Panasonic KX-TDA0177XJ / KX-TDA0177X (serv.man2) Service Manual ▷ View online
37
KX-TDA0177XJ / KX-TDA0177X
2/4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
KX-TDA0177XJ/KX-TDA0177X CSLC16 CARD SCHEMATIC DIAGRAM No.1 (2/4)
(p)
(q)
(s)
(u)
(y)
(A)
(C)
(E)
(G)
(J)
(r)
(t)
(v)
(w)
(x)
(z)
(B)
(D)
(F)
(H)
(K)
+40V
R808
47K
R806
100
Q801
E
C
B
R810
47K
Q805
E
C
B
R802
680
R804
680
R800
150
R801
150
C800
250V/0.1
C801
250V/0.1
+15V
C813
50V/0.1
C814
50V/470P
C815
50V/0.1
C816
50V/0.1
R812
10K
R816
10K
R814
1M
+30V
R818
7.5K
R820
47K
IC11
5
6
7
IC11
10
9
8
R822
390KF
IC11
1
2
3
4
11
R824
20KF
R826
180KF
R807
100
R813
10K
R817
10K
IC12
1
2
3
4
11
IC12
5
6
7
R819
7.5K
R827
180KF
IC12
10
9
8
R809
47K
Q807
E
C
B
R803
680
R815
1M
R823
390KF
R825
20KF
R811
47K
R821
47K
R805
680
Q803
E
C
B
+30V
IC12
12
13
14
D808
12
T800
1
2
4
5
6
7
8
9
10
D806
1
2
+3.3V
+3.3V
C818
50V/0.1
IC11
12
13
14
R848
100
R849
100
BELL1
BELL0
PF_RLY
P.G
DG
P.G
DG
P.G
DG
P.G
DG
R843
1.8
Q800
E
C
B
Q802
E
C
B
25V/0.082 C806
25V/0.082
C807
16V/0.047
C812
25V/0.082
C804
50V/0.1
C802
25V/0.082
C805
50V/0.1
C803
50V/0.1
C808
250V/10
C809
50V/100
C817
250V/10
C811
24V
D805
30KF
R830
1K
R833
1.2M
R832
4.7K
R845
22K
R842
22K
R850
4.7K
R828
28.7KF
R829
10K
R837
22K
R834
2.2K
R840
47K
R836
750F
R831
R831
12K
R847
22
R841
1K
R846
22
R844
PC804
1
2
3
4
PC800
1
2
3
4
D803
15V
D801 15V
D800 15V
D802
15V
U800
1
6
2
U800
4
3
5
DG
IC801
1
COMP
2
FB
3
ISENS
4
RT/CT
5
GND
6
OUT
7
VCC
8
VREF
PC803
1
2
4
TP800
TP835
TP865
TP823
TP809
TP836
TP822
TP872
TP827
TP802
TP871
TP847
TP850
TP829
TP811
TP833
TP831
TP861
TP858
TP874
TP837
TP818
TP860
TP805
TP824
TP826
TP841
TP853
TP801
TP804
TP819
TP856
TP817
TP812
TP868
TP862
TP863
TP816
TP808
TP820
TP852
TP859
TP855
TP839
TP842
TP821
TP807
TP828
TP814
TP873
TP815
TP854
TP857
TP813
TP846
TP867
TP825
TP851
TP810
DG
+3.3V
Q804
E
C
B
Q806
E
C
B
RA4
10K
1
2
3
4
5
6
7
8
6
7
8
RA1
10K
10K
1
2
3
4
5
6
7
8
6
7
8
RA3
10K
1
2
3
4
5
6
7
8
6
7
8
RA2
10K
1
2
3
4
5
6
7
8
6
7
8
+160V
-100V
BELL0
BELL1
R851
47K
R852
47K
R853
47K
R854
47K
TP885
TP882
R855
750F
TP881
TP886
TP889
J801
0
J802
0
J803
0
J804
0
TP883
TP884
TP887
TP888
+3.3V
100k
R91
