26
Mar.2001
SP-303
CIRCUIT DIAGRAM(DIGITAL1)
fig.digital1
MIDI IN
RESET
SW SCAN
LED & VO L
CPU
CPU
FLASH
DATA
TO SW BOARD
CN10
TO SW BOARD
CN8
C
C
GA-DMA-ACK1
C
GA-DMA-REQ1
F
C
F
D
GA-DMA-ACK0
C
MIDI IN
C
C
GA-DMA-REQ0
RESET
C-SMUTE
A-MUTE
+
D
3. 3
+
D
3. 3
D
+
D
3. 3
+
D 3. 3
+
D 3. 3
+
D
3. 3
D
D
D
D
D
D
D
D
D
D
D
D
D
+
D
3. 3
D
D
D
D
+
D
3. 3
+
D
3. 3
D
D
D
D
D
D
D
D
D
+
D
3. 3
R84
10k
D2
MA111
1
2
R80
560
RA9
EXBV8V470JV
1
8
2
7
3
6
4
5
R194
1k
R196
1k
C210
0.01
C110
10/16
C118
0.1
C121
0.1
IC25
PC400
1
3
4
5
6
C113
0.01
RA8
EXBA10E103J
1
2
3
4
5
6
7
8
9
10
IC43E
TC74VHC04FT
11
10
IC43D
TC74VHC04FT
9
8
IC43F
TC74VHC04FT
13
12
IC43G
TC74VHC04FT
14
7
IC43C
TC74VHC04FT
5
6
IC43A
TC74VHC04FT
1
2
IC43B
TC74VHC04FT
3
4
C223
0.01
C234
0.01
C235
0.01
C238
0.01
C239
0.01
C236
0.01
C237
0.01
C135
0.01
C114
0.01
C126
C112
0.01
C128
RA25
EXBV8V101JV
1
8
2
7
3
6
4
5
RA23
EXBV8V101JV
1
8
2
7
3
6
4
5
C111
0.01
RA16
EXBV8V680JV
1
8
2
7
3
6
4
5
X2
AT-49 6.4M
1
2
RA22
EXBV8V101JV
1
8
2
7
3
6
4
5
R195
1k
RA20
EXBV8V101JV
1
8
2
7
3
6
4
5
RA21
EXBV8V101JV
1
8
2
7
3
6
4
5
R83
10k
RA19
EXBV8V101JV
1
8
2
7
3
6
4
5
RA14
EXBV8V680JV
1
8
2
7
3
6
4
5
RA13
EXBV8V680JV
1
8
2
7
3
6
4
5
CN7
5045-07A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
IC28
S-80927ALMP-DAQ-T2
CD
5
VSS
3
OUT
1
VDD
2
NC
4
R235
47
RA18
EXBV8V101JV
1
8
2
7
3
6
4
5
C208
0.01
C255
100p
C253
100p
C254
100p
C209
0.01
1
4
2
5
3
JK5
YKF51-5047
5
2
4
R81
120
R82
100
L4
N2012Z601T02
L3
N2012Z60
1T02
CN6
RIBON CABLE 14P
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
L15
N2012Z601T02
L16
N2012Z121T02
L17
N2012Z121T02
L18
N2012Z121T02
L19
N2012Z121T02
L20
N2012Z601T02
R241
220
R242
100
L13
N2012Z601T02
RA11
EXBV8V680JV
1
8
2
7
3
6
4
5
C249
0.01
C251
0.01
C258
0.01
C250
0.01
C133
0.1
R244
1M
IC23
V850E/MS1
DMARQ3/INTP103/P07
1
DMARQ2/INTP102/P06
2
DMARQ1/INTP101/P05
3
DMARQ0/INTP100/P04
4
P03/TI10
5
P02/TCLR10
6
P01/TO101
7
P00/TO100
8
VSS
9
DMAAK3/INTP113/P17
10
DMAAK2/INTP112/P16
11
DMAAK1/INTP111/P15
12
DMAAK0/INTP110/P14
13
P13/TI11
14
P12/TCLR11
15
P11/TO111
16
P10/TO110
17
TC3/INTP123/P107
18
TC2/INTP122/P106
19
TC1/INTP121/P105
20
TC0/INTP120/P104
21
P103/TI12
22
P102/TCLR12
23
P101/TO121
24
P100/TO120
25
ANI7/P77
26
ANI6/P76
27
ANI5/P75
28
ANI4/P74
29
ANI3/P73
30
ANI2/P72
31
ANI1/P71
32
ANI0/P70
33
AVDD
34
AVREF
36
AVSS
35
P20/NMI
37
P21
38
TXD0/SO0/P23
39
RXD0/SI0/P23
40
P24/SCK0
41
P25/TXD1/SO1
