Casio AP-20 - Safety Precautions; General Safety Warnings

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CONTENTS
Safety Notice...................................................................................... 2
Specifications .................................................................................... 3
Block Diagram ................................................................................... 4
PCB Layout ........................................................................................ 5
Disassembly Instructions ................................................................. 6
Circuit Description .......................................................................... 10
Major Waveforms............................................................................. 12
Troubleshooting .............................................................................. 13
Wiring Diagram ................................................................................ 17
Exploded View ................................................................................. 18
Parts List .......................................................................................... 21
Schematic Diagrams ....................................................................... 23
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.