100k
R18
TP68
10V/0.1
C42
50V/0.1
C8
TP8
DTMFR[0-7]
+3.3V
EST[0-7]
DG
50V/0.1
C28
C80
10V/1
TP46
C76
10V/1
100k
R37
DG
DG
TP90
IC6
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd
19
OSC0
20
OSCI
21
CLKSEL
22
nREST
23
10V/0.1
C17
100k
R72
DTMFR[8-15]
TP43
DG
CLK
IC2
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd
19
OSC0
20
OSCI
21
CLKSEL
22
nREST
23
TP88
TP22
TP54
IC800
4
Vref
1
A1
3
3
C
A2
2
A5
5
A6
6
TP838
Q810
S
D
G
TP849
TOE[5]
TOE[4]
TOE[3]
TOE[2]
TOE[7]
TOE[0]
TOE[1]
TOE[6]
CLK
DTMFR[15]
DTMFR[7]
F
E
H
G
45
6
3
2
1
4
5
5
7
8
10
6
9
38
KX-TDA0177XJ / KX-TDA0177X
(g)
(i)
(k)
(n)
(f)
(h)
(j)
(m)
3/4
KX-TDA0177XJ/KX-TDA0177X CSLC16 CARD SCHEMATIC DIAGRAM No.1 (3/4)
(a)
(b)
(c)
(d)
(e)
(17)
(19)
(21)
(18)
(20)
+5V
+3.3V
nRST
R119
150
DG
LED1
12
34
DG
R120
150
+3.3V
J13 0
P.G
DG
P.G
DG
P.G
DG
P.G
DG
P.G
DG
R132
10K
P.G
DG
DG
J6
NC
IC9
M/R
1
SUB
2
GND
3
Vout
4
4
Vcc
5
L35
L36
J5
NC
DG
FH
CLK
DHW
UHW
DG
C91
5
0V/3300P
D[0-7]
CN1
A1
+15VPTA1
B1
+15VPTB1
A2
+40V
B2
+15V
A3
POWER_GNDA3
B3
POWER_GNDB3
A4
EC_CLK
B4
EC_nSTOP
GNDA5
A5
B5
GNDB5
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
GNDA10
A10
B10
GNDB10
EC_AD[0]
A11
B11
EC_AD[1]
EC_AD[2]
A12
B12
EC_AD[3]
EC_AD[4]
A13
B13
EC_AD[5]
GNDA14
A14
B14
GNDB14
EC_AD[6]
A15
B15
EC_AD[7]
EC_AD[8]
A16
B16
EC_AD[9]
EC_AD[10]
A17
B17
EC_AD[11]
GNDA18
A18
B18
ReservedB18
EC_AD[12]
A19
B19
EC_AD[13]
A20
EC_AD[14]
B20
EC_AD[15]
A21
EC_nINT
B21
EC_nCDET
A22
GNDA22
B22
ReservedB22
50V/0.1
C52
C62
10V/0.1
50V/0.1
C65
50V/0.1
C63
50V/0.1
C56
25V/68
C64
25V/150
C66
6.3V/330
C60
0.33A/220u
L7
L10
150u
H/0.79A
D12
D14
J8
0
J12
0
J9
0
J7
0
J10
0
J11
0
22
R155
56
R134
56
R140
TP177
TP227
TP215
TP218
TP146
TP202
TP221
TP139
TP207
TP148
TP265
TP229
TP223
TP140
TP203
TP166
TP208
TP156
TP309
TP149
TP142
TP168
TP214
TP188
TP154
TP141
TP182
TP313
TP189
TP195
TP212
TP266
TP175
TP158
TP213
TP225
TP226
TP231
TP263
TP137
TP206
TP308
TP228
TP145
TP138
TP153
TP232
TP205
TP134
TP97
TP184
TP311
TP162
TP187
TP219
TP176
TP173
TP312
TP204
TP216
TP193
TP211
TP222
TP178
TP264
TP143
TP152
TP224
TP185
TP136
TP96
TP144
TP190
TP209
TP220
TP210
TP196
TP230
TP151
TP170
TP181
TP217
TP186
TP147
TP199
