Circuit Diagram (Xpgs-6 Pcb Assy/Sound Section) - Roland Va-7 Service Notes

D + 5 D + 5 D + 5 D
C41 C42 C43
0.1 0.1 0.1
D D D
A[0..21]
A[0..21]
D[0..15]
D[0..15]
XP Write Strobe Patch Circuit
+ 5
D
XP0CS 1
XP0CS
XP0W R
7
XWR L 2
XWR L XRD
R26
1M IC11A
XP0WAIT
IC22A TC7W32F
XP0INT
TC7WU04F R28
IC22C 33 XPCK
6 2 1 7
TC7WU04F R30
C78 1K
XRST
R29
1 4 470 15p
IA8
D
IA7
C79 X2 C80 IA6
12p MA-406@ 15p IA5
24.576MHz IA4
+ 5
D D D IA3
IC22B IA2
TC7WU04F IA1
C84 3 5 IA0
0.1
IC22D ID7
D
TC7WU04F ID6
ID5
D
ID4
IA[0..8] ID3
ID2
IC25 ID1
IA8 ID7 ID8 ID0
26 39 1 2
A8 I/O15
IA7 25 38 ID6 3 ID9
A7 I/O14
IA6 24 37 ID5 D 4 ID10
A6 I/O13
IA5 ID4 ID11 IRAS
23 36 5
A5 I/O12
IA4 22 34 ID3 6 ID12 ICAS
A4 I/O11
IA3 19 33 ID2 7 ID13 IWE
A3 I/O10
IA2 ID1 ID14
18 32 8
A2 I/O9
IA1 17 31 ID0 9 ID15
A1 I/O8
IA0 16 10 ID15
A0 I/O7
ID14 RA16
9
I/O6
11 8 ID13 10K
NC I/O5
12 7 ID12 RCE9A@JA
NC I/O4
ID11
15 5
NC I/O3 TSYNC
30 4 ID10
NC I/O2
3 ID9
I/O1
ID8
2
I/O0 +5 +5
D D
D +5 ID[0..15]
20
VCC
6
VCC + 5
IRAS 14 1 D
RAS VCC
ICAS
28
UCAS
29
LCAS
IWE 13
WE
27 40
OE GND
35
D
GND
21
GND
D
AS4C256K16E0-50JCTR C88
D D
40P-SOJ 10/16
4M-DRAM C86 C87
0.1 1/16
G[0..2]
CS1
XRD
XWR L
TSYNC
XP1CS
XP0CS
CS2
+ 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5
C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1/16
D D D D D D D D D D D
D + 3.3 D + 3.3 D + 3.3 D + 3.3
C66 C67 C68 C69
0.1 0.1 0.1 1/16
D D D D
WA[1..23]
+5 +
D D 3.3 IC17
TC203C180AF(XP6) WD[0..15]
WCS[0..4]
IC19
A13 27 67 WA23 WA23 36
CA13 WA23 A22
A12 WA22 WA22
25 68 12
CA12 WA22 A21
A11 23 70 WA21 WA21 13
CA11 WA21 A20
A10 21 69 WA20 WA20 11
CA10 WA20 A19
A9 WA19 WA19
22 71 14
CA9 WA19 A18
A8 24 73 WA18 WA18 15
CA8 WA18 A17
A7 26 95 WA17 WA17 2
CA7 WA17 A16
A6 WA16 WA16
28 92 3
CA6 WA16 A15
A5 29 90 WA15 WA15 4
CA5 WA15 A14
A4 30 86 WA14 WA14 5
CA4 WA14 A13
A3 WA13 WA13
31 84 6
CA3 WA13 A12
A2 32 81 WA12 WA12 7
CA2 WA12 A11
A1 34 79 WA11 WA11 8
CA1 WA11 A10
A0 WA10 WA10
35 76 9
CA0 WA10 A9
74 WA9 WA9 10
WA9 A8
D15 WA8 WA8
36 75 16
CD15 WA8 A7
D14 41 78 WA7 WA7 17
CD14 WA7 A6
D13 47 80 WA6 WA6 18
CD13 WA6 A5
D12 WA5 WA5
