DOWNLOAD Panasonic KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X (serv.man2) Service Manual ↓ Size: 1.43 MB | Pages: 19 in PDF or view online for FREE

Model
KX-TDA0175 KX-TDA0175XJ KX-TDA0175X (serv.man2)
Pages
19
Size
1.43 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / 16-PORT SINGLE LINE TELEPHONE EXTENSION CARD
File
kx-tda0175-kx-tda0175xj-kx-tda0175x-sm2.pdf
Date
PREV: Panasonic KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X Service Manual / Supplement

Panasonic KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X (serv.man2) Service Manual / Supplement ▷ View online

J10
0
1M
R109
TP282
TP281
TP169
+3.3V
TP270
L30
220
TP161
18P
C50
TP151
R121
10K
22
R158
L16
220
TP254
TP156
TP193
22
R153
TP289
TP148
TP223
L14
220
TP220
RA24 47 1
2
3
4
5
6
7
8
390
R122
TP201
TP242
DG
+5V
TP177
TP241
J8
0
TP187
R139
100
R138
100
L19
220
R116
10K
R154
22
TP304
1K
R129
RA22 47 1
2
3
4
5
6
7
8
22
R159
TP309
R106
N.C
TP149
TP160
TP321
R150 22
22
R157
TP238
TP272
TP252
L17
220
TP319
TP251
L34
220
TP323
TP164
TP199
L26
220
DG
TP257
TP310
TP266
TP325
TP178
TP230
TP239
TP235
L24
220
TP259
R107
N.C
TP152
TP305
+3.3V
TP268
TP166
L21
220
TP212
TP188
TP159
TP318
TP287
TP195
TP317
+3.3V
TP320
TP150
TP167
TP202
TP264
220
R160
+3.3V
TP324
RA21 47 1
2
3
4
5
6
7
8
DG
L11
220
TP291
R112
N.C
nRST
TP322
TP198
TP271
TP256
TP258
J7
0
L8
220
L23
220
TP308
FIL2
1
2
3
FIL1
1
2
3
TP246
C53
2.2
TP232
DG
L12
220
TP279
TP204
TP224
TP147
TP311
RA25 47 1
2
3
4
5
6
7
8
TP172
TP174
TP263
TP284
TP191
TP274
C62
0.1
22
R155
TP288
C55
0.1
TP234
TP190
22
R156
RA20 47 1
2
3
4
5
6
7
8
R144
47
TP278
TP162
C54
1
TP316
TP231
TP253
L13
220
TP189
L22
220
R145
47
L28
220
TP315
DG
TP175
1K
R118
TP237
TP243
J12
0
DIAG_R
DIAG_T
L9
220
C57
2.2
TP306
TP312
TP168
TP314
R143
47
TP255
TP244
TP283
TP192
IC5
3
4
TP154
TP313
TP173
R110
N.C
L25
220
R113
10K
FIL3
1
2
3
TP277
TP176
TP275
TP196
L31
220
+3.3V
R117
10k
DG
R108
N.C
TP194
TP269
TP170
TP267
+3.3V
TP248
TP327
L29
220
IC5
1
2
TP171
TP155
TP163
TP157
TP326
TP280
RA23 47 1
2
3
4
5
6
7
8
TP276
L15
220
R141
10K
TP225
TP265
TP165
L27
220
TP200
R133
10K
TP153
TP273
DG
R149 22
J11
0
L32
220
TP307
R111
N.C
L20
220
TP158
R126
10K
TP285
TP249
+3.3V
18P
C49
TP286
J14
L18
220
AG
TP146
L33
220
J9
0
C48
0.1
IC5
14
7
+3.3V
DG
TP228
+3.3V
TP142
TP143
TP292
TP293
TP294
TP296
TP297
TP298
TP299
TP300
TP301
J13
0
TP226
+40V
0.1
C56
P.G
DG
P.G
DG
L6
0
D12
1
2
P.G
DG
D14
1
2
+5V
IP1
5A
0.1
C65
0.1
C63
0
L5
+3.3V
IC7
ON/#OFF
1
VSS
2
VOUT
3
EXT
4
VIN
5
+15V
IC10
ON/#OFF
1
VSS
2
VOUT
3
EXT
4
VIN
5
0.1
C52
56
R134
56
R140
P.G
DG
P.G
DG
TP240
TP335
TP330
TP331
TP332
TP333
TP334
TP203 TP205 TP206 TP209 TP211 TP213 TP214 TP215 TP216 TP217 TP218 TP219 TP221
IC5
13
12
