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Model
KX-TDA0173 KX-TDA0173XJ KX-TDA0173X (serv.man2)
Pages
18
Size
1.64 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / 8-PORT SINGLE LINE TELEPHONE EXTENSION CARD
File
kx-tda0173-kx-tda0173xj-kx-tda0173x-sm2.pdf
Date
PREV: Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X Service Manual / Supplement

Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X (serv.man2) Service Manual / Supplement ▷ View online

TP175
TP176
NC
C41
RA48 NC
1 2 3 4
5
6 7 8 9
10
DG
TP123
C22
1u
L11
220
TP173
L28
220
TP204
TP229
TP74
TP83
TP214
TP224
TP94
TP153
PT_POW[0-7]
RA18 47 1
2
3
4
5
6
7
8
TOE[0-7]
TP180
TP423
TP162
TP183
TP193
DG
TP421
TP154
TP146
DG
L2
220
L8
220
RA43 10K
1 2 3 4
5
6 7 8 9
10
TP100
L15
220
DIAG_T
R37
10K
TP226
+40V
DG
C_CSO
TP217
TP420
TP141
TP170
L17
220
TP128
22
R76
TP200
TP120
NC
R45
TP104
PROTECT
TP228
L22
220
TP161
+30V
25V/47u
C35
TP179
TP238
TP187
TP205
TP221
TP184
TP230
TP119
TP174
+3.3V
+3.3V
TP70
TP81
TP432
L19
220
TP235
TP157
L10
220
TP408
R47
100
22
R72
TP73
+3.3V
C42
0.1u
NC
C38
TP197
TP98
47
R56
J1
0
DTH[0-7]
L21
220
RA40 10K
4
3
2
1
5
9
8
7
6
10
L30
220
L27
220
TP84
NC
C39
TP111
TP110
47
R57
BELL_SYNC
TP231
J6
0
L9
220
IC10
13
12
11
J22
0
IC10
10
9
8
TP97
TP188
TP147
R80
100
1K
R74
TP135
47
R59
TP425
220
R73
TP192
TP185
DIAG_R
TP64
RA14 NC 2
1
3
4
5
6
8
7
TP234
22
R67
RA19 47 4
3
2
1
8
7
6
5
L1
220
TP60
+3.3V
TP112
TP71
IC9
M/R 1
SUB 2
GND 3
Vout
4
Vcc
5
+15V
TP216
R42
220
RA16 47 4
3
2
1
8
7
6
5
22
R68
DR[0-7]
C23
0.1u
J25
NC
TP126
TP165
J26
0
TP86
TP191
TP133
TP194
TP122
TP402
TP151
TP360
J4
0
TP186
TP79
R84
10K
TP140
+3.3V
FIL4
1
2
3
TP58
C_CS1
J5
0
TP77
TP206
L4 220
RA41 10K
4
3
2
1
5
9
8
7
6
10
TP150
RA21 47 4
3
2
1
8
7
6
5
TP103
TP195
L12
220
TP158
TP65
NC
C40
10K
R98
TP101
TP190
TP426
TP78
R60
10K
J9
NC
TP429
DG
TP203
TP178
TP92
TP113
TP202
TP225
DG
Q9
S
D
G
TP59
DTL[0-7]
TP137
TP168
47
R58
TP155
TP182
DG
PG
P.G
J3
0
TP233
RA17 47 4
3
2
1
8
7
6
5
TP169
TP87
R49
100
TP127
TP68
TP96
TP85
L24
220
J8
0
RA44 10K
1 2 3 4
5
6 7 8 9
10
TP422
TP75
DG
RA46 NC
1 2 3 4
5
6 7 8 9
10
DG
+15VPT
CN2
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
J21
0
J2
NC
RA5
1K
1
2 3 4
5
6
7
8
L6
220
AG
TP219
TP149
TP99
TP227
DOUT
TP232
nPOW_RST
RA20 47 1
2
3
4
5
6
7
8
TP90
RA49 10K
4
3
2
1
5
6
7
8
9
10
TP72
