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R22D
100K
nCS_2
R22B
100K
R24A
1M
N.C
R40
R31A
10K
R23B
100K
100K
+3.3V
56K
R30D
IC6
1
XTAL
2
XTAL
3
CLK_OUT
4
CLK_IN
5
OUTE
6
Ch2_OUT
7
Ch1_OUT
8
VBIAS
9
Ch1_OUT
10
Ch1_IN-
11
Ch1_IN+
12
Vss
13
14
Ch2_IN+
15
Ch2_IN-
16
Ch2_OUT
17
OS
18
PRESET
19
C/S
20
CLK/S
21
DATA/S
22
SELECT
23
24
VDD
270K
R29A
J11
0
10k
R43
CID/PAY_Xtal
N.C
R41
+3.3V
270K
R29D
100k
R26A
100k
R26D
R22A
100K
270K
R29B
J12
N.C
J10
0
R25D
1M
FIL2
1
2
3
270K
R29C
47K
R28D
R25C
1M
56K
R30A
DTMF_Xtal
47K
R28A
nRST
C21
1
56K
R30C
100k
R26B
47K
R28B
R23C
100K
100k
R27D
100k
R27C
C26
1
R24D
1M
R31C
10K
C1CB00001314
IC7
INP1
1
INM1
2
GS1
3
TEST1
4
INP2
5
INM2
6
GS2
7
VREF
8
INP3
9
INM3
10
GS3
11
TEST2
12
INP4
13
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd
19
OSC0
20
OSCI
21
CLKSEL
22
nREST
23
TOE1
24
TOE2
25
TOE3
26
TOE4
27
Q1
28
Q2
29
Q3
30
Q4
31
EST/STD1
32
EST/STD2
33
EST/STD3
34
EST/STD4
35
S/nESEL
36
22
R48
R44
4.7K
CLK/S
DATA/S
IC5
1
XTAL
2
XTAL
3
CLK_OUT
4
CLK_IN
5
OUTE
6
Ch2_OUT
7
Ch1_OUT
8
VBIAS
9
Ch1_OUT
10
Ch1_IN-
11
Ch1_IN+
12
Vss
13
14
Ch2_IN+
15
Ch2_IN-
16
Ch2_OUT
17
OS
18
PRESET
19
C/S
20
CLK/S
21
DATA/S
22
SELECT
23
24
VDD
C25
1
100k
R27A
R25A
1M
22
R47
R31D
10K
nCS_3
R24B
1M
+3.3V
R24C
1M
R22C
100K
100k
R27B
R31B
10K
R45
4.7K
IC14
5
2Y3
3
2Y4
17
2A4
15
2A3
7
2Y2
18
1Y1
9
2Y1
16
1Y2
12
1Y4
14
1Y3
2
1A1
13
2A2
4
1A2
11
2A1
6
1A3
8
1A4
1
1G
19
2G
47K
R28C
R23A
100K
22
R49
100k
R26C
C20
1
+3.3V
R25B
1M
22
R46
R23D
100K
100K
56K
R30B
TP123
TP124
TP125
TP126
TP127
TP128
TP129
TP130
TP124
TP125
TP126
TP127
TP128
TP129
TP130
TP110
TP109
TP108
TP96
TP77
TP78
TP79
TP117
TP118
TP119
TP120
TP111
TP116
TP93
TP94
TP95
TP87
TP89
TP90
TP91
TP88
TP82
TP83
TP80
TP84
TP81
TP85
TP86
TP86
TP101
TP68
TP69
TP70
TP71
TP64
TP65
TP66
TP67
TP76
TP72
TP74
TP73
TP75
TP112
TP114
TP115
TP121
TP122
TP107
TP103
TP102
TP98
TP99
TP104
TP105
TP106
+5V
J19
0
J20
N.C
+3.3V
PAY_POW
PAY_POW
TP113
J37
N.C
J38
N.C
J39
N.C
J40
N.C
J41
N.C
J42
N.C
J43
N.C
J44
N.C
TP131
TP132
TP133
TP134
TP132
TP133
TP134
L6
0.1
C24
TP404
+3.3V_B
TP100
TP92
DT_OE[1]
D[0]
DT_OE[3]
DT_STD[1]
DT_STD[2]
DT_OE[2]
DT_STD[3]
DT_STD[0]
D[1]
D[3]
DT_OE[0]
D[2]
DG
2/3
(1)
(2)
(3)
(2)
(3)
(4)
(5)
(6)
(7)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(15)
(16)
(A)
(B)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(17)
KX-TDA0189X MAIN BOARD No.1 2/3
DETECT (H L)
PAY TONE IC
PAY TONE IC
26
KX-TDA0189XJ / KX-TDA0189X
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