CASIO SA21 Service Manual

4.4 (13)

SA-21

INDEX

CONTENTS

SCHEMATIC DIAGRAM

 

PCB M3233-CN1M .................................................................................................

1

PCB M3211-MA1M .................................................................................................

2

PCB M3233-KY1M .................................................................................................

3

BLOCK DIAGRAM .........................................................................................................

4

CIRCUIT DESCRIPTION

 

Amplifier / Voltage Regulator (AN8053) .............................................................

4

Key and Switch Matrix .........................................................................................

5

Nomenclature of Keys .........................................................................................

5

CPU (LSI1:MSM 6387-11) ....................................................................................

6

Filter Block ............................................................................................................

6

PARTS LIST ...................................................................................................................

7

EXPLODED VIEW / DISASSEMBLY .............................................................................

9

CASIO SA21 Service Manual

SCHEMATIC DIAGRAM

PCB M3233-CN1M

— 1 —

PCB M3211-MA1M

— 2 —

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