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KX-TG1401UA/KX-TG1402UA/KX-TG1411UA/KX-TG1412UA/KX-TGA131RU
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
B 1 3
B 1 4
B 3 8
B 6 9
B 6 8
B 5 9
B 5 8
C h a r g e
c i r c u i t
S C L K
D A T A
B 8 2
B 8 1
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
B 6 0
R
C H A R G E
C H A R G E
1 4 s e g
L C D
3 . 3 V
R O W S
C O L U M S
V D D B A T
V D D D C D C
Q 1 0
Q 1 0
B 6 1
B 2
B 9
2 . 4 V
2 . 4 V
Q101/102
2 . 4 V
C H A R G E
S T A R T
M A D 4 P
P 1 . 0
P 1 . 1
IC103
IC101
KX-TGA131/141 BLOCK DIAGRAM (HANDSET)
BZ2
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