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An appliance including a cabinet having a first PCB located therein, a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet, and a second PCB located in the door. In addition, at least one first connector is connected to

An appliance including a cabinet having a first PCB located therein, a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet, and a second PCB located in the door. In addition, at least one first connector is connected to the first PCB. At least one second connector is connected to the second PCB and is electronically connectable to the first connector. In particular, the second connector is electrically connected to the first connector when the door is in a substantially closed position.

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1. An appliance, comprising: a cabinet having a first printed circuit board located therein;a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet;a second printed circuit board located in the door;at least one first conn

1. An appliance, comprising: a cabinet having a first printed circuit board located therein;a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet;a second printed circuit board located in the door;at least one first connector connected to the first printed circuit board;at least one second connector connected to the second printed circuit board for supplying electric power to the second printed circuit board;a connector entrance located at a portion of the cabinet corresponding to the first connector;a connector entrance covering element located in the cabinet to open and close the connector entrance;a first wireless communication unit connected to the first printed circuit board; anda second wireless communication unit connected to the second printed circuit board, the first and second wireless communication units being configured to provide wireless communication between the first and second printed circuit boards,wherein, when the door is in a substantially closed position, the second connector pushes the connector entrance covering element so that the connector entrance is opened and the second connector is inserted into the connector entrance and electrically connected to the first connector by contact with the first connector, and when the door is in a substantially open position, the connector entrance is closed by the connector entrance covering element as the second connector is removed from the connector entrance, and the second connector is electrically disconnected from the first connector by removing the contact with the first connector,wherein the first connector includes one of a latch board and a latch located on the cabinet, and the second connector includes the other of the latch board and the latch located on the door, andwherein the latch includes: a data transmission portion;a power transmission portion; andan electrical insulation portion separating the data transmission portion from the power transmission portion. 2. The appliance of claim 1, wherein the first connector includes a housing in the cabinet, and the second connector has a wafer structure that is electrically connectable to the first connector. 3. The appliance of claim 1, wherein the connector entrance covering element includes: a cover that is pivotally attached to the cabinet; andan elastic member that biases the cover to close the connector entrance when the door is in a substantially opened position. 4. The appliance of claim 3, wherein the cover is made of silicone. 5. The appliance of claim 1, wherein the connector entrance covering element includes a cover member having a cutout portion formed therein, the cutout portion is elastically deformable to be opened/closed by the insertion/removal of the second connector. 6. The appliance of claim 1, wherein the second printed circuit board includes a power source unit that provides power to the second printed circuit board when the second connector is not electrically connected to the first connector. 7. The appliance of claim 1, wherein the second printed circuit board includes memory to store information. 8. The appliance of claim 1, wherein the first connector includes the latch board located on the cabinet and the second connector includes the latch located on the door. 9. The appliance of claim 1, wherein, when the latch is electrically connected to the latch board, data is transmitted between the first and second printed circuit boards via the data transmission portion and power is transmitted from the first printed circuit board to the second printed circuit board via the power transmission portion. 10. The appliance of claim 1, wherein the first connector includes at least a second of a latch board and a latch located on the cabinet and the second connector includes at least a second of the other of the latch board and the latch located on the door. 11. The appliance of claim 10, wherein the second latch board and the second latch are configured to transmit power from the first connector to the second connector. 12. The appliance of claim 1, wherein the at least one first connector includes a plurality of first connectors, and the at least one second connector includes a plurality of second connectors. 13. The appliance of claim 12, wherein at least a first portion of the first and second connector parts are configured to transmit data between the first and second printed circuit boards, and a second portion of the first and second connector parts are configured to transmit power from the first printed circuit board to the second printed circuit board. 14. An appliance, comprising: a cabinet having a first printed circuit board located therein;a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet;a second printed circuit board located in the door;at least one first connector connected to the first printed circuit board;at least one second connector connected to the second printed circuit board for supplying electric power to the second printed circuit board;a connector entrance located at a portion of the cabinet corresponding to the first connector; anda connector entrance covering element located in the cabinet to open and close the connector entrance,wherein, when the door is in a substantially closed position, the second connector pushes the connector entrance covering element so that the connector entrance is opened and the second connector is inserted into the connector entrance and electrically connected to the first connector by contact with the first connector, and when the door is in a substantially open position, the connector entrance is closed by the connector entrance covering element as the second connector is removed from the connector entrance, and the second connector is electrically disconnected from the first connector by removing the contact with the first connector,wherein the first connector includes one of a latch board and a latch located on the cabinet, and the second connector includes the other of the latch board and the latch located on the door,wherein the latch includes: a data transmission portion;a power transmission portion; andan electrical insulation portion separating the data transmission portion from the power transmission portion, andwherein, when the latch is electrically connected to the latch board, data is transmitted between the first and second printed circuit boards via the data transmission portion and power is transmitted from the first printed circuit board to the second printed circuit board via the power transmission portion. 