A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
11
11
EP-77
Dec, 1999
CIRCUIT DIAGRAM (MAIN PCB ASSY)
BATTERY Backup
Flash Control
DIF0
DIF1
DIF2
R42
->
0
To CONTROL B.
(CN101)
To BEAT & TEMPO B.
(CN103)
TO KEYBOARD
(LEFT)
TO KEYBOARD
(RIGHT)
To JACK BOARD (CN1)
To JACK BOARD
(CN2)
TO KEYBOARD
(LEFT)
TO KEYBOARD
(RIGHT)
FOR PA-4 KEYBOARD
FOR PA-4 KEYBOARD
MK6
MK5
BR5
MK4
BR4
MK3
MK2
MK8
MK9
MK10
MK2
MK3
MK4
MK5
MK6
MK7
MK8
MK9
MK10
MK1
BR2
BR1
MK1
T7
T6
T5
T4
T3
T2
T1
T0
T0
T1
T2
T3
T4
T5
T6
T7
BR0
MK0
MK0
BR10
BR9
BR8
BR7
BR6
BR5
BR4
BR2
BR1
BR0
BR3
BR7
BR8
BR9
BR10
XRES
XHWR
XHWR
BR6
BR3
XRES
XCS7
FLASH CT1
XHWR
FLASH CT0
XRAM
XRAM
XRAM
RTS
PA7
PA6
PA5
PA4
PA4
PA5
PA6
AD-BEAT
PA3
DATA0
PB5
PB5
PB6
PB6
PB7
PB7
SCAN C
SCAN A
SW-MAC
XKEY
KEYINT
XKEY
KEYINT
XROM
XROM
XRES
XRES
XCS7
FLASH CT1
MODE0
SW-PC1
SW-PC2
1M CLOCK
XMUTE
LRCK
LRCK
BCK
BCK
256/384FS
256/384FS
XPD
XPD
XRES
XMUTE
D9
D3
D4
D1
WA11
WD8
WD5
WD4
WD1
WA6
D13
D8
WD15
WA13
WA12
WD14
WD7
WD12
D13
D13
D4
D1
WD4
D15
XWCS1
XXPINT
XLWR
WD6
WA22
WA19
D5
WA12
D12
D4
D14
D14
WD3
WA7
D10
D6
EA[0..8]
XRD
WA14
WD11
D7
D5
WD9
WA21
D6
WD8
WD14
WD5
WA7
WA4
WA1
WD7
WD0
WA11
D6
D0
WA8
D14
D8
D15
WD12
WD3
WD3
D7
D7
EA2
WA16
D9
WD11
WD13
WD2
D12
XRD
D[0..15]
XXPINT
WA2
D8
WD4
WD2
WA6
D15
XWCS0
WD15
WA13
WA9
WA19
WA22
WA[0..21]
D13
WA17
D2
D8
WD2
D11
WD10
WD9
WA6
WD1
WD12
EA1
EA0
EA8
WA12
WA10
WA21
D7
XRD
WA7
WA18
D3
EA8
WA3
D14
D0
XRD
WD11
WA1
WA14
WA20
WD13
WA8
EA0
WD14
WD6
WD2
EA1
WA20
WD0
EA2
WA15
WA11
WD6
WA22
D15
WA4
WA5
WA5
WD15
WA13
D10
EA3
WD13
WD5
WD3
WA20
XRD
WD10
WD8
WA2
D0
WD15
WA14
WA1
WD10
D1
WD4
WA21
WA9
WA15
XRD
EA3
WA16
WD[0..15]
WA8
WA16
WA10
WD10
WD9
WD1
D12
D9
EA4
WA15
D8
WD9
WD7
EA7
WA3
WA4
WD0
WD12
WA2
D9
WD8
D10
D3
D12
WD6
EA4
WA17
WA18
D4
D3
D9
WD13
EA5
WA17
D2
D10
WD11
WA9
WA3
XXP
D11
D5
D2
D2
WD7
D11
D11
EA6
WD0
D13
D6
WD14
WD1
D0
WD5
EA5
WA19
D5
D10
WA18
WA10
D11
D12
D15
D14
EA7
EA6
WA5
D1
A13
A13
A9
A9
A4
A4
A[0..18]
A8
A5
A2
A12
A12
A7
A15
A1
A10
A3
A0
A11
A6
A6
A18
A5
A11
A6
A10
A10
A16
A12
A13
A11
A3
A8
A5
A7
A5
A12
A1
A15
A15
A3
A14
A2
A2
A13
A0
A10
