KX-TGF310RUM, KX-TGF320RUM, KX-TGF320UCM, KX-TGFA30RUM - Panasonic Telephone Service Manual (repair manual). Page 8

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8
KX-TGF310RUM/KX-TGF320RUM/KX-TGF320UCM/KX-TGFA30RUM
4 Technical Descriptions
4.1.
Block Diagram (Base Unit_Main)
KX-TGF310/320 BLOCK DIAGRAM (Base Unit_Main)
IC501
BBIC
Crys
ta
l
10.
3
68M
H
z
KEY
PAD
IC
6
0
1
Flas
h
(V
oic
e
 P
rom
pt
)
SIDE T
O
NE
CIRCUIT
LS
Rp
MI
C
h
Q161
Q1
4
1
TR
 R
L
Y
P3
_
6
Q141
䠇䡚
䠉䡚
D101
T
E
L
 Ja
ck
CI
DI
Nn
CI
DI
Np
IC
5
0
2
Flas
h
(P
rogram
)
Q
SPI
AVD
/VD
D
+1.
8
V
(V
DD1)
VBAT
Q301
VBAT
(V
DD3)
DCDC
Convert
e
r
IC
3
0
2
Charge
Cont
rol
Ci
rc
ui
t
RF
 B
loc
k
RF_VDD
VDD_PA
AN
T1
AN
T2
LCD 
mo
d
u
le
STM
IC421
TIP
RING
 DC 5.5V
 GND
Battery
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