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

C100 C101
0.1 0.1
D + 5 D + 5
D + 5
FL1 D D
ELKS471FA
1 3
FL2
ELKS471FA
D 1 3
C5
0.1
RA2
EXBV8V@JV
D D
L1 BK2125HM102 + 5
10K D
L2 BK2125HM102 + 5 + 5
D D
8 1
To CN25 on MAIN B.
L3 BK2125HM102
7 2
L4 BK2125HM102
R1
6 3
BCKC 10K
1 5 4 73
BCKC
1 MD3
SDDA1
2 75
2 SDDA1 MD2
SDDA2 3 78
3 SDDA2 MD1
OUTP1 4 79
OUTP1
4 MD0
256FS
5
256FS
5
DGND 100
6 D
6
TXD1 TXD1
7 8 1 47
7 TXD1/PA4
RXD1 8 7 2 RXD1 48
8 RXD1/PA3
TXD0 TXD0
9 6 3 50
9 TXD0/PA1
RXD0 RXD0
10 5 4 51
10 RXD0/PA0
DGND
11
11
D + 5
RA3 R200 10K
EXBV8V@JV 112
CN1 PE13
111
LSPMUTE
53014-1110 PE12
110
XPINI PE11
108
D
+ 5 SETWD PE10
D
C202 C203 C204 C205 107
WP8 PE9
22pFs 22pFs 22pFs 22pFs
106
WP16 PE8
R3
105
PE7/TIOC2B
CN2
104
VP_CTL PE6/TIOC2A
1 10K 102
1 PE5/TIOC1B
2 89
2 PE4/TIOC1A
3
3
C104
53014-0310 0.1
D D
99
AN7/PF7
98
AN6/PF6
D 96
AN5/PF5
95
AN4/PF4
94
AN3/PF3
93
AN2/PF2
R7 92
AN1/PF1
SELV
10K 91
AN0/PF0
D
+ 5
D
C15
+ 5
D
0.1 100
AVCC
C14
D 0.1
97
AVSS
IC6D
TC7WU04F
D
D + 5
D R9
220 80
PLLVCC
3 5
C16
IC6B 0.1 82
PLLVSS
TC7WU04F
D D
R10
3.3K 81
PLLCAP
IC6A
TC7WU04F C17
470p
1 7
IC6C
R15 TC7WU04F R16 D
1M 100 7MCK
6 2 74
EXTAL
R17
470
72
XTAL
1 4
X1 C22
C21 MA-406@ 27p
27p 7.056MHz
D D
R18
XRST 1K
84
XRST RES
CN3
+ 5
53014-0510 D
D+5V
1
1
D+5V
2
2
DGND 3
3
DGND 4
4
RESET
5
5
C24 C25
D 0.1 330/6.3
To CN26 on MAIN B.
XTRST
C1 C3 C4
1/16 0.1 10/16
D + 5 D + 5 D + 5
D D D
C2
0.1
D
IC1
+ 5 C201
HD6437016E12F D
0.1 D
A21
32 1
XP0WAIT
*/IRQ7/A21
31 4
*/WAIT/IRQ6/A20
30 A19 2
PB7/A19 XP1WAIT
29 A18
PB6/A18
A17 IC201
22
PB1/A17
A16 TC7S08F
20 D
PB0/A16
19 A15
PC15/A15
A14
18
PC14/A14
A13
17
PC13/A13
A12
16
PC12/A12
15 A11
PC11/A11
14 A10
PC10/A10
A9
13
PC9/A9
A8
12
PC8/A8
11 A7
PC7/A7
10 A6
PC6/A6
A5
9
PC5/A5
A4
8
PC4/A4
A3
7
PC3/A3
6 A2
PC2/A2
5 A1
PC1/A1
A0
4
PC0/A0
D + 5
52 D15 D15 2 1
PD15/D15
D14 D14
53 3
PD14/D14
D13 D13
54 4
PD13/D13
56 D12 D12 5 RA4
PD12/D12
57 D11 D11 6 22K
PD11/D11
58 D10 D10 7 RCE9A@JA
PD10/D10
D9 D9
59 8
PD9/D9 + 5
D8 D8 D
60 9
PD8/D8
62 D7 D7 2 1
PD7/D7
63 D6 D6 3
PD6/D6
D5 D5
64 4
PD5/D5
D4 D4 RA6
66 5
PD4/D4
67 D3 D3 6 22K
PD3/D3
68 D2 D2 7 RCE9A@JA
PD2/D2
D1 D1
69 8
PD1/D1
D0 D0
70 9
PD0/D0
36
PA13/WRH
XWRL
38
PA12/WRL
XRD
34
PA14/RD
28 RDWR
PB5/IRQ3/RDWR
35
WDTOVF
RAS
24
PB2/IRQ0/RAS
CASH
26
PB4/IRQ2/CASH
25 CASL
PB3/IRQ1/CASL
CS3
44
*/PA7/CS3
45 CS2
*/PA6/CS2 CS2
40 CS1
PA11/CS1 CS1
CS0
41
PA10/CS0
D + 5
R14
42 CTS 10K
*/PA9/IRQ3
43 FRDY
FRDY
*/PA8/IRQ2
46
XP1INT
*/SCK1/IRQ1
49
*/SCK0/IRQ0 XP0INT
76
NMI
D
LDRQ EXBV8V@JV
87
*/PE2/DREQ1
88 RA7
*/PE3/DRAK1 + 5
D
2 10K
PE15/DACK1
85 4 5
*/PE0/DREQ0
86 3 6
*/PE1/DRAK0
1 2 7
*/AH/DACK0
