Circuit Diagram (Main Board Dsp) - Roland BOSS BR-1600CD Service Notes

Digital recording studio
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Jan.2004

CIRCUIT DIAGRAM (MAIN BOARD DSP)

fig.mdspa
ch select signal
decode
C171 0.1
D 3. 3
D
6
D
5
C
D
4
B
3
+
A
D 3. 3
1
SEL DSP SYNC
CLR
9
LOAD
10
ENT
7
ENP
2
ESP#1_TRCK
CK
C173 0.1
D 3. 3
D
6
D
5
C
D
4
B
3
A
D 3. 3
+
1
CLR
9
LOAD
10
ENT
7
ENP
2
CK
A[0:13]
D[0:7]
L31
D 3. 3
+
0
C176
0.1
C695
470p
C181
0.1
C696
470p
C184
0.1
C698
470p
C188
0.1
D
C700
470p
C193
0.1
C187
C701
470p
100/16
C196
0.1
C704
470p
C199
0.1
C202
0.1
C707
470p
C205
0.1
C208
0.1
C710
470p
C211
0.1
C711
470p
C214
0.1
C712
470p
C217
0.1
C713
470p
C220
0.1
C715
470p
C223
0.1
C718
470p
IC32
TC223C080AF-101(ESP4)
81
63
A13
CA13
TRR5
A12
82
IN
62
CA12
TRR4
A11
83
61
CA11
TRR3
A10
84
60
CA10
TRR2
A9
86
58
CA9
TRR1
A8
87
57
CA8
TRR0
A7
88
56
CA7
TRCKIN
A6
89
CA6
A5
91
52
CA5
RST2
DSP_RESET#
92
53
A4
CA4
RST1
A3
94
CA3
A2
95
54
1
TP113
CA2
VPOUT
A1
96
RA37 EXBV8V470JV
CA1
A0
97
110
1
CA0
TRS5
OUT
111
2
TRS4
112
3
TRS3
D7
99
113
4
CD7
TRS2
R128
D6
100
114
CD6
TRS1
D5
102
115
R131
CD5
TRS0
D4
103
117
R134
CD4
TRCKO
D3
104
CD3
D2
105
TP169
CD2
D1
106
142
1
R137
10k
CD1
SYO
TP792
107
143
D0
CD0
SYI
TP793
DSP_SYNC
R140 0
74
28
1
TP172
DSP_INT0#
INT1
EA9
1
75
27
1
TP174
INT0
EA8
TP117
25
1
TP176
EA7
77
ESP#1
24
1
TP178
#CS4
#CS4
CS
EA6
WR#
78
23
1
TP180
WR
EA5
RD#
79
21
1
TP182
RD
EA4
20
1
TP184
EA3
65
19
1
TP186
DIRECT
EA2
66
17
1
TP188
CTYPE
EA1
67
16
1
TP190
EAMPX
EA0
68
RFRSH
69
PWRSAV
70
50
1
TP192
GRAMC
ED23
71
49
1
TP194
DA:right
SHRMD
ED22
48
1
TP196
ED21
justified(u
shiro zume)
D
47
1
TP198
ED20
30
46
1
TP200
OSC
ED19
45
1
TP202
ED18
43
1
TP204
ED17
TP119
1
118
42
1
TP206
DA7
ED16
R143
TP122
1
119
41
1
TP208
DA6
ED15
47
121
40
1
TP210
CODEC_DA2
DA5
ED14
R144
TP127
1
122
39
1
TP212
DA4
ED13
47
123
38
1
TP214
CODEC_DA1
DA3
ED12
R145
TP132
1
125
35
1
TP216
DA2
ED11
47
126
34
1
TP218
CODEC_DA0
DA1
ED10
TP136
1
127
33
1
TP220
DA0
ED9
AD:left justified(
mae zume)
32
1
TP222
ED8
R147
47
129
10
1
TP224
CODEC_AD3
AD3
ED7
R148
47
TP226
130
9
1
CODEC_AD2
AD2
ED6
R149
47
132
8
1
TP228
CODEC_AD1
AD1
ED5
R150
47
133
7
1
TP231
CODEC_AD0
AD0
ED4
TP146
5
1
ED3
R152
47
134
4
1
TP148
CODEC_LRCK
LRCK1
ED2
1
135
3
1
TP153
LRCK0
ED1
TP152
2
1
TP157
ED0
TP159
1
137
BCK1
R153
47
138
CODEC_BCK
BCK0
12
1
TP237
WE
R154
47
139
13
1
TP239
CODEC_MCK
MCK1
CAS
TP166
1
141
14
1
TP241
MCK0
RAS
76
XTESTT
131
XTESTS
31
ESP4
TESTB
D
WR#
RD#
1536FS
38
+
IC27A
TC74VHC04FT
IC27B
IC26A
TC74VHC04FT
TC74VHC21FT
11
1
QD
12
1
2
2
QC
13
6
QB
14
3
4
4
QA
5
5
6
15
CO
IC27C
TC74VHC04FT
IC25
TC74VHC161FT
D
IC27D
+
TC74VHC04FT
IC28A
IC26B
TC74VHC00FT
TC74VHC21FT
IC28B
TP243
TP244
11
9
8
9
1
TC74VHC00FT
QD
12
10
3
4
R127 0
QC
13
8
2
6
QB
14
11
10
12
5
QA
13
13
12
15
IC27E
CO
TC74VHC04FT
IC27F
9
TC74VHC04FT
8
10
IC28C
IC29
TC74VHC00FT
TC74VHC161FT
D
SET-RESET F.F .