DG
IC5
11
10
IC5
5
6
IC5
9
8
R130
10K
R136
10K
R137
10K
TP295
TP135
TP136
TP137
TP138
RA16 10K 1
2
3
4
5
6
7
8
RA12
10K
1
2
3
4
5 6 7 8
R131
10K
R132
10K
Q14
S
D
G
R148
10K
Q13
S
D
G
Q12
S
D
G
D10
7.5V
680
R123
680
R124
680
R128
680
R127
D11
5.1V
P.G
DG
D13
FIL4
1
2
3
C73
0.1
DG
22
R152
R151
10K
TP303
+3.3V
TP628
TP207
TP208
TP222
TP250
TP260
TP229
TP627
TP227
TP631
TP236
J6
N.C
TP245
C71
0.1
IP2
1A
IP3
1A
CN1
A1
+15VPT
B1
+15VPT
A2
+40V
B2
+15V
A3
POWER_GND
B3
POWER_GND
A4
EC_CLK
B4
EC_nSTOP
GND
A5
B5
GND
EC_nTRDY
A6
B6
EC_nPERR
EC_nFRAM
A7
B7
EC_PAR
EC_nCBE[0]
A8
B8
EC_nCBE[1]
EC_IDSEL
A9
B9
EC_nRST
GND
A10
B10
GND
EC_AD[0]
A11
B11
EC_AD[1]
EC_AD[2]
A12
B12
EC_AD[3]
EC_AD[4]
A13
B13
EC_AD[5]
GND
A14
B14
GND
EC_AD[6]
A15
B15
EC_AD[7]
EC_AD[8]
A16
B16
EC_AD[9]
EC_AD[10]
A17
B17
EC_AD[11]
GND
A18
B18
Reserved
EC_AD[12]
A19
B19
EC_AD[13]
A20
EC_AD[14]
B20
EC_AD[15]
A21
EC_nINT
B21
EC_nCDET
A22
GND
B22
Reserved
A23
CT_D[0]
B23
CT_D[1]
A24
CT_D[2]
B24
CT_D[3]
A25
CT_D[4]
B25
CT_D[5]
A26
CT_D[6]
B26
CT_D[7]
A27
GND
B27
Reserved
A28
CT_NETRE
B28
CT_C8
A29
CT_FRAME
B29
nLOS
A30
GND
B30
GND
A31
Reserved
B31
Reserved
A32
Reserved
B32
Reserved
A33
Reserved
B33
Reserved
A34
TXD2
B34
RXD2
A35
Reserved
B35
Reserved
A36
Reserved
B36
Reserved
A37
Reserved
B37
Reserved
A38
+30V
B38
+30V
A39
RINGER
B39
RING_SYNC
A40
nHALT
B40
RING_SIN
A41
GND
B41
(+3.3V)
A42
(DC_ALM)
B42
(AC_ALM)
A43
(nEXTPOW[0])
B43
(nEXTPOW[1])
A44
DIAG_R
B44
DIAG_T
A45
GND
B45
RINGER_AC
IC9
M/R 1
SUB 2
GND 3
Vout
4
Vcc
5
TP629
DG
TP261
DG
DG
+3.3V
TP641
TP642
TP643
TP644
TP645
J18
0
J22
0
J23
0
TP646
TP647
TP648
TP649
TP650
TP651
L35
L36
TP633
J20
N.C
J21
N.C
J5
N.C
IC14
RX[7]
190
AV
D
D
180
PLLGND
3
PLLCLK
4
PLL
VDD
5
IRQ[1]
7
IRQ[0]
8
CS[1]
9
CS[0]
10
GND
11
LD[6]
13
LD[5]
14
LD[4]
15
LD[3]
16
LD[2]
17
LD[1]
18
LD[0]
19
VDD
20
GND
21
ALE
22
CS_DMA
23
CS_SAM
24
CSI
25
RD
26
WR
27
L_NRST
28
GND
29
WA
IT
30
RESET
31
BREQ
32
BA
CK
33
BGAK
34
GND
35
VDD
36
SBREQ
37
SBA
CK
38
LA[12]
39
LA[11]
40
LA[10]
41
LA[9]
42
LA[8]
43
GND
44
LA[7]
45
LA[6]
46
LA[5]
47
LA[4]
48
LA[3]
49
LA[2]
50
LA[1]
51
LA[0]
52
VDD
53
GND
58
VDD
63
GND
64
GND
69
GND
76
VDD
77
GND
82
VDD
87
GND
88
GND
93
GND
98
GND
104
VDD
106
TCK 107
TDI 108
TDO 109
TRST 110
TMS 111
GND
112
GND
119
VDD
120
LUHW[0]
121
LDHW[0]
122
HW_CLK[0]
123
HW_CLK[1]
124
HW_FH
125
L_NETREF
126
LDHW[1]
127
LUHW[1]
128
SHW_CLK
129
SHW_FH
130
GND
131
VDD
132
GND
141
GND
150
P1[0]
151
P1[1]
152
P1[2]
153
P1[3]
154
P1[4]
155
P1[5]
156
P1[6]
157
P1[7]
158
VDD
159
GND
160
P2[0]
161
P2[1]
162
P2[2]
163
P2[3]
164
P2[4]
165
P2[5]
166
P2[6]
167
P2[7]
168
GND
179
P3[0]
170
P3[1]
171
P3[2]
172
P3[3]
173
P3[4]
174
P3[5]
175
P3[6]
176
P3[7]
177
VDD
178
GND
1
P4[0]
192
P4[1]
193
