Circuit Diagram (Main Pcb Assy) - Roland Va-3 Service Notes

Jan, 2001
1 2 3 4 5 6

CIRCUIT DIAGRAM (MAIN PCB ASSY)

A
B
R206
1Ks
MOD
C
IC47C
UPC4570G
-
+12V -12V
D
C235
C234
100nFs 100nFs
BENDER
REF
E
F
R154 100s
R151 100s
R153 100s
TOUCH1
TOUCH3
+12V -12V
TOUCH0
G
CN24
5VD
AMPC1-2720P R152 100s
TOUCH2
1 20
2 19 TOUCHY
3 18 TOUCHX
4 17
5 16
6 15
7 14
8 13
9 12
H 10 11
C188
47uF16s
TO LCD CONTR. B.
(CN5)
D
D
I
J
K
L
M
N
O
P
Q
R
S
T
U
7 8 9 10 11 12
5VREF
R41 R155
4K7s 4K7s
AN4 AN5
NIU
REF
REF
R211
100Ks IC47A
UPC4570G
2 5VREF D8
1 DA204K
TP1
3 - 1 2
TP
REF
AN7
R207
NIU 5VREF D7
DA204K
1 2
REF REF
AN6
5VREF
R210 IC47B
68Ks NIU UPC4570G AN5
R208
6
0s 7 5VREF D5
5 DA204K
-
1 2
R15 0s
REF
R209 AN0 AN4
68Ks NIU
5VREF D4
DA204K
REF 1 2
R202
REF NIU REF
AN3 AN3
5VREF
REF D3
DA204K
1 2
MODULATION AN7 REF
AN2
BENDER AN6
5VREF D2
DA204K
1 2
TOUCHY AN1
REF
TOUCHX AN2 AN1
R13 100s
R14 100s
REF REF REF REF AN0
R16 100s
C8 C7 C5 C4
R17 100s 100nFs 100nFs 100nFs 100nFs
C46 C47 C49 C50 AN4 DBEAM
NIU NIU NIU NIU
BEAM CONTR.BLOCK
DISP_CON
DBV
WVOUT
BCLK
XRST
XRST
KEYSCAN BLOCK
XRD
XRD XWRL
XWRL
RA12 XKEY
XKEY
4X100s XKEYINT
XKEYINT
RA13 XRST
XRST
4X100s 10MHz
10MHz
YD
8 1
7 2 LP
6 3 XSCL
5 4
8 1 XD0
7 2 XD1
XD2
6 3
5 4 XD3 A[0..1]
A[0..1]
D[0..7]
D[0..7]
MEMORY BANK BLOCK
D[0..15]
D[0..15]
A[0..21]
A[0..21]
XDWR
XDWR
XRAS
XRAS
XRD
XRD
XCASH
XCASH
XCASL
XCASL
XSTYLE
XSTYLE
XRST
XRST
XFLASH
XFLASH
XWRL
XWRL
RYBY
RYBY
WPCNT
WPCNT
SWAP_ROM
SWAP_ROM
RYBY2
RYBY2
WPCNT2
WPCNT2
IC40
TOUCH0 2 3 D0
Q1 D1
TOUCH1 5 4 D1
Q2 D2
TOUCH2 D2
6 7
Q3 D3
TOUCH3 9 8 D3
Q4 D4
DISPON 12 13 D4
Q5 D5
D5
15 14
Q6 D6
16 17 D6
Q7 D7
D7
19 18
Q8 D8
20 11
VCC CLK
10 1
GND CLR
74HC273
C193
5VD
100nFs
5VD
D
L51
EXCCL4532U1
5VD
C85
100nFs
R50 1Ks
C86 IC5
100nFs 1
VCC RES
2
NC
3
GND CAP
C87
100nFs M51953A
D
C88
100nFs
5VD
D
TP
TP11
TP
13 14 15 16 17 18
L4 EXCCL4532U1
L5 EXCCL4532U1
L6 EXCCL4532U1
5VD L7 EXCCL4532U1
L8 EXCCL4532U1
RA18 4X47s
RA19 4X47s
C1 RA20 4X47s
33uF25s
RA21 4X47s
RA22 4X47s
R52 47s
R51 47s
RA23 4X47s
D
RA24 4X47s
RA25 4X47s
RA26 4X47s
IC4
5VD HD6437034AE47F 5VD
D 1 8
C9 C10 C11 C12 C13 2 7
RA15 100nFs 100nFs 100nFs 100nFs 100nFs 3 6
8X10Ks
2 4 5
3 XGWAIT XGWAIT 56 82
CS7/WAIT MD2
4 XSTYLE XSTYLE 55 81 RA14
CS6 MD1
XRAS XRAS
5 54 80 4X10Ks D
CS5/RAS MD0
