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