Table of Contents
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Jun. 2001
CIRCUIT DIAGRAM(MAIN 1/2)
+ 5
D
Q1
RT1P141C
MIDI I/F
R1
1
L1
BLM21B601SPT
NIU
JK1
L2
BLM21B601SPT
YKF51-5048
L3
BLM21B601SPT
R2
220
25
22
D
+ 5
D
+ 5
R3
220
C1
24
0.1
Q3
R4
L4
BLM21B601SPT
RT1N140C
10k
D
L5
BLM21B601SPT
R5
1
4
2
120
15
12
R6
IC1
100
TC7S04F
C4 0.1
14
D
C9 0.1
C17 0.1
D
R8
C13
100
+ 5
+ 5
D
D
0.1
C14
100p
R9
1
4.7k
D
D
MIDIIN
IC3
D
5
3
HD6437016
D1
IC2
D
+ 5
DCB010-TB
PC410
73
MD3
D
75
MD2
78
D
+ 5
MD1
79
MD0
R11
D
R107
470K
CPUOUT
47
TXD1/PA4
MD1
CPUIN
48
RXD1/PA3
MIDIOUT
50
TXD0/PA1
NIU
MIDIIN
51
RXD0/PA0
2
PE15/DACK1
112
PE13
111
PE12
110
PE11
108
PE10
107
PE9
BEATG
106
PE8
XUSRVPP
105
PE7/TIOC2B
XPRGVPP
104
PE6/TIOC2A
XMUTE
XMUTE
102
PE5/TIOC1B
XPDSEL_Y
89
PE4/TIOC1A
PDSEL_Y
88
*/PE3/DRAK1
XPDSEL_X
87
*/PE2/DREQ1
PDSEL_X
86
*/PE1/DRAK0
99
AN7/PF7
98
AN6/PF6
R22
D
96
AN5/PF5
470
95
AN4/PF4
R24
94
AN3/PF3
470
93
AN2/PF2
92
AN1/PF1
91
AN0/PF0
+ 5
D
DA1
C29
C28
MA142WK-(TX)
0.01
0.01
100
AVCC
2
1
97
AVSS
D
C30
C31
10/16
0.1
D
+ 5
80
PLLVCC
R38
C34
220
0.1
82
PLLVSS
D
81
PLLCAP
C35
R40
470p
3.3k
74
EXTAL
CX-49G@
7.056MHz
R42
X1
270
1
2
72
XTAL
C43
C44
22p
22p
D
D
84
XRST
RES
R44
C45
0
100p
SW1A
D
XRST
11
13
12
SPPH24 NIU
SW1B
21
23
22
SPPH24 NIU
+ 5
D
+ 5
D
R46
R47
CN1
R108
NIU
NIU
8
NIU
8
+ 5
CPUOUT
D
7
7
6
CPUIN
6
R109 NIU
5
5
4
MD1
R48
4
FWP
NIU
3
3
2
IC9A
IC9B
2
XCPURST
1
1
7
3
5
1
TC7W04F
TC7W04F
NIU
D
C48
NIU
NIU
IL-S-8P-S2L2-EF
NIU
D
24
D[0..15]
A[0..21]
Q2
RT1N140C
XRST
1
D
+ 5
D
C2
D
+ 5
+ 5
100/6.3
D
D
D15
2
1
R7
D14
3
D
+ 5
470K
D13
4
R106 NIU
D12
RA1
5
FWP
D11
6
10k
D10
7
C18
0.1
D9
8
D8
9
10
C10
0.1
D7
9
10
D6
8
D
D5
7
D4
RA2
6
XPWAIT
D3
5
10k
D2
A21
4
4
D1
3
A19
5
D0
A18
2
1
6
32
ADRS21
A21
A17
7
*/IRQ7/A21
A16
31
8
*/WAIT/IRQ6/A20
30
1
8
A19
A15
10
PB7/A19
A18