52 82 19
CD12 WA5 A4
D11 55 85 WA4 WA4 20
CD11 WA4 A3
D10 50 87 WA3 WA3 21
CD10 WA3 A2
D9 WA2 WA2
46 91 22
CD9 WA2 A1
D8 40 94 WA1 WA1 23
CD8 WA1 A0
D7 38 93
CD7 WA0
D6 WCS0
43 24
CD6 CE
D5 49 99 WD15 XW OE 27
CD5 WD15 OE/OE/DC
D4 WD14
54 104 1
CD4 WD14 + WORD/BYTE
D3 WD13 D 3.3
53 109
CD3 WD13
D2 48 113 WD12 UPD23C128000LGY-872@MJH
CD2 WD12
D1 WD11 IC100
42 116
CD1 WD11
D0 37 112 WD10 WA23 36
CD0 WD10 A22
108 WD9 WA22 12
WD9 A21
WD8 WA21
60 103 13
AS WD8 A20
102 WD7 WA20 11
WD7 A19
58 107 WD6 WA19 14
CS WD6 A18
WD5 WA18
19 111 15
RW WD5 A17
20 115 WD4 WA17 2
DS WD4 A16
114 WD3 WA16 3
WD3 A15
WD2 WA15
57 110 4
WAIT WD2 A14
62 106 WD1 WA14 5
INT WD1 A13
101 WD0 WA13 6
WD0 A12
WA12
64 7
CK A11
126 WA11 8
WCS7 A10
59 125 WA10 9
RESET WCS6 A9
WA9
124 10
WCS5 A8
123 WA8 16
WCS4 A7
WCS3 WA7
147 122 17
EA8 WCS3 A6
150 120 WCS2 WA6 18
EA7 WCS2 A5
152 119 WCS1 WA5 19
EA6 WCS1 A4
WCS0 WA4
154 118 20
EA5 WCS0 A3
156 WA3 21
EA4 A2
155 97 WA2 22
EA3 WOE1 A1
XW OE WA1
153 98 23
EA2 WOE0 A0
151
EA1
148 128 WCS2 24
EA0 WREQ CE
XW OE
129 27
WACK OE/OE/DC
130 1
ED7 D + 3.3 WORD/BYTE
135 13
ED6 OUTP2
UPD23C128000LGY-874@MJH
136 10
ED5 OUTP1
137 14
ED4 OUTP0
138 LSP I/F 128Mbit_MaskROM
ED3
139 9
ED2 WCKC
141 8 ADBCLK 48P-TSOP
ED1 BCKC ADBCLK
142 7
ED0 SDOD
5 SDOC
SDOC
SDOC
145 4
RAS WCKB
146 3 BCKA
BCKA
CAS BCKB
143 2 SDIB
EWE SDIB SDIB
175
SDOB
174
WCKA
173
BCKA
166 S2M5
Slave SDIA5
S2M4
18 167
SYI SDIA4
168 S2M3
SDIA3
16 169 S2M2
SYO SDIA2
S2M1
170
SDIA1
172 S2M0
SDIA0
65 158 M2S5
TEST SDOA5
159 M2S4
SDOA4
M2S3
160 4 5
SDOA3
161 3 6 M2S2
SDOA2
162 2 7 M2S1
SDOA1
M2S0
163 1 8
SDOA0
R34 100
R36 100
RA13 100
EXBV8V@JV
D
(176P-QFP)
+ 5
D C58
0.1
LSPMUTE
D
1
SDIB
4
SDIB
2
IC14
TC7S08F
+5
D
C70 C71 R23
D
0.1 1/16 10K
D
C72 C73
0.1 0.1
D D
D +5
IC15 C74
MB87837PF 0.1
D + 5
D
71 67 13 15
XE TRS1 D4 4Q
70 66 TRS0 12 10
X68 TRS0 D3 3Q
L10 BK2125HM102 BCKA
68 5 7
DALRCK D2 2Q BCKA
DABCLK
65 4 2
DABCLK D1 1Q
A3 28
CA3
A2
30 14
CA2 4Q
A1 31 77 SDOC 11
SDOC
CA1 TRR 3Q
A0 32 79 XRST 1 6
CA0 ADCC XRST CLR 2Q
ADBCLK 256FS
78 9 3
ADBCLK ADBCLK 256FS CK 1Q
D7
45 IC16
CD7
D6 TC74HC175F
