Circuit Diagram(Main(Tone Generator, Dac, Output)) - Roland RS-70 Service Notes

May 2003

CIRCUIT DIAGRAM(MAIN(Tone Generator, DAC, Output))

fig.CircuitMain3
Tone Generator,
DAC, Output
A3V[0..21]
D3V[0..15]
XXPWAIT3V
XXPWAIT3V
XXPINT3V
XXPINT3V
+
D 3. 3
IC25A
TC7WHU04FU
1 7
R85 R86
10K 10K
D
XXPCS3V
XXPWR3V
XRD3V
R87 4.7K
XXPWAIT3V
IC25B IC25C XXPINT3V
TC7WHU04FU TC7WHU04FU
3 5 6 2
R90
470
X2
+
C142 D 3. 3 33.8688MHZ
1 4
0.1 IC25D
C143 C144
TC7WHU04FU
12P 10P
D D D
R101
XRST3V
100
XRST3V
C151
100P
D
ED[0..7]
EA8
43 28
I/O16 A8
EA7
42 27
I/O15 A7
EA6
41 26
I/O14 A6
40 25 EA5
I/O13 A5
EA4
38 24
I/O12 A4
EA3
37 21
I/O11 A3
36 20 EA2
I/O10 A2
EA1
35 19
I/O9 A1
ED7 EA0
10 18
I/O8 A0
ED6 9
I/O7
ED5
8 13
I/O6 NC
ED4
7 14
I/O5 NC
ED3
5 17
I/O4 NC
ED2
4 32
I/O3 NC
ED1 3
+ I/O2
D 3. 3 ED0
2
I/O1
22
VCC +
D 3. 3
6
VCC
1 16
VCC RAS
30
UCAS
31
LCAS
15
WE
44 29
VSS OE
39
VSS
23
VSS
M11L416256SA-35T
D IC30
C166 C168
1 C167 1
1
36
D + 3. 3
+
D 3. 3
C115 C114
RV2-V@M-R
0.1
10/16
C116
D + 3. 3
0.1
C117 D
0.1
C118
C119
0.1
0.1
C120
C121
0.1
0.1
C122
C123 0.1
0.1
C124
C125
0.1
0.1 D
D IC24
A3V13 WA23
27 67
A3V12 WA22
25 68
A3V11 23 70 WA21
A3V10 WA20
21 69
A3V9 WA19
22 71
A3V8 24 73 WA18
A3V7 WA17
26 95
A3V6 28 92 WA16
A3V5 WA15
29 90
A3V4 WA14
30 86
A3V3 31 84 WA13
A3V2 WA12
32 81
A3V1 WA11
34 79
A3V0 35 76 WA10
WA9
74
D3V15 WA8
36 75
D3V14 41 78 WA7
D3V13 WA6
47 80
D3V12 WA5
52 82
D3V11 55 85 WA4
D3V10 WA3
50 87
D3V9 46 91 WA2
D3V8 WA1
40 94
D3V7
38 93
D3V6 43
D3V5 WD15
49 99
D3V4 WD14
54 104
D3V3 53 109 WD13
D3V2 WD12
48 113
D3V1 WD11
42 116
D3V0 37 112 WD10
+
D 3. 3 WD9
108
60 103 WD8
WD7
102
WD6
58 107
19 111 WD5
WD4
20 115
WD3
114
57 110 WD2
WD1
62 106
WD0
101
R88 10 64
126
59 125
124
123
EA8 147 122
EA7
150 120
EA6 XWCS1
152 119
+
D
EA5 154 118 XWCS0
EA4
156
EA3 R96
155 97
EA2 153 98 XWRD
EA1 10K
151
EA0
148 128
129
ED7
130
ED6 135 13
ED5
136 10
ED4
137 14
ED3 138
ED2 LRCK3V
139 9 1 8
ED1 BICK3V
141 8 2 7
ED0 142 7 3 6 SD3V
MCLK3V
5 4 5
10
145 4 RA29 EXBV8V@JV
146 3
143 2
175
+
D 3.
