Circuit Diagram(Sub-2) - Roland V-Synth Service Notes

Mar.2003

CIRCUIT DIAGRAM(SUB-2)

fig.sub-2
+5
C80 D
LS[0..3]
0.1
IC15
LD[0..7]
D HD74HC138FPEL
3 7
LS2
C Y7
LS1 2 9
B Y6
1 10
LS0
A Y5
11
D + 5 Y4
12
Y3
5 13
G2B Y2
LS3 4 14
G2A Y1
6 15
G1 Y0
D + 5
R149 R158
D
33 33
R151 R155 R156 R157
33 33 33 33
C126
470/16
D
LD7
LD6
LD5
LD4
LD3
LD2
LD1
LD0
R67 R68
68 15
1 1
D D
Q12 Q13
DTC114EUA DTC114EUA
SS[0..2]
+ 5
D
C89
0.1
SD[0..7]
IC16 RA23
D HD74HC138FPEL 10
SS2 3 7 4 5
C Y7
2 9 3 6
SS1
B Y6
SS0 1 10 2 7
A Y5
11 1 8
+5 Y4
D 12 4 5
Y3
5 13 3 6
G2B Y2
4 14 2 7
G2A Y1
6 15 1 8
G1 Y0
RA24
10
D
C90 C92 C94
100p 100p 100p
C91 C93
100p 100p
RA5
1 2 SD7
3 SD6
4
SD5
D + 5
5 SD4
6 SD3
7 SD2
8 SD1
10 9
SD0
10k
C98 C100 C102
100p 100p 100p
C99 C101
100p 100p
+5
D
R152 1
L55 D3
SBC3-221-681 RB411D
R105 1
1 3
R150 R153 R154
R108
33 33 33
IC20 R106
180
8 1 4.7k
CD CS
7 C120
IPK
2 R109 22/35
ES
18k
VR1A
6
VCC 10KB
5
VIN-
EVUE20@
C122
C121
560p
470/16 4 3 R111
GND CT
1k
NJM2360M
D D D D D
65
LLS7
LLS6
LLS5
LLS4
LLS3
LLS2
LLS1
LLS0
1 1 1 1 1 1 1 1
Q26 Q27 Q6 Q7 Q8 Q9 Q10 Q11
RN2426 RN2426 RN2426 RN2426 RN2426 RN2426 RN2426 RN2426
C128 C129 C83 C84 C85 C86 C87 C88
100p 100p 100p 100p 100p 100p 100p 100p
D
LLD7
LLD6
LLD5
LLD4
LLD3
LLD2
LLD1
LLD0
R69 R70 R71 R72 R73 R74
15 68 68 68 68 68
1 1 1 1 1 1
D D D D D D
Q14 Q15 Q16 Q17 Q18 Q19
DTC114EUA DTC114EUA DTC114EUA DTC114EUA DTC114EUA DTC114EUA
D +5
L66 N2012Z601T02
R147
C2
C1 R148
TEMPO R124
LLD6
LLD5
LLD4
LLD3
LLD2
LLD1
LLD0
LLS3
LLS2
SSS7 LLS1
SSS6 LLS0
SSS5
SSS4
SSS3
SSS2
SSS1
SSS0
SD3
SD2
SD1
SD0
SSS5
C96 D SSS4
100p
SSS3
C95 C97 SSS2
100p 100p SSS1
SSS0
SD7
SD6
SD5
SD4
+
SD3 R125
AN1
SD2 R126
DBPLS_IN
SD1 AN_SELB0 R127
SD0
L56 N2012Z601T02
- L57 N2012Z601T02
D L58 N2012Z601T02
C104
D
100p
C103 C105
100p 100p
+
C76
100/25
C77
100/25
CN8
D +5
- 1
1
2
2
3
3
4
to MAIN
4
C78 5
VR1B
5
100/25 6
EVUE20@ 6
7
EVUE20E15B14 7
R107
B7B-XH-A
2.2k
D
Q25
2 1
2SC4081
D
CN6
LCDVEE 10
10
R114 9
9
33k LCD_X R119 0 8
8
C123 LCD_Y R120 0 7 to Relay board
7
NIU R121 0 6
XY_SELB0
+ 5 + 6
D XXY_SELB0 R122 0 5
5
4
4
3
3
D D 2
2
1
1
D L16 N2012Z601T02
B10B-PH-K-S
L17 N2012Z601T02
L18 N2012Z601T02
CN9
PAD_X R131 0 8
8
PAD_Y R132 0 7
7
XY_SELB0 R133 0 6 to PAD board
D +5 + 6
XXY_SELB0 R134 0 5
5
4
4
3
3
2
2
1
1
D L28 N2012Z601T02
B8B-PH-K-S
L29 N2012Z601T02
L30 N2012Z601T02
AN_SEL[0..3]
IC14E
TC74HC08AF(EL)
+5
C64 D
100/25
D + 5 R51
82k
D
C63
R52
L9 0.1 L8
33k
N2012Z601T02 N2012Z601T02
D
4 2
4 R55
Bender unit 3
3
2 R143 0 33k 3
MOD_IN
2
to PB-H0203 1 R144 0 BEND_IN
1
R57
CN5
33k C67
B4B-PH-K-S
0.01
D
+ 5 R59
D
120k
R60
33k
+
D
6
R63
33k
5
-
C72
0.1
+
IC10C
