Interphone mainboard and interphone
The utility model discloses an interphone mainboard and an interphone, the interphone mainboard comprises a board body and a main control chip, the board body comprises a first installation surface and a second installation surface, and the first installation surface and the second installation surf...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The utility model discloses an interphone mainboard and an interphone, the interphone mainboard comprises a board body and a main control chip, the board body comprises a first installation surface and a second installation surface, and the first installation surface and the second installation surface are oppositely arranged; the first mounting surface is provided with keyboard exposed copper and a display screen bonding pad, the display screen bonding pad is used for welding a display screen, and the keyboard exposed copper is used for connecting a keyboard seat; the second mounting surface is provided with a loudspeaker bonding pad, and the loudspeaker bonding pad abuts against the first mounting surface through a bonding wire and is used for connecting and fixing a loudspeaker; and the main control chip is arranged on the first mounting surface and is electrically connected with the keyboard exposed copper, the display screen bonding pad and the loudspeaker bonding pad. According to the technical scheme o |
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