6 XCS4 XCS4 53
CS4
7 XCASL XCASL 51 107 RXD0
CS3/CASL PB8/TP8/RXD0
XCS2 XCS2 TXD0
8 50 108
CS2 PB9/TP9/TXD0
9 XCASH XCASH 49 109 RXD1
CS1/CASH PB10/TP10/RXD1
TP20 48 110 TXD1
CS0 PB11/TP11/TXD1
5VD
1 8
TP R54 100s
2 7
3 6 WPCNT2 105 47 1 8 A21
PB7/TOCXB4 A21
WPCNT2 A20
4 5 104 46 2 7
PB6/TOCXA4 A20
TP21 103 45 3 6 A19
PB5/TP5/TIOCB4 A19
RA46 4X10Ks 102 44 4 5 A18
D PB4/TP4/TIOCA4 A18
RYBY2 TP RYBY2 A17
1 8 101 42 1 8
PB3/TP3/TIOCB3 A17
2 7 100 41 2 7 A16
PB2/TP2/TIOCA3 A16
3 6 RDYCNTL RDYCNTL 98 39 3 6 A15
PB1/TP1/TIOCB2 A15
WVOUT WVOUT A14
4 5 97 38 4 5
PB0/TP0/TIOCA2 A14
37 1 8 A13
A13
RA16 4X10Ks 36 2 7 A12
A12
MODULATION A11
95 35 3 6
PC7/AN7 A11
BENDER 94 34 4 5 A10
PC6/AN6 A10
AFTER_TOUCH 93 33 1 8 A9
PC5/AN5 A9
DBEAM A8
92 32 2 7
PC4/AN4 A8
EXPRESSION 90 30 3 6 A7
PC3/AN3 A7
TOUCHY A6
89 PC2/AN2 A6 29 4 5
TOUCHX A5
88 28 1 8
PC1/AN1 A5
BALANCE 87 27 2 7 A4
PC0/AN0 A4
5VD 5VREF 26 3 6 A3
R94 A3
A2
0s 25 4 5
A2
86 24 A1
AVREF A1
85 23 A0
AVCC A0(HBS)
5VD RA5 C2
4X10Ks 10uF16s
C3
XGINT 10nFs D15
1 8 91 21 1 8
XIDEINT AVSS AD15 D14
2 7 20 2 7
R95 0s AD14
3 6 XFDCINT REF 19 3 6 D13
D AD13
XKEYINT XGINT D12
4 5 2 18 4 5
XIDEINT IREQ7/TP15 AD12 D11
1 17 1 8
RA35 IREQ6/TP14 AD11
5VD XFDCINT 112 16 2 7 D10
4X10Ks IREQ5/TP13/SCK1 AD10
XXP6INT D9
111 14 3 6
XDREQ1 XDREQ1 IREQ4/TP12/SCK0 AD9 D8
1 8 69 13 4 5
IREQ3/DREQ1 AD8
2 7 XDACK1 XDACK1 68 11 1 8 D7
IREQ2/DACK1 AD7
XXP6INT XLCDINT D6
3 6 67 10 2 7
XKEYINT IREQ1/DREQ0 AD6 D5
4 5 66 9 3 6
IREQ0/DACK0 AD5
5VD 8 4 5 D4
AD4
D3
R115 10Ks 76 7 1 8
5VD RA4 NMI AD3 D2
6 2 7
4X10Ks AD2
5 3 6 D1
AD1
XRD XRD D0
1 8 1 8 59 4 4 5
RD AD0
2 7 XWRH XWRH 2 7 58
PA5/WRH
3 6 XWRL XWRL 3 6 57
WRL
4 5 4 5
RA17
65 XFDCDEND
4X47s PA11/TIOCB1
64 FDCCONT
PA10/TIOCA1
XFDCRST
73 63
EXTAL PA9/IREQOUT/AH
62 WPCNT
PA8/BREQ
C18 X1 60 RYBY
PA7/BACK
12pFs 20MHz
MA-406
74
XTAL
C19
D R3 78
WDTOVF
12pFs 470s
20MHz 71 79 XRST
CK RESET
C76
10nFs
D
TP4
D
TP
niu
D
CONTROL BUS
A[0..21]
ADDRESS BUS
DATA BUS D[0..15]
EXCCL4532U1
5VD L9 C39 C40 C41 C42
100nFs 100nFs 100nFs 100nFs
5VD R108
10Ks
IC3 5VD 5VD
C38 M60205-0601FP
10uF16s
D R112
10Ks R8
A21 23 6 10Ks
A21 MIDI IN
A20
22 R7
A20
A19 21 4 47s
A19 WRHO
5 XDWR
WRLO
A5
20
A5
A4 19 25
A4 WAIT IN
A3 18
A3
A2
17 66
A2 PORT7
A1 16 65
A1 PORT6
A0 15 64
A0 PORT5
63
PORT4
D7 14 62
