Read Panasonic KX-TCD225UA / KX-TCA122UA / KX-TCA121UA Service Manual online
(5)
(3)
(4)
(2)
(1)
(7)
(8)
(9)
(9)
(10)
(6)
L6
0
L7
0
A201
C60
K4.7
D10P
C54
(1005)
C63
K4.7
C2P
C55
(1005)
C50
D10P
(1005)
C49
C2P
(1005)
R59
0
(1005)
C47
C2P
(1005)
D10P
C51
(1005)
C46
D10P
(1005)
R54
0
(1005)
C66
C2P
CN6
RFmodule
GND
ANT2
3
4
4
2
1
VCCPA
GND
GND
6
5
VCC_OC
GND
8
7
RSSI
9
SYRI
10
GND
11
GND
12
SYEN
13
SYDA
14
SYCL
15
GND
16
RX_DATA
17
GND
18
TXDA
19
GND
20
RESET
21
ANT1
22
GND
23
GND
24
GND
25
GND
26
GND
27
GND
28
GND
29
GND
30
GND
31
A_1
32
GND
C48
D10P
(1005)
J22P
C62
(1005)
CLK
+2.5V
D10P
C44
(1005)
J150P
C53
(1005)
BATTERY
REV_TEST2
-
REV_TEST1
+
D5
4.7M
D4
4.7M
+3.3V
IC2
NC
1
CD
2
FC2
3
FC1
4
VIN
5
VO1
6
VCC
7
GND
8
VO2
SP_TEST2
SP_TEST1
TP22
MIC
R37
0
R38
0
C12
K1.0
TP23
+3.3V
NC
C67
(1005)
NC
C76
C61
NC
C64
NC
(2125)
C65
NC
C59
NC
(2125)
R62
NC
(1005)
R55
NC
(1005)
NC
C83
(1005)
R75
1K
(1005)
K1000P
C84
(1005)
ANT
D10P
C70
D10P
C69
R74
NC
C109
D10P
(1005)
D10P
C78
(2125)
D10P
C79
(2125)
J10P
C95
(2125)
C90
NC
(1005)
R85
33
(1005)
R25
330
(1005)
R26
330
(1005)
C10
K0.1
R86
33
2.2K
R29
C103
D10P
C87
D10P
C17
D10P
C123
D10P
L9
33nH
C13
NC
NC
D8
NC
D10
C14
NC
C15
NC
C16
NC
C38
NC
C75
NC
C77
NC
C80
NC
C81
NC
C86
NC
C92
NC
R34
NC
R35
NC
R36
NC
R80
NC
R67
NC
R66
NC
K1000P
C45
(1005)
RSSI
SK
SIO
LE
TDO
RDI
RFCLK
CD_AMP
RESET
-
+
SPEAKER
KX-TCA122/121 SCHEMATIC DIAGRAM (HANDSET)
NC : No Components
2.5V
0V
10.368MHz
TX DATA
RX DATA
TX-AF
TX-AF
1.0V DC supply to MIC
SP-phone RX Signal
Beep
Beep
RX_AF
(Handset)
(Handset)
109
KX-TCD225UA / KX-TCA122UA / KX-TCA121UA
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