DG
TP406
TP95
TP136
TP93
TP121
TP144
IC10
14
7
+3.3V
TP189
TP124
TP91
TP361
TP407
TP220
nHALT
DG
TP145
TP166
RA47 NC
1 2 3 4
5
9 8 7 6
10
TP143
J7
0
TP89
TP102
TP130
DG
TP76
R64
47
25V/0.1u
C34
L3
220
L16
220
TP88
TP159
DIN
TP223
L7
220
TP177
22
R71
TP61
TP431
TP172
C21
2.2u
R77
1K
TP106
+3.3V
+3.3V
TP160
R63
47
TP401
TP62
J24
0
L25
220
L26
220
TP404
22
R69
+3.3V
L29
220
TP125
TP66
R43
220
TP134
TP403
TP80
+5V
L14
220
TP405
TP152
DG
R65 NC
TP82
TP69
L23
220
U2
NC
4
3
5
TP236
TP215
TP222
TP67
RA45 NC
4 3 2 1
5
9 8 7 6
10
L20
220
TP171
L13
220
FIL3
1
2
3
TP181
+3.3V
TP167
TP142
TP108
nRST
TP156
TP63
TP109
TP364
TP201
J23
NC
R66 NC
TP131
+3.3V
TP196
TP213
TP107
L5 220
22
R75
DCLK
TP138
+3.3V
TP218
L18
220
R83
10K
TP105
22
R70
0
R44
R48
100
DG
J46
NC
TP139
J44
NC
J42
0
J41
0
DG
J40
0
J43
NC
+3.3V
R85
10K
J47
0
J48
0
J49
0
RA42 10K
1
2
3
4
5
6
7
8
9
10
TP427
+3.3V
J61
NC
J62
NC
DG
TP424
RA50 10K
4
3
2
1
5
9
8
7
6
10
DG
J60
NC
J63
0
J64
0
J65
0
J45
0
R86
10K
+3.3V
NC
R87
TP867
TP868
TP869
TP870
TP872
TP877
TP876
TP878
TP879
TP880
TP873
TP881
DG
C51
50V/0.01u
C44
50V/0.1u
50V/10
C43
22K
R88
PG
P.G
0.1u
C52
J102 NC
J101NC
NC
R93
U2
1
6
2
TP945
0
R97
+5V
10K
R95
+5V
10K
R91
NC
R92
10K
R94
NC
R96
TP944
DG
TP947
TP946
TP430
L701 0
L702
0
DG
C36
NC
R99
1K
R100
1K
DG
C37
NC
TP882
TP883
C55 50V/3300P
DG
FIL8
1
2
3
C49
1u
TP400
J103 NC
L704
0
C50
0.1u
C48
2.2u
+3.3V
W101
AC_ALM
D1
C24
2.2u
C25 1u
C26 0.1u
C27 0.1u
C28 0.1u
C29 0.1u
C30 0.1u
C31 0.1u
C32 0.1u
C60 0.1u
C61 0.1u
C62 0.1u
C65 0.1u
DG
C63 0.1u
C64 0.1u
C66
16.384M
VREF-
+30V
VREF+
IC7
RX[7]
190
A
VDD
180
PLLGND
3
PLLCLK/PLL
VDD
4
PLL
VDD/PLL
VSS
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
W
AIT
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/P3[7] 107
TDI/W 108
TDO/T 109
TRST/P4[0] 110
TMS/P4[1] 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]/GND
177
VDD
178
GND/PLLCLK
1
P4[0]/GND
192
P4[1]/VDD
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/GND 200
VDD
2
VREFPLUS 181
VREFMINUS 182
A
VDD
191
RX[0]
183
RX[1]
184
RX[2]
185
RX[3]
186
RX[4]
187
RX[5]
188
RX[6]
189
PLLA
T1/VCC
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
IP1
125V/5A
IP3 0
IP4
NC
EC_AD[2]
EC_AD[12]
CT_D[6]
DTL[0-7]
EC_AD[10]
DTL[2]
CT_D[2]
A[10]
EC_AD[14]
EC_AD[6]
TOE[2]
DTH[0-7]
EC_AD[8]
EC_AD[14]
D[5]
PT_POW[3]
PT_PO
W[0-7]