A3
A14
A2
A2
A17
A13
A7
A7
A1
A17
A4
A16
A11
A6
A6
A7
A14
A9
A4
A10
A12
A15
A1
A3
A8
A9
A11
A1
A14
A18
A0
A1
A8
A8
A9
A4
ED1
ED2
ED6
ED4
ED5
ED7
ED3
ED5
ED1
ED0
ED3
ED6
ED4
ED2
ED7
ED0
ED[0..7]
RIGHT SIGNAL
RES
XPD-OUT
FLASH CT0
TEMPO
MODE0
MODE1
MODE1
XHWR
SD
SD
XXP
PHAI
PHAI
XRESRES
LEFT SIGNAL
SCAN B
DATA1
BEAT
PB4
PB4
A5
RES
FS-SELECT
DIF1
DIF0
1M CLOCK
CTS
AD-TEMPO
LED EN
PA0
PA1
PA2
XLWR
XLWR
E_RAS
E_CAS
E_WR
E_RAS
E_CAS
E_WR
P
P
OpAmp_-N
RXD1
TXD1
MIDI OUT
MIDI IN
AD-VREF
DATA3
MK10
MK9
MK8
MK7
MK8
MK9
MK10
DAMPER
SOFT
SOFT-OUT
AVCC
VREF
D+5
VREF
DAMPER-OUT
SOST-OUT
MK7
MK7
DATA2
A-
MK0T0
BR0T1
MK1T2
BR1T3
MK2T4
BR2T5
MK3T6
BR3T7
MK4T0
BR4T1
MK5T2
BR5T3
MK6T4
BR6T5
MK7T6
BR7T7
MK8MK9
BR8BR9
A+
OpAmp_-N
AG
AVSS
FLASH CT0
AVSS
DG
AVSS
+
D3.3
D
D
D
D
+5
D
D
+5
D
D
D
D
+5
D
D
D
D
+5
D
+5
D
+5
D
D
D
D
+5
D
+5
D
D
D
+5
D
D
D
D
D
D
D
+5
D
D
+5
D
+5
D
D
A
A
+5
A
+5
D
A
+
D
D
D
D
+5
D
D
+5
D
D
+5
D
+
D3.3
D
D
D
D
D
+5
D
+
-
A
+5
D
D
+5
D
D
+5
A
D
D
+5
D
D
+5
D
D
+5
D
D
D
D
D
D
D
D
D
D
D
D
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+
+
D
D
+5
D
+5
D
+5
D
+5
D
+5
D
+
+5
A
+
A
D
D
D
D
D
D
D
D
D
D
D
D
D
D
C320.1
C390.1
C350.1
C400.1
C24
0.1
C25
0.1
C26
0.1
C30
0.1
C31
0.1
C33
0.1
C34
0.1
C38
0.1
RA19
NIU
1
2
3
4
5
6
7
8
9
RA18
6.8k
1
2
3
4
5
6
7
8
9
IC16
SSC1080
7
33
20
46
24
23
22
21
19
18
17
16
15
14
13
12
11
10
9
8
6
5
4
3
2
1
31
30
29
28
27
26
25
32
49
48
47
44
43
42
41
40
39
38
37
34
36
35
45
50
51
52
VDD
VDD
VSS
VSS
SC10
PR10
SC9
PR9
SC8
PR8
SC7
PR7
SC6
PR6
SC5
PR5
SC4
PR4
SC3
PR3
SC2
PR2
SC1
PR1
SC0
PR0
T7
T6
T5
T4
T3
T2
T1
T0
CLK
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
INT
RD
WR
CS
RESET
TEST1
TEST2
IC11
NIU
44
43
2
3
34
35
36
37
38
39
40
41
42
4
5
6
7
8
9
10
11
31
33
12
14
29
27
25
22
20
18
16
30
28
26
24
21
19
17
15
1
23
13
32
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
*/D15
BYTE
CE
OE
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
A21
VCC
VSS
VSS
IC12
LHMN5KRW
44
43
2
3
34
35
36
37
38
39
40
41
42
4
5
6
7
8
9
10
11
31
33
12
14
29
27
25
22
20
18
16
30
28
26
24
21
19
17
15
1
23
13
32