P4[2]
194
P4[3]
195
P4[4]
196
P4[5]
197
P4[6]
198
P4[7]
199
TEST0 169
P5[0]
201
P5[1]
202
P5[2]
203
P5[3]
204
P5[4]
205
P5[5]
206
P5[6]
207
P5[7]
208
TEST1 200
VDD
2
VREFPLUS 181
VREFMINUS 182
AV
D
D
191
RX[0]
183
RX[1]
184
RX[2]
185
RX[3]
186
RX[4]
187
RX[5]
188
RX[6]
189
PLLA
T1
6
C_CS[3]
133
C_CS[2]
134
C_CS[1]
135
C_CS[0]
136
DCLK
137
DOUT
138
DIN
139
CP[0]
140
RINGER 54
CT_FRAME_A 55
CT_C8_A 56
CT_NETREF 57
CT_D[7] 59
CT_D[6] 60
CT_D[5] 61
CT_D[4] 62
CT_D[3] 65
CT_D[2] 66
CT_D[1] 67
CT_D[0] 68
EC_DET 70
EC_INT 71
EC_AD[15] 72
EC_AD[14] 73
EC_AD[13] 74
EC_AD[12] 75
EC_AD[11] 78
EC_AD[10] 79
EC_AD[9] 80
EC_AD[8] 81
EC_AD[7] 83
EC_AD[6] 84
EC_AD[5] 85
EC_AD[4] 86
EC_AD[3] 89
EC_AD[2] 90
EC_AD[1] 91
EC_AD[0] 92
EC_NRST 94
EC_IDSEL 95
EC_BE[1] 96
EC_BE[0] 97
EC_PAR 99
EC_FRAME 100
EC_PERR 101
EC_TRDY 102
EC_STOP 103
EC_CLK 105
MODE[5] 113
MODE[4] 114
MODE[3] 115
MODE[2] 116
MODE[1] 117
MODE[0] 118
P0[0]
142
P0[1]
143
P0[2]
144
P0[3]
145
P0[4]
146
P0[5]
147
P0[6]
148
P0[7]
149
LD[7]
12
22K
R161
P.G
DG
IP5
0.75A
IP4
0.75A
1K
R125
+3.3V
C82
0.1
DG
FH
CLK
DHW
DOUT DCLK
C_CS[0] C_CS[1] C_CS[2] C_CS[3]
DIN
UHW
PF_RLY
X1
16.384MHz
J24
N.C
J26
0
J25
N.C
DG
J27
N.C
J28
0
J29
N.C
J31
0
R170
10K
J30
N.C
J32
N.C J33
N.C
J34 0
J35
N.C
J36
N.C
DG
J37
0
J38
0
J39
N.C
TP139
TP336
TP337
TP338
TP339
TP340
L38
220
L37
220
TP186
R146
47
R171
100
R172
100
TP341
TP342
TP197 16.384M
L39
0
L40
0
L41
0
TP672
TP673
TP674
+3.3V
TP683
TP684
TP685
TP686
DG
TP696
TP697
TP698
TP699
TP700
TP701
TP702
TP703
TP704
TP705
TP706
TP707
TP708
TP709
TP710
TP711
TP712
TP713
TP714
TP715
C58
1
C59
0.1
C83
0.1
C84
0.1
C85
0.1
C86
0.1
C87
0.1
C88
0.1
C89
0.1
C90
0.1
DG
C91
3300P
RA8 10K
1
2
3
4
5
6
7
8
9
10
RA29 10K
1
2
3
4
5
6
7
8
9
10
RA26 10K
1
2
3
4
5
6
7
8
9
10
RA1 10K
1
2
3
4
5
6
7
8
9
10
RA9 10K
1
2
3
4
5
6
7
8
9
10
RA7 1K
1
2
3
4
5
6
7
8
9
10
+30V
D15
1
2
25V/10
C67
C68
0.1
+15V
+3.3V
+5V
+30V
TP233
C96
0.1
C97
0.1
C93
0.1
C92
0.1
C94
0.1
C98
0.1
C95
0.1
0.45A/220u
L7
10V/22
C51
25V/68
C64
25V/150
C66
L10
0.8A/68u
6.3V/100
C60
J19
N.C
50V/10
C70
W101
SCREW
W202
XSB3+6VW
SCREW
W201
XSB3+6VW
EC_AD[3]
EC_AD[14]
EC_AD[13]
EC_AD[5]
D[7]
EC_AD[0]
CT_D[5]
EC_AD[9]
EC_AD[4]
CT_D[1]
CT_D[7]
EC_AD[8]
EC_AD[11]
EC_AD[2]
EC_AD[15]
EC_AD[10]
EC_AD[2]
EC_AD[6]
EC_INT
D[5]
EC_AD[7]
EC_AD[1]
EC_AD[5]
EC_DET
EC_AD[0-15]
CT_D[0]
EC_AD[3]
D[6]
CT_D[3]
EC_AD[12]
EC_AD[4]
EC_AD[1]
EC_AD[7]
EC_AD[8]
EC_AD[9]
EC_AD[10]
EC_AD[11]
EC_AD[6]
EC_AD[12]
EC_AD[0]
EC_AD[13]
EC_AD[14]
EC_AD[15]
CT_D[1]
CT_D[2]
CT_D[6]
CT_D[4]
CT_D[2]
CT_D[0]
CT_D[6]
CT_D[5]
CT_D[4]
CT_D[3]
CT_D[7]
D[0] D[1] D[2] D[3]
MWPOW0
MWVOLT
TOE[15]
TOE[14]
TOE[13]
TOE[12]
TOE[11]
TOE[10]
TOE[9]
TOE[8]
D[0] D[1] D[2] D[3]
D[4]
A[2]
A[1]
A[0]
A[5]
A[12]