RA3
A14
29
2
7
11
PB6/A18
3
6
10
A13
12
22
4
5
A17
A12
13
PB1/A17
A16
A11
20
17
PB0/A16
19
1
8
A15
A10
18
PC15/A15
A14
RA4
A9
18
2
7
19
PC14/A14
17
3
6
A13
10
A8
20
PC13/A13
A12
A7
16
4
5
22
PC12/A12
15
1
8
A11
A6
23
PC11/A11
A10
RA5
A5
14
2
7
24
PC10/A10
13
3
6
A9
10
A4
25
PC9/A9
A8
A3
12
4
5
26
PC8/A8
11
1
8
A7
A2
27
PC7/A7
A6
RA6
A1
10
2
7
28
PC6/A6
9
3
6
A5
10
32
PC5/A5
+ 5
A4
D
8
4
5
PC4/A4
7
1
8
A3
XPRG
2
PC3/A3
A2
RA7
6
2
7
14
PC2/A2
5
3
6
A1
10
XWR
55
PC1/A1
A0
XRD
4
4
5
54
PC0/A0
31
53
52
4
5
D15
56
PD15/D15
D14
RA8
XRST
53
3
6
16
PD14/D14
D13
10
54
2
7
1
PD13/D13
56
1
8
D12
R15
PD12/D12
D11
100
57
4
5
PD11/D11
58
3
6
D10
RA9
D
PD10/D10
D9
10
59
2
7
D
PD9/D9
60
1
8
D8
C27
PD8/D8
D7
NIU
62
4
5
PD7/D7
63
3
6
D6
RA10
A10
28
PD6/D6
D5
10
A9
64
2
7
27
PD5/D5
66
1
8
D4
A8
26
PD4/D4
D3
A7
67
4
5
25
PD3/D3
68
3
6
D2
RA11
A6
24
PD2/D2
D1
10
A5
69
2
7
23
PD1/D1
70
1
8
D0
A4
20
PD0/D0
A3
19
A2
18
A1
36
17
PA13/WRH
38
XWR
PA12/WRL
XRD
XRD
34
PA14/RD
28
XRAS
14
PB5/IRQ3/RDWR
RA13
XCASH
35
30
WDTOVF
10
XCASL
31
XWE
XWE
24
1
8
13
PB2/IRQ0/RAS
26
2
7
XCASH
29
PB4/IRQ2/CASH
XCASL
25
3
6
PB3/IRQ1/CASL
XRAS
4
5
11
ADRS21
12
XGACS0
44
1
8
D
15
*/PA7/CS3
45
2
7
XGACS1
16
*/PA6/CS2
XPRG
40
3
6
32
PA11/CS1
D
+ 5
41
4
5
A21
PA10/CS0
XRAS
2
1
RA14 10
D
+ 5
XCASL
3
XCASH
42
4
*/PA9/IRQ3
43
XPRG
5
RA15
*/PA8/IRQ2
XXPINT
XXPINT
XGACS1
10k
46
6
*/SCK1/IRQ1
49
XGAINT
XGACS0
7
*/SCK0/IRQ0
XXPINT
76
8
NMI
XGAINT
9
10
D
+ 5
D
IC5
A18
85
17
*/PE0/DREQ0
A17
A17
48
A16
A16
1
1
*/AH/DACK0
A15
A15
2
A14
A14
3
A13
83
GACLK
A13
4
CK/PA15
A12
A12
5
A11
R45
A11
6
A10
47
C150
A10
7
A9
150p
A9
8
A8
A8
18
A7
A7
D
19
A6
A6
20
A5
A5
21
A4
A4
22
A3
A3
D
23
A2
TER1
A2
24
A1
M1698
A1
25
A0
+ 5
+ 5
D
D
XUSR
26
CE
XWR
1
4
11
WE
IC9D
2
3
XRD
28
OE
C47
47
BYTE
NIU
14
WP
TC7W04F
XRST
D
12
RP
NIU
15
RY/BY
R13
100