A[0:13]
D[0:7]
ESP#1_TRS[0:5]
ESP#1_TRS[0:5]
ESP#2_TRS[0:5]
GA_TRS[2:5]
GA_TRS[2:5]
TRR ch select
ESP#1 TRR/0ch->17ch GA TRS
,
18ch-47ch:ESP#2 TRS
C177
+
0.1
D 3. 3
IC30
D
TC74VHC157FT
ESR#1_TRCKIN
12
14
4Y
4A
9
11
3Y
3A
ESR#1_TRR5
7
5
GA_TRS5
2Y
2A
4
2
ESR#1_TRR4
GA_TRS4
1Y
1A
13
ESP#2_TRCK
4B
10
3B
1
6
ESP#2_TRS5
SEL
2B
15
3
ESP#2_TRS4
ST
1B
D
D
C226
+
0.1
D 3. 3
IC35
TC74VHC157FT
D
A13
A12
ESR#1_TRR3
12
14
GA_TRS3
A11
4Y
4A
ESR#1_TRR2
9
11
GA_TRS2
A10
3Y
3A
ESR#1_TRR1
7
5
A9
2Y
2A
ESR#1_TRR0
4
2
A8
1Y
1A
13
ESP#2_TRS3
A7
4B
10
ESP#2_TRS2
A6
3B
1
6
ESP#2_TRS1
A5
SEL
2B
15
3
ESP#2_TRS0
A4
ST
1B
A3
A2
A1
8
ESP#1_TRS5
A0
7
ESP#1_TRS4
D
6
ESP#1_TRS3
5
ESP#1_TRS2
D7
SEL
47
ESP#1_TRS1
D6
47
ESP#1_TRS0
D5
47
D4
ESP#1_TRCK
D3
+
D 3. 3
D2
D1
D0
TP116
1
TP118
1
CS5_0#
WR#
RD#
TP120
TP123
TP125
DA:right
TP128
justified(ushi
ro zume)
TP130
TP133
R146
47
D_OUTDATA
TP137
AD:right justifi
ed(ushiro
TP139
TP141
zume)
TP143
R151
47
D_INDATA
TP149
TP154
TP160
TP162
TP164
TP167
ESP TRS/TRR ch select
signal section
TRS/TRR
SEL
0ch-17ch
18ch-47ch
LRCK
SEL
D 3. 3
+
L:A,H:B
12
11
C172
13
0.1
IC28E
TC74VHC00FT
D
IC28D
TC74VHC00FT
D
+
L32
D 3. 3
0
C178
0.1
C182
0.1
C185
0.1
TRR ch select
C190
0.1
C702
470p
ESP#2 TRR/0ch->17ch ESP#3
D
C194
0.1
TRS, 18ch-47ch:ESP#1 TRS
C189
C197
0.1
100/16
C200
0.1
C179
+
C203
0.1
0.1
D 3. 3
C206
0.1
IC31
D
TC74VHC157FT
C209
0.1
ESR#2_TRCKIN
12
14
4Y
4A
C212
0.1
9
11
3Y
3A
ESP#2_TRR5
7
5
2Y
2A
C215
0.1
4
2
ESP#2_TRR4
1Y
1A
13
4B
C218
0.1
10
3B
C716
470p
1
6
SEL
2B
C221
0.1
15
3
ST
1B
C719
470p
C224
0.1
C721
470p
D
D
C227
+
IC33
0.1
D 3. 3
TC223C080AF-101(ESP4)
IC36
81
63
TC74VHC157FT
D
CA13
TRR5
82
IN
62
CA12
TRR4
83
61
ESP#2_TRR3
12
14
CA11
TRR3
4Y
4A
84
60
ESP#2_TRR2
9
11
CA10
TRR2
3Y
3A
86
58
ESP#2_TRR1
7
5
CA9
TRR1
2Y
2A
87
57
ESP#2_TRR0
4
2
CA8
TRR0
1Y
1A
88
56
13
CA7
TRCKIN
4B
89
10
CA6
3B
91
52
1
6
CA5
RST2
DSP_RESET#
SEL
2B
92
53
15
3
CA4
RST1
ST
1B
94
RA38
CA3
95
54
1
TP114
EXBV8V470JV
CA2
VPOUT
96
CA1
97
110
1
8
ESP#2_TRS5
CA0
TRS5
