Panasonic KX-TDA6181X Service Manual ▷ View online
2/4
KX-TDA6181X ELCOT16 CARD SCHEMATIC DIAGRAM No.1 (2/4)
(2)(3)
(4) (6)
(5) (7)
(1)
(r)
(t)
(t)
(v)
(x)
(z)
(z)
(B)
(D)
(F)
(H)
(K)
(M)
(P)
(R)
(T)
(V)
(X)
(Z)
(ab)
(s)
(u)
(u)
(w)
(y)
(A)
(A)
(C)
(E)
(G)
(J)
(L)
(N)
(Q)
(S)
(U)
(W)
(Y)
(aa)
(ac)
(ad)
(af)
(af)
(ae)
(ag)
(ag)
J53
0
3
5
TP10
IC1
ON/OFF 1
Vss 2
Vout 3
EXT
4
Vin
5
6.3V/330
C12
R1
56
OPT[1]
5D
RA12
10K
1
2
3
4
5
6
7
8
D1
TP821
25V/68
C4
10V/22
C13
+3.3V
R3
150
DG
J8
0
R2
56
TP12
TP5
DG
GND-1
J52
NC
Q2
S
D
G
L31
D2
J6
0
TP7
J55
0
TP64
J7
0
TP1
J50
NC
+3.3V
0.45A/220u
L2
RA13
10K
1
2
3
4
5
6
7
8
+15V
+3.3V
U1
1
2
3
4
5
L32
C8
0.1
Q3
E
C
B
J54
0
TP6
RA9
10K
1
2
3
4
5
6
7
8
+3.3V
Q1
S
D
G
OPT[0]
4D
25V/150
C5
TP9
+5V
TP820
IP2
125V/0.75A
R4
150
+3.3V
IC5
C9
0.1
J51
NC
LED1
43
1
2
3
4
TP8
TP11
+3.3V
RA15
10K
1
2
3
4
5
6
7
8
6
7
8
TP4
DG
RA10
10K
1
2
3
4
5
6
7
8
R37 10K
0.01
C7
TP3
+3.3V
0.01
C6
IC2
ON/OFF 1
Vss 2
Vout 3
EXT
4
Vin
5
IP3
125V/0.75A
L1
0.8A/68u
R32 10K
DG
TP2
P.G
P.G
P.G
P.G
P.G
P.G
P.G
P.G
F
E
H
G
6
2
3
4
5
DT_OE[2]
DT_OE[5]
DT_OE[3]
DT_OE[4]
DT_OE[7]
DT_OE[0-7]
DT_OE[6]
DT_OE[1]
DT_OE[0]
GREEN
RED
4
2
1
3
+3.3V DC/DC circuit
+5V DC/DC circuit
57
KX-
TDA6181X
3/4
KX-TDA6181X ELCOT16 CARD SCHEMATIC DIAGRAM No.1 (3/4)
(a)
(b)
(c)
(d)
(f)
(f)
(h)
(j)
(j)
(m)
(p)
(8)(9)(10)
(11)
(e)
(g)
(i)
(k)
(k)
(n)
(q)
(q)
TP271
DHW
2:12G;2:6G;3:F7;3:K7
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
RA18
100
1
2
3
4
5
6
7
8
TP273
nWR
4B;5B;4:11B
+15V
TP22
CLK
4B;5B;2:12G;2:6G;3:F7;3:K7
TP131
nWAIT
4:11B
nCS_CID[0]
4B
D[0-7]
4:11B
TP1104
TP113
TP126
nCS1
4:11C
nPOW_RST
4:11B
+5V
A[0-12]
4:11A;4B;5B
nRD
4B;5B;4:11B
TP132
TP104
TP101
TP114
L101
220
C69
0.1
TP17
TP118
TP274
RA28
47
1
2
3
4
5
6
7
8
6
7
8
220
R88
TP270
TP108
TP18
TP272
TP103
D4
7.5V
TP110
TP99
RA17
10K
1
2
3
4
5
6
7
8
nCS_CID[1]
5B
nBREQ
4:11B
+3.3V
TP129
FH
2:12G;2:6G;3:F7;3:K7
nCS2
4:11B
TP21
TP123
TP106
TP813
TP121
22
R82
RA30
1k
1
2
3
4
5
6
7
8
6
7
8
IP1
125V/5A
TP124
+3.3V
+15V
nIRQ1
4:11B
TP128
Q6
S
D
G
+5V
TP811
UHW
2:12G;2:6G;3:F7;3:K8
TP111
nBACK
4:11B
TP133
IC4
M/R
1
SUB
2
GND
3
Vout
4
Vcc
5
D3
5.1V
TP102
TP119
TP812
TP19
TP16
TP130
TP112
DG
TP23
TP109
TP275
TP20
TP100
TP127
TP105
TP115
RA29
47
1
2
3
4
5
6
7
8
6
7
8
TP1102
C18
0.1
nRST
4C;5C;2:12H;2:6H;3:F8;3:K8;4:11B
DG
DG
C70
0.1
25V 0.01
C23
+3.3V
R132
1K
J9
0
J10