44 1
CD6 EA9
D5 43 13 FA8
D
D4 CD5 EA8
38 14 FA7
CD4 EA7
D3 FA6
37 15
CD3 EA6
D2 36 16 FA5
D1 CD2 EA5
35 18 FA4
CD1 EA4
D0 FA3
34 19
CD0 EA3
20 FA2
EA2
FA1
21
EA1
FA0
26 22
XCS EA0
25
DS
24
RXW
27 80
INT ED4
8 FD3
ED3
FD2
9
ED2
5 FD1
ED1
75 6 FD0
SYI ED0
FA[0..8]
74
SYO
RA11
3 FRAS EXBV8V@JV
RAS
22K
11 IC21
CAS1
57 10 FCAS 8 1 39 26 FA8
Q7 CAS0 I/O15 A8
FWE FA0
56 4 7 2 38 25
Q6 WE I/O14 A7
FA7
55 D 6 3 37 24
Q5 I/O13 A6
54 5 4 36 23 FA1
Q4 I/O12 A5
FD1 FA6
53 FD4 2 1 34 22
Q3 I/O11 A4
51 48 3 FD0 33 19 FA2
FD5
Q2 CPUCK2 I/O10 A3
50 FD6 4 FD3 32 18 FA5
Q1 I/O9 A2
FD2 FA3
49 FD7 5 D 31 17
Q0 I/O8 A1
6 FD11 10 16 FA4
FD8
I/O7 A0
46 FD9 7 FD10 9
CPUCK1 I/O6
FD9
64 FD10 8 8 11
C I/O5 NC
62 FD11 9 FD8 7 12
B I/O4 NC
A19 61 FD7 5 15
A I/O3 NC
RA15 FD6
76 4 30
+5 CK I/O2 NC
D RCE9A@JA FD5 3
I/O1
58 10K FD4 2
G I/O0
D + 5 D + 5
59
XG2 + 5
60 41 FD[0..11] 20 D
XG1 EXTAL XPCK
VCC
6
VCC
D +5 FRAS
D 1 14
VCC RAS
28 FCAS
UCAS
72 40 29
TEST XTAL LCAS
FWE
13
WE
10/16 40 27
GND OE
D 35
GND
21
GND
D
C81 AS4C256K16E0-50JCTR
D D
C82 C83 40P-SOJ
1/16 0.1 4M-DRAM
(80P-QFP) O[0..2]
D
D
+
IC20 D 3.3
46 WD15 WA23 36 46 WD15 WD10 8 1 RA8
O15/A-1 A22 O15/A-1
WD14 WA22 WD14 WD12 EXBV8V@JV
44 12 44 7 2
O14 A21 O14
42 WD13 WA21 13 42 WD13 WD3 6 3 22K
O13 A20 O13
40 WD12 WA20 11 40 WD12 WD4 5 4
O12 A19 O12
WD11 WA19 WD11
35 14 35
O11 A18 O11
33 WD10 WA18 15 33 WD10 WD9 8 1
O10 A17 O10
31 WD9 WA17 2 31 WD9 WD13 7 2 RA9
O9 A16 O9
WD8 WA16 WD8 WD2 EXBV8V@JV
29 3 29 6 3
O8 A15 O8
45 WD7 WA15 4 45 WD7 WD5 5 4 22K
O7 A14 O7
43 WD6 WA14 5 43 WD6
O6 A13 O6
WD5 WA13 WD5 WD15
41 6 41 8 1
O5 A12 O5
39 WD4 WA12 7 39 WD4 WD0 7 2
O4 A11 O4
RA10
34 WD3 WA11 8 34 WD3 WD8 6 3
O3 A10 O3
WD2 WA10 WD2 WD14 22K
32 9 32 5 4
O2 A9 O2
30 WD1 WA9 10 30 WD1 R24
O1 A8 O1
WD0 WA8 WD0 WD11 22K
28 16 28
O0 A7 O0
WA7 17
+ A6 +
D 3.3 WA6 18 D 3.3 D
A5
WA5
38 19 38
VCC A4 VCC
37 WA4 20 37
VCC A3 VCC D + 3.3
WA3 21 C57
A2
C75 WA2 C76 0.1
22
A1
0.1 WA1 23 0.1
A0
48 48 D
GND GND
WCS1 D + 3.3
47 24 47
GND CE GND
26 XW OE 27 26 1
GND OE/OE/DC GND
25 1 25 4
GND + WORD/BYTE GND
D 3.3
2
D UPD23C128000LGY-873@MJH D IC13