D
LH28F400BVE-BL85@
D
C25
IC9C
NIU
6
2
D
TC7W04F
NIU
C5
0.1
C7
0.1
C11
0.1
C15
0.1
C19
0.1
IC6
IC4
TC160G22AF-1253
D15
52
A20
DQ15
+ 5
D
50
D14
A19
DQ14
D13
47
A18
DQ13
45
D12
A21
21
A17
DQ12
D11
41
22
A16
DQ11
39
D10
23
A15
DQ10
D9
36
A14
DQ9
34
D8
A6
25
A13
DQ8
51
D7
A5
26
A12
DQ7
D6
A4
49
27
A11
DQ6
46
D5
A3
28
A10
DQ5
D4
A2
44
30
A9
DQ4
40
D3
A1
31
A8
DQ3
D2
A0
38
32
A7
DQ2
35
D1
A6
DQ1
D0
D7
33
14
A5
DQ0
D
+ 5
D6
13
A4
Q4
R30
D5
3
12
A3
NC
29
DTB113ZK
100
D4
11
A2
NC
XPRGVPP
D3
30
1
9
A1
NC
D2
8
A0
PGVPCRL
D1
15
7
VPP
PGVPCRL
D0
6
CE1
+ 5
D
CE0
9
XRD
46
WE
VCC
R36
C32
C33
XWR
37
47
OE
VCC
43
10k
1
0.1
BYTE
VCC
D
+ 5
43
STS
21
45
WP
VSS
42
RP
VSS
48
D
49
NC
VSS
LH28F160S5T-L70@
D
19
XGACS1
17
C26
C24
C23
XGACS0
16
0.1
0.1
0.1
+ 5
D
XGAINT
IC7
48
41
D15
Q5
R41
A9
I/O15
D14
DTB113ZK
100
40
68
A8
I/O14
39
D13
1
XUSRVPP
67
A7
I/O13
D12
38
66
A6
I/O12
36
D11
65
A5
I/O11
D10
USVPCRL
35
63
A4
I/O10
34
D9
62
A3
I/O9
D8
33
61
A2
I/O8
10
D7
R43
C41
C42
59
A1
I/O7
D6
10k
1
0.1
9
58
A0
I/O6
8
D5
57
I/O5
D4
R37
22
7
56
I/O4
5
D3
R39
22
54
RAS
I/O3
D2
D
XUSR
4
53
UCAS
I/O2
3
D1
52
LCAS
I/O1
D0
XXPCS
XXPCS
2
51
WE
I/O0
OE
D
+ 5
80
1
79
NC
VCC
6
D
78
NC
VCC
21
77
NC
VCC
76
NC
NC
GACLK
141
22
40
VSS
37
XRST
42
VSS
42
VSS
C40
144
C36
C38
NIU
GM71C18163CJ-6
D
109
1
1
C39
108
C37
100/6.3
D
73
1
72
38
37
D15
XXPCS
45
A-1/DQ15
43
D14
DQ14
D
+ 5
D13
C46
41
DQ13
39
D12
0.1
DQ12
D11
36
DQ11
34
D10
D
DQ10
32
D9
XWR
1
DQ9
D8
XXPWR
30
4
DQ8
44
D7
XXPCS
2
DQ7
D6
IC8
42
DQ6
40
D5
TC7S32F
DQ5
D4
38
DQ4
35
D3
DQ3
D2
33
D
DQ2
31
D1
DQ1
D0
29
DQ0
9
NC
10
USVPCRL
NC
16
NC
+ 5
D
13
VPP
37
VCC
27
GND
46
GND
D
C22
C21
0.1
0.1
D[0..15]
A[0..21]
+ 5
D
C3
100/6.3
C6
0.1
C8
0.1
C12
0.1
C16
0.1
C20
0.1
D
D
A21
D
+ 5
MIDIIN
4
A19
MIDIIN
93
A18
DC TEST
125
TEST
A6
D
+ 5
124
D
A5
EXWAIT2
123
A4
EXWAIT1
122
A3