NC
RA16
10K
1
2
3
4
5
6
7
8
6
7
8
+3.3V
+3.3V
+3.3V
TP98
TP96
TP95
DG
P.G
P.G
P.G
P.G
P.G
J56
0
J57
0
RA31
NC
1
2
3
4
5
6
7
8
RA32
NC
1
2
3
4
5
6
7
8
+3.3V
+3.3V
+3.3V
R95
1K
+3.3V
+3.3V
R96
1K
IRQ[1]
7
IRQ[0]
8
CS[1]
9
CS[0]
10
LD[6]
13
LD[5]
14
LD[4]
15
LD[3]
16
LD[2]
17
LD[1]
18
LD[0]
19
ALE
22
CS_DMA
23
CS_SAM
24
CSI
25
RD
26
WR
27
L_NRST
28
WAIT
30
RESET
31
BREQ
32
BACK
33
BGAK
34
SBREQ
37
SBACK
38
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
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
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
D
C
B
A
7
8
11
10
9
EC_BE[1]
A[5]
A[4]
EC_INT
EC_AD[13]
A[3]
D[7]
EC_AD[4]
A[0]
A[12]
EC_AD[9]
nWAIT
EC_AD[7]
D[4]
EC_STOP
EC_IDSEL
EC_AD[11]
FH
EC_TRDY_A
EC_TRDY_A
D[1]
EC_AD[5]
PEC_TRDY
EC_AD[2]
EC_nRST
EC_AD[6]
D[0]
EC_PAR
UHW
EC_FRAME
EC_PERR
D[6]
EC_AD[12]
EC_PERR_A
EC_PERR_A
EC_AD[1]
A[11]
A[2]
D[3]
EC_DET
A[10]
EC_AD[10]
D[5]
nBREQ
EC_AD[3]
A[9]
D[2]
EC_AD[15]
nBACK
A[8]
EC_BE[0]
A[7]
EC_CLK
A[1]
EC_AD[0]
EC_STOP_A
EC_STOP_A
A[6]
EC_AD[8]
EC_AD[14]
L_NRST
EC_CLK_A
EC_FRAME_A
EC_FRAME_A
EC_PAR_A
EC_PAR_A
EC_BE_A[0]
EC_BE_A[0]
EC_BE_A[1]
EC_BE_A[1]
EC_IDSEL_A
EC_IDSEL_A
EC_nRST_A
EC_nRST_A
nPOW_RST
nPOW_RST
nRST
nRST
CLK DHW
B22
ReservedB22
TP24
TP26
TP27
TP27
C57
3300P
TP25
DG
P1[0]
151
P1[1]
152
P1[2]
153
P1[3]
154
5
58
KX-
TDA6181X
4/4
KX-TDA6181X ELCOT16 CARD SCHEMATIC DIAGRAM No.1 (4/4)
(r)
(t)
(t)
(v)
(x)
(z)
(z)
(B)
(D)
(F)
(H)
(K)
(M)
(P)
(R)
(T)
(V)
(X)
(Z)
(ab)
(ad)
(af)
(af)
(s)
(u)
(u)
(w)
(y)
(A)
(A)
(C)
(E)
(G)
(J)
(L)
(N)
(Q)
(S)
(U)
(W)
(Y)
(aa)
(ac)
(ae)
(ag)
(ag)
TP823
TP45
LA1 220
4
3
2
1
8
7
6
5
7
6
5
TP155
TP57
TP145
TP78
+3.3V
IC5
1
7
6
2
R76
47
TP43
2.7K
R38
TP827
TP156
RA27 10K
1
2
3
4
5
6
7
8
6
7
8
+3.3V
TP47
22
R90
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
C10
0.1
TP817
DG
J49
0
TP54
TP141
TP69
R39
10K
LA5 220
4
3
2
1
8
7
6
5
7
6
5
RA21
47
4
3
2
1
8
7
6
5
7
6
5
TP59
DG
C_CS[1]
2:12H
TP55
TP279
TP40
FG2
TP41
TP143
TP149
J43
NC
TP81
C_CS[0]
2:6H
TP33
TP151
IC5
8
4
LA4 220
4
3
2
1
8
7
6
5
7
6
5
TP34
J13
0
TP146
LA2 220
4
3
2
1
8
7
6
5
7
6
5
TP2205
TP2208
FIL1
1
2
3
RA23
47
4
3
2
1
8
7
6
5
7
6
5
TP52
TP75
J45
0
TP62
TP158
TP56
J16
0
C16
1u
GND-2
DG
TP148
TP2206
FIL2
1
2
3
TP35
TP280
TP53
DOUT
2:12H;2:6H;3:F8;3:K8
DIAG_R
2:2B
RA24
47
4
3
2
1
8
7
6
5
7
6
5
X1
16.384MHz
TP814
TP32
TP60
TP1101
DG
TP147
DG
+3.3V
