Service manual

Confidential BTP-M280 Service Manual
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4.2.2 Disassemble the Main Control Board Cover
Pictures
Instructions
Unscrew two screws (M2.5x5) as shown and take the
interface module off.
Note:
Please use a moderate force to avoid bending the
interface connector pins when connecting or
disconnecting the interface board.
1) Unplug all the wires in the main control board with
a moderate force;
2) Unscrew the four screws (M3 x 5) with the screw
driver and take the board off.
Note:
Please keep the main control board safely to avoid
scratching and short circuit.
Please do not pull the connection wire to avoid
damaging the wire when pluging and unplugging
the connection wire.
1) Unscrew the two screws (M2x8) as shown item
of the figure with the screw driver and take the
micro switch off;
2) Unscrew the two sink screws (M3x5) as shown
item of the figure with the screw driver and take
the guide plate off;
3) Take the power switch off as the arrow shown in
the figure.
Unscrew the three screws (M3x5) as shown with the
screw driver and take the interface plate off as the arrow
shown in the figure.