Read Panasonic KX-NT400RU Service Manual online
49
KX-NT400RU
(j)
(k)
(m)
(n)
KX-NT400R
U :
MAIN BO
ARD No
.1 (2/4)
1/4
2/4
3/4
4/4
DG
DG
R61
47
C55
680p
R57
10
R60
2.7k
IC9
1
CE
2
GND
3
VFB
4
EXT
5
VIN
D12
DG
Q4
D
1
D
2
G
3
S
4
D
5
D
6
D14
NC
C49
220u/16V
L13
33uH
DG
D15
R67
2.7k
IC10
1
CE
2
GND
3
VFB
4
EXT
5
VIN
R63
10
R64
47
Q5
D
1
D
2
G
3
S
4
D
5
D
6
C61
1200p
A3.3V
L14
33uH
R58
15k(1%)
R59
3.3k(1%)
R65
30k(1%)
R66
13k(1%)
SYS_EN
005:9A;006:6D
L24
27uH
Q6
1
D
2
D
3
G
4
S
5
D
6
D
R115
47
D16
R118
2.7k
IC14
1
CE
2
GND
3
VFB
4
EXT
5
VIN
DG
C75
5600p
R114
10
PWR_EN
005:9A;006:6C
DG
R117
20k(1%)
R116
10k(1%)
+5.5V
AG
D10
D11
C57
K0.1
C59
K0.1
C76
K0.1
C43
K0.1
C63 K0.1
C52
K0.1
C73
K0.1
C51
K0.1
C56
100u/16V
C62
330u/6.3V
C77
330u/6.3V
C78
100u/16V
C50
100u/16V
A3.3V
L15
C72
Z10/25V
C53
Z10/25V
C58
Z10/25V
C48
NC
D3.3V
+12V
+12V
+5.5V
D3.3V
R35
33k
R9
NC
DC_ALARM
002:11D;004:9A
VCC_D33
nDETPDN
IC13
1
VOUT
2
VIN
3
NC
4
VSS
DG
C10
NC
R8
NC
L27
L26
L25
C96
K0.01u
VCORE0
VCORE
F
E
H
G
45
6
3
2
1
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