Circuit Diagram (Main 2/7 - Xp Section) - Roland EXR-7 Service Notes

Apr.2004

CIRCUIT DIAGRAM (MAIN 2/7 - XP SECTION)

C306
D + 3. 3
100nFs
D
XWOE 9 11
A8 B8
WA23 8 12
A7 B7
WA22
7 13
A6 B6
WA21 6 14
A5 B5
WA20 5 15
A4 B4
WA19 4 16
A3 B3
WA18 3 17
A2 B2
WA17
2 18
A1 B1
+
D 3. 3
19
OE
1
DIR
IC40
SN74LV245A-PW
D D
C308
+
D 3. 3
100nFs
D
WA16 9 11
A8 B8
WA15 8 12
A7 B7
WA14 7 13
A6 B6
WA13 6 14
A5 B5
WA12
5 15
A4 B4
WA11 4 16
A3 B3
WA10 3 17
A2 B2
WA9 2 18
A1 B1
D + 3. 3
19
OE
1
DIR
IC44
SN74LV245A-PW
D D
C312
+
100nFs D 3. 3
D
WA8
9 11
A8 B8
WA7
8 12
A7 B7
WA6 7 13
A6 B6
WA5 6 14
A5 B5
WA4 5 15
A4 B4
WA3 4 16
A3 B3
WA2
3 17
A2 B2
WA1
2 18
A1 B1
+
D 3. 3
19
OE
1
DIR
IC46
SN74LV245A-PW
D D
WCS0
1
7
2
IC30A
TC7WH32FU
D
WCS1 5
3
6
IC30B
TC7WH32FU
D
D + 3. 3
C177
0.1
IC30C
TC7WH32FU
D
R183 R184
10Ks 10Ks
C182
LAVCC/2 RAVCC/2 100nFs
C324 C325
C277 100nFs R186 R187 100nFs C326
10uF16s 10Ks 10Ks
10uF16s
A
32
XW3OE
W3A23 IC51
W3A22 W3A22 WD15
1 31
A21 */D15
W3A21 W3A21 44 29 WD14
A20 D14
W3A20 W3A20 43 27 WD13
A19 D13
W3A19 W3A19 2 25 WD12
A18 D12
W3A18 W3A18 3 22 WD11
A17 D11
W3A17 W3A17 WD10
34 20
A16 D10
W3A16 WD9
35 18
A15 D9
W3A15 36 16 WD8
A14 D8
W3A14 37 30 WD7
A13 D7
W3A13 38 28 WD6
A12 D6
W3A12 39 26 WD5
A11 D5
W3A11 WD4
40 24
A10 D4
W3A10 WD3
41 21
A9 D3
W3A9 42 19 WD2
A8 D2
W3A8 4 17 WD1
A7 D1
W3A7 5 15 WD0
A6 D0
W3A6 6
A5
W3A5
7
A4
W3A4
8
A3 +
D 3. 3
W3A16 W3A3 9
A2
W3A15 W3A2 10 23
A1 VCC
W3A14 W3A1 11
A0
W3A13 W3CS1 12
CE
W3A12 XW3OE
14 13
OE VSS
W3A11 W3A23 33 32
A22/VPP VSS
W3A10
W3A9 M27W064_100M
D
64Mb FLEX ROM sop44 C374
0.1
W3A[1..23]
WD14
WD13
IC26 WD5
W3A22 1 31 WD15 WD12
A21 */D15
W3A21 44 29 WD14
A20 D14
W3A8 W3A20 WD13 WD2
43 27
A19 D13
W3A7 W3A19 WD12 WD9
2 25
A18 D12
W3A6 W3A18 3 22 WD11 WD8
A17 D11
W3A5 W3A17 34 20 WD10 WD0
A16 D10
W3A4 W3A16 35 18 WD9
A15 D9
W3A3 W3A15 36 16 WD8 WD4
A14 D8
W3A2 W3A14 WD7 WD11
37 30
A13 D7
W3A1 W3A13 WD6 WD3
38 28
A12 D6
W3A12 39 26 WD5 WD10
A11 D5
W3A11 40 24 WD4
A10 D4
W3A10 41 21 WD3 WD15
A9 D3
W3A9 42 19 WD2
A8 D2
W3A8 WD1
4 17
A7 D1
W3A7 5 15 WD0
A6 D0
W3A6 6
A5
W3A5 7
A4
W3A4 8
A3 D + 3. 3
W3A3 9
A2
W3A2
10 23
A1 VCC
W3CS0 W3A1
11
A0
W3CS0 12
C164
CE
XW3OE 14 13
0.1
OE VSS