TP815
22
R89
TP83
TP61
TP160
DIAG_T
2:2B
TP824
TP42
DIN
2:12H;2:6H;3:F8;3:K8
RA25
47
4
3
2
1
8
7
6
5
7
6
5
J14
0
DG
IC5
J15
0
TP139
TP39
J48
0
TP816
TP157
+3.3V
TP162
TP161
TP51
DCLK
2:12H;2:6H;3:F8;3:K8
TP152
J44
NC
TP50
TP818
TP63
J42
0
TP135
TP825
R111
100
TP71
RA22
47
4
3
2
1
8
7
6
5
7
6
5
TP13
TP44
LA3 220
4
3
2
1
8
7
6
5
7
6
5
J47
0
TP153
C_CS[3]
3:K8
TP154
DG
TP165
AG
TP15
TP48
TP28
18P
C14
RA26
47
4
3
2
1
8
7
6
5
7
6
5
+3.3V
J11
N.C
TP37
TP136
TP29
TP89
J46
NC
C_CS[2]
3:F8
J17
0
TP150
1M
R14
TP31
TP58
DG
TP80
TP142
LA6 220
4
3
2
1
8
7
6
5
7
6
5
TP73
TP36
TP38
TP140
J12
N.C
TP14
TP144
220
R40
TP49
TP134
TP2207
R75
47
R112
100
TP30
J40
0
TP46
TP159
TP138
TP137
18P
C11
DG
RA19
10K
1
2
3
4
5
6
7
8
+3.3V
RA20
10K
1
2
3
4
5
6
7
8
C17
0.01u
C21
0.01u
C53
0.01u
C54
0.01u
C55
0.01u
C56
0.01u
C83
0.01u
C81
0.01u
C82
0.01u
C80
0.01u
C84
0.01u
L34
220
DG
C20
1u
+3.3V
DG
+3.3V
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
J41
0
DG
DG
16.384M
TP2203
TP2204
TP97
DG
J101
J102
J103
J102
J103
TP1103
nHALT
4:11B
R162
1k
R93 NC
R94 NC
+3.3V
IC3
RX[7]
190
AVDD180
180
PLLGND
3
PLLCLK
4
PLLVDD
5
GND11
11
VDD20
20
GND21
21
GND29
29
GND35
35
VDD36
36
GND44
44
VDD53
53
GND58
58
VDD63
63
GND64
64
GND69
69
GND76
76
VDD77
77
GND82
82
VDD87
87
GND88
88
GND93
93
GND98
98
GND104
104
VDD106
106
TCK
107
TDI
108
TDO
109
TRST
110
TMS
111
GND112
112
GND119
119
VDD120
120
GND131
131
VDD132
132
GND141
141
GND150
150
P1[4]
155
P1[5]
156
P1[6]
157
P1[7]
158
VDD159
159
GND160
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
GND179
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
VDD178
178
GND1
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
VDD2
2
VREFPLUS
181
VREFMINUS
182
AVDD191
191
RX[0]
183
RX[1]
184
RX[2]
185
RX[3]
186
RX[4]
187
RX[5]
188
RX[6]
189
PLLAT1
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
MODE[5]
113
MODE[4]
114
MODE[3]
115
MODE[2]
116
MODE[1]
117
MODE[0]
118
F
E
H
G
7
8
11
10
9
EC_INT
DIAG_R
EC_DET_A
CT_D[4]
CT_D[7]
DIAG_T
EC_AD[12]
CT_D[2]
CT_D[3]
CT_D[6]
EC_AD[14]
CT_D[3]
EC_AD[9]
EC_AD[0]
EC_AD[8]
EC_AD[4]
CT_D[6]
CT_D[0]
CT_D[5]
EC_AD[1]
EC_AD[7]
CT_C8
CT_D[4]
CT_D[1]
EC_AD[11]
EC_DET
EC_INT_A
CT_D[7]
EC_AD[6]
CT_D[5]
CT_D[1]
CT_D[2]
EC_AD[10]
EC_AD[2]
EC_AD[15]
EC_AD[5]
EC_AD[13]
CT_FRAME
CT_D[0]
EC_AD[3]
nHALT
nHALT_A
CT_C8_A
CT_FRAME_A
(8)(9)(10)
(11)
6
8
7
59
KX-
TDA6181X
16.2.