EXWAIT0
C49
A2
D
+ 5
89
100/6.3
A1
P7
88
A0
P6
87
P5
R49
R50
86
D
D7
P4
85
10k
10k
D6
P3
84
D5
P2
83
D4
P1
82
D3
P0
D2
C51
C52
R51
1k
5
D1
PWM2
69
R52
1k
D0
PWM1
LS3
92
0.01
0.01
LS2
XRD
ENCB
LS1
91
XWR
ENCA
D
LS0
SS2
98
XLCDREQ
SS3
97
SS2
SS1
XDACK
SS2
SS1
SS0
96
SS1
SS0
SSEN
95
WAITOUT
SS0
PD0
LS3
PD1
103
CS2
LS3
102
LS2
PD2
CS1
LS2
LS1
PD3
101
CS0
LS1
100
LS0
PD4
LS0
PD5
XIREQ
99
PD6
SSEN
PD7
105
ECS14
LLCK
LLCK
ECS13
PD7
BEATG
120
ECS12
PD7
119
PD6
ECS11
PD6
PD5
118
ECS10
PD5
117
PD4
ECS9
PD4
PD3
115
ECS8
PD3
114
PD2
ECS7
PD2
PD1
113
ECS6
PD1
112
PD0
ECS5
PD0
ECS4
126
L8
N1608Z@
ECS3
RS
L9
N1608Z@
C53
127
ECS2
RXW
128
L10
N1608Z@
100p
ECS1
LE
D
+ 5
ECS0
138
L11
N1608Z@
RA12
LP7
L12
N1608Z@
10k
C64
137
EXINT4
LP6
L13
N1608Z@
100p
135
EXINT3
LP5
134
L14
N1608Z@
EXINT2
LP4
R102
133
EXINT1
LP3
D
+ 5
132
L15
N1608Z@
NIU
EXINT0
LP2
L16
N1608Z@
131
LP1
130
D
R101
CLKIN
LP0
L17
N1608Z@
0
CLKOUT
1
L18
N1608Z@
XRESET
NC
L19
N1608Z@
35
NC
36
L20
N1608Z@
NC
NC
L21
N1608Z@
NC
L22
N1608Z@
NC
L23
N1608Z@
3
NC
VSS
15
L24
N1608Z@
NC
VSS
20
NC
VSS
29
NC
VSS
D
D
+ 5
D
+ 5
D
DA3
DA4
MA142WK-(TX)
MA142WK-(TX)
R53
Q6
-
2
1
2
1
2
1
100
RT1P141C
1
3
+
IC10A
BA10324AF
R56
100k
1
Q7
RT1N141C
D
D
1
2
1
2
+ 5
D
DA5
DA6
6
R59
1
Q8
MA142WA-(TX)
MA142WA-(TX)
-
100
RT1P141C
7
5
+
IC10B
BA10324AF
R60
100k
1
Q9
RT1N141C
D
D
D2
TO PANEL BOARD
( CN1 )
C50
0.1
26FMN-SMT-TF
CN2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
C54
C55
C56
C57
C58
D
100p
100p
100p
100p
100p
C59
C60
C61
C62
C63
C149
100p
100p
100p
100p
100p
100p
C65
C66
C67
C68
C69
100p
100p
100p
100p
100p
IC10C
9
-
8
10
+
BA10324AF
D
IC10D
13
-
14
12
+
BA10324AF
D
+
A
9
IC10E
-
C70
0.1
+
BA10324AF
D
R54
CN3
0
1
1
R55
2
2
0
3
3
4
4
R57
5
5
0
6
6
R58
7
7
0
8
8
SLP8R-5
TO XY-PAD
D
25
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