Table of Contents
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+5V
L5
TP712
0
IP5
+5V
0.75A
R123
680
TP208
D10
7.5V
TP207
R124
680
DG
P.G
(1)
(2)
+3.3V
RA26 10K
1
10
9
2
8
3
4
7
DG
5
6
TOE[8]
TP696
142
TOE[9]
TP697
143
(3)
TOE[10]
TP698
144
TOE[11]
TP699
145
TP700
TOE[12]
146
TP701
TOE[13]
147
(10)
TOE[14]
TP702
148
TOE[15]
TP703
149
N.C
TP146
151
J5
J6
N.C
TP147
152
J7
0
TP148
153
J8
0
TP149
154
J9
155
0
TP150
J10
TP151
156
0
J11
0
TP152
157
J12
0
TP153
158
R113
DG
10K
TP154
161
+3.3V
TP155
162
(11)
TP156
163
TP157
164
TP158
165
MWPOW0
MWPOW1
TP159
166
PF_RLY
TP160
167
MWVOLT
TP161
168
(13)
+3.3V
RA1 10K
1
10
2
9
TP162
170
8
3
TP163
171
4
7
TP164
172
5
6
TP165
173
TP166
174
TP167
175
TP168
176
TP169
177
J34 0
TP704
J37
0
192
TP336
193
J38
0
TP337
(14)
194
TP706
TP705
TP707
195
TP708
196
TP709
197
(21)
198
TP710
199
TP711
J35
J39
J36
N.C
N.C
N.C
DG
TP170
201
TP171
202
(22)
TP172
203
TP173
204
TP174
205
TP175
206
(29)
TP176
207
TP177
208
+3.3V
TP178
(30)
183
184
R151
185
10K
186
187
188
189
(31)
190
IC5
IC5
1
2
3
R109
TP142
TP139
1M
R118
X1
1K
16.384MHz
TP143
C50
C49
18P
18P
DG
(32)
(33)
L7
TP222
TP229
0.45A/220u
Q12
+3.3V
12
L35
TP631
TP236
+3.3V
D12
DG
R134
DG
P.G
56
P.G
IC7
1
5
ON/#OFF
13
VIN
2
VSS
3
4
VOUT
EXT
TP240
C56
0.1
RA710K
RA810K
RA9 10K
1
10
1
10
1
2
9
9
2
2
3
8
8
3
3
4
7
4
7
4
5
6
5
6
5
P0[0]
P0[1]
P0[2]
P0[3]
P0[4]
P0[5]
P0[6]
P0[7]
P1[0]
P1[1]
P1[2]
P1[3]
P1[4]
P1[5]
P1[6]
P1[7]
P2[0]
P2[1]
P2[2]
P2[3]
P2[4]
P2[5]
P2[6]
P2[7]
P3[0]
P3[1]
P3[2]
P3[3]
P3[4]
P3[5]
P3[6]
P3[7]
P4[0]
P4[1]
P4[2]
P4[3]
P4[4]
P4[5]
P4[6]
P4[7]
P5[0]
P5[1]
P5[2]
P5[3]
P5[4]
P5[5]
P5[6]
P5[7]
RX[0]
RX[1]
RX[2]
RX[3]
RX[4]
RX[5]
RX[6]
RX[7]
J24
+3.3V
N.C
TP338
TP340
J25
R121
+3.3V
N.C
10K
J26
DG
0
J27
TP339
L37
L38
J28
N.C
220
R122
220
0
FIL1
390
J29
4
1
3
2
TP186
N.C
TP197 16.384M
TP341
TP342
C53
DG
+3.3V
R171
19
R172
2.2
100
100
C54
TP220
1
FIL2
C55
TP685
TP686
1
3
0.1
TP672
2
DG
IP4
L6
TP260
0.75A
0
TP250
L10
Q13
0.8A/68u
TP713
L36
R127
14
680
TP633
TP227
