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