TP310
TP201
TP171
D20
7.5V
D21
5.1V
+5V
220
R160
C73
10V/0.1
C82
10V/0.1
nIRQ1
TP197
nCS2
nPOW_RST
A[0-19]
nBREQ
nWAIT
+3.3V
nWR
nRD
nCS1
nBACK
TP200
RA11
10K
1
2
3
4
5
6
7
8
6
7
8
RA14
100
1
2
3
4
2
3
4
5
6
7
8
RA15
47
1
2
3
4
5
6
7
8
RA12
1K
2
1
3
4
1
3
4
5
6
8
7
RA8
10K
1
2
3
4
5
6
7
8
6
7
8
RA17
47
1
2
3
4
5
6
7
8
+5V
+3.3V
+15V
+3.3V
+15V
+40V
C99
50V/0.01
DG
C100
NC
DG
+40V
P.G
DG
DG
J51
0
J52
0
0
L5
0
L8
L101
220
RA13
10K
1
2
3
4
2
3
4
5
6
7
8
+3.3V
TP135
RA48
NC
1
2
3
4
2
3
4
5
6
7
8
+3.3V
RA47
NC
4
3
2
1
3
2
1
8
7
6
5
+3.3V
R180
10K
J42
NC
LA[12]
39
LA[11]
40
LA[10]
41
LA[9]
42
LA[8]
43
LA[7]
45
LA[6]
46
LA[5]
47
LA[4]
48
LA[3]
49
LA[2]
50
LA[1]
51
LA[0]
52
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
P1[0]
151
P1[1]
152
P1[2]
153
P1[3]
154
P1[4]
155
P1[5]
156
P1[6]
157
P1[7]
158
7
IRQ[1]
8 IRQ[0]
9 CS[1]
9 CS[1]
10
CS[0]
12
LD[7]
13
LD[6]
14
LD[5]
15
LD[4]
16
LD[3]
17
LD[2]
18
LD[1]
19
LD[0]
22
ALE
23
CS_DMA
24
CS_SAM
25
CSI
26
RD
27
WR
28
L_NRST
30
WAIT
31
RESET
32
BREQ
33
BACK
34
BGAK
37
SBREQ
38
SBACK
94
EC_NRST
95
EC_IDSEL
96
EC_BE[1]
97
EC_BE[0]
99
EC_PAR
100
EC_FRAME
101
EC_PERR
102
EC_TRDY
103
EC_STOP
105
EC_CLK
142
P0[0]
143
P0[1]
144
P0[2]
145
P0[3]
146
P0[4]
147
P0[5]
148
P0[6]
149
P0[7]
nCS_CID
R174
100
L103
220
TP320
HWCLK
Q12
S
D
G
Q13
S
D
G
0
R135
C51
10V/220
0
R136
J25
0
J24
0
R139
10K
F
R143
10K
F
R141
15K
R142
26.7K F
R137
15K
C67
NC
50V/3300P
C57
R138
45.3K F
TP183
TP273
IC7
1
CE/CSS
2
VSS
3
FB
4
EXT/
5
VIN
IC10
1
CE/CSS
2
VSS
3
FB
4
EXT/
5
VIN
C53
NC
TP180
IP2
1A
IP1
5A
D17
R144
22k
TP330
TP331
R131
22k
TP194
TP198
D16
J3
0
TP332
TP343
TH1
R194
47K
Q16
4
3
5
C69
0.47/50V
R193
47K
D23
TP347
TP340
R195
10K
R196 33K
R197
10K
R191
1K
R192
2.2K
1/8W
TP346
TP344
C68
N
C
Q16
1
6
2
TP342
Q15
S
D
G
D22
1
2
3
P.G
DG
TP348
TP350
TP349
TP341
R190
3
TP360
TP361
TP362
TP363
TP364
TP368
DG
C101
50V/0.01
TP351
EC_AD[3]
EC_AD[5]
EC_AD[0]
EC_AD[4]
EC_AD[2]
EC_INT
EC_AD[1]
EC_DET
EC_AD[0-15]
EC_AD[7]
EC_AD[8]
EC_AD[9]
EC_AD[10]
EC_AD[11]
EC_AD[6]
EC_AD[12]
EC_AD[13]
EC_AD[14]
EC_AD[15]
A[0]
A[1]
A[2]
A[3]
A[4]
D[4]
D[3]
D[2]
D[1]
D[0]
D[3]
D[2]
D[1]
D[0]
D[5]
D[6]
D[7]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
