BLOCK DIAGRAM
Power Switch
SUSTAIN
VDD
Working Storage
RAM (64K-bit)
MIDIButtons
LSI103OUT IN
LC3564S-10
FI9, FI10
Reset IC
RESETMA0MD0
IC106
~~SI9 KI0 ~ KI2
RE5VA35AA
MA12MD7
CPU
FI0 ~ FI10
MD0 ~ MD15Sound Source ROM
SI0 ~ SI8
LSI101
(16M-bit)
Keyboard
LSI104
UPD913GF-3BA
MX23C1610PC-
MA0 ~ MA19
12CA38KC0 ~ KC7
MA0, MA1BCK, SO, LRCK
LED driver
La ~ Lg, Lh
EA0 ~PA0 ~ PA6Q401 ~ Q407
DSP
EA12
Effect RAM
LEDs /
(64K-bit)LSI102
7Seg. LED
LSI105LED driver
EIO0 ~
LC3564S-10HG51B277FBPB0 ~ PB4IC105
EIO7LC0 ~ LC4
BA612
LRCK SO BCK
D/A Converter
IC106
UPD6379GR
LVDDDVDDVC
VCCAVDDVDD
Filter
Q115 ~ Q118
APOPower Supply Circuit
MainQ102 ~ Q109
VolumeD106, D108, D109
Output
Amp.
IC101
M5218APR
SpeakersFoot volume
Power Amplifier
IC102
LA4598
N 3 N |