Panasonic KX-TG7731S - 4.3. Block Diagram (Base Unit_Main)

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KX-TG7731S/KX-TG7732S/KX-TG7733S/KX-TGA470S
4.3. Block Diagram (Base Unit_Main)
KX-TG7731/7732/7733 BLOCK DIAGRAM (Base Unit_Main)
SIDE_TONE CIRCUIT
Crystal 10.368MHz
TR_RLY
TIP
RING
TEL_JACK
VRF
/
VPA
RF_Block
IC501 BBIC
DC5.5V+ GND
DC_JACK
+
-
CHARGE
3
4
2
1
D1
0
1
Q141
Q161
REGULATOR
I
C30
2
KEY PAD
LED
VBAT
IC611
LCD
IC502
IC751
IC601
IC721 BT Module
Q301
+1.8V
AVD/VDD
RF_VDD
Q302
+2.4V
VDD_PA