nRD nCS1
nWR
nWAIT
GREEN
RED
D
C
B
A
8
7
11
10
9
11
12
14
13
15
39
KX-TDA0177XJ / KX-TDA0177X
(q)
(s)
(p)
(r)
(t)
(u)
(y)
(A)
(C)
(E)
(G)
(J)
(w)
(v)
(x)
(z)
(B)
(D)
(F)
(H)
(K)
(17)
4/4
KX-TDA0177XJ/KX-TDA0177X CSLC16 CARD SCHEMATIC DIAGRAM No.1 (4/4)
(19)
(21)
(18)
(20)
+3.3V
R121
10K
DG
R154
22
R150
22
+3.3V
DG
DG
C55
50V/0.01
C54
10V/1
DIAG_R
DIAG_T
+3.3V
DG
+3.3V
DG
R149
22
+3.3V
AG
+3.3V
DG
DG
P.G
DG
DOUT
DCLK
C_CS[0]
C_CS[1]
C_CS[2]
C_CS[3]
DIN
X1
16.384MHz
R171
100
R172
100
DG
C58
10V/1
C59
50V/0.01
C83
50V/0.01
C84
50V/0.01
C85
50V/0.01
C86
50V/0.01
C87
50V/0.01
C88
50V/0.01
C89
50V/0.01
C90
50V/0.01
C96
50V/0.01
C97
50V/0.01
C93
50V/0.01
C92
50V/0.01
C94
50V/0.01
C98
50V/0.01
C95
50V/0.01
+30V
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
GNDA27
B27
ReservedB27
A28
CT_NETRE
B28
CT_C8
A29
CT_FRAME
B29
nLOS
A30
GNDA30
B30
GNDB30
A31
ReservedA31
B31
ReservedB31
A32
ReservedA32
B32
ReservedB32
A33
ReservedA33
B33
ReservedB33
A34
TXD2
B34
RXD2
A35
ReservedA35
B35
ReservedB35
A36
ReservedA36
B36
ReservedB36
A37
ReservedA37
B37
ReservedB37
A38
+30VA38
B38
+30VB38
A39
RINGER
B39
RING_SYNC
A40
nHALT
B40
RING_SIN
A41
GNDA41
B41
(+3.3V)
A42
(DC_ALM)
B42
(AC_ALM)
A43
(nEXTPOW[0])
B43
(nEXTPOW[1])
A44
DIAG_R
B44
DIAG_T
A45
GNDA45
B45
RINGER_AC
50V/18P
C50
50V/18P
C49
C71
50V/0.1
50V/10
C70
D15
J14
1K
R118
220
R122
1M
R109
22K
R161
22
R152
22
R153
FIL2
1
2
3
TP120
TP294
TP284
TP179
TP257
TP122
TP276
TP303
TP155
TP244
TP127
TP290
TP115
TP240
TP298
TP109
TP267
TP247
TP98
TP249
TP129
TP126
TP253
TP169
TP292
TP234
TP260
TP295
TP277
TP160
TP269
TP293
TP237
TP280
TP304
TP256
TP131
TP262
TP281
TP103
TP272
TP302
TP125
TP104
TP251
TP239
TP299
TP119
TP167
TP285
TP282
TP300
TP111
TP241
TP296
TP243
TP271
TP301
TP259
TP275
TP236
TP291
TP102
TP121
TP164
TP289
TP254
TP100
TP252
TP163
TP255
TP192
TP123
TP172
TP235
TP133
TP278
TP117
TP105
TP150
TP107
TP157
TP279
TP101
TP130
TP270
TP245
TP261
TP108
TP238
TP242
TP116
TP132
TP250
TP268
TP114
TP191
TP106
TP112
TP287
TP288
TP128
TP161
TP174
TP248
TP165
TP297
TP118
TP283
TP113
TP286
TP246
TP159
TP124
TP110
IC5
17
DG
IC5
8
4
IC5
62
IC5
3
5
FIL4
1
2
3
+3.3V
C48