A[10]
A[9]
A[8]
A[7]
A[3]
A[4]
A[6]
A[11]
MWPOW1
nRST
(1)
(2)
~
(11)
(13)
(14)
~
(21)
(30)
(31)
(32)
(33)
(22)
~
(29)
(3)
~
(10)
KX-TDA0174 SCHEMATIC DIAGRAM NO.1
12
13
14
15
16
17
18
19
13
KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X
3.2. No.2
CLK
UHW
C_CS[0]
DCLK
FH
nRST
DHW
DIN
DOUT
+5V
DG
0.1
C208
0.22
C204
AG
0.1
C206
CN201
T
DIAG_R
DIAG_T
CN201
R
MWDC0
1
CN200
26
PF_RLY
RL200A
8
1
D204
1
2
+15V
DG
RL200B
8
1
2
CN200
27
CN200
28
3
CN200
29
4
RL200C
8
1
RL200D
8
1
RL200A
3
2
4
RL200A
6
7
5
0.1
C207
IC203
1
2
3
8
4
IC201
5
SB3_0
6 SO3_1
S03_0
7
GNDA1 50
INT34
15
VDDA34 61
INT12
34
DRB 30
PCLK 32
FSC 31
DOUT 20
DIN 19
DXB 29
RESET 23
MCLK 22
CS 17
DCLK 18
4
SB3_1
SI3_1
1
2
SI3_0
SB3_2
3
VDDD 24
VDDA12 52
GNDA2 54
9 SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
39 SB1_0
38 SB1_1
SI1_1
35
36 SI1_0
SB1_2
37
44 SB2_0
45 SB2_1
SI2_1
48
47 SI2_0
SB2_2
46
VDDREF 57
40 SO1_1
S01_0
41
VREF 56
43 SO2_1
S02_0
42
GNDA3 59
GNDA4 63
GNDD 21
CHCLK1
33
CHCLK2
16
TCB
28
DRA
27
DXA
26
TCA
25
Vout1
51
Vin1
49
53 Vout2
Vin2
55
60
Vout3
Vin3
58
62 Vout4
Vin4
64
C205
0.1
AG
R207
22
R208
22
TP423
TP424
TP425
TP426
TP427
TP422
TP429
TP430
TP431
TP432
TP433
TP434
TP435
TP436
TP437
TP438
TP439
TP440
TP441
TP443
TP444
TP445
TP446
TP447
TP448
TP460
TP459
TP450
TP468
TP466
TP465
TP464
TP463
TP461
TP462
RL200B
3
2
4
CN201
H
CN201
L
RL200B
6
7
5
MWDC0
RL200C
3
2
4
CN202
T
CN202
R
RL200C
6
7
5
MWDC0
RL200D
3
2
4
CN202
H
CN202
L
RL200D
6
7
5
MWDC0
DG
FIL200
1
2
3
+5V
C217
1
C218
2.2
R209
10K
R210
10K
R211
10K
R212
10K
R213
10K
R214
10K
R215
10K
R216
10K
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
TP451
TP452
TP453
TP454
TP455
TP456
TP457
TP458
Q202
E
C
B
Q203
E
C
B
R225
10K
R226
10K
R227
6.8K
DG
DG
TP604
TP605
TP467
R228
100K
R230
N.C
R229
N.C
TP606
C221
0.1
C222
0.1
C223
0.1
C224
0.1
TP428
TP442
TP449
TP610
TP611
TP612
TP613
TP411A
TP409A
TP410A
TP414A
TP416A
TP415A
TP417A
+5V
DG
TP408A
RL202A
1
8
+15V
+30V
D203A
TP407A
TP420A
TP413A
TP418A
TP412A
Q201A
E
C
B
Q200A
E
C
B
RL201A
1
8
220
R206A
+15V
DG
D202A
1
2
220
R204A
+15V
D201A
1
2
RL203A
2
9
J202A
DG
RL202A
6
7
5
ZNR20A
47V
1K 1W
R203A
RL201A
3
2
4
ZNR21A
22V
RL202A
3
2
4
FG
RL201A
6
7
5
33K
R202A
DG
+15V
1K
R201A
D200A
1
2
ZNR22A
FG
L200A
TP402A
TP406A
TP405A
TP403A
L201A
TP400A
TP401A
IC200A
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
R234A
10K
DG
TP411B
TP409B
TP410B
TP414B
TP416B
TP415B
TP417B
TP408B
RL202B
1
8
+15V
D203B
TP407B
TP413B
TP412B
Q200B
E
C
B
220
R204B
+15V
D201B
1
2
RL203B
2
9
J202B
DG
RL202B
6
7
5
ZNR20B
47V
1K 1W
R203B
ZNR21B
22V
RL202B
3
2
4
FG
33K
R202B
DG
+15V
1K
R201B
D200B
1
2
ZNR22B
FG
L200B
TP402B
TP403B
L201B
TP400B
TP401B
IC200B
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200B
