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
-- 1 --
SCHEMATIC DIAGRAM
PCB M3233-CN1M
-- 2 --
PCB M3211-MA1M
-- 3 --
PCB M3233-KY1M