Read Panasonic KX-TCD435RU / KX-TCD437RU / KX-A143RU Service Manual online
TX-AF
RX-AF
1.8V DC IN TALK MODE
Frequency 10.368MHz
TX - DATA
RX - DATA
1V
MIC
R5 330
C4 K0.1
R1 2.2K
R7 330
C5
6.3V4.7
C6
D10P
C7
K0.1
R8
330
C8
D10P
C10
D10P
C11
D10P
C16
C1P
C17
J18P
S10
C24
K0.1
C26
K0.1
C28
K0.1
C29
K0.1
C30
K0.1
R12
NC
C12
D10P
C31
D10P
R18 33
C57
J33P
A201
L3
4.7uH
D3
R20 0
R17 0
TP11
TP1
TP2
R23
2.2
C62
K
1.0
C60
K
4.7
R22
0
C63
D10P
C64
K
1.0
X1
TP13
C55
C2P
C56
C2P
C54
D10P
TP17
TP16
C65
C2P
C25
NC
D5
NC
C66
C2P
TP15
IC3
5
RSSI
6
VCC_OC
7
GND
8
SYCL
9
SYDA
10
SYEN
11 GND
12
RXDSG
13
SYRI
14
GND
16
GND
17
GND
18
GND
19
GND
20
RXDA
21
GND
22
GND
23
GND
24
PAON
25
GND
26
GND
27
VCC_PA
28
GND
29
GND
30
GND
31
GND
32
GND
33
RF1
34
GND
GND
1
GND
2
GND
3
TXDA
4
CN5
1 SP+
2 SP-
D6
D7
TP19
R24 0
’POWER’
SP
-
+
400
µ
s typically
2.5V
0.5V
0V
KX-A143
RU
B/
RU
C/
RU
W
SCHEMATIC DIAGRAM (HANDSET)
(1)
(25)
(7)
(6)
(5)
(4)
(3)
(2)
(26)
(27)
(28)
(29)
(30)
(38)
(31)
(24)
(8)
~
(32)
(33)
(37)
(34)
~
C67
C68
10P
10P
NC
NC
NC
NC
91
KX-TCD435RU / KX-TCD437R U / KX-A143RU
Click on the first or last page to see other KX-TCD435RU / KX-TCD437RU / KX-A143RU service manuals if exist.