10
KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB
4.3.
Block Diagram (Handset)
E a r p i e s e
( S p e a k e r )
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
X101
E E P R O M
( I C 1 0 2 )
B A T T E R Y
C O S I C
C h a r g e +
C h a r g e -
R e g u l a t o r
3 . 3 V
5
4
45
44
35
36
C h a r g e
c i r c u i t
S C L K
D A T A
48
47
M I C
K E Y P A D
O N S W I T C H
R I N G E R
3 . 3 V
37
R102
C H A R G E
C H A R G E
L C D
3 . 3 V
V D D B A T
V D D D C D C
Q 1 0 3
38
1
2 . 4 V
2 . 4 V
Q101/102
2 . 4 V
SDRV
M A D 4 P
32
IC103
IC101
KX-TGA171 BLOCK DIAGRAM (HANDSET)
BZ2
R102
Q105
53
54
Q104