Casio EX-843 Service Manual
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V-R200 / VER.1– 36 –A. Replacing the Main PCBSupplementary explanationWhen the main PCB is replaced with a spare part one.• Since an OS is already installed on the spare part main PCB, update the OS to an appropriateversion as required.Refer to: Diagnostic operation 2. UPDATING the OS• Write the serial number.Refer to: Diagnostic operation 1-6. Checking and Registering the Serial NumberA-1. Removal of the DISPLAY-ASSY(1) Undo two screws.Screw (S1)(2) Remove the DISPLAY-ASSY. |
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