KX-NT511ARUW, KX-NT511ARUB - Panasonic Telephone Service Manual (repair manual). Page 11

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11
KX-NT511ARUW/KX-NT511ARUB
4.2.7.
Power Supply Circuit
Ab
o
u
t 5
V
L2
S
W
DV
F
Pa
n
el
l
Ma
in
 L
C
D
AG
+5
V
_
fr
o
m
 P
C
5.
5V
+3
.3
V
US
B
SD
R
A
M
3.
3V
A
DCDC/
Dig
it
a
l
D
 A
m
p
lif
ie
r
An
a
log
H
ands
et
MI
C
S
peak
er
RJ
4
5
(P
C
)
DG
AC
5.
5V
/5
00m
A
1.
8V
1.
2V
DDR
 I
F
DCDC
3.
3V
              D
ig
it
a
l P
a
rt
V
D
D
(3.
3 or
 2.
5)
IN
T
E
R
N
A
L
_
1
.2
V
              A
n
a
lo
g
 P
a
rt
IN
T
E
R
N
A
L
_
1
.8
V
IN
T
E
R
N
A
L
_
1
.8
V
NA
ND F
L
A
S
H
KEY
RJ
4
5
(L
A
N
)
LE
D
LC
D
C
ont
ra
s
t
5V
T
ermination
T
ermination
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