Casio DT-940 - Screw Types; Component Disassembly Procedures

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3.2 SCREW TYPES
A Screw (Y) Silver
For OUTER-CASE
B Screw (+) Silver
Flat-head
C Screw (+) Silver D Screw (+) Silver
F or LASER-MODULE
E Screw (+) Black
For NOSE-CAP
3.3 DISASSEMBLY PROCEDURES
3.3.1 OPENING AND CLOSING OF L-CASE
Procedures
(1) Remove BATTERY-COVER and remove the main batteries or rechargeable batteries.
(2)
Dismantle two face screws and remove SUB-BATTERY-COVER. Remove the sub battery.
(3) Remove six A screws (Y, silver).
(4) Remover two E screws (+, black). (Down-facing reader port model only)
(5) Pivoting the lower end of the body, open L-CASE lengthwise. With no hooks, it can easily be
opened.
* For the closing, reverse the above order.
(4) E Screws
(3) A Screw
(3) A Screw
(3) A Screw
(3) A Screw
(3) A Screw
(3) A Screw
(1)
(2)
RearFront
Face Screws (Black)