4.5.
Block Diagram (Handset)
CHARGE
POWER SUPPLY
CONTROL
VBAT
BATTERY
3V
LED
(KEY)
Q6
4V
LED
(LCD)
CHARGE
RSTN
CONTROL
MIC
Receiver
Headset Jack
CN431
Monitor SP
CKM/STM
3V
IC3
X1
EEPROM
13.824 MHz
CHG_DET
RESET
CHG_CTL
BATTERY_ON
IC1
BBIC
MIP
MIN
HSSPOUTP
LOUT
HSMIP
HEADSET_DET
KEY_LED
SPOUTP
SPOUTN
CKM//STM
LCD
KX-TGA680 BLOCK DIAGRAM (Handset)
19
KX-TG6841BXB/KX-TGA680BXB
VBAT
RXp
RXn
TXp
TXn
4.0V
IC4
CHARGE
CP_OFF
PUMP
KEYS
ANT1
RF part
VBAT