Panasonic KX-FG2452CX Service Manual page 58

KX-FG2452CX
6.14.5. Handset Section
6.14.5.1. Block Diagram (Handset)
Q231
CHARGE
DETECT
Q361
CHARGE
D361
BATTERY
IC373, Q373
3.0V
CONVERTOR
Q362, Q363
CHARGE
CONTROL
IC221, Q221
RESET
IC374
POWER DOWN
IC371
2.6V
REGULATOR
MIC
SP
Headst Jack
CN331
Q331
HEADSET
DETECT
Monitor SP
CI
IC381
2.5V
REGULATOR
IC241
X201
EEPROM
13.824MHz
CHG_DET
OSC_IN
TX_DATA
RX_DATA
CHG_CTL
MOD_EN
RESET
SDATA
RX_GAIN
RX_EN
PDN
SHCTRL
RF_RESET
VCC
VCCR
VCCA
VCCPA
IC201
DSP
MIP
MIN
LOUTO (SP)
HSSPOUT
LINO (HS_MIC)
HEADSET_DET
ANT_LIGHT
SPOUTP
SPOUTN
AGPIO0
LCD
KEYS
KX-FG2452CX: HNADSET BLOCK DIAGRAM
58
RF part
SDIO
SCLK
SLE
TX_EN
RSSI
VBATT2
ANT