15. The appliance of claim 14, wherein the first connector includes a housing in the cabinet, and the second connector has a wafer structure that is electrically connectable to the first connector. 16. The appliance of claim 14, wherein the connector entrance covering element includes: a cover that is pivotally attached to the cabinet; andan elastic member that biases the cover to close the connector entrance when the door is in a substantially opened position. 17. The appliance of claim 16, wherein the cover is made of silicone. 18. The appliance of claim 14, wherein the connector entrance covering element includes a cover member having a cutout portion formed therein, the cutout portion is elastically deformable to be opened/closed by the insertion/removal of the second connector. 19. The appliance of claim 14, wherein the second printed circuit board includes a power source unit that provides power to the second printed circuit board when the second connector is not electrically connected to the first connector. 20. The appliance of claim 14, wherein the second printed circuit board includes memory to store information. 21. The appliance of claim 14, further comprising: a first wireless communication unit connected to the first printed circuit board; anda second wireless communication unit connected to the second printed circuit board, the first and second wireless communication units being configured to provide wireless communication between the first and second printed circuit boards. 22. The appliance of claim 14, wherein the first connector includes the latch board located on the cabinet and the second connector includes the latch located on the door. 23. The appliance of claim 14, wherein the first connector includes at least a second of a latch board and a latch located on the cabinet and the second connector includes at least a second of the other of the latch board and the latch located on the door. 24. The appliance of claim 23, wherein the second latch board and the second latch are configured to transmit power from the first connector to the second connector. 25. The appliance of claim 14, wherein the at least one first connector includes a plurality of first connectors, and the at least one second connector includes a plurality of second connectors. 26. The appliance of claim 25, wherein at least a first portion of the first and second connector parts are configured to transmit data between the first and second printed circuit boards, and a second portion of the first and second connector parts are configured to transmit power from the first printed circuit board to the second printed circuit board. 27. An appliance, comprising: a cabinet having a first printed circuit board located therein;a door connected to the cabinet, the door being moveable between an open position and a closed position to open and close the cabinet;a second printed circuit board located in the door;at least one first connector connected to the first printed circuit board;at least one second connector connected to the second printed circuit board for supplying electric power to the second printed circuit board;a connector entrance located at a portion of the cabinet corresponding to the first connector; anda connector entrance covering element located in the cabinet to open and close the connector entrance,wherein, when the door is in a substantially closed position, the second connector pushes the connector entrance covering element so that the connector entrance is opened and the second connector is inserted into the connector entrance and electrically connected to the first connector by contact with the first connector, and when the door is in a substantially open position, the connector entrance is closed by the connector entrance covering element as the second connector is removed from the connector entrance, and the second connector is electrically disconnected from the first connector by removing the contact with the first connector,wherein the first connector includes one of a latch board and a latch located on the cabinet, and the second connector includes the other of the latch board and the latch located on the door,wherein the latch includes: a data transmission portion;a power transmission portion; andan electrical insulation portion separating the data transmission portion from the power transmission portion,wherein the at least one first connector includes a plurality of first connectors, and the at least one second connector includes a plurality of second connectors, andwherein at least a first portion of the first and second connector parts are configured to transmit data between the first and second printed circuit boards, and a second portion of the first and second connector parts are configured to transmit power from the first printed circuit board to the second printed circuit board. 28. The appliance of claim 27, wherein the first connector includes a housing in the cabinet, and the second connector has a wafer structure that is electrically connectable to the first connector. 29. The appliance of claim 27, wherein the connector entrance covering element includes: a cover that is pivotally attached to the cabinet; andan elastic member that biases the cover to close the connector entrance when the door is in a substantially opened position. 30. The appliance of claim 29, wherein the cover is made of silicone. 31. The appliance of claim 27, wherein the connector entrance covering element includes a cover member having a cutout portion formed therein, the cutout portion is elastically deformable to be opened/closed by the insertion/removal of the second connector. 32. The appliance of claim 27, wherein the second printed circuit board includes a power source unit that provides power to the second printed circuit board when the second connector is not electrically connected to the first connector. 33. The appliance of claim 27, wherein the second printed circuit board includes memory to store information. 34. The appliance of claim 27, further comprising: a first wireless communication unit connected to the first printed circuit board; anda second wireless communication unit connected to the second printed circuit board, the first and second wireless communication units being configured to provide wireless communication between the first and second printed circuit boards. 35. The appliance of claim 27, wherein the first connector includes the latch board located on the cabinet and the second connector includes the latch located on the door. 36. The appliance of claim 27, wherein, when the latch is electrically connected to the latch board, data is transmitted between the first and second printed circuit boards via the data transmission portion and power is transmitted from the first printed circuit board to the second printed circuit board via the power transmission portion. 37. The appliance of claim 27, wherein the first connector includes at least a second of a latch board and a latch located on the cabinet and the second connector includes at least a second of the other of the latch board and the latch located on the door. 38. The appliance of claim 37, wherein the second latch board and the second latch are configured to transmit power from the first connector to the second connector.