Korg Volca Bass, Service Manual

Page: 4 / 23

1
1
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2
3
3
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4
5
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7
7
8
8
D D
C C
B B
A A
DRAWN DESIGNED CHECKED MODEL:
TITLE:
DRAWING NO: DATE:
APPROVED
MARK REVISAL REASON DATE REVISED APPROVED
X-12210
PANEL SCHEMATIC 1/1
KLM-3200
2013/03/20 KOD-A30996
Takahashi
Tatsuya
LED MATRIX
CE: 0.1uF Z
L: BLM18BD102SN1D (S)
D: 1SS355ST(A)
WD: MC2840-T112-1 (S)
NPN: 2SC1623-T1B-A<L6/L7>(S)
PNP: 2SA812-T1B-A M5-7 M6 RANK(S)
FET: 2SK433-T112-1E (S)
All ceramic capacitors are K rank unless specified otherwise
CY8C20436A-24LQXIT
P0[1]
1
P2[7]
2
P2[5]
3
P2[3]
4
P2[1]
5
P3[3]
6
P3[1]
7
P1[7]
8
P
1
[5
]
9
P
1
[3
]
1
0
P
1
[1
]/
S
C
L
1
1
V
S
S
1
2
P
1
[0
]/
S
D
A
1
3
P
1
[2
]
1
4
P
1
[4
]
1
5
P
1
[6
]
1
6
SRES
17
P3[0]
18
P3[2]
19
P2[0]
20
P2[2]
21
P2[4]
22
P2[6]
23
P0[0]
24
P
0
[2
]
2
5
P
0
[4
]
2
6
P
0
[6
]
2
7
V
D
D
2
8
P
0
[7
]
2
9
P
0
[5
]
3
0
P
0
[3
]
3
1
V
S
S
3
2
VSS
33
IC301
PSoC
3.3VD
C306
1u Z C304
1u Z
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
VCC
16
GND
8
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
SN74LV138APWR
IC300
PNL_SS1
PNL_SSA
PNL_SSB
PNL_SSC
C302
CE
3.3VD
R301
47 R302
47 R303
47
DT310
DT304 DT303 DT302
DT312
DT320
3.3VLED
DT322
LED_GND
red: KPTR-3216SURCK
LED338 LED336 LED334
LED329 LED327 LED324
LED319 LED316 LED314
LED308 LED306 LED303
R300
47
DT300
LED332
LED321
LED311
LED300
DT323
DT324
LED339 LED337 LED335
LED330 LED328 LED325
LED333
LED322
DT313
DT314
LED320 LED317 LED315
LED309 LED307 LED304
LED312
LED301
P
N
L
_
S
S
2
P
N
L
_
S
S
3
P
N
L
_
S
S
4
P
N
L
_
S
S
5
P
N
L
_
S
S
6
P
N
L
_
S
S
7
PNL_SS0
PNL_SSA
PNL_SSB
PNL_SSC
PNL_LD0
PNL_LD1
PNL_LD2
PNL_LD3
PNL_LD1
PNL_LD2
PNL_LD3
PNL_LD4
PSoC_SCL
PSoC_RST
PSoC_SDA
1
slide315
S
L
ID
E
1
3.3VD
R315
NU R317
NU R316
4.7K
C308 CE
R309
0
R311
0
PSoC_SCL
PSoC_RST
PSoC_SDA
3.3VD
3.3VLED
PSoC_SCL
PSoC_SDA
PSoC_RST
1
2
3
4
5
6
7
CN300
HNS-4272
R305
47 R306
47 R307
47
DT309 DT308 DT307
R304
47
DT305
1
slide314
S
L
ID
E
2
1
slide313
S
L
ID
E
3
1
slide312
S
L
ID
E
4
1
slide311
S
L
ID
E
5
1
slide310
S
L
ID
E
6
1
slide309
S
L
ID
E
7
1
slide308
S
L
ID
E
8
1
slide307
S
L
ID
E
9
1
slide306
S
L
ID
E
1
0
1
slide305
S
L
ID
E
1
1
1
slide304
S
L
ID
E
1
2
1
slide303
S
L
ID
E
1
3
1
slide302
S
L
ID
E
1
4
1
slide301
S
L
ID
E
1
5
1
slide300
S
L
ID
E
1
6
DT321
D307
SW307
LED331
LED326
LED323
LED318
LED313
LED310
LED305
LED302
DT319
DT318
DT317
DT316
DT311
DT306
DT301
D306
SW306
D305
D304
D303
D302
D301
D300
SW305
SW304
SW303
SW302
SW301
SW300
PNL_LD4
PNL_LD0
SD0
SD0
DT315
R308
47
C301
CE
C300
CE
C305
2200p
R
A
3
0
2
A
560x4
R
A
3
0
2
B
R
A
3
0
2
C
R
A
3
0
2
D
R
A
3
0
3
A
560x4
R
A
3
0
3
B
R
A
3
0
3
C
R
A
3
0
3
D
R
A
3
0
1
A
560x4
R
A
3
0
1
B
R
A
3
0
1
C
R
A
3
0
1
D
R
A
3
0
0
A
560x4
R
A
3
0
0
B
R
A
3
0
0
C
R
A
3
0
0
D
LED_GND
LED_GND
LED_GND LED_GND LED_GND LED_GND LED_GND LED_GND LED_GND LED_GND
LED_GND
R312
0
LED_GND
LED_PWR
DTC: DTC114EUA T106 (S)
DTA: DTA114EUA T106(S)
1000p
C303
C309
10u B
1 2 3
5
9 10 11
13 14 15
6 7
4
12
16
8
1 2 3
5
9 10 11
13 14 15
6 7
4
12
16
8
T
O
P
R
O
W
B
O
T
T
O
M
R
O
W
R313 330
R314 330
0.047u
C307
R310
10
TSE
Kobayashi
Takahashi
Tatsuya
Nakamura
Kenichi