A[7]
EC_AD[1]
CT_D[7]
DTH[1]
DTH[7]
nRST
A[4]
EC_AD[13]
DIAG_T
EC_AD[6]
nWR
nWR
A[8]
PT_POW[2]
CT_D[4]
EC_AD[15]
EC_AD[12]
D[0]
CT_D[1]
DTL[3]
CT_D[4]
TOE[5]
EC_AD[0]
PT_POW[4]
EC_AD[6]
EC_AD[11]
D[7]
DTH[2]
CT_D[5]
VREF1
VREF1
EC_AD[9]
A[1]
TOE[4]
DTH[3]
D[1]
EC_AD[4]
EC_DET
EC_AD[12]
DR[0-7]
EC_AD[3]
EC_AD[11]
T
OE[0-7]
CT_D[0]
CT_D[6]
TOE[3]
CT_D[7]
EC_AD[0]
D[6]
EC_AD[14]
PT_POW[7]
CT_D[0]
DTH[5]
A[0]
CT_D[2]
A[9]
BELL_SYNC
P[23]
EC_AD[8]
DG
TOE[7]
A[6]
EC_AD[15]
EC_AD[9]
nCS_CUR0
nCS_CUR0
nBA
CK
A[3]
PT_POW[6]
EC_AD[2]
EC_AD[4]
nALE
DTH[4]
EC_AD[11]
EC_AD[8]
EC_AD[4]
TOE[6]
A[12]
CT_D[6]
CT_D[5]
nBREQ
EC_AD[5]
A[5]
PT_POW[5]
CT_D[1]
CT_D[3]
D[2]
CT_D[3]
EC_AD[5]
EC_INT
DIAG_R
CT_D[7]
EC_AD[10]
EC_AD[13]
EC_AD[5]
EC_AD[9]
EC_AD[2]
PT_POW[1]
EC_AD[1]
D[3]
nHALT
EC_AD[10]
EC_AD[13]
nIRQ1
CT_D[2]
CT_D[3]
nCS1
DTH[6]
EC_AD[1]
EC_AD[7]
DTL[6]
A[2]
EC_AD[7]
CT_D[1]
nRD
DTL[0]
EC_AD[3]
EC_AD[0]
nOPT
CT_D[4]
A[11]
PFRLY
EC_AD[7]
D[4]
DTL[5]
CT_D[0]
EC_AD[3]
DTL[4]
DTH[0]
CT_D[5]
nCS2
EC_AD[15]
DR[7]
DR[6]
DR[5]
DR[4]
DR[3]
DR[2]
DR[1]
DR[0]
TOE[0]
TOE[1]
PT_POW[0]
DTL[1]
DTL[7]
nPOW_RST
VREF+
VREF+
VREF-
DG
DG
VREF0
VREF0
+3.3V
-1
AG
(1)
(2)
~
(4)
(5)
~
(10)
(11)
~
(21)
(22)
~
(28)
(29)
(30)
(31)
~
(33)
0
8.192MHz
3.3V
0
8kHz
3.3V
in the clock master
8.192MHz
3.3V
0
3.3V
0
3.3V
0
3.3V
0
3.3V
0
Normal: 3.3V
Normal: 3.3V
Normal: 3.3V
Normal: 3.3V
Normal: 3.3V
3.3V
0
3.3V
0
3.3V
0
5V
0
3.3V
0
8K
3.3V
0
20 or 25Hz
3.3V
0
3.3V
0
3.3V
0
5V
0
3.3V
0
4.096M
3.3V
0
8K
13
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
3.2. No.2
3.3V
0
DTMF Detection: 3.3V
Normal: 0V 
DG
J508
0
J506
0
IC506
1M SRAM TSOP
A11
1
A9
2
A8
3
A13
4
nWE
5
CE2
6
A15
7
VCC
8
NC
9
A16
10
A14
11
A12
12
A7
13
A6
14
A5
15
A4
16
A3 17
A2 18
A1 19
A0 20
I/O0 21
I/O1 22
I/O2 23
GND 24
I/O3 25
I/O4 26
I/O5 27
I/O6 28
I/O7 29
nCE1 30
A10 31
nOE 32
DG
J505
NC
CN501
1
TX
2
RX
3
VDD
4
GND
5
N.C
6
CTS
7
RTS
+3.3V
C524
2.2u
TP586
22
R546
C525
1u
NC
C527
FIL503
1
2
3
22
R547
IC505
3D
7
6Q 15
8D 18
7Q 16
6D
14
2D
4
1
nOC
1Q
2
1D
3
2Q
5
3Q
6
7D 17
5Q 12
5D 13
4D
8
GND
10
4Q
9
EN 11
VCC
20
8Q 19
TP587
TP585
TP584
DG
TP579
TP590
+3.3V
J507
0
DG
nCS1
nCS2
TP578
TP580
TP581
TP588
TP589
IC10
1
2
3
TP772
TP554
IC10
4
5
6
IC510
NC
1
2
TP758
IC509
NC 4M SRAM
A17
1
A16
2
A14
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
