KX-TG1711UAB, KX-TG1711UAJ, KX-TG1711UAW, KX-TGA171RUB, KX-TGA171RUJ, KX-TGA171RUW - Panasonic Telephone Service Manual (repair manual). Page 10

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KX-TG1711UAB/KX-TG1711UAJ/KX-TG1711UAW/KX-TGA171RUB/KX-TGA171RUJ/KX-TGA171RUW
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
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