Read Panasonic KX-NT551RU-B Service Manual online
15
KX-NT551RU/KX-NT551RU-B
4.2.8.
Power Supply Circuit
Po
E_
G
Po
E_
AG
+9
V
o
r 1
2
V
L2
S
W
DV
F
Pa
n
e
ll
M
a
in
L
C
D
S
e
lf
La
be
ri
ng LC
D
DS
S
+1
.0
V
+1
.8
V
+5
V
AG
+
5
V_
fr
o
m
PC
RJ
4
5
(L
A
N
)
Po
E
DCDC
12V
9V
+3
.3
V
US
B
DDR2
3.
3V
A
+
-
DCDC/
D
igital
AMP
Analog
H
a
nds
et
MI
C
S
peak
er
RJ
4
5
(P
C
)
DG
AC
9V
/7
50m
A
45
V
C
P
U
/
KEY /
L
E
D
1.
8V
1.
2V
DCDC
5V
DCDC
1.
8V
DCDC
1.
0V
DDR
I
F
DCDC
3.
3V
DV
DDI
O
D
V
D
D
L
Digital Part
PL
L
V
D
D
L
AVD
D
H
AVD
D
L
NA
ND F
L
A
S
F
B
a
ck
li
g
h
t
L
C
D
(Ma
in
)
B
a
ck
li
g
h
t
H
e
ads
et
KEY /
L
E
D
ASI
C
Analog Part
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