— 3 —
BLOCK DIAGRAM
OE
CE(AR18)
AR0 ~ AR17
IO0
~
IO15
Main Clock
21.7251 MHz
Keys and Switches
KO4
~
KO19
KI1
~
KI8
CPU
CDT109-005
ROM
HN62414PD25
ROUT
LOUT
KO22
(APO)
VCC
AVDD
VDD
Power Amp.
LA4127
Output
Power IC
LA5668N
Filter (R)
M5218APR
Filter (L)
M5128APR
Speakers
Main Volume
Control
PG1
Reset IC
S8053ALR
DATA
BCK
WCK1
LRCK
DAC
LC7881C
DVDD
PG2
MIDI Clock
2 MHz
Reset
