Casio DT-940 Service Manual page 17

3.3.4 IO-ASSY DISASSEMBLY/ASSEMBLY
Procedures
(1) Peel a fastening tape for CONNECTOR A and disconnect FFC-CABLE from the connector.
(2) Peel a fastening tape for CONNECTOR B and disconnect FFC-CABLE from the connector.
(3) Remove two C screws (+, silver).
(4) Detach IO-ASSY.
* IO-ASSY is fixed to L-CASE with a W tape.
* For the assembly, reverse the above order.
(1) CONNECTOR A
Enlarged CONNECTOR A
(1) Disconnect FFC-CABLE after releasing upward the lock of CONNECTOR A.
The same procedures are applied to CONNECTOR B.
(3) C Screw
(4) IO-ASSY is attached to the case with a W tape. Peel the tape before removing IO-ASSY.
Be sure to use brand new W tape when you reattach IO-ASSY once removed.
(2) CONNECTOR B (positioned under FFC)
(3) C Screw
IO-ASSY
The W tape is attached on the IO-ASSY side.
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