I/O0
13
I/O1
14
I/O2
15
VSS
16
I/O3
17
I/O4
18
I/O5
19
I/O6
20
I/O7
21
nCE 22
A10
23
nOE 24
A11
25
A9
26
A8
27
A13
28
nWE 29
A18
30
A15
31
VCC
32
NC
R541
+3.3V
TP757
+3.3V
J513
NC
J512
NC
J511
NC
TP774
TP775
TP773
+3.3V
FIL509
NC
1
2
3
TP929
DG
C545
NC
C544
NC
IC503
NC
1M SRAM STSOP
A11
1
A9
2
A8
3
A13
4
nWE
5
CE2
6
A15
7
VCC
8
NC
9
A16
10
A14
11
A12
12
A7
13
A6
14
A5
15
A4
16
A3
17
A2
18
A1
19
A0
20
I/O0
21
I/O1
22
I/O2
23
GND
24
I/O3
25
I/O4
26
I/O5
27
I/O6
28
I/O7
29
nCE1 30
A10
31
nOE
32
TP561
TP563
TP562
+3.3V
TP577
RA527
68
4
3
2
1
8
7
6
5
RA520
68
4
3
2
1
8
7
6
5
C529
1u
L509
220
+3.3V
L518
220
L520
220
TP576
L521
220
TP565
TP566
TP574
TP572
TP568
IC504
4M  FLASHROM
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
NC
9
NC
10
WE
11
RESET 12
NC 13
NC 14
RY/BY 15
A18
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
CE
26
Vss 27
OE
28
DQ0 29
DQ8 30
DQ1 31
DQ9 32
DQ2 33
DQ10 34
DQ3 35
DQ11 36
Vcc 37
DQ4 38
DQ12 39
DQ5 40
DQ13 41
DQ6 42
DQ14 43
DQ7 44
DQ15/A_1 45
Vss 46
BYTE
47
A16
48
L507
220
10K
R543
L510
220
L506
220
TP573
TP570
TP569
TP930
RA526
68
1
2
3
4
5
6
7
8
DG
L513
220
nPOW_RST
TP571
TP931
L516
220
TP567
L515
220
L508
220
C530
2.2u
L511
220
L514
220
TP560
TP575
RA519
68
4
3
2
1
8
7
6
5
L517
220
FIL504
1
2
3
L512
220
L519
220
+3.3V
TP924
+3.3V
RA532 1K
1 2 3 4
5
6 7 8 9
10
TP923
RA5311K
4 3 2 1
5
9 8 7 6
10
TP591
TP594
TP592
TP593
TP598
TP595
TP596
TP564
TP597
TP712
TP709
TP710
TP715
TP714
TP708
TP711
TP713
TP779
TP778
TP920
RA528 10K
1 2 3 4
5
9 8 7 6
10
TP922
RA53010K
9 8 7 6
5
1 2 3 4
10
RA529 10K
9 8 7 6
5
4 3 2 1
10
+3.3V
TP921
TP925
RA533 10K
1 2 3 4
5
6 7 8 9
10
+3.3V
TP926 +3.3V
RA534 10K
4 3 2 1
5
6 7 8 9
10
TP935
RA536
10K
1
2
3
4
5
6
7
8
9
10
+3.3V
TP927
+3.3V
10K
R589
J112 NC
J110 NC
J111 NC
L707
NC
L708
0
L709
0
TP950
A[5]
A[15]
A[2]
A[9]
D[6]
D[2]
D[1]
A[16]
A[14]
D[7]
A[10]
A[12]
A[4]
A[3]
A[11]
A[8]
A[1]
D[4]
D[3]
A[6]
D[0]
A[1]
A[0]
A[7]
A[3]
A[2]
nALE
A[0]
D[0-15]
D[5]
A[13]
A[17]
A[4]
nCS2
nCS2
nCS2
A[0-21]
A[0]
A[1]
A[2]
A[3]
A[6]
A[7]
A[5]
A[4]
A[16]
A[14]
A[12]
D[0-15]
D[0-15]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[0-21]
A[0-21]
A[15]
A[11]
A[10]
A[9]
A[8]
A[13]
nBREQ
nCS0
nCS0
nCS0
A[18]
A[17]
A[17]
D[4]
A[6]
A[14]
A[16]
A[4]
A[15]
D[2]
D[1]
D[3]
D[0]
A[12]
A[8]
A[5]
A[7]
D[5]
A[13]
A[9]
A[11]
A[0]
A[1]
A[2]
D[7]
