Panasonic KX-TG7341BXM Service Manual page 85

ANT_TP
GND
R107
ANT1
220
GND GND
(MAX500mA)
+1.8V
1.8V
1.8V
(1)
GND
GND
CP+2.5V RG+3.1V +1.8V
C172
0.1u
8 1
VCC A0
7 2
(2)
WP A1
IC3
6 3
(3)
SCL A2
64K
5 4
(4)
SDA GND
BATTERY RG+3.1V
(5)
(6)
(7)
GND
(8)
(9)
MICp
(10)
MICn
(11)
(12)
LCD_SDA
R56 0
LCD_SCL
R57 0
LCD_CD
LCD_RESET
R58 0
LCD_CSB
GND GND GND
GND
R108
ANT2
220
GND GND
C803
C801
1.3p
7p
C804 C802
2.4p 2.4p
GND GND GND GND
GND
C812 7p
GND
C809
10p
GND
L804
4.7n
GND
Sp-phone RX
Beep
LSRp
LSRn
RX-AF
(Handset)
+3.0V CP+2.5V
TX _AF
R55 0
GND GND
GND
to LCD UNIT
C826
1.5p
50
GND
BATTERY
C808
100n
C811
10p
GND
11
GND
10
VCC
GND
9
PO GND
8
POX
C810
7
PSEL
1.6p
6
PAON PRAMP
IC801
GND
C813
1.6p
TX_RF
GND_0
GND GND
VREFm
KX-TGA731 SCHEMATIC DIAGRAM (Handset_Main)
85
KX-TG7341BX/KX-TGA731BX
R807
220
C822
100p
GND
RX_RF
C832
7p
C833
7p
GND
R806
220
C825
10p
GND R805 47
C819
10p
GND
1
PSET
GND
2
VCCS
3
PI
4
PIX
5
C814
3.3n
TX_RF
GND
R803
1k
R804
1k
+
SP-PHONE_SPEAKER
-
GND GND_0 GND GND_0
+
RECEIVER
-
GND_0 GND_0 GND_0
MIC+
L10
1
33
L11 MIC
2
33
MIC-
GND
VREFm VREFm VREFm
NC: No Components
RXON
RF_RXn
RF_RXp
TXON
VDD_PADRV
Txn
Txp
PSEL
PON
PB1