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com1~com16
LCD
SEG1~SEG40
MIDI Rom
HE80M04
1IC5
key0~key3
Keyboard
sel0~sel4
PAD LED
2T3.2T10.2T11.2T12
PAD Sevsor
VCC
VLED
Power Supply Circuit
power
3IC2 3IC4 3T4
switch
DC+9V
BATT
LCD Driver
S6A0069
6IC 1
A0~A18
D0~D7
OE
MCU
P87C52
1IC4
DFF
74HC374
1IC7~1IC10
4
4
PWN-WRN
D+5
A+5
DC+9V
IN
Audiobus
MIDI
LSI MIDI
SAM9793
reset
Mclk
1IC112
oscillator
oscillator
xtral2 12MHZ
xtral1 9.6MHZ
D.LE.clk
sound effect
Audio ch2
HE 80085
reset
1IC11
D.CLK
ML
MC
MD
DAC
LPF
PCM 1717
1R2~1R7 1R25
1IC1
1C22~1C26
Audio ch1
Vol.Ctrl
M62429
1IC2
Power Amp
LA4550
3IC1
Headphone speaker
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