nRD
nRD
nRD
nRD
A[0-21]
A[0-21]
A[3]
A[10]
D[6]
nRST
nRST
nRST
nRST
D[0-15]
A[9]
A[7]
A[12]
A[19]
A[10]
A[21]
A[14]
A[15]
nWR
nWR
nWR
nWR
A[8]
A[13]
A[3]
A[20]
A[2]
A[18]
A[6]
A[5]
A[1]
A[4]
A[11]
A[16]
A[17]
D[1]
D[4]
D[10]
D[9]
D[13]
D[6]
D[14]
D[5]
D[12]
D[0]
D[15]
D[8]
D[3]
D[7]
D[2]
D[11]
D[15]
D[11]
D[9]
D[0]
D[8]
D[3]
D[1]
D[7]
D[14]
D[12]
D[10]
D[5]
D[4]
D[2]
D[6]
D[13]
A[20]
A[15]
A[6]
A[0]
A[13]
A[8]
A[7]
A[4]
A[1]
A[9]
A[5]
A[19]
A[18]
A[11]
A[3]
A[21]
A[16]
A[12]
A[10]
A[14]
A[17]
A[2]
DG
DG
A[13]
A[14]
A[15]
A[16]
A[17]
RY/nBY
(1)
(2)
(16)
(17)
(33)
(11)
~
(15)
(3)
~
(10)
(18)
~
(23)
(24)
~
(27)
(28)
~
(30)
(31)
(32)
KX-TDA0173 SCHEMATIC DIAGRAM NO.2
14
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
3.3V
0
FIL505
1
2
3
TP655
L522
220
22
R551
TP628
TP607
TP603
nIRQ1
TP656
TP601
TP716
TP604
nRD
DG
TP738
TP722
TP719
TP662
TP670
TP600
DG
TP647
TP659
TP665
TP725
TP629
TP729
J510
NC
TP610
TP641
TP648
TP617
TP606
DG
L526
220
TP728
TP721
TP672
L525
220
nWR
TP626
TP720
TP633
nBACK
TP661
TP621
L524
220
TP609
nBREQ
C550
0.1u
TP671
TP733
TP683
J509
NC
TP663
TP685
TP616
TP643
TP619
nRST
TP644
TP678
TP654
TP638
22
R553
TP736
TP627
A[0-21]
TP664
TP747
NC
C539
TP724
TP679
TP735
TP639
TP680
TP732
+3.3V
TP723
TP645
TP615
+3.3V
22
R555
12.288MHz
X501
1
2
3
TP682
TP608
68
R549
TP622
TP636
TP668
TP624
TP653
TP658
TP652
TP620
TP649
TP730
68
R550
+3.3V
TP651
L523
220
TP667
TP734
nALE
TP675
TP717
FIL506
1
2
3
TP646
TP634
TP623
TP611
TP676
TP748
TP612
TP660
nHALT
DG
TP666
nWAIT
TP731
TP737
TP637
TP674
TP605
TP632
TP727
TP681
L527
220
TP618
TP677
TP718
TP614
TP726
22
R552
TP657
TP669
C532
1u
TP599
10K
R548
NC
C537
TP635
TP642
TP602
PG
P.G
+3.3V
R805
680
PG
P.G
25V/0.1u
C806
TP756
TP754
PG
P.G
PG
P.G
PG
P.G
25V/0.1u
C805
PG
P.G
+5V
PG
P.G
PROTECT
+15V
TP752
30V/2A
D802
12
D803
VZ=5.1v
TP750
TP753
TP745
L804
0
PG
P.G
0.1u
C807
TP744
TP751
R803
680
D801
30V/2A 1
2
0.1u
C808
25V/100u
C801
R806
680
IC801
ON/#OFF
1
VSS
2
VOUT
3
EXT
4
VIN
5
Q801
S
D
G
25V/120u
C802
TP755
D804
VZ=7.5v
PG
P.G
6.3V/220u
C809
PG
P.G
DA801
IF=150mA
IC802
ON/#OFF
1
VSS
2
VOUT
3
EXT
4
VIN
5
10V/150u
C810
L802
1.5A/68u
Q802
S
D
G
R804
680
L803
0
L801
1.5A/68u
L805
NC
+5VPT
TP739
FIL507
1
2
3
+3.3V
C534
0.1u
C540
2.2u
C535
1u
56
R801
56
R802
TP743
TP742
TP741
IC510
NC
3
4
IC510
NC
5
6
IC510
NC
9
8
IC510
NC
11