D7 PORT3
D6 13 61
D6 PORT2
D5
12 60
D5 PORT1
5VD D4 11 59
D4 PORT0
D3 10
D3
D2
9 3
D2 PWM 2
D1 8 67
D1 PWM 1
D0 7
D0
C192 EXENCB
69
100nFs ENC B
XRD 34 68 EXENCA
XRD ENC A
XWRH 35
D XWRH
XWRL XWRL SS3
IC39 36 74
XWRL SS3
5VD 73 SS2
SS2
31 72 SS1
TC7S32F XDREQ SS1
R6 10Ks SS0
1 32 71
XDACK SS0
4
2 XGWAIT 37 78 LS3
WAIT OUT LS3
LS2
77
R5 10Ks LS2
41 76 LS1
CS6 LS1
XCS4 39 75 LS0
CS4 LS0
XCS2
38
CS2
70 XSCNEN
D SSEN
5VD XGINT LLP
24 81
RA1 XIREQ LLCK
8X10Ks 55 89 SCD7 SCD7
ECS11 PD7
2 54 88 SCD6 SCD6
ECS10 PD6
SCD5 SCD5
3 51 87
ECS9 PD5
4 XLCD XLCD 50 86 SCD4 SCD4
ECS8 PD4
XPORT XPORT SCD3 SCD3
5 49 85
XFDC XFDC ECS7 PD3 SCD2 SCD2
6 48 84
ECS6 PD2
7 XKEY XKEY 47 83 SCD1 SCD1
ECS5 PD1
SCD0 SCD0
8 46 82
XFLASH ECS4 PD0
9 45
ECS3
44 90
ECS2 RS/CD
RA3
43 91
XFLASH ECS1 R/W
4X10Ks 42 92
ECS0 LE/RD
XIPCINT XIPCINT
1 8 58 100
XLCDINT XLCDINT EXTINT2 LCD 7
2 7 57 99
EXTINT1 LCD 6
3 6 56 98
EXTINT0 LCD 5
4 5 97
20MHz LCD 4
TP2 27 96
CLK IN LCD 3
10MHz 30 95
CLK OUT LCD 2
TP XRST
26 94
RESET LCD 1
niu R56 100s 93
LCD 0
XRST XIDXINT
R55
5 0s TP5
TP
4 SW1 D D
NIU TP
D
C43 C77
D
47pFs 10nFs
C75 RESET
220nF TP19
16V 5%
TP TP
5VD IC8
TP3 FL2 74HC74 TP
D
ELKS471FA FLAT
niu
1 3 367060074
SWAP_ROM
C83 D0
2 5
100nFs D1 Q1
3 IC6B
CLK1
1 6
D D CLR1 Q1
4 4
PR1
6
XWRL 1 D1 12 9 5
D2 Q2
4 11
CLK2
XPORT 2 13 8 74HC00
CLR2 Q2
IC7 10
PR2
TC7S32F
IC6D
D 12
11 MUTE
XRST 13
74HC00
C84
5VD 5VD
100nFs
L18
FL3
ELKS471FA
1 3
IC6E
C82 EXCCL4532U1
100nFs
1
2
D
74HC00
D
D D
19 20 21 22 23 24
TP7
TP
niu
D
IC43A TC7W34FU
5VD IC43B TC7W34FU
RA32
4X10Ks
1
RXD0 1 8
TXD0
2 7
RXD1 3 6
TXD1 4 5 6
IC44A TC7W34FU
1
5VD RXD0
TXD0 IC44B TC7W34FU
6
TXD1
RXD1 XRST
2
3
A21 4 RA6
A20 5
A19 8X10Ks
6
A18 7
A17 8
A16
9
+12V -12V
A15 2
A14
3
A13 4 XRST
A12 5 RA7 MIDI-A TX
A11 8X10Ks MIDI-A RX
6
A10 7 CN29 5VD
A9 8 AN3
AMPC1-2716P
A8
9
BCKC 1 16
SDDA1 2 15
3 14
OUTP1 4 13
A7 2 256FS 5 12
A6
3 6 11
A5 4 7 10 RXD0
A4 RA8 TXD0
5 8 9
A3 8X10Ks
6
A2 7
TO
A1 8 C69 C70
A
A0 XPGS4 B. 100uF25 100uF25
9
(CN1)
D
C231 C232
D15 100nFs 330uF6_3s
2 D
D14
3
D13 4 XRST
D12 RA9
5
D11 8X10Ks
6
FDC BLOCK
D10 7
D9
8
D8 XRD
9
XRD
XWRL
XWRL
XFDC
XFDC
XFDCINT
XFDCINT
D7
2
D6
3
D5 4 XDREQ1
XDREQ1
D4 RA10
5
8X10Ks
D3 6 XDACK1
XDACK1
D2 7 XFDCRST
XFDCRST
D1 XFDCDEND
8
XFDCDEND
D0 9 RDYCNTL
RDYCNTL
FDCCONT
FDCCONT
