RX
TX
+5V
+5V
0V
0V
+12V
0V
+12V
0V
0V
+12V
+12V
+5V
13V to 5V
While charging
1Vp-p
8MHz
A
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
RIN G
IMPEDENCE
PULSE
DAIL
LIMITED
CURRENT
STROBE
CNDET
VTX
JK1
RING SELECT
CHARGE--
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
ZD9
NA
ZD7.5
R139
NA
R0603
+
C102
220UF/25V
EC10/5
R153
1M
R0603
R166
47
R0603
R179
NA
R0603
R178
NA
R10
C104
104
C0603
ZD10
15V/0.5W
ZD7.5
C122
223
C0603
+
C66
220UF/10V
EC10/5
C64
104
C0603
R88
10K
R0603
R64
10K
1/4W
R10
R57
220K
R0603
L11
12uH
L5
C67
22P
C0603
X2
7.952MHz
XTAL\10
C63
103
C0603
C76
680P 500V
CC6\5
FS1
JUMP 5MM
FUSE\12.5
L4
12uH
L5
LED1
19-21VGC/
TR8 GREEN
CHARGE
LED
RY1
500 OHM
RY1
T7
LB-0627
6
1
2
4
3
5
JK1
LINE JACK 4C
LINE\JK1
1
2
3
4
D1
D\362
R145
1K
R0603
ZD8
ZD7.5
C96
103
R0603
C77
150P
C0603
JK2
JACK DC
Q6
SOT-23
+
-
12
13
14
4
11
ZD4
NA
ZD7.5
R89
10K
R0603
L3
12uH
L6/5
Q20
SOT-23
ZNR1
270V
ZNR\7K
R61
220K
R0603
R59
100K
R0603
R84
6.8K
R0603
R83
10K
R0603
C75
333
C0603
R105
4K7
R0603
R86
47K
R0603
R58
510
R0603
R120
0
R0603
R144
20M 1/4W
R10
C80
680P 500V
CC6\5
L6
12uH
L5
C71
104
C0603
C65
22P
C0603
R74
0
R0603
R107
120 2W
R54
R99
82K
R0603
R92
10K
R0603
+
C68
0.47UF/50V
EC5\5
Q9
SOT-23
Q7
SOT-23
Q8
SOT-23
R98
12K
R0603
C120
NA
C0603
L9
JUMP 7.5MM
L7.5
L8
JUMPER
L10
L5
12uH
L7.5
L7
12uH
L7.5
+
C94
100UF/10V
EC8\2.5
+
C95
470UF/25V
EC10\5
R118
150 1/2W
R10
R100
100K
R0603
C121
NA
C0603
R106
22 1/4W
R5.08
Q18
TO-92\EBC
R142
22 1/4W
R10
C99
103
C0603
Q21
SOT-23
+
C78
470UF/10V
EC10/5
R109
330K
R0603
R114
22K
R0603
R108
4K7
R0603
R167
10K
R0603
R111
560
R0603
ZD5
4V7
D\362
ZD3
4V7
D\362
C83
NA
C0603
R87
10K
R0603
R115
56K
R0603
R133
56
R0603
C89
NA
C0603
Q11
SOT-23
C85
224
C0603
C90
823
C0603
R126
1K
R0603
R122
1K3
R0603
R141
5K1
R0603
C92
104
C0603
R123
15K
R0603
R129
7K5
R0603
D7
2700V
MPC28/28
R149
1K8
R0603
R148
10K
R0603
R143
510K
R0603
R119
82K
R0603
Q19
TO-92\EBC
C101
562
C0603
R150
620K
R0603
+
C97
4.7UF/50V
EC5\5
R171
1K
R0603
D2
D10B
R146
15K
R0603
R60
22K
R0603
+
C98
22UF/16V
EC5\2.5
R127
NA
R10
R91
150K
R0603
R128
NA
R10
D3
D10B
D4
D10B
R117
NA
R0603
R157
NA
R0603
Q16
NA
SOT-23
R134
NA
R0603
R177
NA
R10
Q13
NA
SOT-23
C88
NA
C0603
R140
NA
R0603
R121
NA
R0603
Q12
TO-92\EBC
C84
NA
C0603
R138
1K5
R0603
R124 27
R0603
R130
27
R0603
Q15
TO-92\EBC
R162
NA
R0805
R160
0
R0805
R158
100K
R0603
R161
0
R0805
R116
NA
R0603
R163
NA
R0805
R137
1K8
