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8
KX-TGB210CA/KX-TGB210RU/KX-TGB210UA/KX-TGB212CA/KX-TGB212RU/KX-TGBA20RU
4 Technical Descriptions
4.1.
Block Diagram (Base Unit)
A
B
J1
Hook
Sw
itc
h
Au
di
o
An
al
o
g
Fro
n
t
En
d
DS
P
RF
CP
U
XT
A
L
20.
7
36M
H
z
Br
id
g
e
Re
ct
EEP
R
O
M
To
Te
l_
Li
n
e
To
A
C
Ada
pt
o
r
IC
3
CO
SI
C
CO
SI
C
I/
F
Ch
ar
ge
+
Ch
ar
ge
-
2.
65V
Re
g
u
la
to
r
2.
65V
19
20
26
25
21/22
43
1
41
42
Limit
re
si
st
o
r
SC
L
K
DA
T
A
5
4
AN
T
1
AN
T
2
KX-TGB210 BLOCK DIAGRAM (BASE UNIT)
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