5VD XIDXINT
XIDXINT
XFDCDEND 1 8 RA11
FDCCONT
2 7 4X10Ks
RYBY 3 6 A[0..1]
A[0..1]
WPCNT 4 5
D D[0..7]
D[0..7]
XFDCRST
R4
D LCD CONTROLLER BLOCK
10Ks
XRD XD3
XRD XD3
XWRL XD2
XWRL XD2
XRST XD1
XRST XD1
XLCD XD0
XLCD XD0
10MHz YD
10MHz YD
XLCDINT
XLCDINT
LP
LP
XSCL
XSCL
A0
A0
D[0..7]
DISP_CON
DISPON DISP_CON
5VD
10Ks
R31
EXENCA 1 8
R32 10Ks EXENCB 2 7
3 6
R33 10Ks 4 5
4X100s
L21 BK2125HM102 RA45
R34 NIU L22 BK2125HM102
L23 BK2125HM102
R35 NIU L24 BK2125HM102
L25 BK2125HM102
NIU L26
R36 BK2125HM102
L27 BK2125HM102
L28
BK2125HM102
L29 BK2125HM102
D
SCD7
SCD6
SCD5
SCD4
SCD3
SCD2
SCD1
SCD0
LLP
5VD
C21 C25 C26 C27
D
22pFs 22pFs 22pFs 22pFs
2 C20 C22 C23 C24 C28
3 22pFs 22pFs 22pFs 22pFs 22pFs
4
5 RA2
8X10Ks
6
7
8
LS3
9
LS2
LS1
LS0
SS3
SS2
SS1
SS0
XSCNEN
C30 C34 C35 C36
D
22pFs 22pFs 22pFs 22pFs
C29 C31 C32 C33 C37
22pFs 22pFs 22pFs 22pFs 22pFs
L30 BK2125HM102
L31 BK2125HM102
L32 BK2125HM102
L33 BK2125HM102
L34 BK2125HM102
L35 BK2125HM102
L36 BK2125HM102
L37 BK2125HM102
L38 BK2125HM102
5VD
L53
EXCCL4532U1
IC6A IC6C IC43D IC44D IC44C
TC7W34FU TC7W34FU TC7W34FU
9
3 8
10 3 5
C186
100nFs
74HC00 74HC00
D
D
VA-3
25 26 27 28 29 30
R178
100s
7 IC43C TC7W34FU
3 5
R179
100s
2
D
R181
OUTP1
100s
7 256Fs
R182
SDDA1
100s
2 BCKC
C224
C220 22pFs NIU
22pFs NIU
C221 C223
22pFs NIU 22pFs NIU
D
5VD
CN9
AMPC1-2720P
SDDA1
20 1
19 2 BCKC
18 3 OUTP1
17 4
XRST 16 5 256Fs
15 6 SCD7
LSSC7
14 7
R203 13 8 MUTE
100s 12 9
11 10
TO JACK B.
(CN6)
L1
NIU
XSTYLE
5VD
D
C71
100uF16s
C201
47uF16s
D
CN28
A21
1
1 A20
2
2
3 A9
3
A10
4
4 A11
5
5
6 A12
6
A13
7
7 A14
8
8
9 A15
9
A16
10
10
11 A17
11
12 A19
12
XWRH
13
13
14 XWRL
14
15 XDWR
15
16
16
17 XRD
17
18 D0
18
D8
19
19
20 D1
20
21 D9
21
D2
22
22
23 D10
23
24 D3
24
D11
25
25
26
26
27 A18
27
A8
28
28
29 A7
29
30 A6
30
A5
31
31
32 A4
32
33 A3
33
A2
34
34
35 A1
35
36 A0
36
XCASH
37
37
38 XCASL
38
39
39
40
40
41 XRAS
41
42 D15
42
D7
43
43
44 D14
44
45 D6
45
D13
46
46
47 D5
47
48 D12
48
D4
49
49
50
50
52411-0501
D
5VD
SCD7 SCD6
1 14
SCD5 2 13 SCD4
TO CONTROL B.
SCD3 3 12 SCD2
SCD1 SCD0
4 11 (CN1)
LLP 5 10
6 9
7 8
CN4
C93 AMPC1-2714P
33uF25s
D
CN1 5VREF
AMPC1-2720P
LS3
1 20
LS1 MOD
2 19
SS3 3 18 BENDER
SS1 TO CONTROL B.
4 17
XSCNEN LS2
5 16
EXENCB 6 15 LS0 (CN3)
SS2
7 14
8 13 SS0
9 12 LSSC7
EXENCA
10 11
5VD
REF
C202
33uF25s
D
17