10V/0.1
TP99
+3.3V
DG
nHALT
BELL_SYNC
LA106
220
1
2
3
4
5
6
7
8
LA105
220
1
2
3
4
5
6
7
8
LA104
220
1
2
3
4
5
6
7
8
LA103
220
1
2
3
4
5
6
7
8
LA102
220
1
2
3
4
5
6
7
8
LA101
220
1
2
3
4
5
6
7
8
R162
1k
RA10
10K
1
2
3
4
5
6
7
8
6
7
8
RA9
10K
1
2
3
4
5
6
7
8
6
7
8
RA19
10K
1
2
3
4
5
6
7
8
RA26
10K
1
2
3
4
5
6
7
8
RA21
47
1
2
3
4
5
6
7
8
RA20
47
1
2
3
4
5
6
7
8
RA24
47
1
2
3
4
5
6
7
8
RA7
10K
10K
1
2
3
4
5
6
7
8
6
7
8
RA27
10K
1
2
3
4
5
6
7
8
RA25
47
1
2
3
4
5
6
7
8
RA23
47
1
2
3
4
5
6
7
8
RA22
47
1
2
3
4
5
6
7
8
J18
0
+30V
16.384M
AG
DG
J20
0
L102
220
J15
J16
IC14
eSAMSON
PLLGND 3
PLLCLK 4
VDD5 5
TCK
107
TDI
108
TDO
109
TRST
110
TMS
111
P2[0]
161
P2[1]
162
P2[2]
163
P2[3]
164
P2[4]
165
P2[5]
166
P2[6]
167
P2[7]
168
P3[0]
170
P3[1]
171
P3[2]
172
P3[3]
173
P3[4]
174
P3[5]
175
P3[6]
176
P3[7]
177
1
GND1
2
VDD2
6
PLLAT1
11
GND11
20
VDD20
21
GND21
29
GND29
35
GND35
36
VDD36
44
GND44
53
VDD53
54
RINGER
55
CT_FRAME_A
56
CT_C8_A
57
CT_NETREF
58
GND58
59
CT_D[7]
60
CT_D[6]
61
CT_D[5]
62
CT_D[4]
63
VDD63
64
GND64
65
CT_D[3]
66
CT_D[2]
67
CT_D[1]
68
CT_D[0]
69
GND69
70
EC_DET
71
EC_INT
72
EC_AD[15]
73
EC_AD[14]
74
EC_AD[13]
75
EC_AD[12]
76
GND76
77
VDD77
78
EC_AD[11]
79
EC_AD[10]
80
EC_AD[9]
81
EC_AD[8]
82
GND82
83
EC_AD[7]
84
EC_AD[6]
85
EC_AD[5]
86
EC_AD[4]
87
VDD87
88
GND88
89
EC_AD[3]
90
EC_AD[2]
91
EC_AD[1]
92
EC_AD[0]
93
GND93
98
GND98
104
GND104
106
VDD106
112
GND112
113
MODE[5]
114
MODE[4]
115
MODE[3]
116
MODE[2]
117
MODE[1]
118
MODE[0]
119
GND119
120
VDD120
131
GND131
132
VDD132
133
C_CS[3]
134
C_CS[2]
135
C_CS[1]
136
C_CS[0]
137
DCLK
138
DOUT
139
DIN
140
CP[0]
141
GND141
150
GND150
159
VDD159
160
GND160
169
TEST0
178
VDD178
179
GND179
180
AVDD180
181
VREFPLUS
182
VREFMINUS
183
AX[0]
184
AX[1]
185
AX[2]
186
AX[3]
187
AX[4]
188
AX[5]
189
AX[6]
190
AX[7]
191
AVDD191
192
P4[0]
193
P4[1]
194
P4[2]
195
P4[3]
196
P4[4]
197
P4[5]
198
P4[6]
199
P4[7]
200
TEST1
201
P5[0]
202
P5[1]
203
P5[2]
204
P5[3]
205
P5[4]
206
P5[5]
207
P5[6]
208
P5[7]
R173
100
CP0
J17
0
J23
NC
J22
NC
J21
NC
J19
NC
TP365
TP366
TP367
EC_AD[14]
EC_AD[13]
CT_D[5]
EC_AD[9]
CT_D[1]
CT_D[7]
EC_AD[8]
EC_AD[11]
EC_AD[2]
EC_AD[15]
EC_AD[10]
EC_AD[6] EC_AD[7]
EC_AD[5]