IC101 TC7S00F
46 WD15 WA23 36 46 WD15 R25
O15/A-1 A22 O15/A-1
44 WD14 WA22 12 44 WD14 10K D
O14 A21 O14
WD13 WA21 WD13
42 13 42
O13 A20 O13
40 WD12 WA20 11 40 WD12
D
O12 A19 O12
35 WD11 WA19 14 35 WD11
O11 A18 O11
WD10 WA18 WD10
33 15 33
O10 A17 O10 SETWD
31 WD9 WA17 2 31 WD9
O9 A16 O9
29 WD8 WA16 3 29 WD8
O8 A15 O8
WD7 WA15 WD7
45 4 45
O7 A14 O7
43 WD6 WA14 5 43 WD6
O6 A13 O6
41 WD5 WA13 6 41 WD5
O5 A12 O5
WD4 WA12 WD4
39 7 39
O4 A11 O4
34 WD3 WA11 8 34 WD3
O3 A10 O3
32 WD2 WA10 9 32 WD2
O2 A9 O2
WD1 WA9 WD1
30 10 30
O1 A8 O1
28 WD0 WA8 16 28 WD0
O0 A7 O0
WA7
17
+ A6 +
D 3.3 WA6 18 D 3.3
A5
38 WA5 19 38
VCC A4 VCC
WA4
37 20 37
VCC A3 VCC
WA3 21
A2
WA2 22
A1
C110 WA1 C111
23
A0
48 0.1 48 0.1
GND GND
47 WCS3 24 47
GND CE GND
XW OE
26 27 26
GND OE/OE/DC GND
25 1 25 L5 BK2125HM102
GND D + 3.3 WORD/BYTE GND
L6 BK2125HM102
UPD23C128000LGY@MJH L7 BK2125HM102
D D
L8 BK2125HM102
R32
128Mbit_MaskROM
10K OUTP1
1 8
IC24A TP1 48P-TSOP BCKC 7
TC74HC27AF RCS00000C SDDA2
D 6
1 SDDA1 5
2 12 IC24C
TC74HC27AF
D 13 11
10 8 256FS
IC24B 9
3
6 4 L9
5 BK2125HM102
ALL MEMORIES ARE M2S5
M2S4
OUTP1
M2S3
BCKC
M2S2
SDDA2
M2S1
NORMAL BENT SDDA1
M2S0
256FS
S2M5
S2M4
S2M3
DAC I/F 5
S2M2 6
S2M1 7
C206 C207 C208 C209 C210 S2M0
D 8
22pFs 22pFs 22pFs 22pFs 22pFs
M2S[0..5]
S2M[0..5]
Serial Communication Channel
+ 5
D
+5
D IC9
D +5 PQ3DZ53U
IC24D
1
IN
TC74HC27AF
C60
2
OFF
C112 C59 0.1
0.1 0.1
IC11C
TC7W32F
D
Regulator
(3.3V/0.5A)
D D
+ 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5 D + 5
C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C105 C40
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1/16
D D D D D D D D D D D D D D
D + 3.3 D + 3.3 D + 3.3 D + 3.3
C62 C63 C64 C65
0.1 0.1 0.1 1/16
D D D D
IC18
+ +5
D 3.3 D TC203C180AF(XP6)
WA23 67 27 A13
WA23 CA13
WA22 A12
68 25
WA22 CA12
WA21 70 23 A11
WA21 CA11
WA20 69 21 A10
WA20 CA10
WA19 A9
71 22
WA19 CA9
WA18 73 24 A8
WA18 CA8
WA17 95 26 A7
WA17 CA7
WA16 A6
92 28
WA16 CA6
WA15 90 29 A5
WA15 CA5
WA14 86 30 A4
WA14 CA4
WA13 A3
84 31
WA13 CA3
WA12 81 32 A2
WA12 CA2
WA11 79 34 A1
WA11 CA1
WA10 A0
76 35
WA10 CA0
