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Model
KX-TCD400RUB KX-TCD400RUC KX-TCD400RUF KX-A140RUB KX-A140RUC KX-A140RUF
Pages
81
Size
1.87 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-tcd400rub-kx-tcd400ruc-kx-tcd400ruf-kx-a140rub-.pdf
Date
PREV: Panasonic KX-TCD400BXB / KX-A140EXB Service Manual

Panasonic KX-TCD400RUB / KX-TCD400RUC / KX-TCD400RUF / KX-A140RUB / KX-A140RUC / KX-A140RUF Service Manual ▷ View online

36 CIRCUIT BOARD (BASE UNIT)
36.1.  Component View
R66
R38
R67
R86
R87
R88
R36
R58
R33
R52
R29
R31
R55
R17
R16
R13
R21
R24
R12
R11
D6
R26
R22
R23
R72
R71
JMP4 JMP3
JMP2
JMP5
JMP8
JMP7
JMP6
JMP1
R7
R10
R74
R54
R53
R70
R2
R4
R5
R6
R1
R3
R77
R73
R9
R32
R27
R8
C14
C13
C80
C79
Q7
Q5
B  C  E
Q2
Q3
Q11
Q1
S1
Q4
J1
J2
R18
R20
R19
R28
C16
C17
R25
R14
R15
R56
R30
C19
D5
Q10
C18
C20
C25
Q8
Q6
B
C
E
D2
C40
D4
SA1
C77
RLY1
C3
C15
LED1
R68
R35
4
1
5
8
R43
R44
R45
A201
A202
L1
R42
R41
R78
R79
Q9
C55
C53
C41
C43
C68
C48
C38
C27
C26
C29
C21
R57
C28
C12
C11
C9
C51
C22
C10
C1
C2
C63
D8
D1
D3
D7
L2
C4
C6
C7
C62
PbF
C60
C49
C74
R82
R81
R85
C5
C8
C23
C24
X1
C34
C33
C35
C36
C30
C32
C37
C50
1
L3
C70
C57
C83
C85
C73
C71
C56
28
18
IC3
IC2
IC1
11
64
1
49
33
ANT
C66
C72
C58
C54
DA1
C81
C87
C84
C82
C75
C86
C78
C69
C88
C67
C76
Bell LED
(BBIC: 44)
Q8 Collector
(2.65V)
Bell
(BBIC: 26)
Bell
(BBIC: 27)
X1
(BBIC: 18
10.368 MHz)
RESET
(BBIC: 14)
Q9
(5.5V)
Q9
(4.0V)
1
2
3
4
5
6
7
8
9
10
28
27
26
25
24
23
22
21
20
19
11 12 1314 15 16 17
34 33 32 31 30 29
18
KX-TCD400RUB/RUC/RUF CIRCUIT BOARD (BASE UNIT) Component View
K
X
-T
C
D
40
0R
U
B
/K
X
-T
C
D
40
0R
U
C
/K
X
-T
C
D
40
0R
U
F
/K
X
-A
14
0R
U
B
/K
X
-A
14
0R
U
C
/K
X
-A
14
0R
U
F
%%
36.2.  Flow Solder Side View
KX-TCD400RUB/RUC/RUF CIRCUIT BOARD (BASE UNIT) Flow Solder Side View
Q9 Output
(4V)
CHARGE -
Q9 Input
(5.5V)
TP89
TP188
TP91
TP1
TP97
TP50
TP45
TP40
TP5
1
2
4
6
5
TP90
TP101
TP2
TP3
TP39
TP187
GND
VBA
CK
SCL
SD
A
+2.65V
TP82
TP84
CHARGE+
J105
J102
J104
J103
J101
CHARGE
PbF
RF Clock
(10.368MHz)
CHARGE+
K
X
-T
C
D
40
0R
U
B
/K
X
-T
C
D
40
0R
U
C
/K
X
-T
C
D
40
0R
U
F
/K
X
-A
14
0R
U
B
/K
X
-A
14
0R
U
C
/K
X
-A
14
0R
U
F
%&
37 CIRCUIT BOARD (HANDSET)
37.1.  Component View
C54
R23
R24
D1
C63
C66
C62
C65
C14
TP1
TP2
PbF
SP
SP
C2
C15
L2
L3
D7
D3
D5
C10
R17
C12
R11
R16
C22
C30
C8
C3
C26
C28
C29
C6
R8
D2
D4
C16
C17
R12
R22
Q3
Q2
R4
C7
C4
C5
C33
MIC
R5
R7
R1
D6
C11
R20
R2
R3
C21
C25
R19
D5
IC1
IC2
100
80
30
F1
50
5
8
4
1
1
R18
C27
TP18
C20
C23
C18
L5
L4
R21
R6
C24
X1
Q1
C31
TP19
TP13
TP17
TP14
TP16
TP12
TP3
TP4
TP10
BAT
GND
SCL
SDA
C57
C64
C56
C55
11
18
1
28
27
26
25
24
23
22
21
20
19
18
28
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
34
33
32
31
30
29
1
IC3
C60
TP2: SP+
(BBIC: 41)
TP1: SP-
(BBIC: 42)
TP14
(4V)
RF Clock
(BBIC: 23 10.368 MHz)
VDD
(2.65V)
CDT
(BBIC: 27)
TP12
CN3
(TP3)
GND
TP4
KX-A140RUB/RUC/RUF CIRCUIT BOARD (HANDSET) Component View
K
X
-T
C
D
40
0R
U
B
/K
X
-T
C
D
40
0R
U
C
/K
X
-T
C
D
40
0R
U
F
/K
X
-A
14
0R
U
B
/K
X
-A
14
0R
U
C
/K
X
-A
14
0R
U
F
%'
37.2.  Flow Solder Side View
KX-A140RUB/RUC/RUF CIRCUIT BOARD (HANDSET) Flow Solder Side View
1
PROG
PbF
BOOK
UP
POWER
CAN
DOWN
RIGHT
REDIAL
LEFT
1
2
3
6
5
7
0
#
R
4
9
8
INT
MIC
TALK
36
CN2
K
X
-T
C
D
40
0R
U
B
/K
X
-T
C
D
40
0R
U
C
/K
X
-T
C
D
40
0R
U
F
/K
X
-A
14
0R
U
B
/K
X
-A
14
0R
U
C
/K
X
-A
14
0R
U
F
&
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