Casio ap-21 - Safety Notice; Battery Replacement Caution

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CONTENTS
Safety Notice...................................................................................... 1
Specifications .................................................................................... 2
Block Diagram ................................................................................... 3
PCB Layout ........................................................................................ 4
Disassembly Instructions ................................................................. 5
Circuit Description ............................................................................ 8
Major Waveforms............................................................................. 10
Troubleshooting .............................................................................. 11
Wiring Diagram ................................................................................ 14
Exploded View ................................................................................. 15
Parts List .......................................................................................... 16
Schematic Diagrams ....................................................................... 19
SAFETY NOTICE
CAUTION!
Danger of explosion if battery is incorrectly replaced.
Replace only with the same of equivalent type recommended
by the appliance manufacturer.Discard used batteries
according to manufacturer's instructions.