10
IC510
NC
13
12
DG
TP767
TP768
TP770
TP769
TP771
IC510
NC
14
7
C542
NC
C543
NC
C541
NC
FIL508
NC
1
2
3
DG
39K
R554
+3.3V
TP740
L810
60
/100Hz
L811
60 /100Hz
TP673
BELL_SYNC
Q501
50V/100mA/150mW/10K-47K
E
C
B
TP776
TP777
L530
220
L547
220
L548
220
L542
220
L545
220
L544
220
L533
220
L539
220
L529
220
L532
220
L540
220
L536
220
L534
220
L531
220
L549
220
L546
220
L537
220
L535
220
L538
220
L528
220
L541
220
L543
220
68
R557
RA525
68
4
3
2
1
8
7
6
5
RA523
68
4
3
2
1
8
7
6
5
RA524
68
4
3
2
1
8
7
6
5
RA522
68
4
3
2
1
8
7
6
5
RA521
68
4
3
2
1
8
7
6
5
68
R556
TP688
TP699
TP692
TP691
TP706
TP696
TP686
TP704
TP694
TP705
TP701
TP700
TP697
TP698
TP707
TP690
TP702
TP689
TP687
TP703
TP693
TP695
RA535
10K
1
2
3
4
5
6
7
8
9
10
TP928
+3.3V
D[0-15]
P[23]
FH
TP939
IC508
1
Xin
2
GND
3
S1
4
S0
5 SSCLK
6 FRSEL
7 VDD
8XOUT
NC
C811
PG
P.G
TP940
TP941
TP942
J515
0
+3.3V
DG
DG
J517
0
J516
NC
TP943
J514
NC
+3.3V
DG
J106
NC
J108 NC
J109 NC
J107 NC
150
R590
150
R591
68
R592
0
R593
L710
0
L712
0
DG
L711
NC
+3.3V
AC_ALM
FIL510
1
2
3
DG
R594
330
12.288M
TP951
C551
0.1u
C552
0.1u
C553
0.1u
C554
0.1u
C531
2.2u
C533
0.1u
12.288M
+5V
+3.3V
+15V
+5VPT
IC507
RE2
10 AD8
11 AD9
21
A1
20
A0/nHBS
12 AD10
14 AD11
16 AD12
17 AD13
18 AD14
19 AD15
66 PA13/nIRQ1/nDREQ0/TCLKB
67 PA14/nIRQ2/DACK1
68 PA15/nIRQ3/nDREQ1
46 nCS0
47 nCS1/nCASH
48 nCS2
49 nCS3/nCASL
77 MD0
78 MD1
79 MD2
74 NMI
75 nWDTOVF
55 PA4/nWRL
56 PA5/nWRH
57 PA6/nRD
58 PA7/nBACK
87 PB4/TP4/TIOCA4
93 PB8/TP8/RXD0
94 PB9/TP9/TXD0
95 PB10/TP10/RXD1
96 PB11/TP11/TXD1
97 PB12/TP12/nIRQ4/SCK0
98 PB13/TP13/nIRQ5/SCK1
100 PB15/TP15/nIRQ7
51 PA0/nCS4/TIOCB0
52 PA1/nCS5/nRAS
53 PA2/nCS6/TIOCB0
54 PA3/nCS7/nWAIT
23
A3
22
A2
26
A5
25
A4
28
A7
27
A6
30
A9
29
A8
33
A11
31
A10
35
A13
34
A12
37
A15
36
A14
40
A17
39
A16
43
A19
42
A18
45
A21
44
A20
99 PB14/TP14/nIRQ6
88
VCC
2
AD1
1
AD0
5
AD3
3
AD2
7
AD5
6
AD4
9
AD7
8
AD6
89 PB5/TP5/TIOCB4
69
CK
90 PB6/TP6/TOCXA4/TCLKC
91 PB7/TP7/TOCXB4/TCLKD
81
VSS
82
VSS
92
VSS
13
VCC
38
VCC
63
VCC
73
VCC
80
VCC
70
VSS
4
VSS
15
VSS
24
VSS
32
VSS
41
VSS
50
VSS
72
XTAL
71
EXTAL
76
nRES
59
VSS
83 PB0/TP0/TIOCA2
85 PB2/TP2/TIOCA3
84 PB1/TP1/TIOCB2
86 PB3/TP3/TIOCB3
60 PA8/nBREQ
62 PA10/DPL/TIOCA1
65 PA12/nIRQ0/DACK0/TCLKA
61 PA9/nAH/nIRQOUT
64 PA11/DPH/TICOB1
IP801
125V/0.75A
IP802
125V/0.75A
D[0]
A[9]
nW
AIT
D[11]
D[8]
A[7]
A[0-21]
A[13]