174
173
166
18 167
168
16 169
R116
170
10K
172
65 158
159
160
161
162
163
TC203C180AF003(XP7)
D D
C183 + 5
D
0.1
D
IC32
1
XRST
2
XMUTE
TC7SH08FU
R141
47K
D D
WA[1..23]
WD[0..15]
IC20 IC21
WA23 36 46 WD15 WA23 36
A22 O15/A-1 A22 O15/A-1
WA22 WD14 WA22
12 44 12
A21 O14 A21 O14
WA21 WD13 WA21
13 42 13
A20 O13 A20 O13
WA20 11 40 WD12 WA20 11
A19 O12 A19 O12
WA19 WD11 WA19
14 35 14
A18 O11 A18 O11
WA18 WD10 WA18
15 33 15
A17 O10 A17 O10
WA17 2 31 WD9 WA17 2
A16 O9 A16 O9
WA16 WD8 WA16
3 29 3
A15 O8 A15 O8
WA15 4 45 WD7 WA15 4
A14 O7 A14 O7
WA14 WD6 WA14
5 43 5
A13 O6 A13 O6
WA13 WD5 WA13
6 41 6
A12 O5 A12 O5
WA12 7 39 WD4 WA12 7
A11 O4 A11 O4
WA11 WD3 WA11
8 34 8
A10 O3 A10 O3
WA10 WD2 WA10
9 32 9
A9 O2 A9 O2
WA9 10 30 WD1 WA9 10
A8 O1 A8 O1
WA8 WD0 WA8
16 28 16
A7 O0 A7 O0
WA7 WA7
17 17
A6 + A6
D 3 . 3
WA6 18 WA6 18
A5 A5
WA5 WA5
19 38 19
A4 VCC A4 VCC
WA4 20 37 WA4 20
A3 VCC A3 VCC
WA3 WA3
21 21
A2 A2
WA2 C126 WA2
22 22
A1 A1
WA1 23 0.1 WA1 23
A0 A0
48
GND GND
XWCS0 XWCS1
24 47 24
CE GND CE GND
XWRD 27 26 XWRD 27
OE/OE/DC GND OE/OE/DC GND
1 25 1
D + 3. 3 WORD/BYTE GND D + 3. 3 WORD/BYTE GND
MX23L12810MC-10-M1P01 D MX23L12810MC-10-M1P0102
+
D 3. 3
WD8
1 8
WD7 2 7 RA25
WD0 10K
3 6
WD15 EXBV8V@JV
4 5
WD9 1 8
DA401
WD6 RA26
2 7
WD1 10K
3 6 MA142WK-(TX)
WD14 4 5 EXBV8V@JV
WD10
1 8 3
WD5 2 7 RA27
WD2 10K
3 6
WD13 EXBV8V@JV
4 5
WD11 1 8
A D P V
+ 5
WD4 RA28 A IC26
2 7
WD3 10K
3 6 1 3
OUT IN
WD12 4 5 EXBV8V@JV
D C136
C137 AN78L05M C138
+ 5
D R89 C414 100/16 0.1 0.1
[NIU] 0.1 RA2-V@M
A A
C141
R92 C415 0.1 R93 15K
0.1 10
3. 3
R94 8.2K R95 10K C145 AMZ@
D A
220P
IC28 C147 AMZ@ 2
-
R409 820P
1
10 R98 8.2K R99 10K
12 3
DEM1 +
11 24 IC27A
DEM0 DZFL
M5218AFP
15
DIF2
14 19 R104 C150
DIF1 AOUTL+
15K
13
DIF0
AMZ@
18
AOUTL-
7 270P
SDATA
8 17 A A
LRCK AOUTR+
6
BICK
16 R107 15K
AOUTR-
5
PD
9 23
SMUTE DZFR
10 R108 8.2K R109 10K C155 AMZ@
DFS
220P
4 21
MCLK VREF
C156 AMZ@
3 6 -
CKS
820P
7
C417 R112 8.2K R113 10K
5
