11
KX-TGF340/KX-TGF342/KX-TGF343/KX-TGF344/KX-TGF345/KX-TGF372/KX-TGF373/KX-TGF374/KX-TGF375/KX-TG585/KX-TGFA30
4.3.
Block Diagram (Base Unit_Main)
KX-TGF340/342/343/344/345/372/373/374/375/TG585 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
D101
CHARGE
DETECT
Q701
Q141
Q161
REGULATOR
IC302
Power Down
DET
Power supply
at AC failure
KEY
PAD
LED
VBAT
PDN_DET
CHARGE_DET
LCD
IC502
IC751
IC601
IC721
BT
Module
Q301
+1.8V
+3.0V
AVD/VDD
QSPI
CIDINp
CIDINn
P3_6
MICh
LSRp
RF_VDD
Q302
+2.4V
VDD_PA
ANT1
ANT2