
RX
TX
+5V
+5V
0V
0V
+12V
0V
+12V
0V
0V
+12V
+12V
+5V
13V to 5V
While charging
1Vp-p
8MHz
ADAPTOR
120V AC
12VDC
200mA
CHG D
TX D
VCC
HOOK
OSCO
OSCI
CHG LD
DTMF1
DTMF2
DTMF3
DTMF4
PAGE
RXDATA
CLOCK
DATA
POW F
TEST
DTMF0
P MUTE
RESET
COUT1
AGC CIRCUIT
AGC
CIRCUIT
RING
IMPEDENCE
PULSE
DAIL
LIMITED CURRENT
RING SELECT
STROBE
CNDET
VTX
bit0
bit1
bit2
0
0
1
CRYSTAL
CHARGE--
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
ZD9
NA
ZD7.5
+
C102
220UF/25V
EC10/5
R153
1M
R0603
R166
47
R0603
C120
103
C0603
C121
103
C0603
C104
104
C0603
ZD10
15V/0.5W
ZD7.5
C64
104
C0603
+
C66
100uF/10V
EC10/5
R57
220K
R0603
R64
10K
1/4W
R10
R88
10K
R0603
C63
103
C0603
X2
7.952MHz
XTAL\10
C67
22P
C0603
L11
JUMP
L5
LED1
19-21VGC/
TR8 GREEN
CHARGE
LED
L4
12uH
L5
FS1
JUMP 5MM
FUSE\12.5
C76
680P 500V
CC6\5
D1
D\362
JK1
LINE JACK 4C
LINE\JK1
1
2
3
4
T7
LB-0627
6
1
2
4
3
5
RY1
500 OHM
RY1
C77
150P
C0603
C96
103
C0603
ZD8
ZD7.5
R145
1K
R0603
ZD4
NA
ZD7.5
+
-
12
13
14
4
11
Q6
SOT-23
JK2
JACK DC
ZNR1
270V
ZNR\7K
Q20
SOT-23
L3
12uH
L6/5
R89
10K
R0603
R83
10K
R0603
R84
10K
R0603
R59
100K
R0603
R61
220K
R0603
R58
510
R0603
R86
47K
R0603
R105
33K
R0603
C75
223
C0603
L6
12uH
L5
C80
680P 500V
CC6\5
R144
20M 1/4W
R10
R120
0
R0603
R107
110 2W
R54
R74
0
R0603
C65
22P
C0603
C71
104
C0603
Q9
SOT-23
+
C68
0.47uF/50V
EC5\5
R92
10K
R0603
R99
82K
R0603
R98
12K
R0603
Q7
SOT-23
Q8
SOT-23
L7
12uH
L7.5
L5
12uH
L7.5
L8
Jumper
L10
L9
Jumper
L7.5
R100
100K
R0603
R118
150 1/2W
R10
+
C95
470UF\25V
EC10\5
+
C94
100UF\10V
EC8\2.5
C99
103
C0603
R106
22 1/4W
R5.08
R142
22 1/4W
R10
Q18
TO-92\
EBC
R108
4K7
R0603
R114
22K
R0603
R109
330K
R0603
+
C78
470UF/10V
EC10/5
Q21
SOT-23
C83
223
C0603
ZD3
4V7
D\362
ZD5
4V7
D\362
R111
680
R0603
R167
10K
R0603
Q11
SOT-23
C89
NA
C0603
R133
82
R0603
R115
56K
R0603
R87
10K
R0603
R122
390
R0603
R126
470
R0603
C90
683
C0603
C85
683
C0603
R129
11K
R0603
R123
18K
R0603
C92
104
C0603
R141
5K1
R0603
R119
82K
R0603
R143
510K
R0603
R148
10K
R0603
R149
1K8
R0603
D7
2700V
MPC28/28
+
C97
4U7/50V
EC5\5
R150
510K
R0603
C101
562
C0603
Q19
TO-92\EBC
+
C98
22uF\16V
EC5\2.5
R60
22K
R0603
R146
15K
R0603
D2
D10B
R171
1K
R0603
R180
56K
R0603
D4
D10B
D3
D10B
R128
20M 1/4W
R10
R91
150K
R0603
R127
20M 1/4W
R10
Q16
SOT-23
R139
20M
R0603
R157
30K
R0603
R117
10M
R0603
C88
104
C0603
Q13
SOT-23
R177
100K 1/4W
R10
R134
1K
R0603
C84
103
C0603
Q12
TO-92\EBC
R121
NA
R0603
R172
1M
R10
R140
15K
R0603
Q15
TO-92\EBC
R130
27 R0603
R10
R124
27 R0603
R10
R138
4K7
R0603
C87
NA
C0603
C86
103
C0603
R159
100K
R0603
R137
4K7
R0603
R163
NA
R0805
R116
0
R0603
R158
NA
R0603
R162
NA
R0805
R160
0
R0805
R161
0
R0805
C108
104
0603
R82
10K
R0603
R97
8K2