W3A23 33 32
A22/VPP VSS
W3CS1 M27W1282
D
128Mb FLEX ROM sop44
R148 +12V
100s
IC47C
M5218AFP
-
C323
+
33uF16s
IC29
+12V TA7805F
TP
1
IN OUT
TP10
C171
A A A TP
C206 0.1
33uF16s
A
C328 C178
10uF16s 100nFs
D
12
DEM1
11
DEM0
15
DIF2
14
DIF1
13
DIF0
SDDA1
7
SDATA
OUTP1
8
LRCK
BCKC 6
BICK
MUTE
5
MUTE PD
9
SMUTE
To page 30 10
DFS
256fs
4
MCLK
3
CKS
5VD
5VD
C127 C128 C130 C132
10uF16s 100nFs 100nFs 100nFs
C129 C131
100nFs 100nFs
C140
10uF16s
C141 C142 C143
D
D + 3. 3
100nFs 100nFs 100nFs
C148 C150 C152
10uF16s 100nFs 100nFs
D
C149 C151
100nFs 100nFs
+
D 3. 3 WA23
1 8 67
WA23
2 7 RA30 WA22 68
WA22
3 6 4X22Ks WA21 70
WA21
4 5 WA20 69
WA20
WA19 71
WA19
WA18
1 8 73
WA18
RA31 WA17
2 7 95
WA17
3 6 4X22Ks WA16 92
WA16
4 5 WA15 90
WA15
WA14 86
WA14
1 8 WA13 84
WA13
RA32 WA12
2 7 81
WA12
4X22Ks WA11
3 6 79
WA11
4 5 WA10 76
WA10
WA9 74
WA9
R81 WA8 75
WA8
22Ks WA7 78
WA7
WA6
D 80
WA6
WA5 82
WA5
WA4 85
WA4
WA3 87
WA3
WA2 91
WA2
WA1 94
WA1
93
WA0
WD15 99
WD15
WD14 104
WD14
WD13 109
WD13
WD12 113
WD12
WD11
116
WD11
WD10 112
WD10
WD9 108
WD9
WD8 103
WD8
WD7 102
WD7
WD6
107
WD6
WD5
111
WD5
WD4 115
WD4
WD3 114
WD3
WD2 110
WD2
WD1 106
WD1
WD0
101
WD0
126
WCS7
125
WCS6
124
WCS5
5VD 123
WCS4
122
WCS3
120
WCS2
WCS1 119
WCS1
WCS0 118
WCS0
R84 R206
10Ks 10Ks 97
WOE1
NIU XWOE
98
WOE0
128
WREQ
129
WACK
R85
2K2s
13
OUTP2
NIU RA33
10
OUTP1
4X100s 14
OUTP0
OUTP1 1 8 9
WCKC
BCKC 2 7 8
BCKC
SDDA1 3 6 7
SDOD
256FS
4 5 5
SDOC
4
WCKB
3
BCKB
2
SDIB
5VD
175
SDOB
174
WCKA
2 173
BCKA
3
4 166
SDIA5
5 167 Mast er
SDIA4
6 168
SDIA3
C166 C167 C168 C169 D 7 169
SDIA2
2 22pFs 22pFs 22pFs 22pFs 8 170
SDIA1
9 172
SDIA0
C172
0.1
158
SDOA5
RA35
159
SDOA4
8X10Ks NIU 160
SDOA3
161
SDOA2
162
SDOA1
163
SDOA0
C176
NIU
(176P-QFP)
R89 D
10s
C329
C179
33uF16s
100nFs
R210 A R185 C313
10s 15Ks 220pFs
C315 10uF16s
IC31 C317 10uF16s R188 C314 R189 C330
AK4324 10Ks 220pFs 6K8s 10uF16s
6
-
C318 10uF16s 7
24 5
+
DZFL
C319 10uF16s
19 R190 R191 IC47B
AOUTL+
10Ks R192 6K8s C316 M5218AFP
18 15Ks 220pFs
AOUTL-
LAVCC/2
17
A
AOUTR+
16
AOUTR-
R193 C320
23
DZFR
15Ks 220pFs
21
VREF
R194 C321 R195 C210
C188 10Ks 220pFs 6K8s 10uF16s
2
-
100nFs 1
3
+
R196 R197 IC47A
C190 10Ks R198 6K8s C322 M5218AFP
D A