50V/10u
TP411C
TP409C
TP410C
TP414C
TP416C
TP415C
TP417C
TP408C
RL202C
1
8
+15V
D203C
TP407C
TP413C
TP412C
Q200C
E
C
B
220
R204C
+15V
D201C
1
2
RL203C
2
9
J202C
DG
RL202C
6
7
5
ZNR20C
47V
1K 1W
R203C
ZNR21C
22V
RL202C
3
2
4
FG
33K
R202C
DG
+15V
1K
R201C
D200C
1
2
ZNR22C
FG
L200C
TP402C
TP403C
L201C
TP400C
TP401C
IC200C
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200C
50V/10u
TP411D
TP409D
TP410D
TP414D
TP416D
TP415D
TP417D
TP408D
RL202D
1
8
+15V
D203D
TP407D
TP413D
TP412D
Q200D
E
C
B
220
R204D
+15V
D201D
1
2
RL203D
2
9
J202D
DG
RL202D
6
7
5
ZNR20D
47V
1K 1W
R203D
ZNR21D
22V
RL202D
3
2
4
FG
33K
R202D
DG
+15V
1K
R201D
D200D
1
2
ZNR22D
FG
L200D
TP402D
TP403D
L201D
TP400D
TP401D
IC200D
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200D
50V/10u
R235
6.8K
+15V
R236
56
Q204A
Q203A
R207A
390
1M
R208A
DG
TP421A
TP422A
TP423A
TP421B
Q203B
TP422B
R207B
390
TP423B
DG
Q204B
1M
R208B
TP421C
Q203C
TP422C
R207C
390
TP423C
DG
Q204C
1M
R208C
TP421D
Q203D
TP422D
R207D
390
TP423D
DG
Q204D
1M
R208D
C202A
25V/4R7
C202B
25V/4R7
C202C
25V/4R7
C202D
25V/4R7
C201A
50V/10u
C201B 50V/10u
C201C
50V/10u
C201D 50V/10u
L202
220
L203
220
R274
100
R275
100
TP652
TP653
TP654
TP655
R282
10k
+3.3V
L46
0
TP679
TP716
TP717
+30V
+5V
+30V
+5V
+30V
+5V
DG
DG
DG
AG
AG
AG
AG
DG
C209
16V/1
L50
0
ZNR23A
47V
ZNR23B
47V
ZNR23C
47V
ZNR23D
47V
C204A 0.1
C203A 0.1
C204B 0.1
C203B
0.1
C204C
0.1
C203C
0.1
C204D 0.1
C203D
0.1
C203
0.1
C210
1
TP421
RL203A
5
1
10
6
RL203B
5
1
10
6
RL203C
5
1
10
6
RL203D
5
1
10
6
FG
50V/10u
C200A
DHW
DOUT
CLK
C_CS[0]
FH
DCLK
nRST
EST[0]
MW[0]
BELL[0]
DIAG[0]
RA
TA
DIAG[1]
BELL[1]
MW[1]
EST[1]
MW[2]
EST[2]
BELL[2]
DIAG[2]
EST[3]
DIAG[3]
BELL[3]
MW[3]
VREF_C1
VOUT[0]
DTMFR[0]
VOUT[2]
DTMFR[2]
VOUT[3]
DTMFR[3]
VOUT[1]
DTMFR[1]
HOOK[0]
HOOK[1]
HOOK[3]
HOOK[2]
VREF_C1
TB
RB
HOOK[2]
VOUT[2]
MW[2]
BELL0
TC
RC
DTMFR[2]
VREF_C1
BELL[2]
HOOK[3]
VOUT[3]
MW[3]
TD
RD
DTMFR[3]
VREF_C1
BELL[3]
BELL[1]
HOOK[1]
MW[1]
VOUT[1]
DTMFR[1]
VREF_C1
BELL0
BELL0
MW[0]
BELL0
VOUT[0]
DTMFR[0]
HOOK[0]
BELL[0]
DIAG[0]
DIN
UHW
b
b
m
m
m
m
b
b
m
m
b
b
m
m
b
b
C
D
B
m
b
b
m
m
b
m
b
b
m
A
m
b
b
m
b
m
m
b
b
m
b
m
m
b
b
m
b
m
(1)
KX-TDA0175 SCHEMATIC DIAGRAM NO.2
20
22
21
23
24
D205A
DG
D205B
DG
D205C
DG
D205D
DG
14
KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X
CLK
UHW
C_CS[1]
DCLK
FH
nRST
DHW
DIN
DOUT
CN200
30
5
DTMFR[0-7]
VOUT[0-7]
EST[0-7]
MWDC0
CN200
31
6
MWDC0
CN200
32
7
MWDC0
CN200
33
8
MWDC0
TP486
IC203
5
6
7
TP510
TP494
TP480
TP495
TP476
C215
0.1
TP505
TP485
0.22
C211
TP481
TP512
TP473
TP492
TP478
TP470
TP490
C214
0.1
AG
TP487
TP471
TP472
DG
TP493
TP509
IC202
5
SB3_0
6 SO3_1
S03_0
7
GNDA1 50
INT34
15
VDDA34 61
INT12
34
DRB
30
PCLK 32
FSC 31
DOUT 20
DIN
19
