Table of Contents
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CIRCUIT DIAGRAM
1
2
3
4
KEP‑276(2) AMP
A
B
AMPINR
●
1
2
R1
R5
2
C
681R 122R
1
2
1
D
●
AMPINL
1
2
2
R
2
R
6
681R
122R
1
2
E
1
F
G
Gain Setting at Power amp
H
R9
R10
R11
1
2
0R0R
0R0R
‑
‑
‑
0R0R
104R
‑
0R0R
‑
104R
‑
‑
‑
104R 104R
I
J
5
6
7
KEP‑276(2)
CN7
B5P‑VH
SIGR
AG
SIGL
A
AG
SPMUTE
B
C
D
E
F
G
H
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5
6
7
8
VREG
2
R14
103R
Q2
1
DTC143EK
●
3
SPMUTE
2
1
15V
AMP
2
2
1
1
●
●
●
2
2
1
2
1
1
●
●
●
PG
4
8
4
7
4
6
EM1
B601
1
GND
2
RINN
1
2
3
RINP
1
2
1
2
4
AGND
5
LINP
1
2
1
2
6
●
LINN
1
2
7
GAIN0
EM2
TPA3100D2PHP
8
C5
●
GAIN0
B601
105C/25V
1
2
9
GAIN1
C6
10
R10
MSTR/SLV‑
105C/25V
0R0R
C7
11
SYNC
105C/25V
12
GND
PG
2
2
C105
105C/25V
1
1
●
13 14 15 16 17 18 19 20 21 22 23 24
●
●
●
2
1
2
2
1
VREG
●
R
Amplifier Gain(dB)
20
26
32
36
8
9
10
1
2
●
3
4
5
SPMUTE
2
2
C66
C67
JP
JP
1
1
2
REF1
R60
472R
1
1
1
2
●
2
2
1
1
●
2
1
2
R61
472R
1
1
2
●
2
1
1
●
2
1
– 64 –
9
10
11
12
C40
5MM
JMP
1
2
BP
L1
L5
A7503AY‑150M
964CM‑0001
1
2
2
1
4
●
●
●
C20
1
224C/25V
2
C24
●
15V
1
C21
AMP
105C/50V
224C/25V
2
PG
2
3
●
●
2
1
1
L3
2
A7503AY‑150M
2
1
2
1
●
●
1
●
●
●
45
44
43
4
2
41
40
39
38
37
Low inpedance
PG
●
1
2
C25
220UF/50V
C31
105C/25V
1
2
●
●
15V
36
GND
AMP
C32
102C/50V
35
1
2
PVCCR
●
●
34
PVCCR
L7
33
PGNDR
●
●
964CM‑0001
C33
102C/50V
32
1
2
PGNDR
●
1
C26
105C/25V
●
●
31
1
2
VCLAMPR
●
●
30
1
2
U1
VCLAMPL
●
●
C27
105C/25V
29
1
2
PGNDL
●
28
C34
102C/50V
PGNDL
●
●
2
●
●
27
PVCCL
C35
102C/50V
PVCCL
26
1
2
●
●
25
GND
C36
105C/25V
1
2
●
●
PG
C28
220UF/50V
●
Low inpedance
1
2
●
●
●
PG
2
1
2
1
●
●
1
C19
●
●
224C/25V
L2
L6
A7503AY‑150M
964CM‑0001
PG
1
2
1
1
4
●
●
2
C22
●
C29
224C/25V
1
●
2
105C/50V
C23
●
224C/25V
1
PG
2
3
●
●
●
2
1
2
L4
A7503AY‑150M
1
2
BP
C39
5MM
JMP
REF1
13V
Q3
Q5
2SC5395
2SC5395
1
2
1
2
●
●
●
●
●
2
3
3
1
2
1
●
●
1
1
2
2
1
3
●
1
2
2
1
1
2
C41
●
3
100UF/25V
2
2
●
●
1
Q4
DTC143EK
11
12
13
13V
C95
104C/50V
●
8
V+
U6(3/3)
4580
1
●
●
●
●
2
2
2
2
102C/50V
●
C91
1
1
1
1
471C/50V
U6(1/3)
●
●
●
●
●
4580
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
3
●
●
●
●
●
●
●
●
2
2
2
2
2
2
2
13V
1
1
1
1
1
1
1
●
●
●
3
3
3
3
T2
T4
T6
T8
1
1
1
●
●
●
2SC3324
2SC3324
2SC3324
2SC3324
CHIP
CHIP
CHIP
CHIP
2
2
2
2
2
2
2
●
●
●
●
2
2
2
2
1
1
1
1
1
1
1
●
●
●
REF1
●
●
●
R102
472R
1
●
●
●
●
2
2
2
2
102C/50V
●
1
C92
1
1
1
1
471C/50V
U6(2/3)
●
●
●
●
●
4580
2
2
2
2
2
2
2
2
6
1
1
1
1
1
1
1
1
5
●
●
●
●
●
●
●
●
2
2
2
2
2
2
2
13V
1
1
1
1
1
1
1
●
●
●
3
3
3
3
T3
T5
T7
T9
1
1
1
●
●
●
2SC3324
2SC3324
2SC3324
2SC3324
CHIP
CHIP
CHIP
CHIP
2
2
2
2
2
2
2
●
●
●
●
2
2
2
2
1
1
1
1
1
1
1
●
●
●
REF1
●
●
●
13
14
15
16
CN1
B6P‑VH
1
SPR+
2
SPR‑
3
NC
4
NC
●
5
NC
6
NC
●
4
3
CN2
B7P‑VH
1
SPL+
2
SPL‑
3
TRL+
4
TRL‑
5
NC
6
NC
7
NC
15V
F1
JP
●
1
2
●
2
1
1
2
1
+15V
●
2
+15V
3
GND
4
GND
●
●
2
CN4
B4P‑VH
J1
JP05
1
FG
14
15
16
1
2
4
V‑
●
R103
472R
2
1
C93
R104
0R0R
2
●
1
2
C96
JP
1
●
1
2
C101
フ
2
C94
R105
0R0R
●
2
1
2
C97
JP
1
7
●
1
2
フ
C102
JP
AMP IN R
1
2
JP
AMP IN L
2
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