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JULY.2004
CIRCUIT DIAGRAM(MAIN BOARD DIGITAL)
fig.c-Analog
+ 1
2
R172
R173
56k
56k
1
1
HP-CTRL
Q20
R174
2SC4116GR
56k
R171
56k
- 1
2
- 1
2
DA
DA
LRCK
LRCK
MCK
MCK
BCK
BCK
XRES
RA1
XRES
AD
EXBV8V103JV
AD
+
D 3. 3
DA_SUB
DA_SUB
4
5
3
6
SW-PHONES
2
7
JK-SENS2
1
8
FSW2
4
5
JK-SENS1
3
6
FSW1
2
7
JK-SENS0
1
8
FSW0
RA2
EXBV8V103JV
D
+
3. 3
C108 0.1
C112
C111 0.1
100/25 105c
C113 0.1
+
D
3. 3
C116 0.1
C117 0.1
D
D
R167
10k
DA
57
44
CA4
58
45
AD
CA3
46
CA2
60
47
BCK
CA1
62
48
CA0
LRCK
63
MCK
65
50
XRD
51
R105
47
67
53
DA_SUB
XWR
68
69
D
70
74
27
CD7
75
28
D
CD6
29
CD5
D
+
3. 3
30
CD4
78
34
CD3
C121
32
35
CD2
NIU
77
DSP
36
CD1
13
37
CD0
10
D
+
3. 3
R111 27k
CA/CD[1-13]
(MR3)
C128 3900p
15
41
16
40
INT0
17
39
18
76
19
20
21
55
1
+
D
3. 3
9
3
R113
C130
D
C125
C126
C127
8
18p
1M
47/16
0.1
0.1
R115
6
C132
1k
5
22p
+
D
3. 3
25
XRES
42
C134
72
1000p
IC2
TC220CCA0AF-B01(MR3)
D
XRES
24
+
D
3. 3
C9
0.1
D
D 3. 3
+
DA1
CH SELECT
1SS302
EFX
2
1
JK7
JK8
YKB21-5006
D
YKB21-5006
5
5
4
JK-SENS0
4
2
FSW0
2
3
3
R190
7
C199
7
100
8
0.1
8
1
1
Q19
2SC4116GR
D
D
JKSW[1-7]
TLT_CTL
PAD_CTL
C107
R97
+
D 3. 3
47/16
10
+
D
3. 3
R206
C110
10k
10/16
C109
0.1
R201
D
C115
10k
0.1
C114
0.1
RA3
EXBV8V102JV
52
33
P75/BUZ
P10/AN10
SW-PHONES
4
5
51
32
P74/PCL
P11/AN11
3
6
50
31
JK-SENS2
P73/TI51/TO51
P12/AN12
2
7
49
30
FSW2
P72/TI50/TO50
P13/AN13
1
8
48
29
P71/TI01
P14/AN14
47
28
P70/TI00/TO0
P15/AN15
JK-SENS1
4
5
46
27
P03/INTP3/ADTRG
P16/AN16
FSW1
3
6
45
26
P02/INTP2
P17/AN17
2
7
44
JK-SENS0
P01/INTP1
R168
1
8
43
FSW0
P00/INTP0
10k
RA4
23
P25/ASCK0
EXBV8V102JV
56
22
DEBUG
P67/ASTB
P24/TxD0
INT0
55
21
MIDI
P66/WAIT
P23/RxD0
XWR
54
20
SCK
P65/WR
P22/SCK30
53
19
XRD
SO
P64/RD
P21/SO30
8
18
SI
P57/A15
P20/SI30
7
39
Vpp
P56/A14
IC
6
P55/A13
CA4
CA4
5
CPU
P54/A12
4
CA3
CA3
P53/A11
3
CA2
CA2
P52/A10
CA1
CA1
2
P51/A9
C122
CA0
CA0
1
P50/A8
NIU
11
SW_BRIGHT/PAD
P30
CD7
CD7
64
12
LED_DATA
P47/AD7
P31
63
13
CD6
CD6
LED_CLK
P46/AD6
P32/SDA0
62
14
CD5
CD5
SW_SEL/SHAPE
P45/AD5
P33/SCL0
CD4
CD4
61
15
SCAN_C
P44/AD4
P34/SI31
D
CD3
CD3
60
16
SCAN_B
P43/AD3
P35/SO31
CD2
CD2
59
17
SCAN_A
P42/AD2
P36/SCK31
CD1
CD1
58
P41/AD1
57
41
CD0
CD0
P40/AD0
X1
XRES
36
RESET
40
X2
X1
CX-49G 5MHz
IC1
uPD78F0034BGK-9ET (Flash)
