Panasonic KX-TC1205RUB Telephone User Manual


 
27.2. RF Unit (Handset)
RX
TX
KX-TC1205RUB/W/S/F SCHEMATIC DIAGRAM (Handset (RF Unit))
IC1
VREF
IST Mix IN
VCC2
VCO CONT
VCO1
VCO2
C-RECT
RX CP
TX CP
PLL GND
TX IN
VCC3 LO1 LO2 S-OUT DATA STB FL-OUT
FL-IN
COMP
OUT
C-NF
AF
OUT
REF
IN
AF-IN
REF
OUT
EXP OUT
REC IN
RO1
RO2
BAT. ALM
RSSI
DATA O/P
DATA I/P
FIL-INF OUTDET.
OUT
QUADIF
OUT
GND2DECIF
IN
VCC12ND
MIX
OUT
N-REC2ND
MIX
IN
E-REC
IST
MIX
OUT
IFT\7
VR8
RX DATA
GND
CLK
VOL1
VOL2
VB
RSSI
IC2-22
RF-STB
RF-DATA
RF-CLK
VTX
TXDATA
VBAT
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
R99
4K7
R0603
C60
27P
C0603
R21
82K
R0603
C80
103
C0603
C79
103
C0603
C78
103
C0603
REC1
SD153
SIP2
R97
R0603
100K
R110
1K
R0603
R109
1K
R0603
R108
1K
R0603
C22
39P
C0603
Q1
SOT-23\EBC
R10
R0603
82K
C87
N/A
C0603
MC1
MIC
+
C51
10U/16V
EC5/2.5
R36
2K
R0603
C88
104
C0603
C3
39P
C0603
C20
NA
C0603
R107
2K2
R0603
C85
105
C0603
C10
NA
C0603
C50
103
C0603
C2
473
C0603
C52
103
C0603
R1
330
R0603
R5
10K
R0603
R3
6K8
R0603
L1
0.68UH
L7.5
R26
10K
R0603
C44
105
C0603
R15
0
R0603
C41
22P
C0603
VC1
20P
C32 104
C0603
Q2
SOT-23\ECB
Q3
SOT-23\ECB
R20
1K8
R0603
R18
10K
R0603
C38
100P
C0603
R6 10K
R0603
C28
6800P
C0603
R29
6K8
R0603
C53
223
C0603
C27
104
C0603
R13
12K
R0603
C23
102
C0603
R9
82K
R0603
C30
104
C0603
R16
10K
R0603
R51
2K7
R0603
R45
100K
R0603
R49
47K
R0603
C9
103
C0603
27P
C0603
C35
680P
C0603
T1
1431
IFT\7
13
R50
8K2
R0603
DPX1
DPX0830
DUP\25P
3
4
2
5
1
ANT
GRX
GTX
RX
TX
R2
15K
R0603
T5
1856
IFT\7
4
5
3
2
1
C5
104
C0603
R8
220K
R0603
R19
4K7
R0603
C34
100P
C0603
R106
150
R0603
C47
682
C0603
T6 1960
IFT\7
+
C42
47U/10V
EC5/2.5
C54
10P
C0603
Q5
SOT-23\EBC
R44
39K
R0603
DV1
VCD2
C61
104
C0603
R41
68K
R0603
R39
220K
R0603
R35 47K
R0603
R34
220K
R0603
C56
1P
C0603
X1
10.245MHZ
XTAL\10A
R7
NA
R0603
C46
NA
C0603
C39
150P
C0603
R28
120K
R0603
C21
223
C0603
L6
1.8uH
L7.5
+
C1
47UF/10V
EC5/2.5
C8
473
C0603
C36
18P
C0603
C6
102
C0603
CF2
455E
FILTER\2
1 5
2
3
4
+
C37
10U/16V
EC5/2.5
C7
104
C0603
CF1 10.7MHZ
FILTER\1
1
2
3
C24
22P
C0603
+
C12
2U2/50V
EC5/2.5
C13
27P
C0603
R25
56K
R0603
C16
473
C0603
+
C29
2.2U/50V
EC5/2.5
C17
102
C0603
+
C15
10U/16V
EC5/2.5
+
C18
2.2U/50V
EC5/2.5
R11
R0603
5K6
R17
5K1
R0603
T3
1440
4
6
3
2
1
R14
15K
R0603
C26
103
C0603
+
C43
2U2/50V
EC5/2.5
R24
4K7
R0603
R101 0 R0603
C55
103
C0603
R43
R0603
100K
R47
2K2
R0603
R38
0
R0603
Q6
SOT-23\EBC
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
Q4
SOT-23\ECB
C40
103
C0603
C59
27P
C0603
C62
56P
C0603
R52
680
R0603
R40
33
R0603
C11
NA
C0603
C14
103
C0603
R46
430K
R0603
C49
223
C0603
C57 15P
C0603
R48
22K
R0603
C58
103
C0603
R42
22K
R0603
R91
0
R0603
R96
0
R0603
R94
330K
R0603
R95 39K
R0603
R93
10K
R0603
C75
103
C0603
C76
470P
C0603
C77
470P
C0603
R12
220K
R0603
C31
103
C0603
R103
1M
R0603
ANT1
ANTENNA
PAD3
R102
333
C0603
R98
4M7
R0603
C45
683
C0603
R30
0
R0603
R37
1K
R0603
+
C48
47U/10V
EC5/2.5
R22
4K7
R0603
C33
104
C0603
R23
47K
R0603
450kHz
3.9V 0V
10.7MHz
2.1V
RX
3.9V
3.1V
(In Talk Mode)
TX
0V
KX-TC1205RUB / KX-TC1205RUW / KX-TC1205RUS / KX-TC1205RUF
63