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
*/D15
BYTE
CE
OE
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
A21
VCC
VSS
VSS
RA310k
1
8
2
7
3
6
4
5
RA510k
1
8
2
7
3
6
4
5
RA610k
1
8
2
7
3
6
4
5
RA810k
1
8
2
7
3
6
4
5
IC5
HM62256LFP-7T
1
26
2
23
21
24
25
3
4
5
6
7
8
9
10
20
27
22
19
18
17
16
15
13
12
11
28
14
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
CE
R/W
OE
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
VDD
GND
IC7
HM62256LFP-7T
1
26
2
23
21
24
25
3
4
5
6
7
8
9
10
20
27
22
19
18
17
16
15
13
12
11
28
14
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
CE
R/W
OE
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
VDD
GND
IC13A
TC7WU04F
1
7
IC13B
TC7WU04F
3
5
C77
0.1
R25
1M
X2
24.576MHz
1
4
R44
0
CN7
IL-FPC-14ST-N
NIU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IC2B
TC7W00F
NIU
5
6
3
R11
10k
R7
1.5k
X1
16.000MHz
1
4
C70
0.1
C69
0.1
C68
NIU
R21 0
RA7
220
1
8
2
7
3
6
4
5
RA9
220
1
8
2
7
3
6
4
5
R45
47k
IC19
TC7S08F
1
2
4
5
3
R49
0
C105
0.1
R23
0
R29
100
R31
100
R34
100
C64
NIU
R24
0
+
-
IC17C
UPC4570G
8
4
C81
10/16
C82
33/16
IC15
AN78L05M
NIU
3
1
2
INOUT
COM
IC20A
TC7W14F
1
7
C130
0.01
R64
100
C29
0.1
IC2C
TC7W00F
NIU
8
4
IC10
PA28F400B5B60
3
34
35
36
37
38
39
40
41
42
4
5
6
7
8
9
10
11
31
12
43
14
2
33
44
29
27
25
22
20
18
16
30
28
26
24
21
19
17
15
1
23
13
32
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
*/DQ15
CE
WE
OE
WP
BYTE
RP
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
VPP
VCC
VSS
VSS
R32
100
R30
10
R27
NIU
IC8
PQ3DZ53
1
2
3
4
5
IN
OFF
OUT
NC
GND
C16
10/16
C15
0.1
IC9
TC203C180AF
(XP6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44 45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88 89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
11
7
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132 133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
VDD5
SDIB
BCKB
WCKB
SDOC
VSS
SDOD
BCKC
WCKC
OUTP1
VDD5
VDD3
OUTP2
OUTP0
VSS
SYO
VSS
SYI
RW
DS
CA10
CA9
CA11
CA8
CA12
CA7
CA13
CA6
CA5
CA4
CA3
CA2
VDD5
CA1
CA0
CD15
CD0
CD7
VSS
CD8
CD14
CD1
CD6
VDD5 VDD5
