1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
DESIGNED BY
DRAWN BY
CHECKED BY CHECKED BY MODEL
DRAWING No.
DATE
TITLE
KOD-A31314
*
REVISED BY
DATE
REMARK
REVISAL REASON
IN
1
GND
2
EN
3
NC
4
OUT
5
TLV70033DCKR
IC20
3.3VD
C102
10u 20%
C103
10u 20%
R86
NU
0.1u
C78
0.1u
C79
+15V
VIN
C91
100p 5%
0.1u
C80
+12V
12V POWER
8.2K
R82
0.056u
C98
0.027u
C94
10UF 10% 25V 2012
C90
TPS54231DR
BOOT
1
VIN
2
EN
3
SS
4
VSENSE
5
COMP
6
GND
7
PH
8
IC21
-12V
10u 20%
C82
330p 5%
C99
10K
R72
330
R84
470K
R71
PWR_CTRL1
to POWER UNIT
2
4
3
1
B4PS-VH(LF) (SN)
CN3
PJT-15V65WBA
max 15V/1.9A/28.5W
15V/4.2A
RSX301LA-30-TR
D1
RSX301LA-30-TR
D3
C96
100p 5%
0.1u
C81
+5V
8.2K
R83
6800p
C100
0.027u
C97
TPS54232DR
BOOT
1
VIN
2
EN
3
SS
4
VSENSE
5
COMP
6
GND
7
PH
8
IC19
150p 5%
C101
12K
R78
6.8K
R81
100K
R79
RSX301LA-30-TR
D2
7E06NA-220M-GB
L30
2.7K
R85
+15V
+3.3V POWER
+5V POWER(~5.2V)
main digital
panel digital
main MIDI
main HP amp
panel LED
10K
R80
A2001WV-3P
1
2
3
CN4
TO POWER SW
22K
R75
22K
R70
22K
R69
+15V
0.1u
C83
R1
R2
DT3
DTC114EUB
0.033u
C87
1K
R74
1M
R73
22K
R76
Enable Vth=1.25V
3
2
4
1
SQR8065C-150M
L32
PWR_SW
2SC2712-BL
Q1
2SC2712-BL
Q2
R1
R2
DT4
DTC114EUB
L31
+15V
R1
R2
DT5
DTC114EUB
33K
R77
DTA114EUB
R1
R2
DT1
DTA114EUB
R1
R2
DT2
R1
R2
DT7
DTC114EUB
off on
off on
off on
off on
off on
7427512
L34
NU
7427512
L33
NU
IN
1
OUT
2
GND
3
FB
4
EN
5
*
IC11
TPS73801DCQR
+5VA for ANALOG(~4.95V)
10u 20%
C119
10u 20%
C124
+5VA
39K
R109
12K 1%
R124
0.1u
C129
560K
R147
+5V
0.1u
C130
0.1u
C135
