Block Diagram - Casio CPS-130 Service Manual

Output
Main Volume
Power Amp.
LA4127
Speakers
VDD

BLOCK DIAGRAM

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