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VS-2400CD
Service notes
Circuit Diagram (Analog 1/4) - Roland VS-2400CD Service Notes
Digital studio workstation
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Owner's manual
(508 pages)
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Appendices
(156 pages)
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Mixer block diagram
(1 page)
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Jan.2003
CIRCUIT DIAGRAM (ANALOG 1/4)
fig.analog1-c
+48V
Q1
R1
Q2
R2
2SA1587GR
47k(RR)
2SC4081
100k(RR)
3
2
R3
C1
100k(RR)
10/50
1
+ 15
C2
R6
R7
R8
6.8k(1/4W)
6.8k(1/4W)
A
0.1
JK1
2.2k(RR)
C7
R17
10
1
22/50(PZ)
R15
100k(RR)
C13
(120p(ECHU))
Q4
3
1
2SC4117GR
2
C12
10(RR)
R34
NC3FAV2-0
22/50(PZ)
C22
(47k(RR))
C23
C17
120p(ECHU)
(120p)
R24
100k(RR)
470/16
JK3
C24
R35
10k(RR)
2
4
22/50(PZ)
R33
7
- 15
3
47k(RR)
A
R37
1
100k(RR)
JY6353
R43
A
C25
C27
10(RR)
R38
(120p(ECHU))
22/50(PZ)
100k(RR)
+48V
Q9
R53
Q10
R54
2SA1587GR
47k(RR)
2SC4081
100k(RR)
3
2
R58
C43
100k(RR)
10/50
1
+ 15
C44
R59
R60
R61
6.8k(1/4W)
A
0.1
JK5
6.8k(1/4W)
2.2k(RR)
C49
R66
10
C54
1
22/50(PZ)
R64
100k(RR)
(120p(ECHU))
Q11
3
1
2SC4117GR
2
C53
10(RR)
R75
NC3FAV2-0
22/50(PZ)
C62
(47k(RR))
C63
C56
120p(ECHU)
(120p)
R68
100k(RR)
470/16
JK6
C64
R76
10k(RR)
2
4
22/50(PZ)
R74
7
- 15
3
47k(RR)
A
R78
1
100k(RR)
JY6353
R81
A
C65
C68
10(RR)
R79
(120p(ECHU))
22/50(PZ)
100k(RR)
+48V
Q13
R82
Q14
R83
2SA1587GR
47k(RR)
2SC4081
100k(RR)
3
2
R86
C73
100k(RR)
10/50
1
+ 15
C75
R91
R92
R93
6.8k(1/4W)
6.8k(1/4W)
A
0.1
JK8
2.2k(RR)
10
C83
R106
C89
1
22/50(PZ)
R100
100k(RR)
(120p(ECHU))
Q17
3
1
2
2SC4117GR
C86
10(RR)
R115
NC3FAV2-0
22/50(PZ)
C94
(47k(RR))
C95
C91
R108
120p(ECHU)
(120p)
100k(RR)
470/16
JK9
C96
R116
10k(RR)
2
4
22/50(PZ)
R114
7
- 15
3
R121
47k(RR)
A
1
100k(RR)
JY6353
R128
A
C97
C102
10(RR)
R122
(120p(ECHU))
22/50(PZ)
100k(RR)
+48V
Q21
R137
Q22
R138
2SA1587GR
47k(RR)
2SC4081
100k(RR)
3
2
R139
C115
100k(RR)
10/50
1
+ 15
C118
R140
R141
R142
6.8k(1/4W)
A
0.1
JK11
6.8k(1/4W)
2.2k(RR)
C122
R147
10
C129
1
22/50(PZ)
R145
100k(RR)
(120p(ECHU))
Q23
3
1
2
2SC4117GR
C126
10(RR)
R156
NC3FAV2-0
22/50(PZ)
C134
(47k(RR))
C135
C131
120p(ECHU)
(120p)
R149
100k(RR)
470/16
JK12
C136
R157
10k(RR)
2
4
22/50(PZ)
R155
7
- 15
3
47k(RR)
A
R159
1
100k(RR)
JY6353
R162
A
C137
