7
KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB
4 Technical Descriptions
4.1.
Block Diagram (Base Unit)
A
B
J
1
H o o k
S w i t c h
A u d i o
A n a l o g
F r o n t
E n d
D S P
R F
C P U
X T A L
2 0 . 7 3 6 M H z
A N T 1
A N T 2
B r i d g e
R e c t
D2
Q2/3
Q1
E E P R O M
t o
T e l _ L i n e
t o
A C
A d a p t o r
C O S I C
X1
C O S I C
I / F
C h a r g e +
C h a r g e -
3 . 3 V
R e g u l a t o r
2 . 6 V
R e g u l a t o r
3 . 3 V
2 . 6 V
B 1 3
B 1 4
B 2 3
B 2 4
B 3 8
B 6 2
B 6 7
B 6 0
B 6 1
L i m i t
resistor
S C L
D A T
B 8 2
B 8 1
2 . 6 V
IC3
IC1
IC2
IC4
KX-TG1711/1712 BLOCK DIAGRAM (BASE UNIT)
R39
C26, R33, R200, C27, R34, R201