WA9 74
WA9
WA8 D15
75 36
WA8 CD15
WA7 78 41 D14
WA7 CD14
WA6 80 47 D13
WA6 CD13
WA5 D12
82 52
WA5 CD12
WA4 85 55 D11
WA4 CD11
WA3 87 50 D10
WA3 CD10
WA2 D9
91 46
WA2 CD9
WA1 94 40 D8
WA1 CD8
93 38 D7
WA0 CD7
D6
43
CD6
WD15 99 49 D5
WD15 CD5
WD14 D4
104 54
WD14 CD4
WD13 D3
109 53
WD13 CD3
WD12 113 48 D2
WD12 CD2
WD11 D1
116 42 XP Write Strobe Patch Circuit
WD11 CD1
WD10 112 37 D0
WD10 CD0 + 5
WD9 108 D
WD9
WD8
103 60
WD8 AS
WD7 102
WD7
WD6 107 58 5 XP1CS
WD6 CS XP1CS
WD5 XP1W R
111 19 3
WD5 RW
WD4 115 20 XRD IC11B 6 XWR L
XRD
WD4 DS
WD3 114 TC7W32F
WD3
WD2 D + 5 C77 D + 5
110 57
WD2 WAIT XP1WAIT
WD1 106 62 0.1
XP1INT
WD1 INT
WD0 101
WD0
XPCK R27
64 D
CK XPCK
126 1 10K
WCS7
125 59 4
WCS6 RESET
124 2
WCS5
123 R31
WCS4
WCS3 HA8 IC23 1K
122 147
WCS3 EA8
WCS2 120 150 HA7 TC7S08F
WCS2 EA7
WCS1 119 152 HA6 D
WCS1 EA6
WCS0 HA5
118 154
WCS0 EA5
156 HA4
EA4
97 155 HA3
WOE1 EA3
XW OE HA2
98 153
WOE0 EA2
151 HA1
EA1
128 148 HA0
WREQ EA0
129
WACK
130 HD7
ED7
RA12 13 135 HD6
OUTP2 ED6
EXBV8V@JV HD5
10 136
OUTP1 ED5
100 14 137 HD4
OUTP0 ED4
HD3 HA[0..8]
138
ED3
HD2
1 9 139
WCKC ED2
2 8 141 HD1 IC26
BCKC ED1
HD0 HD8 HD7
3 7 142 2 1 39
SDOD ED0 I/O15
4 5 HD9 3 HD6 38
SDOC I/O14
HD10 4 D HD5 37
I/O13
R33 22 HRAS HD11 HD4
4 145 5 36
WCKB RAS I/O12
3 146 HCAS HD12 6 HD3 34
BCKB CAS I/O11
2 143 HWE HD13 7 HD2 33
SDIB EWE I/O10
HD14 HD1
175 8 32
SDOB I/O9
HD15 9 HD0 31
I/O8
174 HD15 10
WCKA I/O7
RA17 HD14
173 9
BCKA I/O6
10K HD13 8
I/O5
166 RCE9A@JA HD12 7
SDIA5 I/O4
HD11
167 Master 18 TSYNC 5
SDIA4 SYI I/O3
168 HD10 4
SDIA3 I/O2
169 16 HD9 3
SDIA2 SYO I/O1
HD8
170 2
SDIA1 +5 +5 I/O0
172 D D
SDIA0
HD[0..15]
20
VCC
158 65 6
SDOA5 TEST + 5 VCC
159 D 1
SDOA4 VCC
4 160
SDOA3
3 161
SDOA2
2 162
SDOA1
1 163 40
SDOA0 GND
35
D
GND
R35 100 21
GND
R37 100
RA14 100 C89 AS4C256K16E0-50JCTR
D D
EXBV8V@JV C90 C91
10/16
1/16 0.1
D
(176P-QFP)
D + 3.3
3
OUT
4
NC
C61
10/16
D D
XWR L
XPINI
XRST
HA8
26
A8
25 HA7
A7
24 HA6
A6
HA5
23
A5
22 HA4
A4
19 HA3
A3
HA2
18
A2
17 HA1
A1
16 HA0
A0
11
NC
12
NC
15
NC
30
NC
D +5
14 HRAS
RAS
HCAS
28
UCAS
29
LCAS
13 HWE
WE
27
OE
D
40P-SOJ
4M-DRAM
L[0..2]