Read Panasonic KX-NT400RU Service Manual online
51
KX-NT400RU
(j)
(k)
(m)
(n)
(2)
(1)
(3)
(4)
KX-NT400R
U :
MAIN BO
ARD No
.1 (4/4)
1/4
2/4
3/4
4/4
D7
C40
NC
PoEGND
R41
220k
R28
75
Q1
E
C
B
C23
0.1/250V
[3216]
R50
6.8k
D1
1
2
4
R53
180k(1%)
HD_SP
003:8C
D8
Q3
S
D
G
C29
1000p/100V
[2125]
PoEGND
C44
K0.47
D9
R43
100
R40
0
PoE8V
R30
75
R49
10k
L9
R44
100k/0.75W
PoE8V
C26
D5
PoEGND
PoEGND
L10
R54
330
PC1
1
23
4
IC7
1
ITH/RUN
2
PGND2
3
NGATE
4
PVCC
5
RCLASS
6
NC6
7
VPORTN
8
NC8
9
NC9
10
POUT
11
PWRGD
12
SIGDISA
13
VPORTP
14
SENSE
15
PGND15
16
VFB
HD_AG
003:8C
C28
0.1/250V
R46
10k
R33
75
L4
L7
R38
220k
C38
1u/250V
C27 0.047/100V
[2125]
PoEGND
IC8
1
NC1
2
A
3
NC3
4
C
5
REF
L8
L5
R51
1.2k
R55
47k(1%)
R47
0.068(1%)
C37
1000p/100V
R48
100k(1%)
C45
680p/50V
PoE8V
R52
560
C35
4.7u/16V
L6
R42
45.3k(1%)
PoEGND
PoEGND
C25
1000p/100V
[2125]
PoEGND
L11
D4
PoEGND
C30
[3216]
T3
1
2
3
4
5
6
7
8
9
10
R56
15/0.5W
D2
1
2
3
3
4
R29
75
C41
100p
PoEGND
IP1
1A
Q2
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
D6
C31
Z0.1/50V
R119
NC
D17
NC
DG
PoEGND
J5
NC
C36
K0.1
C42
K0.1
DCIN+
PoE-
C47
K0.1
C46
Z10/25V
PoE+
PoEGND
DG
R45
33
D3
HS_MIC-
003:8C
HD_MIC
003:8C
HS_AG
003:8C
HS_MIC+
003:8C
HS_SP
003:8C
AG
DG
SG
R34
0
[1608]
J3
DCIN-
SG
AG_2
AG_2
AG_2
L28
L
12
0
J6
0
C93
2200p/1kV
C94
Z0.1
PoEGND
C34
47uF/80V
CN1
1
DCIN+
2
DCIN+
3
DCIN+
4
NC
5
DCIN-
6
DCIN-
7
DCIN-
8
AG
9
HS_MIC-
10
HS_SP
11
HS_AG
12
HS_MIC+
13
HD_MIC
14
HD_SP
15
HD_AG
R120
100K
C39
0.047u/100V
J4
K0.01/250V
F
E
H
G
7
68
11
10
9
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