VREF
IST Mix I
N
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-IN
F OUT
DET.
OUT
QUAD
IF
OUT
GND2
DEC
IF
IN
VCC1
2ND
MIX
OUT
N-REC
2ND
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
R21
39K
R0603
C60
27P
C0603
C80
103
C0603
C78
103
C0603
C79
103
C0603
REC1
SD153
SIP2
R97
R0603
150K
C22
103
C0603
R10
330
R0603
R109
1K
R0603
R110
1K
R0603
R108
1K
R0603
C87
N/A
C0603
MC1
MIC
+
C51
10U/16V
EC5/2.5
R36
2K
R0603
C88
104
C0603
C20
NA
C0603
R107
2K2
R0603
R102
15K
R0603
C85
105
R0603
Q1
TO-92S\EBC
C2
473
C0603
C50
103
C0603
C10
NA
C0603
R3
6K8
R0603
R5
10K
R0603
R1
330
R0603
C52
103
C0603
L1
12P
L5
R15
0
R0603
C44
105
C0603
R26
10K
R0603
R6
10K
R0603
C38
100P
C0603
R18
10K
R0603
R20
NA
R0603
Q3
NA
SOT-23\ECB
Q2
SOT-23\ECB
C32
104
C0603
VC1
20P
C41
22P
C0603
R29
1K5
R0603
C27
104
C0603
C53
223
C0603
C28
222
C0603
R49
47K
R0603
R45
100K
R0603
R51
2K7
R0603
R16
10K
R0603
C30
104
C0603
R9
82K
R0603
C23
102
C0603
R13
68K
R0603
R50
8K2
R0603
T1
1431
IFT\7
1
3
C35
150P
C0603
C4
NA
C0603
C9
102
C0603
R2
15K
R0603
DPX1
DPX1046
DUP\10P
3
4
2
5
1
ANT
GRX
GTX
RX
TX
R106
82
R0603
T5
1432
IFT\7
4
5
3
2
1
C34
100P
C0603
R19
4K7
R0603
R8
220K
R0603
C5
104
C0603
Q5
SOT-23\EBC
C54
12P
C0603
+
C42
47U/10V
EC5/2.5
T6
1434
IFT\7
C47
333
C0603
C61
104
C0603
DV1
VCD2
R44
39K
R0603
R35 47K
R0603
R39
220K
R0603
R41
100K
R0603
R7
NA
R0603
X1
10.245MHZ
XTAL\10A
C56
5P
C0603
R34
220K
R0603
C46
473
C0603
R28
390K
R0603
C39
150P
C0603
C21
223
C0603
+
C1
47UF/10V
EC5/2.5
L6
0.68uH
L2.5
C36
18P
C0603
C8
473
C0603
C7
104
C0603
+
C37
10U/16V
EC5/2.5
CF2
455E
FILTER\2
1
5
2
3
4
C6
102
C0603
R25
91K
R0603
C13
27P
C0603
+
C12
2U2/50V
EC5/2.5
C24
12P
C0603
CF1 10.7MHZ
FILTER\1
1
2
3
+
C29
2.2U/50V
EC5/2.5
C16
473
C0603
+
C15
10U/16V
EC5/2.5
C17
102
C0603
C26
103
C0603
R14
15K
R0603
T3
1967
4
6
3
2
1
R17
6K8
R0603
R11
R0603
5K6
+
C18
2.2U/50V
EC5/2.5
R38
47
R0603
R47
2K2
R0603
R43
R0603
100K
C55
103
C0603
R101
0
R0603
R24
4K7
R0603
+
C43
2U2/50V
EC5/2.5
C40
103
C0603
Q4
SOT-23\ECB
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
Q6
SOT-23\EBC
C57
15P
C0603
C49
223
C0603
R46
470K
R0603
C14
103
C0603
C11
NA
C0603
R40
100
R0603
R52
2K2
R0603
C62
39P
C0603
C59
39P
C0603
R42
22K
R0603
C58
103
C0603
R48
22K
R0603
R91
0
R0603
R12
220K
R0603
C77
470P
C0603
C76
470P
C0603
C75
103
C0603
R93
10K
R0603
R95
39K
R0603
R94
330K
R0603
R96
47
R0603
C89
2P
C0603
C31
103
C0603
R103
1M
R0603
R113
NA
R0603
ANT1
ANTENNA
PAD3
R98
NA
R0603
C45
104
C0603
R30
10K
R0603
R37
1K
R0603
R22
NA
R0603
+
C48
47U/10V
EC5/2.5
C33
153
C0603
R23
47K
R0603
455kHz
3.9V
0V
10.695MHz
2.1V
RX
3.9V
3.1V
(In Talk Mode)
TX
0V
Summary of Contents for KX-TC1206TWB
Page 3: ...1 2 Battery information 2 BATTERY REPLACEMENT 3 ...
Page 4: ...3 LOCATION OF CONTROLS 3 1 Base Unit 4 ...
Page 5: ...3 2 Handset 5 ...
Page 6: ...4 CONNECTION 6 ...
Page 9: ...5 OPERATIONS 5 1 Making Calls 5 2 Answering Calls 9 ...
Page 10: ...5 3 Storing Phone Numbers in Memory 5 4 Storing a Phone Number in the DIRECT Button 10 ...
Page 11: ...5 5 Dialing a Stored Number 5 6 Dialing the Stored Number in the DIRECT Button 11 ...
Page 12: ...5 7 Flash Button 6 DISASSEMBLY INSTRUCTIONS 12 ...
Page 28: ...28 ...
Page 30: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 30 ...
Page 31: ...13 3 Changing the Channel 31 ...
Page 43: ...Fig 6 18 CPU DATA Base Unit 18 1 IC2 43 ...
Page 44: ...19 CPU DATA Handset 19 1 IC2 44 ...
Page 45: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 45 ...
Page 48: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 48 ...
Page 49: ...23 ACCESSORIES AND PACKING MATERIALS 49 ...
Page 64: ...H M KXTC1206TWB KXTC1206TWS KXTC1206TWF KXTC1206TWP 64 ...
Page 67: ...IC5 ...
Page 69: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...
Page 71: ...IC2 G Noise Squelch A Battery Low VDD CPU 40 CHG DET CPU 37 TX DATA CPU 36 TX DATA DV1 ...