26.2. RF Unit (Base Unit)RX
TX
4.4V450kHz
10.7MHz
2.1V
4.8V
0V
0V
KX-TC1205RUB/W/S/F SCHEMATIC DIAGRAM (RF Unit (Base Unit))
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
C104
39P
C0603
R28
NA
R0603
R29
0
R0603
R27
56
R0603
R19
120K
R0603
R32
1M
R0603
R20
4M7
R0603
C129
104
C0603
IC4
4
3
2
1
5
6
7
8
R190
10K
R0603
C128
104
C0603
C133
39P
C0603
R12
100
R0603
C23
103
C0603
R39
NA
R0603
C109
682
C0603
R176
0
R0603
C50
22U/16V
EC5/5
R156
47
R0603
R18
4K7
R0603
R155
47
R0603
R154
0
R0603
C103
47UF/10V
EC5/5
R194
0
R0603
C13
NA
C0603
C47
103
C0603
C2
473
C0603
Q1
TO-92\EBC
R2
330
R0603 R5
10K
R0603
R4
8K2
R0603
R24
10K
R0603
C43
104
C0603
R17
0
R0603
L1
2.2uH
L7.5
R54
NA
R0603
C36
100P
C0603
VC1
20P
C40
27P
C0603
R8
10K
R0603
C28
104
C0603
C52
223
C0603
C29
104
C0603
R26
47K
R0603
ZD11
15V/0.5W
ZD7.5
R13
62K
R0603
R51
1K8
R0603
R44
100K
R0603
R49
47K
R0603
R170
1K
R0603
R174
1K
L10
R173
1K
L10
C12
103
C0603
C34
470P
C0603
T1
1431
IFT\7
13
R50
8K2
R0603
DPX1
0830
DUP\5P
3
4
2
5
1
ANT
GRX
GTX
RX
TX
R3
15K
R0603
C6
104
C0603
R21
47K
R0603
C33
100P
C0603
T5
1436
IFT\7
4
5
3
2
1
R1
47
R0603
C45
682
C0603
T6
1961
IFT\7
C41
47U/10V
EC5/5
C53
12P
C0603 Q3
SOT-23\ECB
R43
39K
R0603
DV1
VCD2
C61
104
C0603
R31
47K
R0603
R38
82K
R0603
R36
220K
R0603
C125
10P
C0603
R30
100K
R0603
X1
11.15MHZ
XTAL\10A
R9
NA
R0603
C54
2P
C0603
C44
105
C0603
C37
150P
C0603
R25
68K
R0603
C24
223
C0603
R52
2M2
R0603
L10
1.2uH
L10
C1
47UF/10V
EC5/5
C35
18P
C0603
C11
473
C0603
C8
104
C0603
CF2
450
FILTER\2
1 5
2
3
4
C38
1U/16V
EC5/5
C7
102
C0603
CF110.7MHZ
FILTER\1
1 3
2
R14
R0603
10K
C26
7P
C0603
C16
27P
C0603
R23
56K
R0603
C15
2U2/50V
EC5/5
C30
2U2/50V
EC5/5
C18
473
C0603
C17
10U/16V
EC5/5
C19
102
C0603
C31
103
C0603
R15
R0603
5K6
T2
1437
4
6
3
2
1
C20
2U2/50V
EC5/5
R16
15K
R0603
C27
103
C0603
C55
103
C0603
R22
4K7
R0603
C42
2U2 50V
EC5/5
R41
R0603
47K
R46
2K2
R0603
R33
0
R0603
IC1
39
40
41
42
24
22
23
21
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
19
18
17
16
15
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
24
22
23
21
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
19
18
17
16
15
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Q5
SOT-23
Q2
SOT-23
C60
18P
C0603
C39
103
C0603
R45
330K
R0603
C25
822
C0603
C48
223
C0603
C57
39P
C0603
C62
39P
C0603
C59
39P
C0603
R56
2K2
R0603
R37
100
R0603
L12
750nH
L1206
R48
22K
R0603
C58
682
C0603
R40
22K
R0603
R175
NA
R0603
C51
103
C0603
C10
470P
C0603
C9
470P
C0603
R10
39K
R0603
R7
330K
R0603
R6
10K
R0603
R193
100K
R0603
R191
68K
R0603
R192
120K
R0603
R47
NA
R0603
C131
104
C0603
C32
2U2/50V
EC5/5
C4
103
C0603
C22
103
C0603
ANT1
ANTENNA
PAD3
R53
15K
R0603
R42
10K
R0603
R35
100
R0603
C130
10uF
C0603
C5
NA
C0603
C46
102
C0603
C14
NA
C0603
C56
18P
C0603
R55
680
R0603
Q4
SOT-23\
ECB
C49
103
C0603
C110
47P
R0603
R34
NA
R0603
CH+
A
VREG
VB
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205R US / KX-TC1205RUF
61