Casio DT-700, Service Manual, Page: 15 / 42

Page 13
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 P690-
MAIN 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.