Block Diagram (Handset) - Panasonic KX-TG6641B Service Manual

KX-TG6641B/KX-TG6643B/KX-TG6644B/KX-TG6645B/KX-TGA660B
4.5.

Block Diagram (Handset)

Q4
CHARGE
VBAT
BATTERY
3V
LED
(KEY)
LED
(BELL)
Q6
Q5
4V
LED
(LCD)
VBAT
RSTN
D7
IC6
MIC
Receiver
Headset Jack
CN431
Monitor SP
CKM/STM
IC3
X1
EEPROM
13.824 MHz
CHG_DET
RXp
CHG_CTL
RXn
RXON
RESET
TXON
Battery_ON
IC1
BBIC
MIP
MIN
HSSPOUTP
LOUT
HSMIP
HEADSET_DET
CP_OFF
KEY_LED
BELL_LED
SPOUTP
SPOUTN
CKM//STM
LCD
KEYS
KX-TGA660 BLOCK DIAGRAM (Handset)
18
ANT1
VBAT
RF part
TXp
TXn
4.0V
VBAT
IC4
CHARGE
PUMP