Block Diagram (Handset) - Panasonic KX-TG4753B Service Manual

KX-TG4753B/KX-TG470B/KX-TGA405B
4.5.

Block Diagram (Handset)

Q3
CHARGE
VBAT
BATTERY
3V
LED
(KEY)
LED
(BELL)
Q6
Q5
4V
LED
(LCD)
VBAT
CHG_DET
CHG_CTL
RSTN
RESET
MIC
MIP
MIN
Receiver
HSSPOUTP
Headset Jack
LOUT
HSMIP
CN431
HEADSET_DET
KEY_LED
BELL_LED
Monitor SP
SPOUTP
SPOUTN
CKM/STM CKM//STM
LCD
IC3
X1
EEPROM
13.824 MHz
RXp
RXn
RXON
TXp
TXn
TXON
IC1
BBIC
CP_OFF
KEYS
KX-TGA470 BLOCK DIAGRAM (Handset)
18
ANT1
VBAT
RF part
4.0V
VBAT
IC4
CHARGE
PUMP