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7
KX-MB2110RUW/KX-MB2130RUW/KX-MB2170RUW/KX-MB2117RUB/KX-MB2137RUB/KX-MB2177RUB
1.5.
Schematic Diagram
1.5.1.
Low Voltage Power Supply Board (SMPS Board)
Changed from the Original Service Manual section 16.11.
L1
L6
F
101
R1
8
8
R2
1
1
R2
0
0
RC
2
T1
Z1
C1
R1
1
1
A
IC
1
1
Q1
C9
L2
R2
B
B
R2
A
A
R1
A
A
R1
B
B
1
8
2
3
4
5
6
7
3
4
R1
1
1
B
R7
R5
D6
R6
B
B
R6
A
A
D5
C4
C8
R3
C5
C6
C7
PH
1
IC
2
2
R1
9
9
C1
3
3
R2
4
4
R2
2
2
C1
0
0
A
(R
2
2
8
)
PH
1
(C
2
2
6
A
)
(C
2
2
6
B
)
F1
R4
2
2
R4
3
3
CR
1
C2
7
7
C2
8
8
PH
T
1
2H
T
R
C
T
L
GN
D
PH
T
1
C3
5
1
CN
2
+2
4
4
V
GN
D
RC
1
D1
0
0
C1
5
5
R2
5
5
C1
1
1
C1
2
2
NC
7
6
CN
3
1
3
F2
R4
1
1
TH
1
1
C2
R4
(C
1
1
4
)
Ir
a
te
d
=
2
.4
A
Ip
e
a
k
=
3
.6
A
+1
2
2
V
Ir
a
te
d
=
0
.7
5
A
Ip
e
a
k
=
0
.8
0
A
R2
9
9
A R2
9
B
R2
9
9
C
CN
1-
L
(Q
2
2
)
DZ
1
1
(D
Z
Z
2
)
R3
0
0
AC
O
U
U
T
(D
1
1
1
)
(R
1
1
0
)
(C
2
2
9
)
(D
1
1
2
A
)
(D
1
1
2
B
)
R3
1A
,B
1A
,B
,
(R
3
3
2
)
L3
C1
6
6
CN
1-
N
(TB
1
)
(L
5
5
)
(C17
)
(C
1
1
9
)
(C
2
2
0
)
(C
1
1
8
)
(L
4
4
)
(2
2
k
Ω
)
(3
.6
k
Ω
)
(C
),
),
(D
),
),
(E
)
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