D14
TP627
DG
D11
5.1V
P.G
R140
56
IC10
1
5
VIN
ON/#OFF
2
VSS
3
4
EXT
VOUT
C65
DG
0.1
P.G
+3.3V
R125
TP629
1K
nRST
nRST
TP683
+3.3V
C73
+5V
0.1
IC9
5
M/R 1
Vcc
DG
SUB 2
10
4
Vout
GND 3
9
C82
TP641
8
C62
TP642
0.1
7
TP643
6
+3.3V
0.1
DG
DG
RA12
10K
IC14
CT_FRAME_A 55
TP233
C57
2.2
IC5
1
C58
5
6
TP135
0.1
C59
L40
IC5
C83
0.1
0
9
8
TP136
0.1
C84
TP673
0.1
IC5
C85
FIL3
TP137
11
10
0.1
C86
3
1
C87
0.1
IC5
2
13
12
TP138
0.1
C88
0.1
C89
0.1
C90
DG
+3.3V
C92
0.1
FIL4
TP674
TP714
0.1
C93
L39
1
3
0.1
0
C94
L41
IC5
2
C48
14
0.1
C95
0
0.1
0.1
C96
7
0.1
C97
0.1
C98
DG
DG
TP245
D13
Q14
TP303
G
R148
10K
DG
P.G
15
TP628
TP684
EC_CLK 105
EC_STOP 103
TP292
R143
47
EC_TRDY 102
TP293
R144
47
EC_PERR 101
TP294
R145
47
EC_FRAME 100
EC_PAR 99
TP295
R146
47
EC_BE[0] 97
EC_BE[1] 96
EC_IDSEL 95
EC_NRST 94
C91
3300P
DG
EC_AD[0] 92
TP263
L11
220
TP304
5
EC_AD[1] 91
TP264
L12
220
TP305
6
EC_AD[2] 90
220
7
TP265
L13
TP306
EC_AD[3] 89
TP266
220
8
L14
TP307
EC_AD[4] 86
TP267
L15
220
5
TP308
EC_AD[5] 85
TP268
L16
220
6
TP309
EC_AD[6] 84
TP269
L17
220
TP310
7
EC_AD[7] 83
TP270
L18
220
TP311
8
EC_AD[8] 81
TP271
220
5
L19
TP312
EC_AD[9] 80
TP272
220
6
L20
TP313
EC_AD[10] 79
TP273
L21
220
7
TP314
EC_AD[11] 78
TP274
L22
220
8
TP315
EC_AD[12] 75
TP275
L23
220
TP316
5
EC_AD[13] 74
TP276
L24
220
TP317
6
EC_AD[14] 73
TP277
220
7
L25
TP318
EC_AD[15] 72
TP278
L26
220
8
TP319
CT_D[0] 68
TP279
L27
220
TP320
5
CT_D[1] 67
TP280
L28
220
TP321
6
CT_D[2] 66
L29
7
TP281
220
TP322
CT_D[3] 65
TP282
L30
220
TP323
8
CT_D[4] 62
TP283
L31
220
TP324
5
CT_D[5] 61
TP284
L32
220
TP325
6
CT_D[6] 60
TP285
L33
220
TP326
7
L34
CT_D[7] 59
TP286
220
TP327
8
EC_INT 71
TP296
EC_DET 70
TP297
CT_NETREF 57
TP298
CT_C8_A 56
TP299
TP300
RINGER 54
TP301
MODE[0] 118
MODE[1] 117
MODE[2] 116
MODE[3] 115
MODE[4] 114
MODE[5] 113
TP261
R141
VREFMINUS 182
DG
VREFPLUS 181
10K
+3.3V
DG
R170
10K
TDO 109
TP287
TMS 111
5
TP288
4
TRST 110
TP289
6
3
TDI 108
7
2
TCK 107
TP291
8
1
TEST1 200
J32
+30V
J30
TEST0 169
N.C J33
N.C
N.C
TP715
W201
W202
