Circuit Diagram(Digital1) - Roland Dr. Sample SP-303 Service Notes

Mar.2001

CIRCUIT DIAGRAM(DIGITAL1)

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