uPD780034AGK-B17-9ET (Mask)
X2
D
CX-49G 11.2896MHz
RESET
+
D
3. 3
D
1
5
DS
VDD
R122
2
100k
VSS
3
4
XRES
NC
OUT
D
IC3
S-80130ANMC
XRES
D
+
3. 3
D
+
3. 3
DA2
DA3
1SS302
DELAY/REVERB
1SS302
2
1
2
1
JK9
D
YKB21-5006
D
5
JK-SENS1
4
JK-SENS2
FSW1
2
FSW2
3
R191
R192
C200
7
C201
100
100
0.1
8
0.1
1
D
D
D
C118
C119
C120
CN6
NIU
NIU
NIU
B5B-PH-K
5
AVREF
AVREF
5
4
4
VR-MPX
VR-MPX
3
3
W5 (5P)
VR-VOL
VR-VOL
2
2
1
VR-RSW
1
VR-RSW
D
+
D
3. 3
D
D
R177 10k
CN8
R77
R112 10k
SW_BRIGHT/PAD
1k
1
1
LED_DATA
2
2
LED_CLK
3
3
4
SW_SEL/SHAPE
R78
1k
4
5
SCAN_C
5
W4 (9P)
6
SCAN_B
6
SCAN_A
7
7
8
8
R110
9
9
10k
B9B-PH-K
D
+
D
3. 3
C123
0.1
D
C129
22p
D
+
3. 3
C131
22p
R114
1k
1
1
2
MIDI
2
3
3
D
CN11
NIU
N.I.U
+
D
3. 3
1
1
SO
2
2
SI
3
3
SCK
4
4
5
XRES
5
6
6
Vpp
7
7
D
CN12
NIU
Note: "NIU" = Not In Use
VR1B
VR2B
VR3B
VR4B
VR5B
BASS
MIDDLE
VR[1-8]
VR6
VR4
VR1A
VR2A
R81
R82
100
100
2
2
C97
C98
NIU
NIU
D
VOLUME
VR[1-8]
VR7A
R87
C169
100
0.1
2
D
C103
NIU
D
WP13
R93
100
1
1
2
2
3
3
IC7
C190
TC74HC4051AP
NIU
D
3
4
VR7
COM
7
2
VR6
6
C106
5
VR5
5
0.1
1
VR4
4
16
12
VR3
VCC
3
15
VR2
2
14
VR1
1
13
VR0
0
8
GND
C170
9
SCAN_C
C
10
SCAN_B
100/16
B
11
SCAN_A
A
7
6
VEE
INH
D
D
D
CN7
5
5
4
4
3
VR_MPX
R184
3
2
VR_VOL
10k
2
1
VR_RSW
1
+
D
3. 3
D
D
CN9
1
SW_BRIGHT/PAD
1
2
LED_DATA
2
3
LED_CLK
3
4
SW_SEL/SHAPE
4
5
SCAN_C
5
6
SCAN_B
6
7
SCAN_A
7
8
8
9
9
BRIGHT
D
+
3. 3
C124
C171
0.1
100/16
C191 NIU
D
C192 NIU
POWER
D
LED1
Not In Use
L-34HDSL
LED4
D
+
3. 3
C133
0.1
R116
R117
D
R118
R119
15
Q11
14
Q10
2
13
DATA
Q9
12
Q8
3
11
CLOCK
Q7
10
Q6
9
Q5
8
Q4
7
Q3
6
Q2
R120 470
5
R121 470
Q1
4
R126 470
Q0
R125 470

PANEL BOARD

R123 220
IC8
BU2090
D
CUBE-60D
RSW1B
SR1712-0108-15F0A-N9-N
VR6B
VR7B
VR8B
VR9B
D
D
TREBLE
PRESENCE
EFX
DELAY/REVERB
VR7
VR5
VR2
VR1
VR3A
VR4A
VR5A
VR6A
R83
R84
R85
R86
100
100
100
100
2
2
2
2
C99
C100
C101
C102
NIU
NIU
NIU
NIU
D
D
D
D
D
GAIN
VOLUME
VR3
VR0
VR8A
VR9A
R88
R89
100
100
2
2
C104
C105
R90
NIU
NIU
1k
D
D
R91
1k
WP14
2
1
3
R92
1
2
1
4
1k
2
3
10
5
3
6
7
R94
W6(3P)
8
1k
9
R95
1k
AMP
TYPE
R96
1k
R98
1k
R99
1k
PSW1A
PSW2A
PSW1B
PSW2B
ESB64600
ESB64600
SELECT
D
D
CLEAN
LEAD
EFX
DELAY/REVERB
D
+
3. 3
LED5
LED6
LED2
LED3
L-34GDSL
L-34HDSL
L-34HDSL
L-34HDSL
C135
100/16
D
25

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