C140
10(RR)
R160
(120p(ECHU))
22/50(PZ)
100k(RR)
PH1
+ 15
+ 15
IC1B
NE5532
R9
C3
6
-
47/25(PZ)
7
2.2k(RR)
5
C5
+
(100p)
Q5
1
2SC4117GR
R16
C14
4.7k(RR)
(100p)
VR1
R27
R25
50kRD
C18
39k(RR)
R28
C19
10k(RR)
3
1
2
-
1
12(RR)
R26
47/16(PZ)
3
+
VREF1
R36
1.2k(RR)
IC3A
47/16(PZ)
VREF1
82k(RR)
UPC4570G
A
+ 15
R39
10k(RR)
C26
C321
47/16(PZ)
0.1
- 15
A
A
-
IC3C
UPC4570G
C31
+
10/6.3(T)
C40
0.1
A
PH2
- 15
+ 15
+ 15
IC1A
NE5532
R62
C45
2
-
47/25(PZ)
1
2.2k(RR)
3
C48
+
(100p)
Q12
1
2SC4117GR
R65
C55
4.7k(RR)
(100p)
VR2
R71
R69
C57
39k(RR)
R72
50kRD
C59
10k(RR)
3
1
6
-
7
12(RR)
R70
47/16(PZ)
5
+
VREF1
R77
1.2k(RR)
IC6B
47/16(PZ)
VREF1
82k(RR)
UPC4570G
+ 15
+ 15
R80
10k(RR)
C66
C67
0.1
0.1
- 15
A
-
-
IC1C
IC6C
NE5532
UPC4570G
+
+
C71
C72
PH3
0.1
A
0.1
- 15
- 15
+ 15
+ 15
IC7B
NE5532
R94
C77
6
-
47/25(PZ)
7
2.2k(RR)
C80
5
+
(100p)
Q18
1
2SC4117GR
R102
C90
4.7k(RR)
(100p)
VR3
R111
R109
C92
39k(RR)
R112
50kRD
C93
10k(RR)
3
1
2
-
1
12(RR)
R110
47/16(PZ)
3
+
VREF1
R117
1.2k(RR)
IC10A
47/16(PZ)
VREF1
82k(RR)
UPC4570G
A
+ 15
R123
10k(RR)
C100
0.1
- 15
A
-
IC10C
UPC4570G
C106
+
10/6.3(T)
C114
0.1
A
PH4
- 15
+ 15
+ 15
IC7A
NE5532
R143
C119
2
-
47/25(PZ)
1
2.2k(RR)
C121
3
+
(100p)
Q24
1
2SC4117GR
R146
C130
4.7k(RR)
(100p)
VR4
R152
R150
C132
39k(RR)
R153
50kRD
C133
10k(RR)
3
1
6
-
7
12(RR)
R151
47/16(PZ)
5
+
VREF1
R158
1.2k(RR)
IC12B
47/16(PZ)
VREF1
82k(RR)
UPC4570G
+ 15
+ 15
R161
10k(RR)
C138
C139
0.1
0.1
- 15
A
-
-
IC7C
IC12C
NE5532
UPC4570G
+
+
C143
C144
0.1
A
0.1
- 15
- 15
CS
XRESET
CDTI
CCLK
MCLK
LRCK
BICK
R10
R14
C8
330(RR)
6.2k(RR)
(100p)
R18
C10
(2200p(ECHU))
10k(RR)
1500p(ECHU)
R23
6.2k(RR)
AD1
DA1
R29
6
-
7
R30
IC5
8.2k(RR)
5
+
IC3B
330(RR)
5
25
AINL-
AOUTL-
UPC4570G
4
26
AINL+
AOUTL+
+ 5
27
AOUTR-
8
28
VA
AOUTR+
23
VD
R42
22
VT
10(RR)
14
SDTI
R47
6
13
VREF
SDTO
1
12
6.2k(RR)
VCOM
BICK
11
LRCK
10
MCLK
C35
7
16
AGND
CCLK
10/6.3(T)
24
15
(2200p(ECHU))
DGND
CDTI
R52
18
DFS
19
6.2k(RR)
PDN
C32
C33
C34
A
C36
17
CSN/DIF
A
+ 5
0.1
10/6.3(T)
0.1
0.1
9
P/S
R55
3
20
AINR-
DEM0
2
21
8.2k(RR)
AINR+
DEM1
AK4528VF
A
R63
C50
330(RR)
(100p)
R67
C51
10k(RR)
1500p(ECHU)
R73
2
-
1
3
+
IC6A
330(RR)
UPC4570G
+ 15
A
C69
100/16
A
C70
100/16
A
- 15
R90
6.2k(RR)
R95
(2200p(ECHU))
C84
330(RR)
R101
(100p)
6.2k(RR)
R107
C85
10k(RR)
1500p(ECHU)
R103
8.2k(RR)
AD2
DA2
R113
6
-
7
IC11
5
+
IC10B
