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DCIN
JK2
1
1
+
2
-
12V 500mA
3
POWER
SWITCH
R
VR+
I
G
JK1
H
8
T
4 Ohm
7
AUX OUT
3
P
2
VL+
4
H
PHONES 1
5
1
O
N
JK8
8
E
7
3
S
2
4
1
PHONES 2
5
1
L
4 Ohm
E
F
T
IC3
2
POWER SUPPLY
+5V
+9V
VL+
VR+
IC1
R
POWER
AMPLIFIER
Q1
Q2
MUTE
CONTROL
IC2
L
POWER
AMPLIFIER
Q6
MAIN BOARD
MUTE
Q5
MUTE
IC6
DAC
LPF
AMP
LOUT
IC4
IC5
SI
ROUT
CLK
LPF
AMP
LRCK
IC7
Q8
MUTE
Q9
RESET
CONTROL
Q10
LCD
ITAROLM005
IC4
IC5
IC6
SRAM
LD0-7
LERD
RWWR
RSCD
A0-14
EA0-14
CS\
A0-14
CS/
ECS
WE/
EWE
OE/
CA0-5
CA10-19
ADDRESS BUS
SRAM
XCS5
D0-7
ED0-7
CD0-7
DATA BUS
A0-19
WA0-19
WAIT
GPINT
WCS0
WCS1
GAINT
WAVE
WCS2
ROM
IOCK
CK
D0-7
WD0-7
P9-0
CS/
OE/
CS\
IC9
SD
SCK
CS\
A19
A0-18
DACC
GP4
ROM
IC13
RES\
IC1
CPU MODULE
CONTROL BOARD
SRAM
H8-510
D8-15
CPU
D0-7
P72
P50-4
A0-23
P60-7
D0-15
WAIT
IRQ0
IC8
IRQ2
Photo
12MHz
PHAI
24MHz
RXD1
TXD1
AN3
JK5
XTAL
RES\
IC2
D0-7
X1
20MHz
SWITCH
MATRIX
IC6
MUX
K
E
Y
MUXs
B
O
IC8-IC9
A
R
D
JK6
1 4
2
IN
M
I
3
5
D
1 4
I
2
OUT
3
5
SUSTAIN
2
3
1
JK7
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