Schematic Diagram (Handset) - Panasonic KX-TG2338BXS Service Manual

KX-TG2338BXS / KX-TGA236BXS

32 SCHEMATIC DIAGRAM (Handset)

TP_ANT
ANT
RSSI
TX_DATA
OSC_IN
MOD_EN
RX_EN
TX_EN
RX_GAIN
RX_DATA
SHCTRL
RF_RESET
SDATA
SLE
SCLK
SDIO
VBATT2
DEMOD
DMOD
2.5V
GND
LIGHTED KEY
HEADSET-JACK
HANDSET SP
-12dBm OUT
HOLD
HOLD
FLASH
FLASH
REDIAL
REDIAL
IC204
MENU
2.5V REG
MENU
LCD_Back-Light
-16.5dBm OUT
CN203
SP1
5
SP2
4
MIC2
3
MIC1
2
GND
1
-45dBm IN
SPM
R226 18
R227 18
-
+
R321 NC
C324 NC
SPP
VOUT1 -VIN
5 4
VCC +VIN
6 3
GND VREF
7 2
VOUT2 CD
8 1
IC207
NC
LEFT TALK SP_PHONE
LEFT TALK SP_PHONE
* 7 4 1
* 7 4 1
0 8 5 2
0 8 5 2
# 9 6 3
SYA 9 6 3
RIGHT UP DOWN OFF
RIGHT UP DOWN OFF
-0.5dBm OUT
SP-phone
(Line in -25dBm)
LCD
94
L206
C225
6V22
R232 10K
HEADSET-DET
Q206
L204
VCC
L205
C321
IC206
NC NC
FLASH_BOOT
C322
NC
1 8
SI SO
C323
2 7
SCK GND
NC
3 6
RESET VCC
D320 R290
4 5
NC CS WP
NC
TEST
C294 K0.1
L210
+
L209
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
RA201
4.7K
8 7
(12)
6 5
(13)
4 3
(14)
2 1
(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)
(42)
(43)
(44)
(45)
(46)
(47)
(48)
(49)
(50)
(51)
(52)