R0603
R159
NA
R0603
C86
NA
C0603
C87
NA
C0603
R76
NA
R0603
R93
NA
R0603
R97
8K2
R0603
R82
10K
R0603
R113
NA
R94
100K
R0603
R112
NA
R151
NA
R75
10K
R0603
R77
20K
R0603
C107
104
C0603
R78
39K
R0603
C106
105
C0603
C93
562
C0603
C108
104
C0603
R172
22K
R10
R79
82K
R0603
R101
NA
C0603
R81
160K
R0603
+
-
3
2
1
4
11
R96
330K
R0603
R90
270K
R0603
R104
4K7
R0603
C69
270P
C0603
R95
3K9
R0603
R103
22K
R0603
C72
223
C0603
C70
223
C0603
C124
474
C0603
C123
104
C0603
R181
330
R0603
+
C105
100UF/10V
EC5/2.5
C74
104
C0603
C73
104
C0603
C82
104
C0603
C79
104
C0603
ZD2
22V/1W
ZD7.5
D6
D10B
R68
100K
R0603
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
SW1
PAGE
SW2P
ZD1
22V/1W
ZD7.5
ZD6
NA
C100
NA
R63
NA
R0603
Q10
NA
TO-92\EBC
IC5
NA
ZD7
NA
R62
100K
R0603
R110
NA
+
C91
2.2UF/50V
EC5\5
D5
D10B
R180
56K
R0603
R147
NA
R0603
+
-
5
6
7
4
11
R102
NA
R0603
+
-
10
9
8
4
11
R131
100K
R0603
R132
2K2
R0603
R125
NA
R0603
R152
20M 1/4W
R10
R80
2K2 R0603
R85
10K
R0603
C81
NA
Q17
SOT-23
Q14
SOT-23
VCPU
RING DET
VB
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
PIN2
RF-CLK
PMUTE
AGC1
AGC1
KX-TC1200NLB SCHEMATIC DIAGRAM (Base Unit)
Содержание KX-TC1200NLB
Страница 3: ...2 BATTERY REPLACEMENT 3 LOCATION OF CONTROLS 3 1 Base Unit 3 ...
Страница 4: ...3 2 Handset 4 ...
Страница 5: ...4 CONNECTION 5 ...
Страница 7: ...5 2 Answering Calls 5 3 Storing Phone Numbers in Memory 7 ...
Страница 8: ...5 4 Storing a Phone Number in the DIRECT Button 5 5 Dialing a Stored Number 8 ...
Страница 9: ...5 6 Dialing a Stored Number in the DIRECT Button 5 7 Recall Button 9 ...
Страница 10: ...6 DISASSEMBLY INSTRUCTIONS 10 ...
Страница 22: ...Note Refet to CIRCUIT BOARD Handset Signal Route 9 2 How to change the channel 9 3 Adjustment 22 ...
Страница 25: ...25 ...
Страница 27: ... The channel is changed if the noise interferes with the conversation 13 2 Ringing 27 ...
Страница 28: ...13 3 Changing the Channel 28 ...
Страница 38: ...Fig 4 Fig 5 38 ...
Страница 40: ...19 CPU DATA Handset 19 1 IC2 40 ...
Страница 41: ...20 HOW TO REPLACE FLAT PACKAGE IC 20 1 Preparation SOLDER 41 ...
Страница 44: ...22 CABINET AND ELECTRICAL PARTS LOCATION HANDET 44 ...
Страница 45: ...23 ACCESSORIES AND PACKING MATERIALS 45 ...
Страница 61: ...IC5 KX TC1200NLB CIRCUIT BOARD Component View Base Unit ...
Страница 63: ...IC2 150Ω AF Volt Meter H Oscilloscope G Noise Squelch A Battery Low 47µF AF Generator ...