R0603
R93
100 K
R0603
R76
NA
R0603
R151
6K8/1W
R12.5
R112
1K
R0603
R94
NA
R0603
R113
33/1W
R12.5
C93
562
C0603
C106
105
C0603
R78
39K
R0603
C107
104
C0603
R77
20K
R0603
R75
10K
R0603
+
-
3
2
1
4
11
R81
160K
R0603
R101
NA
R0603
R79
82K
R0603
C69
270P
C0603
R104
4K7
R0603
R90
270K
R0603
R96
270K
R0603
C70
223
C0603
C72
223
C0603
R103
22K
R0603
R95
3K9
R0603
C73
104
C0603
C74
104
C0603
+
C105
100UF/10V
EC5/2.5
D6
D10B
ZD2
22V/1W
ZD7.5
C79
104
C0603
C82
104
C0603
R179
18K
R0603
R178
100K
R10
ZD1
22V/1W
ZD7.5
SW1
PAGE
SW2P
1
2
3
5
6
7
8
9
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4
10
XOUT
XIN
TEST
P66
P65
P64
P63
P62
P60
P77
P76
VSS
VDD
RST
P10
P11
P12
P13
P14
P15
P16
P17
P72
P73
P74
P75
P67
P61
R68
100K
R0603
C100
1U/250V
MPC25\22
ZD6
27V
ZD7.5
ZD7
27V
ZD7.5
IC5
DIP4
Q10
TO-92\EBC
R63
100K
R0603
D5
D10B
+
C91
10uF/100V
EC5\5
R110
100K
R0603
R62
NA
R0603
+
-
10
9
8
4
11
R102
NA
R0603
+
-
5
6
7
4
11
R147
0
R0603
R152
20M 1/4W
R10
R125
NA
R0603
R132
2K2
R0603
R131
100K
R0603
Q14
SOT-23
Q17
SOT-23
C81
1U/250V
MPC25/22
R85
10K
R0603
R80
2K2 R0603
VCPU
RING DET
VREG
AGC1
VB
VREG
VB
AGC2
VREG
VREG
RF-DATA
RX DATA
TX DATA
EXPO
COMP
VCPU
RINGDET
PMUTE
CR-DET
VREG
CHAG-CNTL
CHAG-CNTL
VTX
RF-STB
A
JK1 PIN2
RF-CLK
PMUTE
AGC2
AGC1
VB
KX-TC1201BXB/BXW/BXS/BXF SCHEMATIC DIAGRAM (Base Unit)
Содержание KX-TC1201BXB
Страница 3: ...1 BATTERY 1 1 Recharge 1 2 Battery information 3 ...
Страница 4: ...2 BATTERY REPLACEMENT 3 LOCATION OF CONTROLS 3 1 Base Unit 4 ...
Страница 5: ...3 2 Handset 5 ...
Страница 6: ...4 CONNECTION 6 ...
Страница 9: ...5 OPERATIONS 5 1 Making Calls 5 2 Answering Calls 9 ...
Страница 10: ...5 3 Storing Phone Numbers in Memory 5 4 Storing a Phone Number in the DIRECT Button 10 ...
Страница 11: ...5 5 Dialing a Stored Number 5 6 Dialing a Stored Number in the DIRECT Button 11 ...
Страница 12: ...5 7 FLASH Button 6 DISASSEMBLY INSTRUCTIONS 12 ...
Страница 25: ...Note Refet to CIRCUIT BOARD Handset Signal Route 9 2 How to change the channel 9 3 Adjustment 25 ...
Страница 28: ...28 ...
Страница 30: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 30 ...
Страница 31: ...13 3 Changing the Channel 31 ...
Страница 43: ...Fig 6 18 CPU DATA Base Unit 18 1 IC2 43 ...
Страница 44: ...19 CPU DATA Handset 19 1 IC2 44 ...
Страница 45: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 45 ...
Страница 48: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 48 ...
Страница 49: ...23 ACCESSORIES AND PACKING MATERIALS 49 ...
Страница 69: ...IC5 KX TC1201BXB BXW BXS BXF CIRCUIT BOARD Component View Base Unit ...
Страница 71: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...