CASIO DT760 I/O BOX
Manual de Servicio

4) Remove the two flat screws (2 x 3.5). 5) Stand up the P690-MAIN board while disconnecting the locking hooks (see diagram at right). However, perform this procedure carefully since an auxiliary SUB2 board is connected to the old MAIN board, and that auxiliary SUB2 board is difficult to remove as a result of being adhered to the inner case with double-sided adhesive tape.

6) Remove the LCD film from the two connectors on the back side of the P690MAIN board. The LCD film is removed by opening the connector opening (dark brown portion) upward.

7) Attachment is performed by following the reverse procedure of removal. When connecting the LCD film to the MAIN board connector, it is easier to also separate the LCD assembly from the inner case. (Refer to section 5 below for the procedure for removing the LCD assembly.) 6-5. Removal and Attachment of LCD Assembly 1) Remove the four flat screws (2 x 3.5) and then remove the LCD assembly from the inner case. 2) Attachment is performed by following the reverse procedure of removal. The film of the LED portion is securely fit into the tabs at four locations on the inner case.

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