CD9
CD13
CD2
CD5
CD10
VSS
CD12
CD3
CD4
CD11
VDD3
WAIT
CS
RESET
AS
VSS
INT
VSS
CK
TEST
VDD5
WA23
WA22
WA20
WA21
WA19
VSS
WA18
WA9
WA8
WA10
VDD5
WA7
WA11
WA6
WA12
WA5
VSS
WA13
WA4
WA14
WA3
VDD5 VDD5
WA15
WA2
WA16
WA0
WA1
WA17
VSS
WOE1
WOE0
WD15
VDD3
WD0
WD7
WD8
WD14
VSS
WD1
WD6
WD9
WD13
WD2
WD5
WD10
WD12
WD3
WD4
WD11
VSS
WCS0
WCS1
WCS2
VDD5
WCS3
WCS4
WCS5
WCS6
WCS7
VSS
WREQ
WACK
ED7
VSS
VDD5 VDD5
VSS
ED6
ED5
ED4
ED3
ED2
VSS
ED1
ED0
EWE
VDD3
RAS
CAS
EA8
EA0
VSS
EA7
EA1
EA6
EA2
EA5
EA3
EA4
VSS
SDOA5
SDOA4
SDOA3
SDOA2
SDOA1
SDOA0
VSS
VDD5
SDIA5
SDIA4
SDIA3
SDIA2
SDIA1
VSS
SDIA0
BCKA
WCKA
SDOB
VDD5
R26
0
C37
0.1
R20 0
C65
0.01
R39
68k
IC20B
TC7W14F
3
5
IC20D
TC7W14F
8
4
C140
0.1
IC13C
TC7WU04F
6
2
R52
0
R18
NIU
R22
NIU
R13
NIU
C45
10/16
RA10
220
1
8
2
7
3
6
4
5
RA12
NIU
1
8
2
7
3
6
4
5
C43
0.1
R17
10k
C71
0.1
R3
0
R14
NIU
C23
0.1
R63 100
IC14
MB814260-60PJ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
VCC
DQ0
DQ1
DQ2
DQ3
VCC
DQ4
DQ5
DQ6
DQ7
NC
NC
WE
RAS
NC
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
OE
UCAS
LCAS
NC
DQ8
DQ9
DQ10
DQ11
VSS
DQ12
DQ13
DQ14
DQ15
VSS
C78
10/16
IC2A
TC7W00F
NIU
1
2
7
R65
68
R69
NIU
C66
12p
C67
15p
C111
100p
C56
33p
C57
33p
C58
33p
C59
33p
C131
100p
C155
22p
C163
22p
C156
22p
C164
22p
C165
22p
C157
22p
C166
22p
C158
22p
C167
NIU
C159
NIU
C168
NIU
C160
NIU
C169
NIU
C161
NIU
C170
NIU
C162
NIU
C148
22p
C141
22p
C142
22p
C143
22p
C144
22p
C145
22p
C146
22p
C147
22p
C154
22p
C153
22p
C152
22p
C151
22p
C150
22p
C149
22p
C44
12p
C46
15p
RA2
220
1
8
2
7
3
6
4
5
R2
NIU
RA17
6.8k
1
2
3
4
5
6
7
8
9
RA16
6.8k
1
2
3
4
5
6
7
8
9
R190
R71 0
R70 0
R75
10k
R72
10k
IC6
HD6413006
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
VCC
CS7/TMO0/PB0/*
CS6/DREQ0/PB1/*
CS5/TMO2/PB2/*
CS4/DREQ1/PB3/*
UCAS/TP12/PB4
SCK2/LCAS/PB5/*
TXD2/TP14/PB6
RXD2/TP15/PB7
RESO
VSS
TXD0/P90
TXD1/P91
RXD0/P92
RXD1/P93
IRQ4/SCK0/P94
IRQ5/SCK1/P95
D0/P40
D1/P41
D2/P42
D3/P43
VSS
D4/P44
D5/P45
D6/P46
D7/P47
D8
D9
D10
D11
D12
D13
D14
D15
VCC
A0
A1
A2
A3
A4
A5
A6
A7
VSS
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
VSS
P60/WAIT