D[1]
A[0]
nBA
CK
D[10]
D[7]
A[20]
A[19]
D[6]
D[12]
A[2]
A[10]
D[5]
D[13]
A[11]
D[15]
A[12]
A[16]
A[18]
D[4]
D[9]
A[21]
A[4]
A[3]
D[3]
A[17]
D[2]
A[1]
A[15]
A[14]
A[6]
A[8]
A[5]
nIRQ1
A[0-21]
D[0-15]
D[0-15]
D[14]
D[0-15]
DG
FH
P[23]
(1)
(2)
(16)
(17)
(33)
(11)
~
(15)
(3)
~
(10)
(18)
~
(23)
(24)
~
(27)
(28)
~
(30)
(31)
(32)
Normal: 3.3V
3.3V
0
3.3V
0
3.3V
0
12.288M
Normal: 3.3V
Normal: 0V
3.3V
0
Normal: 0V
15V
15V
250~300kHz
250~300kHz
3.3V
0V
5V
0V
15V
0V
250~300kHz
15
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
3.3. No.3
28
RL251
12
1
IC253
1
2
3
8
4
0.1u
C258
3
0.1u
C251
RL251
4
3
5
L252
220
0.1u
C260
CN4
3
26
L251 220
100
R255
0.1u
C252
RL251
9
10
8
+15V
J202
NC
100
R254
100
R251
1
L203A
L204A
0.1u
C259
0.1u
C254
0.22u
C257
J201
NC
D251
100mA 80V
1
2
0.1u
C253
CN4
2
Q251
50V/100mA/150mW/4.7K
E
C
B
VOUT[0]
VOUT[2]
VOUT[3]
PT_POW[0]
PT_CUR[0]
CN3
27
2
DIAG_R
DIAG_T
DG
16V/1u
C263
FIL251
1
2
3
+5V
C261
1u
C256
2.2u
DG
TP303
C262
0.1u
PFRLY
TP251
TP255
TP252
TP256
TP287
TP261
TP262
TP266
TP273
TP274 TP283
TP267
TP263
TP271
TP268
TP275
TP264
TP277
TP260
TP300
TP302
TP299
TP298
TP296
TP297
TP301
TP304
TP305
+5V
VOUT[1]
L204C
2200
/100Hz
TP253
RL252
4
3
5
J203 NC
L203D
2200
/100Hz
31
9
8
4
TP257
35
37
7
TP254
L203B
2200
/100Hz
29
RL252
9
10
8
10
L204D
2200
/100Hz
CN4
1
CN3
30
5
L204B
2200
/100Hz
12
CN3
33
L203C
2200
/100Hz
6
11
CN4
4
34
J204
NC
CN3
36
32
TP282
TP281
TP280
TP279
TP290
TP291
TP292
TP293
TP294
TP295
RL252
12
1
TP259
+5V
C277
0.1u
100K F
R261
NC
R259
+5V
NC
R260
TP343
U6AB
1
6
2
+3.3V
U6AB
4
3
5
+3.3V
TP258
TP353
PT_POW[1]
PT_CUR[1]
PT_POW[2]
PT_CUR[2]
TP355
+3.3V
U6CD
4
3
5
PT_CUR[3]
PT_POW[3]
+3.3V
U6CD
1
6
2
TP354
TP352
AG
AG
AG
AG
AG
TP270
TP284
TP269
TP265
TP276
TP285
TP272
NC
C255
AG
AG
AG
CLK
TP370
RA260 10K
4
3
2
1
5
6
7
8
9
10
+5V
IC251
4ch CODEC
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
TP371
+5V
RA261 10K
1
2
3
4
5
6
7
8
9
10
J115
NC
L713
0
PG
PTG
L715
0
TP948
PG
PTG
PG
PTG
PG
PTG
PG
PTG
PG
PTG
+40V
D2A
NC
12
PG
PTG
PG
SLTG
PG
PTG
PG
PTG
PG
PTG
PG
PTG
PG
PTG
Q53A
45V/100mA/150mW
E
C
B
Q54A
50V/100mA/150mW
E
C
B
PG
SLTG
PG
PTG
TP14A
U1A
4
3
5
Q4A
NC
E
C
B
NC
R5A
NC
R22A
U1A
1
6
2
L2A
NC
R27A
D1A
NC
R4A
TP3A
C11A NC
TP31A
U2A
1
6
2
ZNR1A
TP30A
TP10A
U4A
4
3
5
NC
R26A
NC
R1A
FG
TP15A
TP7A
TP2A
TP12A
TP1A
NC
R21A
U3A
1
6
2
+40V
NC