OUT
111
2
7
ESP#2_TRS4
D
TRS4
112
3
6
ESP#2_TRS3
TRS3
99
113
4
5
ESP#2_TRS2
CD7
TRS2
SEL
R129
47
100
114
ESP#2_TRS1
CD6
TRS1
102
115
R132
47
ESP#2_TRS0
CD5
TRS0
103
117
R135
47
CD4
TRCKO
ESP#2_TRCK
104
CD3
+
105
R138 10k
D 3. 3
CD2
106
142
1
TP170
CD1
SYO
107
143
CD0
SYI
DSP_SYNC
74
28
1
TP173
INT1
EA9
75
27
1
TP175
INT0
EA8
ESP#2
25
1
TP177
EA7
77
24
1
TP179
CS
EA6
78
23
1
TP181
WR
EA5
79
21
1
TP183
RD
EA4
20
1
TP185
EA3
65
19
1
TP187
DIRECT
EA2
66
17
1
TP189
CTYPE
EA1
67
16
1
TP191
EAMPX
EA0
68
RFRSH
69
PWRSAV
70
50
1
TP193
GRAMC
ED23
71
49
1
TP195
SHRMD
ED22
48
1
TP197
ED21
D
47
1
TP199
ED20
30
46
1
TP201
OSC
ED19
45
1
TP203
ED18
43
1
TP205
ED17
1
118
42
1
TP207
DA7
ED16
1
119
41
1
TP209
DA6
ED15
1
121
40
1
TP211
DA5
ED14
1
122
39
1
TP213
DA4
ED13
1
123
38
1
TP215
DA3
ED12
1
125
35
1
TP217
DA2
ED11
126
34
1
TP219
DA1
ED10
1
127
33
1
TP221
DA0
ED9
32
1
TP223
ED8
1
129
10
1
TP225
AD3
ED7
TP227
1
130
9
1
AD2
ED6
1
132
8
1
1
TP229
TP230
AD1
ED5
133
7
1
TP232
AD0
ED4
TP233
5
1
ED3
1
134
4
1
TP234
LRCK1
ED2
1
135
3
1
TP235
LRCK0
ED1
2
1
TP236
ED0
1
137
BCK1
1
138
BCK0
12
1
TP238
WE
1
139
13
1
TP240
MCK1
CAS
1
141
14
1
TP242
MCK0
RAS
76
XTESTT
131
XTESTS
31
TESTB
ESP4
D
+
D 3. 3
+
D 3. 3
IC26C
TC74VHC21FT
C175
0.1
C174
IC27G
0.1
TC74VHC04FT
D
D
L33
D 3. 3
+
0
ESP#3_TRS[0:5]
C180
0.1
C697
C183
0.1
C699
C186
0.1
C192
0.1
D
C703
C195
0.1
C191
C705
100/16
C198
0.1
C706
C201
0.1
C708
C204
0.1
C709
C207
0.1
C210
0.1
ESP#3_TRCK
C213
0.1
ESP#3_TRS5
C216
0.1
ESP#3_TRS4
C714
ESP#1_TRCK
C219
0.1
C717
ESP#1_TRS5
ESP#1_TRS4
C222
0.1
C720
C225
0.1
C722
IC34
81
63
A13
CA13
TRR5
ESP#3_TRS3
A12
82
IN
62
CA12
TRR4
ESP#3_TRS2
A11
83
61
CA11
TRR3
ESP#3_TRS1
A10
84
60
CA10
TRR2
ESP#3_TRS0
A9
86
58
CA9
TRR1
A8
87
57
CA8
TRR0
ESP#1_TRS3
A7
88
56
CA7
TRCKIN
ESP#1_TRS2
A6
89
CA6
ESP#1_TRS1
A5
91
52
CA5
RST2
DSP_RESET#
ESP#1_TRS0
92
53
A4
CA4
RST1
A3
94
CA3
A2
95
54
1
TP115
CA2
VPOUT
A1
96
CA1
A0
97
110
CA0
TRS5
OUT
111
TRS4
112
TRS3
D7
99
113
CD7
TRS2
D6
100
114
CD6
TRS1
D5