CT_D[0]
EC_AD[3]
CT_D[3]
EC_AD[12]
EC_AD[4]
EC_AD[1]
EC_AD[0]
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]
F
E
H
G
8
7
11
10
9
16
17
18
40
KX-TDA0177XJ / KX-TDA0177X
10.3. No.2
1/4
(1)
(2)
KX-TDA0177XJ/KX-TDA0177X CSLC16 CARD SCHEMATIC DIAGRAM No.2 (1/4)
(3)
+5V
DG
16V/0.1
C208
16V/0.22
C220
AG
16V/0.1
1
C206
CN201
DIAG_R
DIAG_T
CN201
1
CN200
26
PF_RLY
D204
1
2
DG
2
CN200
27
RL200A
3
2
4
RL200A
6
7
5
16V/0.1
C207
C205
16V/0.1
AG
RL200B
3
2
4
CN201
CN201
RL200B
6
7
5
DG
+5V
C217
10V/1
R228
100K
C221
50V/0.1
+5V
+15V
+30V
D203A
Q201A
E
C
B
220
R206A
DG
D202A
1
2
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
+15V
D203B
RL202B
6
7
5
ZNR20B
47V
1K 1W
R203B
ZNR21B
22V
RL202B
3
2
4
FG
33K
R202B
C200B
50V/10u
R236
56
C202A
25V/4R7
C202B
25V/4R7
C201A
50V/10u
C201B
50V/10u
+30V
+5V
AG
DG
C209
10V/1
ZNR23A
47V
ZNR23B
47V
C204A
25V/0.1
C203A
50V/0.1
C204B
25V/0.1
C203B
50V/0.1
C218
16V/0.1
C210
10V/1
50V/10u
C200A
+15V
+15V
TP409B
TP415B
TP471
TP427
TP411B
TP406A
TP431
TP402B
TP426
TP410A
TP430
TP414A
TP433
TP420A
TP418A
TP416B
TP463
TP464
TP415A
TP425
TP437
TP460
TP422
TP434
TP409A
TP410B
TP428
TP417B
TP436
TP417A
TP403A
TP403B
TP414B
TP402A
TP408B
TP429
TP435
TP416A
TP461
TP405A
TP408A
TP432
TP411A
+5V
+5V
Q202
2.2K:2.2K
E
C
B
+5V
IC203
1
2
3
4
8
RA31
10K
1
2
3
4
5
6
7
8
6
7
8
RA32
10K
1
2
3
4
5
6
7
8
6
7
8
AG
AG
AG
AG
AG
IC201
GNDA1
50
VDDA34
61
VDDD
24
VDDA12
52
GNDA2
54
39
SB1_0
38
SB1_1
SI1_1
35
36
SI1_0
SB1_2
37
45
SB2_1
SI2_1
48
47
SI2_0
SB2_2
46
VDDREF
57
40
SO1_1
S01_0
41
VREF
56
GNDA3
59
GNDA4
63
GNDD
21
Vout1
51
Vin1
49
C280A
NC
C280B
NC
IC200A
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
IC200B
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
D205A
Vz5.6V
AG
D205B
Vz5.6V
AG
FG
TP420
+-
+-
RL200D
18
18
+-
18
+-
18
RL200A
+-
RL201A
18
RL200B
+
-
RL202B
1
8
RL200C
+
-
RL202A
1
8
EST[0]
BELL[0]
DIAG[0]
RA
TA
EST[1]
VREF_C1
VOUT[0]
DTMFR[0]
HOOK[0]
HOOK[1]
VREF_C1
TB
RB
BELL[1]
DTMFR[1]
VREF_C1
DTMFR[0]
BELL[0]
DIAG[0]
BELL0
BELL0
HOOK[0]
VOUT[0]
HOOK[1]
VOUT[1]
b
b
m
m
m
m
b
b
B
b
m
m
b
m
b
b
m
b
m
b
m
A
D
C
B
A
45
6
3
2
1
19
20
21
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