No.2
1/4
KX-TDA6181X ELCOT16 CARD SCHEMATIC DIAGRAM No.2 (1/4)
CN2
1
26
CN3
2
R[0]
1:2A
+15V
VH1
27
CN2
2
T[0]
1:2A
PAY[0]
1:2A
R[1]
1:2A
T[1]
1:2A
CN3
3
CN3
1
CN3
4
6.3V /0.22
C26
IC6
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
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
Vout1
51
Vin1
49
53
Vout2
Vin2
55
FG
SFG
+15V
VH2
IC8
5
6
7
VH1
VH1
+5V
VH2
16V/1
C32
DG
DT_STD[1]
1:3C
DT_STD[0]
1:3C
SA3
C71
6.3V/1
DG
AG
AG
AG
AG
AG
AG
AG
0.01uF/25V
C24
VH3
IC8
10
9
8
IC8
12
13
14
VH4
TP204
TP200
TP213
TP203
TP201
TP202
IC8
1
2
3
4
11
+5V
R92
56K
R91
56K
TP214
AG
16V/1
C31
VREF
12A;6A;3:F1;3:L1
VREF
12A;6A;3:F1;3:L1
C29
10V/0.1
C30
10V/0.1
C28
10V/0.1
C27
10V/0.1
C9A
50V/22P
R87A 91KF
R10A
510F
R12A
510F
R11A
100KF
DIAG_T
1:11H
RL1A
6
c
7
b
5
m
RL1A
3
c
2
b
4
m
DIAG_R
1:11H
L2A
L1A
R90A
22
R14A 150KF
R13A
510F
D8A
1
2
8
1
SA1A
3
1
2
R52A
68K
C7A
10V/0.1
R15A
56KF
C11A
10V/0.1
R17A 91KF
R89A
22
IC1A
5
6
7
R18A
100KF
C3A
50V/10
C4A
50V/10
50V/10
R81A
100
PC5A
1
2
3
4
R7A
8.2K
R6A
4.7K
R23A
10K
R80A
220
PC4A
1
4
2
3
D1A
R5A 39
ZNR1A
82V
C51A
6.3V/0.47
R53A
68K
PC1A
1
4
2
3
R51A
1.2K 1/10W
D3A
D4A
R2A
22K/1W
ZNR2A
NC
C2A
250V/1
R50A
22 1/8W
C1A
220P
TH1A
N.C
L4A
SFG
L3A
C5A
50V/22P
C10A
50V/22P
J7A
0
Q7A
E
C
B
TP26A
TP3A
TP32A
TP49A
TP38A
TP45A
TP11A
TP6A
TP42A
TP27A
TP9A
TP39A
TP37A
TP55A
TP44A
TP17A
TP23A
TP43A
TP15A
TP41A
TP34A
TP21A
TP1A
TP51A
TP19A
TP28A
TP4A
TP10A
TP29A
TP31A
TP2A
TP7A
TP24A
TP30A
TP35A
TP18A
TP47A
TP8A
TP25A
TP14A
TP36A
TP5A
T1A
2
4
1
3
J3A
N.C
J4A
N.C
J9A
0
J5A
0
J8A
N.C
IC1A
1
2
3
4
8
D2A
1
2
4
3
D5A
PL2A
4
3
2
1
PL1A
NC
4
3
2
1
RL1A
Q6A
E
C
B
TP48A
TP46A
RA1A
680
1
2
3
6
4
5
7
8
TP12A
TP22A
C50A
6.3V/0.47
TP40A
TP54A
VH2
AG
AG
PC2A
1
23
4
+5V
+5V
+5V
+5V
+5V
+15V
C8A
16V/10
+15V
FG
AG
AG
AG
AG
AG
AG
AG
D
C
B
A
6
2
3
4
5
1
REVDET[1]
CPCDET[0]
BELLI[0]
DIAL[0]
REVDET[0]
DIAG[0]
SHNT[0]
VOUT[1]
CPCDET[1]
DIAL[1]
SHNT[1]
SHNT[1]
DIAG[1]
REVDET[1]
DIAL[1]
BELLI[1]
CPCDET[1]
VOUT[0]
DT_STD[0]
DT_STD[1]
BELLI[1]
DIAG[0]
VIN[1]
BELLI[0]
VIN[0]
SHNT[0]
CPCDET[0]
DIAL[0]
DIAG[1]
A
B
SAME AS A
(1)
(2)
17
Vref Generating circuit
2w-4w circuit
Diag Control
CPC detect circuit
Generated Pulse
Surge
Protector
Protector
Bell,Reverse detect circuit
Surge
Protector
Protector
60
KX-
TDA6181X
Click on the first or last page to see other KX-TDA6181X service manuals if exist.