DXB
29
RESET 23
MCLK
22
CS
17
DCLK 18
4
SB3_1
SI3_1
1
2
SI3_0
SB3_2
3
VDDD 24
VDDA12 52
GNDA2 54
9 SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
39 SB1_0
38 SB1_1
SI1_1
35
36
SI1_0
SB1_2
37
44 SB2_0
45 SB2_1
SI2_1
48
47 SI2_0
SB2_2
46
VDDREF
57
40
SO1_1
S01_0
41
VREF 56
43 SO2_1
S02_0
42
GNDA3 59
GNDA4 63
GNDD 21
CHCLK1
33
CHCLK2
16
TCB
28
DRA 27
DXA
26
TCA
25
Vout1
51
Vin1
49
53 Vout2
Vin2
55
60
Vout3
Vin3
58
62 Vout4
Vin4
64
TP491
TP506
TP488
AG
TP477
TP469
TP484
0.1
C213
TP483
TP508
C212
0.1
TP507
TP474
TP479
FIL201
1
2
3
DG
+5V
C219
1
C220
2.2
R217
10K
R218
10K
R219
10K
R220
10K
R221
10K
R222
10K
R223
10K
R224
10K
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
TP497
TP498
TP500
TP499
TP501
TP502
TP503
TP504
TP511
R231
100K
R232
N.C
R233
N.C
+5V
TP607
C225
0.1
C226
0.1
C227
0.1
C228
0.1
TP496
TP489
TP482
TP475
TP614
TP615
TP616
TP617
TP411E
TP409E
TP410E
TP414E
TP416E
TP415E
TP417E
TP408E
RL202E
1
8
+15V
D203E
TP407E
TP413E
TP412E
Q200E
E
C
B
N.C
R204E
+15V
D201E
1
2
RL203E
2
9
J202E
DG
RL202E
6
7
5
ZNR20E
47V
1K 1W
R203E
ZNR21E
22V
RL202E
3
2
4
FG
33K
R202E
DG
+15V
N.C
R201E
D200E
1
2
ZNR22E
N.C
FG
L200E
TP402E
TP403E
L201E
TP400E
TP401E
IC200E
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200E
50V/10u
TP411F
TP409F
TP410F
TP414F
TP416F
TP415F
TP417F
TP408F
RL202F
1
8
+15V
D203F
TP407F
TP413F
TP412F
Q200F
E
C
B
N.C
R204F
+15V
D201F
1
2
RL203F
2
9
J202F
DG
RL202F
6
7
5
ZNR20F
47V
1K 1W
R203F
ZNR21F
22V
RL202F
3
2
4
FG
33K
R202F
DG
+15V
N.C
R201F
D200F
1
2
ZNR22F
N.C
FG
L200F
TP402F
TP403F
L201F
TP400F
TP401F
IC200F
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200F
50V/10u
TP411G
TP409G
TP410G
TP414G
TP416G
TP415G
TP417G
TP408G
RL202G
1
8
+15V
D203G
TP407G
TP413G
TP412G
Q200G
E
C
B
N.C
R204G
+15V
D201G
1
2
RL203G
2
9
J202G
DG
RL202G
6
7
5
ZNR20G
47V
1K 1W
R203G
ZNR21G
22V
RL202G
3
2
4
FG
33K
R202G
DG
+15V
N.C
R201G
D200G
1
2
ZNR22G
N.C
FG
L200G
TP402G
TP403G
L201G
TP400G
TP401G
IC200G
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200G
50V/10u
TP411H
TP409H
TP410H
TP414H
TP416H
TP415H
TP417H
TP408H
RL202H
1
8
+15V
D203H
TP407H
TP413H
TP412H
Q200H
E
C
B
N.C
R204H
+15V
D201H
1
2
RL203H
2
9
J202H
DG
RL202H
6
7
5
ZNR20H
47V
1K 1W
R203H
ZNR21H
22V
RL202H
3
2
4
FG
33K
R202H
DG
+15V
N.C
R201H
D200H
1
2
ZNR22H
N.C
FG
L200H
TP402H
TP403H
L201H
TP400H
TP401H
IC200H
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200H
50V/10u
TP421E
Q203E
TP422E
R207E
N.C
TP423E
DG
Q204E
N.C
R208E
TP421F
Q203F
TP422F
R207F
N.C
TP423F
DG
Q204F
N.C
R208F
TP421G
Q203G
TP422G
R207G
N.C
TP423G
DG
Q204G
N.C
R208G
TP421H
Q203H
TP422H
R207H
N.C
TP423H
DG
Q204H
N.C
R208H
C202E
25V/4R7
C202F
25V/4R7
C202G
25V/4R7
C202H
25V/4R7
BELL0
C201E
50V/10u