42
P26/RXD1/SI1
43
P27/SCK1
44
VDD
45
INTP133/SCK2/P37
46
INTP132/SI2/P36
47
INTP131/SO2/P35
48
P34/INTP130
49
P33/TI13
50
P32/TCLR13
51
P31/TO131
52
P30/TO130
53
P117/INTP143/SCK3
54
P116/INTP142/SI3
55
P115/INTP141/SO3
56
P114/INTP140
57
P113/TI14
58
P112/TCLR14
59
P111/TO141
60
P110/TO140
61
CVDD
62
X2
63
X1
64
CVSS
65
CKSEL
66
MODE0
67
MODE1
68
MODE2
69
MODE3
70
RESET
71
P127/INTP153/ADTRG
72
P126/INTP152
73
P125/INTP151
74
P124/INTP150
75
P123/TI15
76
P122/TCLR15
77
P121/TO151
78
P120/TO150
79
CLKOUT/PX7
80
WAIT/PX6
81
PX5/REFRQ
82
VSS
83
P97/HLDRQ
84
P96/HLDAK
85
P95/OE
86
P94/BCYST
87
WE/P93
88
RD/P92
89
UCAS/UWR/P91
90
LCAS/LWR/P90
91
CS7/RAS7/P87
92
CS6/RAS6/P86
93
CS5/RAS5/P85
94
RAS4/CS4P84
95
CS3/RAS3/P83
96
CS2/RAS2/P82
97
CS1/RAS1/P81
98
CS0/RAS0/P80
99
HVDD
100
A23/P67
101
A22/P66
102
A21/P65
103
A20/P64
104
A19/P63
105
A18/P62
106
A17/P61
107
A16/P60
108
A15/PB7
109
A14/PB6
110
A13/PB5
111
A12/PB4
112
A11/PB3
113
A10/PB2
114
A9/PB1
115
A8/PB0
116
VSS
117
A7/PA7
118
A6/PA6
119
A5/PA5
120
A4/PA4
121
A3/PA3
122
A2/PA2
123
A1/PA1
124
A0/PA0
125
HVDD
126
D15/P57
127
D14/P56
128
D13/P55
129
D12/P54
130
D11/P53
131
D10/P52
132
D9/P51
133
D8/P50
134
VSS
135
D7/P47
136
D6/P46
137
D5/P45
138
D4/P44
139
D3/P43
140
D2/P42
141
D1/P41
142
D0/P40
143
VDD
144
C278
100
p
C277
100p
C276
100p
C274
100p
C275
100p
C270
100p
C269
100p
C267
100p
C272
100p
C268
100p
C271
100p
C266
100p
C273
100p
RA6
EXBV8V470JV
1
8
2
7
3
6
4
5
CN5
RIBON CABLE 13P
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
C226
0.01
C227
0.01
C279
100p
C280
100p
C281
100p
C282
100p
C283
270p
C284
270p
C285
270p
C286
270p
DA20
MA147-(TX)
2
1
3
C119
10/16
C134
0.1
C120
0.01
C257
100p
L35
N2012Z601T02
L36
N2012Z601T02
L37
N2012Z601T02
L38
N2012Z601T02
L39
N2012Z601T02
C307
270p
Summary of Contents for Dr. Sample SP-303
Page 3: ...3 Mar 2001 SP 303 ...
Page 4: ...4 Mar 2001 SP 303 LOCATION OF CONTROLS fig panel 6 2 1 7 8 11 13 12 11 10 9 15 5 3 4 14 ...
Page 7: ...7 Mar 2001 SP 303 fig_exploded eps 10 b 6 b 5 5 5 5 12 11 9 5 13 14 15 16 7 8 c 8 ...
Page 22: ...22 Mar 2001 SP 303 CIRCUIT BOARD fig_compornent eps ...
Page 23: ...23 Mar 2001 SP 303 fig_compornent eps View from compornent side ...
Page 24: ...24 Mar 2001 SP 303 CIRCUIT BOARD fig_foil eps ...
Page 25: ...25 Mar 2001 SP 303 fig_foil eps View from foil side ...
Page 35: ...35 Mar 2001 SP 303 ...
Page 36: ...36 Mar 2001 SP 303 ...