1 8
83
CK/PA15
106p
WP16
107p
WP8
SH-2
(112p-QFP)
D
3 5
D + 5 IC7B
TC7W04F
D
R20
10K IC7A IC7C
1 7 6
+ 5
D TC7W04F TC7W04F
7 1
VCC NC
2
NC
3 R21
NC
220
8
NC
4 5
GND DLY
D
IC8 C26
1/50
M51953BFP
D
Q2
DTC114EUA
A[0..21]
D[0..15]
C[0..11]
C23
D + 5
0.1
D
IC7D
TC7W04F
D
2
XRST
XRST
D + 5
R22
220
1
XTRST
C27
0.1
1
Q1
DTA114EUA
D D
System
8M-Flash
(48P-TSOP)
IC3 LH28F800SGE-L70@
A19 D15
16 45
A18 DQ15
A18 17 43 D14
A17 DQ14
A17 D13
48 41
A16 DQ13
A16 D12
1 39
A15 DQ12
A15 D11
2 36
A14 DQ11
A14 3 34 D10
A13 DQ10
A13 4 32 D9
A12 DQ9
A12 D8
5 30
A11 DQ8
A11 D7
6 44
A10 DQ7
A10 D6
7 42
A9 DQ6
A9 8 40 D5
A8 DQ5
A8 D4
18 38
A7 DQ4
A7 D3
19 35
A6 DQ3
A6 D2
20 33
A5 DQ2
A5 21 31 D1
A4 DQ1
A4 22 29 D0
A3 DQ0
A3
23
A2
A2
24 9
A1 NC
A1 25 10
A0 NC + 5 + 5
D D
47
NC
CS0
26 13
CE VPP
XWRL
11 37
WE VCC
XRD
28
OE
WP8 14
WP
12 CS3
XRST RP
XRD
15 27
+ 5 RY/BY GND
D
46
GND
D D D
R6 C11 C12 C102
15K 1/16 10/16 0.1
D + 5 D + 5
FRDY
R38
3.3K
Q3
1
Q4 RN2421
DTC114EUA VPP
1
VP_CTL
R39
3.3K
R40
1K
D D
D
IC5 AS4C256K16E0-50JCTR
A1 D15
26 39
A8 I/O15
A3 D14
25 38
A7 I/O14
A5 24 37 D13
A6 I/O13
A7 23 36 D12
A5 I/O12
A9 D11
22 34
A4 I/O11
A8 D10
19 33
A3 I/O10
A6 D9
18 32
A2 I/O9
A4 17 31 D8
A1 I/O8
A2 16 10 D0
A0 I/O7
D1
9
I/O6
D2
11 8
NC I/O5
12 7 D3
NC I/O4
15 5 D4
NC I/O3
D5
30 4
NC I/O2
D6
3
I/O1
D7
2
I/O0
D + 5 D + 5 D + 5
20
VCC
6
VCC
RAS
14 1
RAS VCC
CASH 28
UCAS
CASL 29
LCAS
RDWR
13
WE
27 40
OE GND
35 WP16
GND
21
GND XRST
D
D D D
Work C18 C19 C20
0.1 1/16 10/16
4M-DRAM
(40P-SOJ)
A[0..21]
D[0..15]
Tone Prm.
16M-MaskROM
(44P-TSOP2)
Normal Bent
IC4
D15
1 31
NC */O15
A21 43 29 D14
A19 O14
A19 D13
2 27
A18 O13
A18 D12
3 25
A17 O12
A17 D11
34 22
A16 O11
A16 35 20 D10
A15 O10
A15 36 18 D9
A14 O9
A14 D8
37 16
A13 O8
A13 D7
38 30
A12 O7
A12 D6
39 28
A11 O6
A11 40 26 D5
A10 O5
A10 D4
41 24
A9 O4
A9 D3
42 21
A8 O3
A8 D2
4 19
A7 O2
A7 5 17 D1
A6 O1
A6 6 15 D0
A5 O0
A5
7
A4
A4
8
A3
A3 9
A2 + 5
D
A2 10
A1
A1
11 23
A0 VCC
+ 5
D
33
W/B
12
CE
14 13
OE/* GND
32
GND
44
NC
K3P5C1000D-TC
D
C13 C103
0.1 0.1
IC27 LH28F160S5T-L70@
A21 D15
4 52
A20 DQ15
A19 D14
5 50
A19 DQ14
A18 6 47 D13
A18 DQ13
A17 7 45 D12
A17 DQ12
A16 D11
8 41
A16 DQ11
A15 D10
10 39
A15 DQ10
A14 11 36 D9
A14 DQ9
A13 12 34 D8
A13 DQ8
A12 D7
13 51
A12 DQ7
A11 D6
17 49
A11 DQ6
A10 D5
18 46
A10 DQ5
A9 19 44 D4
A9 DQ4
A8 20 40 D3
A8 DQ3
A7 D2
22 38
A7 DQ2
A6 D1
23 35
A6 DQ1
A5 24 33 D0
A5 DQ0
A4 25
A4
A3
26 3
A3 NC
A2
27 29
A2 NC
A1
28 30
A1 NC
D + 5
32
+ 5 A0
D
15 R41
VPP
CS3 0
2
CE1
14
CE0
XWRL 55 9
WE VCC
XRD 54 37
OE VCC
31 43
BYTE VCC
D 53
STS
56 21
WP VSS
16 42
RP VSS
1 48
NC VSS
R42
D
15K C106
16M-Flash 1/16
D
(56P-TSOP)
XWRL
XWRL
XRD
XRD