Roland Va-3, Service Notes

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A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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27
11
VA-3
Jan, 2001
CIRCUIT DIAGRAM (
CONTROL
PCB ASSY)
ALL DIODES IN THIS SHEET ARE 1N4148
ALL TACTS SW IN THIS SHEET ARE EVQ-PAE05R
Max Nr 88 Leds
Used Nr .. Leds
Used Nr .. Switches
Max Nr 120 Switches
ALL GREEN LEDS IN THIS SHEET ARE TLHG_4401
ALL RED LEDS IN THIS SHEET ARE TLHR_4401
OR L53SRD-D
BANK1 BANK2 BANK3 BANK4 BANK5 BANK6 BANK7 BANK8
GROUP
A/B
SUPER TONES 1 STYLE
USER PROGRAM
TONE DATA TEMPO DBEAM
ON/OFF
MELODY INTELL
PIANO
EFFECTS
ONE TOUCH SYNC FUNCT MENU
OTHER ARRANG USER PRG DW ORCHESTRATOR USER PRGM UP
INTRO ORIGINAL FILL VARIATION ENDING START/STOP
BEAT
1
BEAT
2
BEAT
3
BEAT
4
DISK OTHER ARRANG PIANO
INTRO ORIGINAL FILL VARIATION ENDING
VIRTUAL BAND SONG/COMP
DBEAM ON/OFF
BOARD
TO DBEAM BOARD
(CN1)
TO CPU BOARD
TO MAIN BOARD
SCD0 SCD1
SCD2 SCD3
SCD4 SCD5
SCD6 SCD7
LLP
SS0
SS1
SS2
SS3
SSEN
EXENCA
EXENCB
SUPER TONES 2
SUPER TONES 3 SUPER TONES 4
SUPER TONES 5
SUSTAIN
FOOTSWITCH
START/STOP SYNC
GROUP A EFFECTS STYLE USER PGM TONE DATA TEMPO/TAP
SUPER TONES 1 ONE TOUCH MELODY INT
GROUP B
SUPER TONES 2 SUPER TONES 3 SUPER TONES 4 SUPER TONES 5
BEND
TO BENDER
MOD
REFGND
MOD
BEND
REFGND
REF5V
1
2
3
4
GRN
BLEU
ORG
RED
YEL
1 2
MODULATION
BENDER
BRWN
SCD7
LSSC1
LED_A
LED_K
(CN4)
(CN1)
SCD1
SCD2
LD2
LSSC0 SCD3
SCD3 LD4
SCD2
LD6
LD7
LLP
LSSC0
LSSC6 LSSC6
LSSC7
LSSC7
LLSC8
LLSC9
LLSC10
LS3
LS0 LLSC8
LS1 LLSC9
LS2 LLSC10
SCD1 SCD2 SCD3
LD2 LD4 LD6 LD7
SS0
SS1
SCD7
SCD7
SCD7
SCD4
SCD4
SCD4
SCD6
SCD6
LLSC11
SCD0
SCD0
LSSC1
SCD5
SCD5
SCD5
LLSC11
LD0
LD0
LD1
LD1 LD3
LD3
SCD0
LS0
LSSC7
LS1
SCD6
SCD1
LSSC1
ENCA0
LSSC5
SSEN
SS3
LS3
ENCB0
LD5
LD5
LS2
SS2
BENDER
MOD
LLP
LSSC5
LS[0..3]
LLSC[8..11]
SCD[0..7]
LD[0..7]
D
D
D
D
D
D
5VD
5VD
5VD
VLED
VLED
VLED
5VD
VLED
D
D
VLED 5VD
5VD
D
D
5VD
D
5VD
D
D
5VD
5VREF
REF
5VREF
5VREF
5VREF
REF REF
REF
REF D
D
D
C4
100nF
C9
100nF
D3
1
2
SW3
D4
1
2
SW4
D5
1
2
SW5
