Panasonic KX-TG2431W Service Manual page 26

KX-TG2431W / KX-TG2432W / KX-TG2432B / KX-TGA242W / KX-TGA242B
12 SCHEMATIC DIAGRAM (HANDSET_MAIN)
to RF PART
OSC_IN
RSSI
TX_DATA
MOD_EN
RX_EN
TX_EN
RX_GAIN
RX_DATA
SHCTRL
RF_RESET
SDATA
SLE
SCLK
SDIO
VBATT2
TA
ANT
TG
GND
IC381
VRF
1 5
NC VOUT
2
VSS
3 4
CE VIN
2.5V REG
LCD-Light
Amber
NC: No Components
BACK PAUSE
2.5V
DOWN *
MENU 0
UP SYA
NEXT HOLD
KEY-Light
Amber
BCK
C246 K0.1
IC249
NC
1 8
SI SO
2 7
SCK GND
3 6
RESET VCC
R249
4 5
CS WP
FLASH_BOOT
TEST
LEFT TALK SP
KIN_5
7 4 1
KIN_4
8 5 2
KIN_3
9 6 3
KIN_2
RIGHT OFF MUTE
KIN_1
LCD
26
NC
R203 100K
R204 NC
C204
K0.1
DB7
DB6
DB5
DB4
R272
430K(1%)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(36)
(37)
(38)
(39)
(40)
(41)
2.6V
(42)
(43)
(44)
(45)
3.0V
(46)
(47)