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KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
5.5.
Block Diagram (Handset)
[Changed from original section “4.5. Block Diagram (Handset)”]
SPEAKER
RECEIVER
MIC
CHARGE
CIRCUIT
Q4, Q6
Q9, R8Q
9
, R
8
CHARGE(+)
CHARGE_C
TRL
CHARGE_DE
T
EEP
R
OM
SCL
SD
A
R45
VB
A
T
BA
T
T
-
1.8
V
Q2
1.8
V
CP 3.0
V
LC
D
CD
RESE
T
CSB
SD
A
SCL
CPU
Analog
F
ront
End
D/A
A/D
37
35
25
24
21
20
34
33
63
64
42
27
48
49
69
60
61
72
ADPCM
C
odec
Filt
er
DSP
Speech
Dec
oding
Speech
Enc
oding
BMC
Burst
Dec
oding
ANT1
Burst
Enc
oding
RF
PLL
MOD/DEMOD
2
3
87
86
RXn
ANT1
RXp
TX
p
TX
n
9
10
XT
A
L
X1
10.368
MH
z
BA
T
T
E
R
Y
50
ON SWIT
CH
KEY
P
AD
Char
ge
Pu
m
p
RO
W
S
C
O
LUMNS
CP3V
CP3.0V
CP_LED
54, 55, 56, 57
14, 15, 16, 17, 52
BBIC
IC1
IC3
62
LDO_C
TRL
CP3V
71
CHARGE
C
ONT
A
C
T
S
BA
T
TER
Y
T
ERMINAL
KX
-T
GA251 BL
OCK DIA
GRAM (Handset)
BA
T
T
ER
Y_ON
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