D6
1
2
SW6
D7
1
2
SW7
D8
1
2
SW8
D10
1
2
SW10
D11
1
2
SW11
D12
1
2
SW12
D13
1
2
SW13
D14
1
2
SW14
D15
1
2
SW17
D34
1
2
SW19
D35
1
2
SW20
D36
1
2
SW21
D37
1
2
D38
1
2
SW23
D46
1
2
SW24
D47
1
2
SW25
D48
1
2
SW26
D49
1
2
SW27
D50
1
2
SW28
D51
1
2
SW29
D62
1
2
SW32
D63
1
2
SW33
D64
1
2
SW34
D65
1
2
SW35
D66
1
2
SW36
D67
1
2
SW37
Q1
RN2227
3
1
2
Q2
RN2227
3
1
2
Q3
RN2227 3
1
2
C1
100nF
IC2
74HC574
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
11
1
20
10
D1 Q1
D2 Q2
D3 Q3
D4 Q4
D5 Q5
D6 Q6
D7 Q7
D8 Q8
CLK
OC
VCC
GND
IC1
TD62593AP
10
9
8
7
6
5
4
3
2
1
11
12
13
14
15
16
17
18
NC
GND
I7
I6
I5
I4
I3
I2
I1
I0
O7
O6
O5
O4
O3
O2
O1
O0
IC5
74HC138
1
2
3
6
4
5
15
14
13
12
11
10
9
7
16 8
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
VCC GND
D1
1
2
SW1
D2
1
2
SW2
IC3
74HC138
1
2
3
6
4
5
15
14
13
12
11
10
9
7
16 8
A
B
C
G1
G2A
G2B
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
VCC GND
SW22
SW15
SW30
D52
1
2
SW31
D53
1
2
CN2
53015-0410 NIU
3
4
2
1
Q4
RN2227 3
1
2
SW9
D9
1
2
R2
100I
0.6W
C5
33uF16
CN1
AMPC1-2714P
3
4
5
6
7
2
1
8
9
10
11
12
13
14
C2
33uF16
C3
470uF16
R10
27I
0.6W
D33
1
2
SW18
SW38
D68
1
2
A
B
COMM
ENC1
EVQ-VEMF01-24B
R14
100
C7
10nF
5% P.5
R12
100
R13
10K
R11
10K
C6
10nF
5% P.5
C8
100nF
IC4G
74HC14
14
7
IC4C
74HC14
5 6
IC4E
74HC14
11 10
IC4F
74HC14
13 12
IC4D
74HC14
9 8
IC4A
74HC14
1 2
SW16
D32
1
2
D31
1
2
IC4B
74HC14
3 4
D16
red
1 2
D17
red
1 2
D18
red
1 2
D24
red
1 2
D39
red
1 2
D25
red
1 2
D26
red
1 2
D27
red
1 2
D28
red
1 2
D43
red
1 2
D29
red
1 2
D19
red
1 2
D20
red
1 2
D21
red
1 2
D44
red
1 2
D22
red
1 2
D54
red
1 2
D58
red
1 2
D59
red
1 2
D60
red
1 2
D23
red
1 2
D30
red
1 2
D45
red
1 2
D61
red
1 2
R3
100I
0.6W R4
100I
0.6W R5
100I
0.6W R6
100I
0.6W R7
100I
0.6W R8
100I
0.6W R9
100I
0.6W
D55
green
1 2
D56
green
1 2
D57
green
1 2
D42
red
1 2
D41
red
1 2
D40
red
1 2
R26
NIU
R25
100
FL2
2
1 3
FL3
2
1 3
FL4
2
1 3
FL5
2
1 3
FL6
2
1 3
CN4
53015-0610
3
4
2
1
5
6
R23
NIU
R18
10K
CN3
AMPC1-2720P
3
4
5
6
7
8
2
1
9
20
19
18
17
16
15
14
13
12
11
10
R1
100K
C10
100nF