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

Jan, 2001
1 2 3 4 5 6
A

CIRCUIT DIAGRAM (JACK PCB ASSY)

B
C
D
-
UPC4570G
IC7C
+
5VD
D7
E DA204K
3
R116
L5
10Ks
FBR07HA850TB-00
R117
3 6
-
AN3
7
2 5
+
1 0s 5VD
L12
R118 UPC4570G 5VD
JK4
FBR07HA850TB-00
HLJ052001010 100s IC7B
C116
F
100nFs
Q10
2
DTA114EK
2
3
D D
1
D
G
2
-
1
3
+
IC7A
H UPC4570G
D
I
J
R52
22Ks
R38
2
1Ks
K
C70
3
100nFs
D3
DA204K
D
L
JK5
YKF51_5054
R29
1 1
220s
L2 2
M 2 1 4 3
D5
4
DAN202K
3 2 3 3
4
SBT0160W
5
6 L3 R32
1 4
2SC2412K
220s
2 3
N Q7
3
R31
SBT0160W
2
220s
1
2SA1037K
C37
100nFs
L4 Q6
3 D
SBT0460 5VD 2
1
D R30
O
22Ks
P
5VD R39
0_22OHM 1W
D2
SFPB_56
IC6
8 1
CD CS
7 2 2
SI ES
6 3
Q V+ CT
4 5
GND INV
C49 NJM2360M
100uF16 FLAT
R41
22Ks
D
R40
C50
100nFs 2K2s
R
C48 C47
390 pF 560pFs
5% np0 5% np0
D D
L11
RCH-875-151K
S
L12 150uH 180uH
C29 680pF 560pF
T
U
7 8 9 10 11 12
VCC
IC19
VCC
TA7805F
C114
1 3
IN OUT
47uF16
C117 C120
5VD 10uF16 0.1
C73
D NIU
C115
R88
47uF16
A
NIU
10 1/2W
-VCC R89 DA+5V
C51
C74
C75 C77 NIU
10uF16
C76
100nFs 10uF16
R90
100nFs
R91
D A 12Ks
R119 12Ks
IC11
4K7s
2
AK4324 -
3
+
DTC144WS R65 R66
C82
Q11 0s NIU R64 R68
12
DEM1 NIU
11 24 12Ks 12Ks
DEM0 DZFL
DADIF2 15
DIF2
R72 R73
14 19
NIU DIF1 AOUTL+ A A
0s DADIF0
13
DIF0
18
AOUTL-
SDDA1 7 C83
SDATA
OUTP1 NIU
8 17
LRCK AOUTR+
BCKC 6
BICK
16
AOUTR-
R75
MUTE 5
PD
R77 12Ks
9 23
SMUTE DZFR
10 12Ks
DFS
256fs 4 21 6
MCLK VREF -
3
CKS
5
+
C87
100nFs R81 R84
12Ks C88
12Ks
NIU
A A
C67
D A
100nFs
5VD
SCD7
3
Q8
1 2SC2412K
5VD
LSCC7
CN6
AMPC1_2720P
VCC -VCC
SDDA1
20 1
BCKC
19 2
MIDI-A TX 18 3 OUTP1
MIDI-A RX 17 4
XRES 256fs
16 5
AN3 15 6 SCD7
14 7 LSSC7
MUTE
13 8
12 9
11 10
A D
6N137
TO MAIN BOARD
5VD
IC3
R36
(CN9)
8
NC VCC
7
LA EN 3K3s
MIDI-A RX
6
LC OUT
5VD
5
NC GND C38
100nFs
R35
10Ks
D
MIDI-A TX
6 5
IC4C
74HC04
R34
TXD FLAT
10Ks
R33
4 3 XRES
22Ks IC4B
74HC04
FLAT
D6
DAN202K 1 2
-VCC
IC5
79L12
TO-92 TP8
1 2 3
IN OUT
TP
R42
2K2s C45
470uF16
C44 C43
100nFs 100nFs
D A A
C46
1000uF25
CN4
53014-0310
1
2 2
3
TO LCD CONTROL B.
(CN4)
13 14 15 16 17 18
DA+5V
C119
0.1
IC14A
C78 C79
AMZ_1200pF 2 100uF16
C80 -
1
1 3
+
NJM5532MD
R92 R93
R114
8K2s 8K2s
IC10A 100Ks
100uF16 R69 C81
NJM5532MD AMZ_560pF
100Ks
A A A