NJM2904M R65 C73
68k 0.01
D
D
CN11
15
15
0 14 CN13
to Panel-R
14
0 13 LLD7 12
13 12
0 12 LLD6 11
12 11
11 LLD5 10
11 10
10 LLD4 9
10 9
9 8
LLD3
9 8
8 LLD2 7
8 7
7 LLD1 6
7 6
6 LLD0 5
6 5
5 LLS7 4
5 4
4 3
LLS6
4 3
3 LLS5 2
3 2
2 LLS4 1
2 1
1
1
to Panel-L
B12B-PH-K-S
B15B-PH-K-S
CN14
15
CN12 ENC_A 15
14
ENC_B 14
10 SD7 13
10 13
9 12
SD6
9 12
8 SD5 11
8 11
7 SD4 10
7 10
6 SD3 9
6 9
5 SD2 8
5 8
4 7
SSS7 to Panel-R
4 7
3 SSS6 6
3 6
2 SSS5 5
2 5
1 SSS4 4
1 4
to Panel-L SSS3 3
3
2
SSS2
B10B-PH-K-S 2
SSS1 1
1
CN7 B15B-PH-K-S
+ 5 +
D
0 8 L39 N2012Z601T02
8
0 7 L67 N2012Z601T02
7 CN10
0 6 L40 N2012Z601T02
6
5 10
5 10
4 9
4 9
3 8
3 8
2 to Panel-L D 7
2 7
1 AN7 R135 0 6
1 AN7 6
R136 0 5
AN6
AN6 5
AN5 R137 0 4 to Panel-R
B8B-PH-K-S AN5
4
AN_SELB2 R139 0 3
3
AN_SELB1 R140 0 2
2
AN_SELB0 R141 0 1
1
B10B-PH-K-S
+5
D
R123
1
3 AN_SELB3
2
AN_SEL3
0
IC14A
TC74HC08AF(EL)
D + 5 R128
4
IC8
6 AN_SELB2
NIU
AN_SEL2 5
0
IC9
IC14B
4 3 6
TC74HC08AF(EL) 7 COM
C79 2
6
5 7
0.1
R129 5 D + 5
9 1
4
8 12 16
AN_SELB1
3 VCC
AN_SEL1 10 15
2
0 14 C66
IC14C 1
13
D TC74HC08AF(EL) NIU
0
8
GND
9
AN_SELB2
R130 C
12 AN_SELB1 10
B
11 AN_SELB0 AN_SELB0 11
A
13 6 7
AN_SEL0
INH VEE
0
IC14D
NIU
TC74HC08AF(EL)
D
IC11
4 3
7 COM
C2 2
6
5
C1
5 + 5
TEMPO 1 D
4
PEDAL2 12 16
3 VCC
PEDAL1 15
2
HOLD 14 C70
1
13
0.1
AFT_IN 0
8
GND
AN_SELB2 9
C
AN_SELB1 10
C65
B
AN_SELB0 11
NIU A
6 7
INH VEE
R53 HD74LV4051AFPEL
+5
100k D
R54 D
- 10k
1 1
IC12
+ R56
IC10A Q2 BEND 3 4 AN3
470
2SC4081 1Z ZCOM
NJM2904M MOD 5 15 AN2
0Z YCOM
PAD_Y 1 14 AN0
1Y XCOM
PAD_X 2
0Y +5
C68 13 D
LCD_Y
R58 1X
0.01 LCD_X 12 16
2.2k
0X VCC
C71
D D
0.1
8
GND
C69 9
NIU C
10
B
AN_SELB0 11
A
R61 6 7
INH VEE
47k D +5
HD74LV4053AFPEL
R62
- 10k
7 1
R64 D
+
IC10B Q3
470
2SC4081
NJM2904M
IC13C IC13A
TC7W04F TC7W04F
R66 C74 AN_SELB0 6 2 1 7 XY_SELB0
2.2k 0.01
IC13B
TC7W04F
D D
3 5 XXY_SELB0
to CN7
AN_SELB0
DA1
D +5 D +5 MA147-(TX)
2
R80
0 2 R77
R81
-
PEDAL2 1 100k
0
3
+
IC18A
BA10324AF
C108
C107
NIU 0.1
D D
DA4
D +5 D +5 MA147-(TX)
2
R90
0 6 R91
R88
-
PEDAL1 7 0 100k
5
+
IC18B
BA10324AF
C110 C111
NIU 0.1
D D
DA6
D + 5 D + 5 MA147-(TX)
2
R95
0 9 R96 R94
-
HOLD 8 0 100k
10
+
IC18C
BA10324AF
C116 C117
NIU 0.1
D D
+
13
- -
14 C119
12 0.1
+ +
IC18D IC18E
BA10324AF BA10324AF
TER1 TER2
D
1 4 1 4
2 3 2 3
M1698 M1698
D D D D
V-SYNTH
D + 5
C62
NIU
D
3
CH1 VEE
1 AN4
COM AN4
5 AN_SELB3
CH0 A
2
INH
D
R146
0
AN3
AN2
AN0
D +5
IC13D C75
0.1
TC7W04F
D
D +5
1
D R78
270 JK2
LGR4609-7100
L70 601 2
4
R82
L71 601 3
470 1
C109
0.1
D D
D +5
1
D R89
270 JK3
LGR4609-7100
L78 601 2
4
R92
L79 601 3
470 1
C112
0.1
D D
D + 5
R104
1 270
D
JK4
LGR4609-7100
2
L80 601
4
R97
L81 601 3
1k 1
C118
0.1
D D
66