (M3x5) shown in the
figure at ② with cross screw driver and take
off
the guide plate;
3)
Take off the power switch in the arrow direction
shown in the figure