C201F
50V/10u
C201G 50V/10u
C201H
50V/10u
L204
220
L205
220
R276
100
R277
100
TP656
TP657
TP658
TP659
+3.3V
R283
N.C
L47
0
TP680
TP718
+30V
+5V
+30V
+5V
+30V
+5V
+30V
+5V
DG
DG
DG
DG
AG
AG
AG
AG
C216
16V/1
DG
L51
0
ZNR23E
47V
ZNR23F
47V
ZNR23G
47V
ZNR23H
47V
C204E 0.1
C203E
0.1
C204F 0.1
C203F
0.1
C204G 0.1
C203G
0.1
C204H
0.1
C203H
0.1
RL203E
5
1
10
6
RL203F
5
1
10
6
RL203G
5
1
10
6
RL203H
5
1
10
6
BELL0,BELL[0-7],HOOK[0-7],DIAG[0-7],DTMFR[0-7],EST[0-7],MW[0-7],VOUT[0-7],VREF_C1,VREF_C2
HOOK[4]
VOUT[4]
MW[4]
TE
DTMFR[4]
RE
VREF_C2
BELL[4]
HOOK[5]
RF
MW[5]
TF
DTMFR[5]
VREF_C2
VOUT[5]
BELL[5]
HOOK[6]
RG
MW[6]
TG
DTMFR[6]
VREF_C2
VOUT[6]
BELL[6]
HOOK[7]
RH
MW[7]
TH
DTMFR[7]
VREF_C2
VOUT[7]
BELL[7]
BELL0
VOUT[7]
BELL[5]
BELL[6]
VOUT[4]
BELL[4]
DIAG[5]
DTMFR[7]
EST[7]
MW[6]
DIAG[7]
HOOK[6]
EST[6]
VOUT[5]
BELL[7]
MW[5]
DTMFR[6]
VOUT[6]
EST[5]
MW[4]
DIAG[6]
HOOK[5]
HOOK[4]
DIAG[4]
DOUT
DCLK
C_CS[1]
nRST
DHW
CLK
FH
BELL0
BELL0
BELL0
EST[4]
HOOK[7]
MW[7]
DTMFR[4]
DTMFR[5]
DIN
UHW
VREF_C2
E
F
G
H
m
b
b
m
b
m
m
b
b
m
b
m
m
b
m
b
m
m
b
b
m
b
m
(1)
D205E
DG
D205F
DG
D205G
DG
D205H
DG
15
KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X
3.3. No.3
CLK
UHW
C_CS[2]
DCLK
FH
nRST
DHW
DIN
DOUT
+5V
DG
0.1
C255
0.22
C251
AG
0.1
C253
MWDC1
9
CN200
34
10
CN200
35
CN200
36
11
CN200
37
12
0.1
C254
IC252
1
2
3
8
4
IC250
5 SB3_0
6 SO3_1
S03_0
7
GNDA1 50
INT34 15
VDDA34 61
INT12 34
DRB
30
PCLK
32
FSC 31
DOUT 20
DIN
19
DXB
29
RESET
23
MCLK 22
CS 17
DCLK 18
4
SB3_1
SI3_1
1
2
SI3_0
SB3_2
3
VDDD 24
VDDA12 52
GNDA2
54
9 SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
39
SB1_0
38
SB1_1
SI1_1
35
36
SI1_0
SB1_2
37
44 SB2_0
45 SB2_1
SI2_1
48
47 SI2_0
SB2_2
46
VDDREF 57
40
SO1_1
S01_0
41
VREF 56
43 SO2_1
S02_0
42
GNDA3 59
GNDA4
63
GNDD
21
CHCLK1 33
CHCLK2 16
TCB
28
DRA
27
DXA
26
TCA
25
Vout1
51
Vin1
49
53
Vout2
Vin2
55
60 Vout3
Vin3
58
62 Vout4
Vin4
64
C252
0.1
AG
R250
22
R251
22
TP515
TP516
TP517
TP518
TP519
TP514
TP521
TP522
TP523
TP524
TP525
TP526
TP528
TP529
TP530
TP531
TP532
TP533
TP535
TP536
TP537
TP538
TP539
TP540
TP541
TP551
TP550
TP559
TP557
TP556
TP555
TP554
TP552
TP553
MWDC1
MWDC1
DG
FIL251
1
2
3
+5V
C264
1
C265
2.2
R252
10K
R253
10K
R254
10K
R255
10K
R256
10K
R257
10K
R258
10K
R259
10K
+5V
TP542
+5V
TP543
+5V
+5V
TP544
TP545
+5V
+5V
TP546
TP547
+5V
+5V
TP548
TP549
TP558
R268
100K
R269
N.C
R270
N.C
TP608
C268
0.1
C269
0.1
C270
0.1
C271
0.1
TP520
TP527
TP534
TP618
TP619
TP620
TP621
TP411I
TP409I
TP410I
TP414I
TP416I
TP415I
TP417I
+5V
TP408I
RL202I
1
8
+15V
+30V
D203I
TP407I
TP413I
TP412I
Q200I
E
C
B
220
R204I
+15V
D201I
1
2
RL203I
2
9
J202I
DG
RL202I
6
7
5
ZNR20I
47V
1K 1W
R203I
ZNR21I
22V
RL202I
3
2
4
FG
33K
R202I
DG
+15V
1K
R201I
D200I
1
2
ZNR22I
FG
L200I
TP402I
TP403I
