1
1
2
2
3
3
4
4
5
5
6
6
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
H
e
a
d
p
h
o
n
e
s
HP AMP
TPA6111A2DR
7
2
1
6
IC16A
C97
1u Z
C114
1u Z
C120
6.3V/330uF
C121
6.3V/330uF
L5
L
L6
L
C
1
2
3
C
1
2
6
C
1
2
5
C
1
2
2
TPA6111A2DR
8
4
VDD
GND
3
BYPASS
5
SHTDN
IC16B
+5V
L1
R12A163EA C6-K3.0L R12W228EA
TPS62112RSAR
P
G
N
D
1
VIN
2
VIN
3
EN
4
SYNC
5
LBO
6
LBI
7
VINA
8
AGND
9
FB
10
G
N
D
1
1
G
N
D
1
2
PG
13
SW
14
SW
15
P
G
N
D
1
6
P
W
P
D
1
7
IC3
hi if good
lo if lo
D1
RB051L-40TE25 (S)
R9
1M
C
1
1
6
.3
V
/3
3
0
u
F
+5V
LD-0214C-1.65
1
2
3
DJ1
C20
CE
C19
NU
C10
NU
C21
CE
C16
16V/100uF
C
1
5
1
0
u
M
C
1
2
1
0
u
M
POWER SW
R162
100K
R157
22K
R158
470K
R159
10K
R155
100K
R151
47K
2SC1623
Q7
2SC1623
Q8
2SC1623
Q9
0.1u
C96
R156
220K
+5V
L3
L
R170
10K
R174
100K
R184
1K
2SC1623
Q12
L4
L
R166
4.7K
+5V
S
y
n
c
O
u
t
S
y
n
c
In
SYNC OUTPUT
SYNC INPUT
5V POWER SUPPLY
C98
100p J
C113
100p J
C99
CE
C110
CE
+5V
C
1
3
C
E
C14
CE
MC2840
WD1
D2
RB051L-40TE25 (S)
h
ig
h
m
in
=
1
.3
V
D4
R160
22K
R161
22K
R183
22K
R182
22K
R
1
9
2
1
K
R
1
8
8
1
K
C102
1000p
C103
1000p
C116
1000p
C115
1000p
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)
0.022u x4
R152
1K
D12
R154
150K
C95
47p J
R169
470
C109
1u Z
X-12210
SCHEMATIC 3/3
KLM-3201 JACK
2013/03/20
KOD-A30999
Takahashi
Tatsuya
4
3
5
4
6
5
3
2
1
1
PC1
3
1
2
LN-0506-005
MIDI1
D11
C84
CE
C78
CE
R119
1K
R126
220
M
ID
I I
n
MIDI INPUT
R17
470K
R16
100K
M
ID
I O
u
t
GND
VD
TX
R111
47
3.3VD
R108
47
C74
CE
In
te
rn
a
l S
p
e
a
k
e
r
C129
0.01u
C128
0.01u
R196
100K
TF16AT 1.25 T TD
FU1
HNS-4269
bat(+)
bat(-)
black
red
C131
6.3V/330uF
C132
1000p
C135
1u Z
TPA2006D1DRBR
EN
1
NC
2
IN+
3
IN-
4
OUT+
5
VDD
6
GND
7
OUT-
8
9
IC18
BAT LO
SYNC CN
PWR SW
PWR CTRL
TxD MIDI
RxD MIDI
SYNC OUT
SYNC RISE
SYNC FALL
D3
DT9
R21
100K
R197
220K
HP AUDIO
SP AUDIO
R198
220K
R7
0
for current check
+5V
3.3VD
C92
6.3V/100uF
R199
0
DTC: DTC114EUA T106(S)
DTA: DTA114EUA T106(S)
HP CN
LJE0368-4R
CN5
LJE0368-4R
CN4
LJE0368-4R
CN3
3.3VD
hidden
shutdown for <0.35v
DT17
+5V
R153
100K
SP EN
R146
22K
R147
33K
C136
NU
C133
1000p
C134
1000p
0.047u
C130
R201
10
SP+
SP-
R127
0
R114
0
HP disable
ACP3225-102-2P-T000
4
1
3
2
L2
SKRGADD010
SW1A
L7
L8
HNS-4270
TSE
Kobayashi
SP AMP
or ACM3225-601-2P-T001
Takahashi
Tatsuya Kenichi
Nakamura
