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BLOCK DIAGRAM
KC0 ~
KC7
SI0 ~ SI7
FI0 ~ FI7
Key Touch LSI
HG52E35P
Working Strage
RAM (256K-bit)
HM62256ALP-10
Working Strage
RAM (256K-bit)
HM62256ALP-10
7-Segment
LED
LO0 ~ LO4
LED driver
BA612
LD0 ~ LD7
KO0 ~ KO7
Buttons
KI1 ~ KI7
VDD
Power Switch
MIDI
IN
OUT
EA0 ~ EA14
ED0 ~ ED7
DSP
HG51A115A01FD
RA0 ~ RA19
RD0 ~ RD15
Sound Source ROM
(16M-bit)
TC5316200CP-C081
WCK1 SLOP BCK
D/A Converter
UPD6376CX
Filter
Filter
Main
Volume
Power Amplifier
LA4620
Gate Array
UPD65005C-578
CPU
HD6433298A18P
Keyboard
A0 ~ A15
POWER
Power Supply Circuit
Q1 ~ Q7
VCC
AVDD
VDD
LVDD
DVDD
VD
APO
Effect RAM
(256K-bit)
HM62256ALP-10
D0~D7
Speakers
Output
A0 ~ A14
A0 ~ A3
A0 ~ A2
LEDs