IC14B
C61 C84
AMZ_1200pF 6 100uF16
-
C85 R78
7
7 5
+
NJM5532MD
R79 R115
IC10B
100uF16 R85 8K2s 8K2s C86 100Ks
NJM5532MD
100Ks AMZ_560pF
A A A
VCC VCC
C89 C90
100nFs 100nFs
- -
+ IC10C + IC14C
A NJM5532MD A NJM5532MD
C97 C99
100nFs 100nFs
-VCC -VCC
VCC 12VA
Q1
3 2
2SC2882
R2
C56 4K7s
47uF16 C6
47uF16
A
CN3
12VA
5045_09A
1
+12V
5VA R105 5VD 2
NC
NIU 3
NC
4
NC
5 from POWER AMP.B.
+5V
6 (CN3)
+5V
7
DGND
8
DGND
9
AGND
L6 C72 C57
100uF25 100uF16
EXCCL4532U1 NIU
C60
1000uF16 NIU
L10
EXCCL4532U1 NIU
A D
5VD
L7
EXCCL4532U1
C66
TP6
100nFs
TP
TP7
TP
VR1
IC4G
RK09D111
74HC04 D
FLAT
D
19 20 21 22 23 24
Q9
2SA1037K
1 3
R13
47Ks R12
220KS
R15
Q5
2SC2412K
3 47Ks
2 C113
3u3F50
R14 1
47Ks 3
MUTE 2
1 A A
Q4
R11 2SC2412K
100KS
A
D
C20 C15
82pFs 82pFs
IC2A
BA5218FP
R21 R9 FLAT
R20 12Ks R53 10Ks
C22 C18
12Ks 10Ks
10uF16BP
10uF16BP
2 2
1 1
L
3 3
- -
C14
IC9A
R24 10uF16BP
BA5218FP
8K2s
A FLAT A
R55
100Ks
A
R
C19 C13
82pFs 82pFs
R63
R19 R8
R18 12Ks R54 10Ks
100Ks
12Ks C21 10Ks
10uF16BP
6 6
7 7
5 5
A
- -
C12 C16
IC9B IC2B
10uF16BP 10uF16BP
A BA5218FP BA5218FP
A A
FLAT FLAT
R23
8K2s
CN1
53014-0610
-VCC
to master volume
FLAT
IC9C IC2C
BA5218FP BA5218FP
- -
VCC -VCC VCC -VCC
FLAT
C55
100nFs
C54 C71
C53
100nFs 100nFs
100nFs
A A
C25
10uF16
L
CD In Level
4
1
3
A
C26
VR2 10uF16
RK09K12A0A2AA
R
TP3
C62 100nFs
TP
TP4
C63 100nFs
TP
TP5 FIX1
C64 100nFs
TP
FIX2
1 2
A
IC4A
74HC04
FLAT
D A D D
VA-3
25 26 27 28 29 30
12VA
R62
1Ks
D1 C112
BZX79C5V1 NIU
A
CN2
5045_04A
R50 560s
4 AGND
3 ROUT TO POWER AMP. B.
R51 560s
2 LOUT
(CN2)
AGND
1
A
FL1 JK2
R57
1Ks R87 ELKS471FA
HLJ0520_01_110
1 3 2
3
2 680s 1
3 L/M
Q3
L8
1 2SC2878
A
EXCCL4532U1
R56
1Ks
R60 A A
1K8s NIU
R58 FL2 JK1
A
1Ks R86 ELKS471FA HLJ0520_01_110
1 3 2
3
2 680s 1
R
3 Q2
L9
1 2SC2878 A
R59 EXCCL4532U1
1Ks
A A
R61
1K8s NIU
A
R10
220Ks
BA5218FP
IC18C
-
VCC -VCC
C106 C107
100nFs 100nFs
A
C108
IC18A
4u7F16
BA5218FP
3
1 FL4 JK3
2 ELKS471FA
R101 3 1 2
100Ks L
R25
R96 R97 100Ks
A
22Ks
10Ks 1
C109
FL5
A
4u7F16
C111 ELKS471FA
A
R
82pFs 3 1 3
IC18B
BA5218FP
5 R26
100Ks
7 R100 YKC21_3035
100Ks L1
6
EXCCL4532U1
A A
R99
R98 A A
10Ks 22Ks
C110 A
82pFs
9 8
IC4D
74HC04
FLAT
11 10
IC4E
74HC04
FLAT
13 12
IC4F
74HC04
FLAT
D
25