100nFs 15Ks 220pFs
RAVCC/2
A
D D D
C134 C135 C136
100nFs 100nFs 100nFs 5VD IC21
+
D 3. 3
PQ3DZ53U
1 3
IN OUT
2 4
OFF NC
C138
100nFs
D D D D
Regulator
C139
10uF16s
D D D (3.3V/0.5A)
C145 C146 C147
100nFs 100nFs 100nFs
IC24
TC203C180AF(XP6)
A13
27
CA13
25 A12
CA12
23 A11
CA11
21 A10
CA10
22 A9 XP Writ e Strobe Patch Circuit
CA9
A8
24
CA8
A7
26
CA7
28 A6
CA6
29 A5
CA5
30 A4
CA4
31 A3 5VD
CA3
A2
32
CA2
A1
34
CA1
35 A0
CA0
36 D15
CD15
41 D14
CD14
D13 C162
47 D
CD13
52 D12 R82 100nFs
CD12
55 D11 NIU
CD11
50 D10
CD10
46 D9
CD9
40 D8
IC27
CD8
D7
38
CD7
D6
43
CD6 TC7S32F
49 D5 1 XWRL
CD5
54 D4 4
CD4
53 D3 2
CD3
48 D2
CD2
D1
42
CD1
37 D0
CD0
5VD
60
AS
D
58
CS
19
R W
20 XRD
DS
57
WAIT
62
INT
64
CK
59 XRST
RESET
R83
HA8 C159 100s
147
EA8
HA7 10nFs
150
EA7
152 HA6
EA6
154 HA5
D
EA5
156 HA4
EA4
155 HA3
EA3
HA2
153
EA2
151 HA1
EA1
148 HA0
EA0
130 HD7
ED7
HD6
135
ED6
HD5
136
ED5
137 HD4 D
ED4
HA[0..8]
138 HD3
ED3
139 HD2
ED2
141 HD1 IC28
ED1
142 HD0 HD8 2 HD7 39 26 HA8
ED0 I/O15 A8
HD9 HD6 HA7
3 38 25
I/O14 A7
HD10 4 HD5 37 24 HA6
I/O13 A6
145 HRAS HD11 5 HD4 36 23 HA5
RAS I/O12 A5
146 HCAS HD12 6 HD3 34 22 HA4
CAS I/O11 A4
143 HWE HD13 7 HD2 33 19 HA3
EWE I/O10 A3
5VD HD14 HD1 HA2
8 32 18
I/O9 A2
HD15 HD0 HA1
9 31 17
I/O8 A1
HD15 10 16 HA0
I/O7 A0
R87 HD14 9
RA34
I/O6
HD13 8 11
10Ks I/O5 NC
HD12 7 12
8X10Ks I/O4 NC
HD11
18 5 15
SYI I/O3 NC
HD10 4 30
I/O2 NC
16 HD9 3
SYO I/O1
5VD HD8 2
I/O0
5VD
HD[0..15] 20
VCC
65 6
TEST VCC
HRAS
1 14
VCC RAS
28 HCAS
UCAS
C173 29
LCAS
10uF16s 13 HWE
WE
40 27
GND OE
35
GND
21
GND
D
LC324260AJ-60 TC514260DJS
D D
40P-SOJ
C174 C175
4M-DRAM
100nFs 100nFs
SENDL
R106
68Ks
A
SENDR
R109
68Ks
A
EXR-7
C137
100nFs
To page 34, A[0..1]
To page 40, A[0..1]
To page 36, A[0..21]
To page 41, A[0..21]
A[0..13]
A[0..13]
D[0..15]
D[0..15]
To page 34, D[0..7]
To page 40, D[0..7]
To page 36, D[0..15]
To page 41, D[0..15]
To page 34
To page 36
To page 40
To page 41
XWRL
To page 34
XPCS
To page 36
XRD
To page 40
To page 41
XPWAIT
XPINT
XRST To page 34
5VD
C156
100nFs
3 5
IC23D IC23B
D
R78 TC7WU04F TC7WU04F
1Ms
D
IC23A
TC7WU04F
IC23C 6 2 1 7 XPCK
TC7WU04F
R79 C327
R80 33s 15pFs
470s
D
C161
C160 15pFs
12pFs
D D
X3
MA_406_24M576Hz
24.576MHz
33