Block Diagram (Handset) - Panasonic KX-TG4021LAT Service Manual

KX-TG4021LAT/KX-TG4022LAT/KX-TG4023LAT/KX-TGA403LAT
4.5.

Block Diagram (Handset)

Q4
CHARGE
BATTERY
BATTERY
3V
LED
(KEY)
Q7
LED
D7
C144
1.8V
D1
Q2
MIC
Receiver
3V
(BELL)
Monitor SP
CKM/STM
3V
IC3
X1
EEPROM
10.368 MHz
CHG_DET
CHG_CTL
Power_adj
VDD_PADRV
RESET
RF_RXn
RF_RXp
AVD
CP_VOUT2
LD0_CTRL
IC1
BBIC
VDDPA
MICp
MICn
LSRp
LSRn
KEY_LED
BELL_LED
PAOUTp
PAOUTn
CKM//STM
3V
LCD
KEYS
KX-TGA403 BLOCK DIAGRAM (Handset)
18
BATTERY
TXn
IC801
TXp
PSEL
PON
TXON
RXON
RF PART
3V
BATTERY
1.8V
VDD2
VDD1
ANT1