L201I
TP400I
TP401I
IC200I
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200I
50V/10u
TP411J
TP409J
TP410J
TP414J
TP416J
TP415J
TP417J
TP408J
RL202J
1
8
+15V
D203J
TP407J
TP413J
TP412J
Q200J
E
C
B
220
R204J
D201J
1
2
RL203J
2
9
J202J
RL202J
6
7
5
ZNR20J
47V
1K 1W
R203J
ZNR21J
22V
RL202J
3
2
4
33K
R202J
+15V
1K
R201J
D200J
1
2
ZNR22J
L200J
TP402J
TP403J
L201J
TP400J
TP401J
IC200J
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200J
50V/10u
TP411K
TP409K
TP410K
TP414K
TP416K
TP415K
TP417K
TP408K
RL202K
1
8
+15V
D203K
TP407K
TP413K
TP412K
Q200K
E
C
B
220
R204K
D201K
1
2
RL203K
2
9
J202K
DG
RL202K
6
7
5
ZNR20K
47V
1K 1W
R203K
ZNR21K
22V
RL202K
3
2
4
33K
R202K
+15V
1K
R201K
D200K
1
2
ZNR22K
L200K
TP402K
TP403K
L201K
TP400K
TP401K
IC200K
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200K
50V/10u
TP411L
TP409L
TP410L
TP414L
TP416L
TP415L
TP417L
TP408L
RL202L
1
8
+15V
D203L
TP407L
TP413L
TP412L
Q200L
E
C
B
220
R204L
+15V
D201L
1
2
RL203L
2
9
J202L
DG
RL202L
6
7
5
ZNR20L
47V
1K 1W
R203L
ZNR21L
22V
RL202L
3
2
4
33K
R202L
DG
+15V
1K
R201L
D200L
1
2
ZNR22L
L200L
TP402L
TP403L
L201L
TP400L
TP401L
IC200L
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200L
50V/10u
TP421I
Q203I
TP422I
R207I
390
TP423I
DG
Q204I
1M
R208I
TP421J
Q203J
TP422J
R207J
390
TP423J
Q204J
1M
R208J
TP421K
Q203K
TP422K
R207K
390
TP423K
Q204K
1M
R208K
TP421L
Q203L
TP422L
R207L
390
TP423L
DG
Q204L
1M
R208L
C202I
25V/4R7
C202J
25V/4R7
C202K
25V/4R7
C202L
25V/4R7
C201I
50V/10u
C201J
50V/10u
C201K
50V/10u
C201L
50V/10u
L206
220
L207
220
R278
100
R279
100
TP660
TP661
TP662
TP663
+3.3V
R284
N.C
L48
0
TP681
DG
DG
DG
+30V
+5V
+30V
+5V
+30V
+5V
+15V
DG
DG
DG
+15V
DG
DG
FG
FG
FG
FG
FG
FG
AG
AG
AG
C256
16V/1
DG
L52
0
ZNR23I
47V
ZNR23J
47V
ZNR23K
47V
ZNR23L
47V
C203I
0.1
C204I
0.1
C204J
0.1
C203J
0.1
C204K
0.1
C203K
0.1
C204L
0.1
C203L
0.1
AG
DG
C250
0.1
C257
1
TP513
RL203I
5
1
10
6
RL203J
5
1
10
6
RL203K
5
1
10
6
RL203L
5
1
10
6
DHW
DOUT
CLK
C_CS[2]
FH
DCLK
nRST
EST[8]
MW[8]
BELL[8]
DIAG[8]
DIAG[9]
BELL[9]
MW[9]
EST[9]
MW[10]
EST[10]
BELL[10]
DIAG[10]
EST[11]
DIAG[11]
BELL[11]
MW[11]
VOUT[8]
DTMFR[8]
VOUT[10]
DTMFR[10]
VOUT[11]
DTMFR[11]
VOUT[9]
DTMFR[9]
RI
HOOK[8]
TI
HOOK[9]
HOOK[11]
HOOK[10]
VREF_C3
HOOK[10]
VOUT[10]
MW[10]
BELL1
DTMFR[10]
TK
RK
VREF_C3
BELL[10]
HOOK[11]
VOUT[11]
MW[11]
DTMFR[11]
TL
RL
VREF_C3
BELL[11]
TJ
RJ
BELL[9]
HOOK[9]
MW[9]
VOUT[9]
DTMFR[9]
VREF_C3
BELL1
BELL[8]
HOOK[8]
DTMFR[8]
VOUT[8]
MW[8]
BELL1
BELL1
VREF_C3
MWDC1
DIN
UHW
K
L
J
I
m
b
b
m
b
m
m
b
b
m
b
m
m
b
b
m
b
m
m
b
b
m
b
m
(1)
KX-TDA0175 SCHEMATIC DIAGRAM NO.3
D205I
DG
D205J
DG
D205K
DG
D205L
DG
16
KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X
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