330(RR)
5
25
AINL-
AOUTL-
UPC4570G
4
26
AINL+
AOUTL+
+ 5
R126
27
AOUTR-
8
28
6.2k(RR)
VA
AOUTR+
23
VD
R127
22
VT
14
SDTI
10(RR)
(2200p(ECHU))
6
13
VREF
SDTO
1
12
R133
VCOM
BICK
6.2k(RR)
11
LRCK
10
MCLK
C110
7
16
AGND
CCLK
10/6.3(T)
24
15
DGND
CDTI
R134
18
DFS
19
8.2k(RR)
PDN
C107
C108
C109
A
C111
17
CSN/DIF
A
+ 5
0.1
10/6.3(T)
0.1
0.1
9
P/S
3
20
AINR-
DEM0
2
21
AINR+
DEM1
AK4528VF
A
R144
C123
330(RR)
(100p)
R148
C124
10k(RR)
1500p(ECHU)
R154
2
-
1
3
+
IC12A
330(RR)
UPC4570G
+ 15
A
C141
100/16
C142
A
100/16
A
- 15
MUT
R4
R5
150(1/4W)
150(1/4W)
R11
8.2k(RR)
R12
Q3
2.2k
C9
R13
1
100p(ECHU)
100k(RR)
2SC4213A
C11
C6
220p(ECHU)
R19
R20
R21
Q6
C15
2
10k(RR)
10k(RR)
2.2k
2SC4213A
-
R22
1
1
3
100k(RR)
+
IC2A
100/50(PZ)
R31
R32
C21
UPC4570G2_1
6
150(1/4W)
150(1/4W)
-
C20
7
220p(ECHU)
5
+
IC2B
100/50(PZ)
UPC4570G2_1
A
A
A
R40
R41
150(1/4W)
150(1/4W)
R44
8.2k(RR)
R45
Q7
2.2k
C30
1
R46
100p(ECHU)
100k(RR)
2SC4213A
C37
C29
220p(ECHU)
R48
R49
R50
Q8
C38
IC4B
10k(RR)
10k(RR)
2.2k
2SC4213A
6
-
7
1
R51
100k(RR)
5
+
100/50(PZ)
R56
R57
C42
UPC4570G2_2
2
IC4A
150(1/4W)
150(1/4W)
-
C41
1
220p(ECHU)
3
+
100/50(PZ)
A
UPC4570G2_2
A
A
+ 15
+ 15
C46
C47
+ 15
0.1
0.1
A
A
C52
IC2C
IC4C
100/16
-
-
UPC4570G2_1
UPC4570G2_2
+
+
A
C58
C60
C61
100/16
0.1
A
0.1
A
- 15
- 15
- 15
MUT
R84
R85
150(1/4W)
150(1/4W)
R87
8.2k(RR)
R88
Q15
2.2k
C78
R89
1
100p(ECHU)
100k(RR)
2SC4213A
C79
C76
220p(ECHU)
R96
R97
R98
Q16
C81
2
10k(RR)
10k(RR)
2.2k
2SC4213A
-
1
1
R99
100k(RR)
3
+
IC8A
100/50(PZ)
R104
R105
C88
UPC4570G2_1
150(1/4W)
150(1/4W)
6
-
C87
7
220p(ECHU)
5
+
IC8B
100/50(PZ)
A
UPC4570G2_1
A
A
R118
R119
150(1/4W)
150(1/4W)
R120
8.2k(RR)
R124
Q19
2.2k
C101
1
R125
100p(ECHU)
100k(RR)
2SC4213A
C103
C99
220p(ECHU)
R129
R130
R131
Q20
C104
6
IC9B
10k(RR)
10k(RR)
2.2k
2SC4213A
-
R132
7
1
5
100k(RR)
+
100/50(PZ)
R135
R136
C113
UPC4570G2_2
2
IC9A
150(1/4W)
150(1/4W)
-
C112
1
220p(ECHU)
3
+
100/50(PZ)
A
UPC4570G2_2
A
A
+ 15
+ 15
C116
C117
+ 15
0.1
A
0.1
A
C120
IC8C
IC9C
100/16
-
-
UPC4570G2_1
UPC4570G2_2
+
+
A
C125
C127
C128
100/16
0.1
A
0.1
A
- 15
- 15
- 15
ANALOG BOARD 1/4
VS-2400CD
JK2
C4
2
22p
4
3
1
C16
LGR4609-7100
22p
A
JK4
C28
2
22p
4
3
1
C39
LGR4609-7100
22p
A
JK7
C74
2
22p
4
3
1
C82
LGR4609-7100
22p
A
JK10
C98
2
22p
4
3
1
C105
LGR4609-7100
22p
A
55
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