Casio EX-843 Service Manual page 42

A-5. Removal of the main PCB (PCB ASSY/E843-1)
(1) Unlock the connector lock and disconnect the FPC.
(2) Disconnect four connectors.
(3) Undo four screws.
(4) Replace the main PCB (PCB ASSY/E843-1) with a new one.
(3) Screw (S2)
0 In this stage, the two places shown below are not fastened with screws yet.
A-6. Assemble the parts in the reverse order of the disassembly procedure.
Ground wire
4
(2) Connector
Note on reassembling
(2) Connectors
(1) FPC
(4) PCB ASSY/E843-1
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V-R200 / VER.1