Table of Contents
Advertisement
CIRCUIT DIAGRAM
KEP-539 - 541(1) POWER,VOLUME,HEADPHONE
1
2
3
KEP‑539
POWER
A
100UF/25V
Low ESR
B
REF1
(1‑9I)
12V
(1‑9C)
(1‑11D)
(1‑5I)
Q10
2SC5343
C
1
2
●
●
2
3
1
1
2
1
1
2
2
2
1
2
1
●
●
D
CN12
E
B2P‑VH
1
+5V
2
GND
F
KEP‑540
VOLUME
G
H
CN17
S4B‑PH‑K‑S
1
+5V
2
GND
3
+5V
I
4
VOL
5
●
6
J
KEP‑542 - 544(1) JACK,INLET, LED
1
2
3
KEP‑542
JACK
A
5V
1
CN19
B
B2B‑PH‑K‑S
2
LED
1
GND
2
5G
C
D
5V
●
CN20
1
B5B‑PH‑K‑S
1
DG
E
2
2
+5V
5G
MIN
3
MOUT
4
NC
5
●
1
2
F
5G
FG
T4
G
EARTH‑LAND
1
FG
H
JA4
I
YKB21‑5101A
S
1
TC2
7
●
B2
6
R
3
L
2
4
B1
5
TC1
J
4
5
6
7
U7
C53
LT1054CP
470UF/25V
1
8
1
FB/SHDN
V+
●
C52
1
2
7
CAP+
OSC
R68
223R
3
6
1
2
GND
Vref
●
2
R69
224R
4
5
1
2
CAP‑
Vout
●
●
2
C54
222C FILM
‑12V
1
2
2
1
2
2
●
C55
L1
1000UF/16V
47UH
1
●
●
1
U8
78M12
3
OUT
IN
1
●
●
GND
CN13
B4P‑VH
2
1
+15V
●
1
2
1
2
●
+15V
2
C
6
0
C
6
1
PGND
3
1
0
4
C
1
0
4
C
PGND
4
●
TO KEP‑276 CN4
●
5V
U9
L2
SI‑8008
47UH
OUT
IN
1
2
2
1
●
●
S.S
GND
Vos
2
2
5
3
4
R73
1
●
2701R
1
1
C66
2
1
1000UF/25V
1
2
R74
●
2
2701R
C65
1
104C/50V
2
●
2
R75
1001R
1
●
●
●
●
1
C64
JP05
2
5G
FG
VR1
RK09L12B0
3
6
8
7
1
2
4
5
●
●
●
1
2
●
4
5
6
7
5V
U10
PC900V
6
1
●
VCC
A
2
5
2
GND
K
4
3
V0
NC
1
●
5V
5G
5V
2
5V
5V
C93
470C/50V
2
1
2
3
●
2
1
2
1
1
5G
1
2
●
3
●
5G
1
5G
L12
R87
JP05 X 2
101R
2
3
1
2
●
●
1
2
C85
1
4
102C/50V
2
1
●
●
●
1
2
C86
2
3
102C/50V
2
1
1
4
1
2
●
L13
R88
1
101R
JP05 X 2
2
FG
8
9
10
15V
●
●
●
1
C62
2200UF 25V
2
2
●
DTC143ES
●
●
1
1
4
●
●
●
2
3
1
2
2
2
●
●
T1
EARTH‑LAND
1
1
1
●
●
FG
KEP‑541
HEADPHONE
CN18
S7B‑PH‑K‑S
HPR
AGND
HPL
HPIN
FG
FG
FG
8
9
10
JA3
YKF51‑5053
1
8
1
7
●
R85
101R
1
2
●
●
6
14
2
C82
9
D4
1
2
1SS133
7
R86
101R
1
10
1
2
●
●
8
13
R83
L9
101R
101R
1
2
2
1
2
●
●
1
12
C83
102C/50V
L10
JP
4
2
1
2
●
1
2
C84
102C/50V
L11
101R
5
1
2
1
2
●
●
1
3
11
R84
101R
●
●
1
6
1
5
FG
●
C91
2
102C/50V
●
1
●
●
2
●
C92
102C/50V
1
●
1
2
FG
– 61 –
11
12
13
14
CN14
B2B‑PH‑K‑S
1
SW1
2
SW2
Q11
L4
2SJ649
10UH
2
3
1
●
●
1
1
1
2
2
●
●
●
Q12
Q13
2
2
DTC143ES
3
3
●
1
1
1
1
●
2
2
●
●
●
CN16
B3B‑PH‑K‑S
1
NC
2
SWIN
R77
2
3
KEEP
103R
3
1
2
Q14
2SC5343Y
1
5G
L5
SBT0160W
●
1
4
2
C75
102C/50V
2
3
1
●
1
C76
1
4
102C/50V
2
●
2
3
L6
SBT0160W
1
●
2
●
●
3
●
4
●
L7
5
SBT0160W
6
2
2
1
4
●
●
2
7
●
C77
102C/50V
2
3
1
1
1
●
●
●
1
1
4
C78
102C/50V
2
2
3
●
L8
SBT0160W
FG
11
12
13
14
KEP‑543
KEP‑544
JA5
YKB21‑5101A
L14
TC1
5
JP05*2
2
1
4
B1
4
●
L
2
R
2
3
3
●
1
B2
6
TC2
7
1
S
1
4
1
●
●
●
2
3
●
2
L15
JP05*2
CN21
B8B‑PH‑K‑S
1
SOR
2
AGND
3
SOL
4
SIR
5
AGND
●
6
SIL
7
●
AGND
8
FGND
FG
15
16
CN15
B3P‑VH
D2
SF5S4
2
1
2
+15V
3
NC
2
GND
1
1
2
D3
JP05
JA1
YKB21‑5101A
TC1
5
B1
4
L
2
R
3
B2
6
TC2
7
●
S
1
●
JA2
YKB21‑5101A
TC1
5
B1
4
L
2
R
3
B2
6
TC2
7
●
S
1
●
T2
EARTH‑LAND
1
FG
15
16
INLET
JA6
LGP7031
C94
‑1200C
CN22
104C/50V
DC‑JACK
B3PS‑VH
●
1
+15V
1
1
3
+
3
NC
3
2
2
GND
2
1
2
‑
●
●
LED
LED1
KT2P11‑81‑S13
RED
CN23
S2B‑PH‑K‑S
1
1
LED
2
GND
2
Advertisement
Table of Contents