P61/BREQ
P62/BACK
P67/FAI
STBY
RES
NMI
VSS
EXTAL
XTAL
VCC
AS
RD
HWR
LWR
MD0
MD1
MD2
AVCC
VREF
P70/AN0
P71/AN1
P72/AN2
P73/AN3
P74/AN4
P75/AN5
P76/AN6/DA0
P77/AN7/DA1
AVSS
P80/IRQ0/RFSH
P81/IRQ1/CS3
P82/IRQ2/CS2
P83/IRQ3/CS1/AD
P84/CS0
VSS
PA0/TEND0/TCLK*
PA1/TEND1/TCLK*
PA2/TCLKC/TIOC*
PA3/TCLKD/TIOC*
PA4/A23/TIOCA1*
PA5/A22/TIOCB1*
PA6/A21/TIOCA2*
PA7/A20/TIOCB2*
C14
0.1
R74
10k
C13
10/16
R73
10k
R59
0
Q1
RN2421
1
3
2
R55
NIU
R28
NIU
R53
NIU
R54
NIU
C6
0.1
C7
0.1
C8
0.1
C79
0.1
C80
0.1
C76
0.1
C74
33/16
R42
68k
C113
0.1
R47
0
C75
0.1
C118
0.1
C129
0.1
C116
0.1
C55
0.1
C72
0.1
C73
0.1
IC20C
TC7W14F
6
2
R37
6.8k
R40
10k
C100
560p
C92
10/16
+
-
IC17A
UPC4570G
2
3
1
R35
6.8k
R3310k
C83560p
R36
6.8k
R38
6.8k
R67NIU
C91
100p
R56 6.8k
R62
10k
C119
560p
C115
CV@B
10/16
+
-
IC17B
UPC4570G
6
5
7
R50 6.8k
R48 10k
C112560p
R51 6.8k
R57 6.8k
R68
NIU
C114
100p
R46
68k
R41
68k
C107
10/16
C104
10/16
R81
NIU
R79
270
R76
100k
R83
100
R84 100
R85
100
CN9
IL-FPC-16ST-N
NIU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
R86
0
R77
100k
R78
100k
C101
10/16
RA1310k
1
2
3
4
5
6
7
8
9
RA11220
1
8
2
7
3
6
4
5
IC18
AK4324
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
DVSSDVDD
CKS
MCLK
PD
BICK
SDATA
LRCK
SMUTE
DFS
DEM0
DEM1
DIF0
DIF1
DIF2
AOUTR-
AOUTR+
AOUTL-
AOUTL+
AVSS
VREF
AVDD
DZFR
DZFL
C110
10/16
C10
0.1
R1
0
C28
0.1
C60
33p
C42
0.1
C36
0.1
D1
RB420D
NIU
1
3
C63
33p
C48
10/16
C22
0.1
C21
0.1
C50
0.1
C117
100/6.3
C41
0.1
C9
0.1
C54
10/16
C61
33p
C49
0.1
C47
0.1
IC13D
TC7WU04F
8
4
C27
0.1
C62
33p
R61
0
C52
0.01
C2
NIU
C51
100p
R6
NIU
R5
NIU
R88
10k
R89
10k
R90
10k
R92
10k
R91
10k
CN5
AMPC1.2716P
3
4
5
6
7
8
2
1
9
16
15
14
13
12
11
10
CN6
AMPC1.2720P
3
4
5
6
7
8
2
1
9
20
19
18
17
16
15
14
13
12
11
10
CN4
53014-0410
3
4
2
1
CN3
53014-1010
3
4
5
6
7
8
2
1
9
10
CN2
53014-0710
3
4
2
1
5
6
7
CN1
53014-0910
NIU
3
4
5
6
7
8
2
1
9
IC21
PQ05DZ1U
1
2
3
4
5
IN
OFF
OUT
NC
GND
C103
33/16
C102
0.1
R87
NIU
C109
33/16
R66
NIU
C108
NIU
C53
NIU
R15
10k
C3
NIU
R9
10k
R10
10k
C106
0.01
R60
0
R8
10k
R58
NIU
C20
0.1
CN8
53014-1110
3
4
5
6
7
8
2
1
9
10
11
R82
0
R
10k
