Block Diagram (Handset) - Panasonic KX-TG155SK Service Manual

KX-TG155SK/KX-TGA660M
4.7.

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
CHG_CTL
RESET
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)
20
VBAT
RF part
RXp
RXn
RXON
TXp
TXn
TXON
4.0V
IC4
CHARGE
PUMP
ANT1
VBAT