R24A
TP8A
TP6A
TP26A
TP11A
NC
R6A
U3A
4
3
5
TP5A
+15VPT
TP35A
TP32A
L1A
U4A
1
6
2
Q1A
NC
E
C
B
ZNR2A
TP28A
NC
C2A
NC
R3A
NC
R2A
TP29A
Q2A
E
C
B
TP33A
TP25A
TP27A
TP24A
TP34A
TP4A
C10A NC
U2A
4
3
5
RA1A NC
4
3
2
1
8
7
6
5
TP9A
NC
R23A
NC
R7A
NC
R25A
AG
TP78A
TP83A
U52A
1
6
2
U52A
50V/100mA/150mW
4
3
5
50V/10u
C55A
TP52A
TP51A
TP84A
TP85A
TP55A
TP81A
220
R76A
TP79A
RL51A
12
1
+15V
D53A 100mA/80V
1
2
Q58A
50V/100mA/150mW/4.7K
E
C
B
TP62A
TP77A
D55A
100mA/80V
12
TP64A
TP82A
TP80A
TP73A
TP58A
TP65A
TP70A
TP72A
TP63A
TP67A
TP66A
TP71A
TP76A
TP74A
TP75A
TP69A
TP68A
TP60A
TP61A
TP59A
TP57A
TP54A
TP56A
TP53A
TP22A
TP23A
50V/10u
C57A
NC
R18A
NC
R17A
+30V
Q57A
50V/100mA/150mW/4.7K
E
C
B
Q51A
50V/1A/1W
E
C
B
Q52A
50V/1A/1W
E
C
B
NC
R9A
NC
C6A
NC
C7A
NC
R11A
TP19A
NC
R14A
10K
R16A
NC
C5A
NC
R15A
NC
C4A
T1A
10
9
5
4
7
6
2
1
TP18A
TP17A
C9A
NC
TP21A
NC
R12A
+5VPT
NC
R8A
C8A
NC
NC
R13A
U5A
1
6
2
TP20A
NC
R10A
TP16A
NC
C3A
U5A NC
4
3
5
22
R75A
22
R72A
D52A
100mA/80V
12
IC1A
5
6
7
RL51A
9
10
8
10K
R68A
68
1/4W
R61A
220
R74A
RL51A
4
3
5
56K F
R70A
100K F
R73A
6.8K
R54A
68 1/4W
R62A
50V/10u 
C56A
100K F
R66A
ZNR51A
D51A
250mA Vz3.9v
1
2
RL52A
4
3
5
D54A
100mA/80V
12
J51A
NC
221/4W
R60A
33K
R52A
0.01u
C53A
FG
IC1A
1
2
3
4
8
56K
R53A
50V/4.7u 
C51A
4.7K
R77A
0.039u
C54A
68P
C60A
22 1/4W
R59A
56K F
R69A
RL52A
9
10
8
12K
R58A
300 F
R63A
100K F
R71A
33K
R57A
RL52A
1
12
68P
C59A
1K 1W
R51A
300 F
R67A
47K
R64A
50V/10u
C58A
0.01u
C52A
ZNR52A
6.8K
R55A
J52A
NC
100K F
R65A
15K
R56A
+15V
NC
R78A
D3A
12
ZNR53A
DG
DG
DG
TP100A
TP278
0
R265
0
R266
TP999
TP998
FG
D56A
Vz33v
1
2
SCREW
W202
XSB3+6VW
SCREW
W201
XSB3+6VW
BELL[0]
RA
TA
EST[0-7],DTL[0-7],DTH[0-7]
DIAG[1]
BELL[1]
BELL[2]
D2A
D1A
DR[0-7],DTMFR[0-7]
DTH[1]
DTL[1]
DTMFR[1]
TD
TC
D2B
RC
D2C
RB
TB
D1B
D1C
D1D
RD
D2D
DTH[2]
DTL[2]
DIAG[2]
DTMFR[2]
DIAG[3]
VOUT[3]
DTL[3]
DTH[3]
DTMFR[3]
BELL[3]
DR[2]
DIAG_T
DIAG_R
DR[0]
DR[1]
DR[3]
VOUT[2]
DTMFR[0]
VOUT[1]
EST[1]
HOOK[1]
EST[0]
HOOK[0]
EST[2]
HOOK[2]
HOOK[3]
EST[3]
DIAG[0]
DTH[0]
DTL[0]
VOUT[0]
BELL
BELL
BELL
BELL
VREF_C1
VREF_C1
VREF_C1
VREF_C1
b
m
C
B
SAME AS A
D
SAME AS A
m
SAME AS A
b
A
b
m
m
b
b
m
b
m
(1)
(2)
(11)
~
(10)
(12)
KX-TDA0173 SCHEMATIC DIAGRAM NO.3
5V
0
2.5V
2.5V
AG
D57A
1
Vz5.6v
16
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
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