W101
DIAG_R
SCREW
SCREW
DIAG_T
XSB3+6VW
XSB3+6VW
KX-TDA0174 SCHEMATIC DIAGRAM NO.1
+15V
CN1
+15V
A1
+15VPT
D
+40V
B1
+15VPT
IP2
A2
+40V
S
IP1
1A
B2
+15V
5A
A3
POWER_GND
B3
POWER_GND
TP335
R155
A4
EC_CLK
22
B4
EC_nSTOP
A5
GND
16
B5
GND
A6
EC_nTRDY
B6
EC_nPERR
TP330
R156
22
A7
EC_nFRAM
B7
EC_PAR
TP331
R157
22
A8
EC_nCBE[0]
TP332
B8
R158
22
EC_nCBE[1]
TP333
22
A9
R159
EC_IDSEL
TP334
R160
220
B9
EC_nRST
A10
GND
B10
GND
A11
EC_AD[0]
EC_AD[0]
B11
EC_AD[1]
EC_AD[1]
A12
EC_AD[2]
EC_AD[2]
EC_AD[3]
B12
EC_AD[3]
EC_AD[4]
A13
EC_AD[4]
B13
EC_AD[5]
EC_AD[5]
A14
GND
B14
GND
EC_AD[6]
A15
EC_AD[6]
EC_AD[7]
B15
EC_AD[7]
EC_AD[8]
A16
EC_AD[8]
EC_AD[9]
B16
EC_AD[9]
EC_AD[10]
A17
EC_AD[10]
EC_AD[11]
B17
EC_AD[11]
A18
GND
B18
Reserved
A19
EC_AD[12]
EC_AD[12]
B19
EC_AD[13]
EC_AD[13]
A20
EC_AD[14]
EC_AD[14]
B20
EC_AD[15]
EC_AD[15]
A21
EC_INT
EC_nINT
B21
EC_DET
EC_nCDET
A22
GND
B22
Reserved
A23
CT_D[0]
CT_D[0]
4
EC_AD[0]
3
EC_AD[1]
B23
CT_D[1]
CT_D[1]
2
EC_AD[2]
1
EC_AD[3]
CT_D[2]
A24
CT_D[2]
4
EC_AD[4]
3
EC_AD[5]
B24
CT_D[3]
CT_D[3]
2
EC_AD[6]
1
EC_AD[7]
A25
CT_D[4]
CT_D[4]
4
EC_AD[8]
3
EC_AD[9]
CT_D[5]
B25
CT_D[5]
2
EC_AD[10]
1
EC_AD[11]
A26
CT_D[6]
CT_D[6]
4
EC_AD[12]
3
EC_AD[13]
B26
CT_D[7]
CT_D[7]
2
EC_AD[14]
1
EC_AD[15]
A27
GND
4
17
CT_D[0]
B27
Reserved
3
CT_D[1]
2
CT_D[2]
A28
R152
CT_NETRE
1
CT_D[3]
22
4
CT_D[4]
B28
CT_C8
3
CT_D[5]
2
CT_D[6]
A29
CT_FRAME
1
CT_D[7]
R153
B29
nLOS
R149 22
22
A30
GND
R150 22
B30
GND
A31
Reserved
+3.3V
RA29 10K
B31
Reserved
TP646
1
10
A32
Reserved
2
TP647
9
TP644
3
8
TP648
TP645
B32
Reserved
4
7
TP649
5
6
TP650
A33
Reserved
TP651
B33
Reserved
A34
TXD2
B34
RXD2
A35
Reserved
B35
Reserved
A36
Reserved
B36
Reserved
A37
Reserved
B37
Reserved
D15
DG
IP3
1
A38
2
+30V
1A
+30V
B38
+30V
R154
R161
A39
C71
RINGER
22K
0.1
22
B39
RING_SYNC
DG
A40
nHALT
18
B40
RING_SIN
P.G
A41
GND
B41
(+3.3V)
A42
(DC_ALM)
B42
(AC_ALM)
A43
(nEXTPOW[0])
B43
(nEXTPOW[1])
A44
DIAG_R
B44
DIAG_T
J14
A45
GND
B45
RINGER_AC
DG
AG
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