Panasonic KX-TGH262B - Base Unit Main Block Diagram; Key Components and Interconnections

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KX-TGH260/KX-TGH262/KX-TGH263/KX-TGH264/KX-TGHA20/KX-TGA20
4.2. Block Diagram (Base Unit_Main)
KX-TGH260/262/263/264 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
IC601
IC611
IC502
IC721
BT
Module
Q301
+1.8V
+3.0V
AVD/VDD
QSPI
CIDINp CIDINn
P3_6 MICh
LSRp
RF_VDD
VDD_PA
ANT1 ANT2
IC722
BT_1.8V
BT_1.8V
CKM/STM
EEPROM
FLASH (Voice prompt)
FLASH (Program)