Panasonic KX-TG7120FXT Service Manual page 67

2.5V
0V
(1)
(2)
(3)
(4)
(5)
+2.5V
(6)
(7)
R43 680k
(8) 2
R44 10k
(9) 2
(10)
(11)
10.368MHz
+2.5V
RSSI
RFCLK
LE
SK
IC3
EEPROM
8 1
VCC A0
7 2
WP A1
6 3
SCL A2
5 4
SDA GND
3
1
Q10
3
1
Q11
ANT1
BATTERY
1
GND1
2
ANT2
3
VCCPA
4
GND2
5
GND3
6
VCC_OC
RF Module
7
GND4
8
RSSI
9
SYRI
10
GND5
CLK
R51 NC
+5V DC supply to Mic
TX-AF
RX-AF
(Handset)
Sp-phone RX
Beep
67
KX-TG7120BXS/KX-TG7120BXT/KX-TGA711CXS/KX-TGA711CXT
ANT
26
GND14
25
GND13
24
GND12
23
GND11
22
IC4
GND10
21
ANT1
20
*RESET
19
GND9
18
TXDA
17
GND8
RX DATA
R23 470 R25 2.2k
C11
R24 3.3k R21
100n
TP23
KX-TGA711 SCHEMATIC DIAGRAM (Handset)
R52 1k
RESET
TX DATA
TD0
SIO
TP22
33
MIC
1
2
REV_TEST1
REV_TEST2
SP_TEST1
SP_TEST2
NC: No Components