Casio DT-940 Service Manual page 19

3.3.7 LF-HOLDER AND LASER-FILTER DISASSEMBLY/ASSEMBLY (DT-940)
Procedures
(1) Remove two B screws (+, silver).
(2) Remove LF-HOLDER-A.
(3) Remove LF-HOLDER-B and LASER-FILTER.
* LASER-FILTER is fixed to CASE and LF-HOLDER-B with a W tape.
(1) B Screws
< Note >
Assemble LASER-FILTER as shown below.
(3)
LASER-FILTER
(3)
LASER-FILTER
Peel off paper from
the w tape.
* Wear globes and push 5 places evenly.
* Do not push with bear hand.
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(2)
(3)
LF-HOLDER-B