Panasonic KX-TG1843ALS Service Manual page 85

(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
BATTERY
L9
33nH
10.368MHz
+2.5V
2.5V
0V
RSSI
CLK
R54
RFCLK
0
(1005)
LE
SK
1.0V DC supply to MIC
TX-AF TX-AF
C14
NC
C81 R80 C13
NC NC NC
CD_AMP
85
KX-TG1843ALS / KX-TGA122AZS / KX-TGA121AZS
A201
ANT
1 GND GND 24
2 ANT2 GND 23
CN6
3 VCCPA GND 22
4 GND ANT1 21
RFmodule
5 GND RESET 20
6 VCC_OC GND 19
7 GND TXDA 18
8 RSSI GND 17
RX DATA
R25
330
(1005)
R26
330
(1005)
SP-phone RX Signal
+3.3V
Beep
D10
NC
L6 0
L7 0
C77
+3.3V
NC
R34
C38
NC
NC
R35 R36
NC NC
VIN VO1
4 5
D8
FC1 VCC
3 6
NC
GND
FC2
2 7
CD VO2
1 8
IC2
NC
RX_AF
(Handset)
KX-TGA122/121 SCHEMATIC DIAGRAM (HANDSET)
R75
RESET
1K
(1005)
TX DATA
R59
TDO
0
(1005)
SIO
R29
2.2K
TP22
R37
C10
MIC
K0.1 0
R38
0
TP23
SP_TEST1
+
-
SP_TEST2
SPEAKER
R67
NC
R66
NC
REV_TEST1
-
REV_TEST2
NC : No Components