Panasonic KX-TCD410RUT / KX-A141RUT / KX-TCD412RUT / KX-A142RUT Service Manual ▷ View 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
K1.0
C60
K4.7
R22
0
C63
D10P
C64
K1.0
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-A141RUT&142RUT
SCHEMATIC DIAGRAM (HANDSET)
(1)
(25)
(7)
(6)
(5)
(4)
(3)
(2)
(26)
(27)
(28)
(29)
(30)
(38)
(31)
(24)
(8)
~
(32)
(33)
(37)
(34)
~
85
KX-TCD410RUT / KX-A141RUT / KX-TCD412R UT / KX-A142RUT
38 SCHEMATIC DIAGRAM (CHARGER UNIT)
TP3
R2
27
TP4
D1
2
1
J1
pinL
DC_PLUG
22
Charge_minus
TP1
TP2
R1
Charge_plus
SCHEMATIC DIAGRAM (CHARGER UNIT)
86
KX-TCD410RUT / KX-A141RUT / KX-TCD412R UT / KX-A142RUT
39 CIRCUIT BOARD (BASE UNIT)
39.1. Component View
28
27
26
25
24
23
22
25
24
23
22
21
20
19
12 1314 15 16 17
34 33 32 31 30 29
18
Q1
S1
LED1
L2
L1
PbF
X1
IC4
IC1
IC3
IC2
JMP6
JMP2 JMP4 JMP3 JMP1
RL
Y1
Y1
R45
R44
1
R43
L4
C79
C89
D7
D10
D8
D9
C78
C48
C27
C88
C68
C41
C91
C43
R38
R66
R78
R79
L3
C53
C55
C70
C73
C71
DA1
R42
R41
R41
C82
C81
C85
C83
C57
L8
R84
C45
TP189
C21
C29
C35
C34
C34
C33
C32
C59
C52
C62
C7
C8
C9
C5
C49
C74
C2
C1
C63
C4
C11
C42
C14
C6
C13
C10
R59
R3
R1 R6
R2 R4
C36
C47
C30
C28
C64
R83
R40
R46
50
R39
R29
R30
R68
C19
C12
C16
C17
C51
C22
C18
C23
C24
C20
R31
R67
R58
R57
R35
R71
R72
R81
R82
R53
R54
R56
R8
C60
R55
R19
R20
R25
R28
R13
R14
R11
R15
R74
R73
R7
R77
R70
R85
R5
R9
R10
R27
R23
R32
R24
R12
R22
R21
R16
R18
R18
R26
R17
D1
D5
D2
D3
C92
C65
C80
C67
C72
C66
C56
Q6
C15
B C E
B C E
Q3
Q7
Q5
Q10
Q2
Q11
Q4
1
C39
C25
C46
C90
Q8
1
25
26
50 51
75
76
100
4
5
8
ANT
J1
A201
A202
J2
Q9
D4
C86
C54
C84
C58
17
16
32
C38
C69
C61
C37
R36
R33
R37
R80
C50
C76
C44
C26
SA1
C31
C40
C3
C87
C77
JMP5
JMP8
JMP7
1
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
10
11
Q9
(5.5V)
Q9
(4.0V)
Bell LED
(BBIC: 71)
Q8 Collector
(2.65V)
RESET
(BBIC: 23)
X1
(BBIC: 28
10.368 MHz)
KX-TCD410RUT&412RUT CIRCUIT BOARD (BASE UNIT) Component View
KX
-T
CD4
10RUT
/
K
X
-A1
41RUT
41RUT
/
K
X
-T
C
D412R
UT
/
K
X
-A142R
UT
87
39.2. Flow Solder Side View
TP1
TP84
TP97
TP82
TP187
TP91
TP188
TP101
TP89
TP2
1
3
5
2
4
6
TP5
TP90
TP50
TP45
TP39
TP3
TP40
TP85
J101 J103 J104 J102 J105
PbF
+2.65V
SD
A
SCL
GND
VBA
CK
CHARGE
CHARGE
CHARGE -
RF Clock
(10.368MHz)
CHARGE+
Q9 Output
(4V)
Q9 Input
(5.5V)
KX-TCD410RUT&412RUT CIRCUIT BOARD (BASE UNIT) Flow Solder Side View
KX
-T
CD4
10RUT
/
K
X
-A1
41RUT
41RUT
/
K
X
-T
C
D412R
UT
/
K
X
-A142R
UT
88
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