+
D AK4324 0.1 IC27B
M5218AFP
C161 R117 C159
R410 C416 A 15K
100 100P AMZ@
0.1 270P
D D A A A
A D P V
D3
MA142WK-(TX) C175
IC27C
2 1 0.1
A D P V
A DP V
R133
A D P V
47K C178
A
D4 100/16 C179 M5218AFP
RD5.1M 2SA1037KR RA2-V@M
0.1
1
R134 Q13 A
R135
10K
4.7K
R137 C182 MUTE
1
1K RV2-V@M-R
10/16
1 R139
Q15 R138
A A 47K
2SC2412KR [NIU] Q14
R140 2SC2412KR
1K
A - 9
A
4 XPD 1
Q16
DTC114EK
A
46 WD15
WD14
44
WD13
42
40 WD12
WD11
35
WD10
33
31 WD9
WD8
29
45 WD7
WD6
43
WD5
41
39 WD4
WD3
34
WD2
32
30 WD1
WD0
28
+
D 3. 3
38
37
C127
0.1
48
47
26
25
D + 3. 3
D
C128
[NIU] C129
[NIU]
D
A 9
C134 C135 CN6
0.1 A-9V 10 TO
100/16
10
RA2-V@M AGND
9
9
AGND PANEL L
8
8
A+9V 7
7
C139 SENDR C425 100P
A 6
6
C140 SENDL C426 100P
100/16 5
5
RA2-V@M 0.1 RTNL 4 C427 100P
4
AGND
3
3
A - 9 AGND 2
2
RTNR C428 100P
1
1
52147-1010
C148
A A A
100/16 C146 10P
RA2-V@M
R97 12K C149
R100 RA2-V@M
10K 2 47/16 R102
-
680
1
3
+
R105
IC29A R106 3.3K
100K
A 1
M5218AFP
A
C154 10P
C157
R110
100/16 12K C158
RA2-V@M R111 RA2-V@M R114
10K 47/16 680
6
-
7
5
+
R118
IC29B R119 3.3K
100K 1
A
+ M5218AFP
A 9
C163 A
0.1
-
+
IC29C
A
M5218AFP
C165 10P
C164
0.1
C169
*
R120
A - 9 R121 100/16
MCR50J@
2 RA2-V@M
-
R122 47
1
6.8K IC31A
3
+
M5216FP
R125 1K
A 1
R124
C171 10P
100K
A
C172
*
R126
R127 100/16
MCR50J@
6 RA2-V@M
-
R128 47
7
A + 9 A + 9
6.8K IC31B
5
+
RA2-V@M M5216FP
R132 1K
100/16
A 1
C176 C177 * R131
0.1
100K
LOT 1.00-7.79 7.80-
- -
A
R120 8.2K 15K
+ +
IC31C
A
C181 M5216FP R126 8.2K 15K
C180 0.1
100/16
RA2-V@M
A - 9 A - 9
RS-70
D + 3. 3
C130
[NIU] C131
[NIU]
D
N2012Z601T02
JK4
R103 L54
2
4
LINE OUT L
330
3
Q9 C152
1
2SC4213A 100P
LGR4609-7100
A F L55 C153
0
0.1
F
A
N2012Z601T02
JK5
R115 L56
2
4
LINE OUT R
330
3
Q10 C160
1
2SC4213A 100P
LGR4609-7100
C162
A F L57
0
0.1
F
A
N2012Z601T02
MCR50J@
L58
R123 47
Q11 C170
2SC4213A 1000P
JK6
F
A 2
4 PHONES
N2012Z601T02
3
MCR50J@
L59 1 OUT
R129 47
LGR4609-7100
C173
Q12 C174 L60
2SC4213A 1000P 0 0.1
F F
A A
37