102
115
CD5
TRS0
D4
103
117
CD4
TRCKO
D3
104
CD3
D2
105
TP171
R139 10k
CD2
D1
106
142
1
CD1
SYO
107
143
D0
CD0
SYI
R141 0
R142 0
74
28
DSP_INT2#
INT1
EA9
75
27
DSP_INT1#
INT0
EA8
ESP#3
25
EA7
77
24
CS5_1#
CS
EA6
WR#
78
23
WR
EA5
RD#
79
21
RD
EA4
20
EA3
65
19
DIRECT
EA2
66
17
CTYPE
EA1
67
16
EAMPX
EA0
68
RA43
RFRSH
69
EXBV8VR000V
PWRSAV
70
50
1
GRAMC
ED23
71
49
2
SHRMD
ED22
48
3
ED21
D
47
4
ED20
30
46
1
OSC
ED19
45
2
ED18
43
3
ED17
TP121
1
118
42
4
DA7
ED16
TP124
1
119
41
1
DA6
ED15
TP126
1
121
40
2
DA5
ED14
TP129
1
122
39
3
DA4
ED13
TP131
1
123
38
4
DA3
ED12
TP134
1
125
35
1
TP826
DA2
ED11
TP135
1
126
34
1
TP831
RA45
DA1
ED10
TP138
1
127
33
1
TP832
EXBV8VR000V
DA0
ED9
32
1
TP833
ED8
TP140
1
129
10
1
TP836
RA47
AD3
ED7
TP142
TP839
EXBV8VR000V
1
130
9
1
AD2
ED6
TP144
1
132
8
1
TP842
AD1
ED5
TP145
1
133
7
1
TP847
AD0
ED4
TP147
5
1
ED3
TP150
1
134
4
1
TP151
LRCK1
ED2
TP155
1
135
3
1
TP156
LRCK0
ED1
2
1
TP158
ED0
TP161
1
137
BCK1
TP163
1
138
BCK0
12
WE
TP165
1
139
13
MCK1
CAS
TP168
1
141
14
MCK0
RAS
76
XTESTT
131
XTESTS
31
TESTB
ESP4
D
TC223C080AF-101(ESP4)
BR-1600CD
470p
470p
470p
470p
470p
470p
470p
470p
470p
470p
470p
D
ESP#2_TRS5
ESP#2_TRS4
ESP#2_TRS3
ESP#2_TRS2
ESP#2_TRS1
ESP#2_TRS0
ESP#2_TRCK
RA39 EXBV8V470JV
1
8
ESP#3_TRS5
2
7
ESP#3_TRS4
3
6
ESP#3_TRS3
4
5
ESP#3_TRS2
R130
47
ESP#3_TRS1
R133
47
ESP#3_TRS0
R136
47
ESP#3_TRCK
+
D 3. 3
RA41
EXBV8V103JV
D 3. 3
+
IC38
19
49
1
8
DSP_SYNC
NC
I/O15
D
20
48
2
7
NC
I/O14
32
47
3
6
A9
I/O13
31
46
4
5
A8
I/O12
30
44
IO11
A7
I/O11
29
43
IO10
A6
I/O10
28
42
IO9
A5
I/O9
27
41
IO8
A4
I/O8
24
10
IO7
A3
I/O7
23
9
IO6
A2
I/O6
22
8
IO5
A1
I/O5
21
7
IO4
A0
I/O4
5
IO3
I/O3
4
IO2
I/O2
8
18
3
IO11
IO1
RAS
I/O1
7
IO10
34
2
IO0
UCAS
I/O0
6
IO9
35
LCAS
+
5
IO8
17
D 3. 3
WE
8
IO7
33
1
OE
VCC
7
IO6
6
L35
VCC
6
25
0
IO5
VCC
5
IO4
11
NC
8
IO3
D
15
NC
7
IO2
16
C235
NC
6
IO1
36
26
10/16
NC
VSS
5
IO0
40
45
NC
VSS
50
VSS
M11L16161SA-45T
D
D
C232
C233
C234
0.1
0.1
0.1
IO[0:11]
39

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