Casio DT-700 Service Manual page 13

6-2.
Attachment and Removal of P690-SUB Board
1) Remove the two flat screws (2 x 3.5) and raise
up the P690-SUB board.
2) Disconnect the FFC joiner of the P690-SUB
board from the connector.
connector opening with a tweezers or similar
tool and then pull out the joiner after loosening
the opening.
3) Attachment is performed by
following the reverse procedure of
removal. Push in the FFC joiner
into the space above the connector
while making sure it does not
become pinched between the
upper case and lower case.
6-3.
Removal and Attachment of Laser
Module
1) Remove the FFC joiner from
the P690-MAIN board by
means of the connector above
the laser module. First, slide
the connector opening with a
tweezers or similar tool, and
then pull out the joiner after
loosening the opening.
2) Remove the two flat screws (2
x 5 Ni) and then remove the
laser module.
First, slide the
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