Read Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man10) Service Manual Supplement online
3
KX-TDA6178X/KX-TDA6178XJ
1 Schematic Diagram
Changed from Original Service Manual as section 10.2.-
1.1.
No.1
1
2
3
4
5
KX-TDA6178X/XJ No.1
+-
+-
+-
+-
+-
D
F
E
C
B
A
H
G
4
7
6
35
2
8
11
10
9
EC_AD[14]
EC_AD[13]
CT_D[5]
EC_AD[9]
CT_D[7]
EC_AD[8]
nIRQ1
EC_AD[11]
EC_AD[2]
EC_AD[15]
EC_AD[10]
EC_AD[6]
EC_INT
EC_AD[7]
EC_AD[5]
EC_AD[0-15]
EC_AD[3]
CT_D[3]
EC_AD[12]
EC_AD[4]
EC_AD[1]
EC_AD[0]
CT_D[1]
CT_D[6]
CT_D[4]
CT_D[2]
CT_D[0]
L_NRST
LED_R
LED_G
D[0-15]
A[7]
D[1]
A[4]
D[6]
D[4]
A[0]
A[1]
D[0]
D[2]
A[2]
D[7]
A[5]
A[8]
A[3]
A[9]
A[6]
D[3]
D[5]
CT_D[0]
EC_AD[0]
EC_AD[1]
EC_AD[2]
EC_AD[4]
EC_AD[3]
EC_AD[5]
EC_AD[6]
EC_AD[7]
EC_AD[8]
EC_AD[9]
EC_AD[10]
EC_AD[11]
EC_AD[12]
EC_AD[13]
EC_AD[14]
EC_AD[15]
CT_D[1]
CT_D[2]
CT_D[3]
CT_D[4]
CT_D[5]
CT_D[6]
CT_D[7]
A[10]
A[11]
A[12]
nBACK
nPOW_RST
nCS1
nCS2
nWR
nBREQ
nRD
TMS
TDI
D[12]
D[13]
D[14]
D[15]
D[8]
D[9]
D[10]
D[11]
D[4]
D[5]
D[7]
D[3]
D[2]
D[0]
D[1]
D[6]
A[4]
A[0]
A[1]
A[1]
A[3]
A[2]
nWAIT
nWAIT
A[6]
nRST
nRST
A[7]
TCK
A[5]
TDO
CONF_DONE
CONF_INTB
CONF_PROG
+3.3V
+3.3V
DG
+3.3V
+3.3V
DG
DG
DG
C34
50V/0.01
C33
10V/1.0
DIAG_R
DIAG_T
DG
+3.3V
DG
+3.3V
+3.3V
J17
0
Q11
E
C
B
DG
P.G
DG
DG
DG
DG
FH
CLK
DHW
UHW
X1
16.384MHz
DG
C35
10V/1.0
C36
50V/0.01
C37
50V/0.01
C38
50V/0.01
C39
50V/0.01
C40
50V/0.01
C41
50V/0.01
C42
50V/0.01
C43
50V/0.01
C44
50V/0.01
DG
C56
50V/3300p
C49
50V/0.01
C50
50V/0.01
C46
50V/0.01
C45
50V/0.01
C47
50V/0.01
C51
50V/0.01
C48
50V/0.01
+3.3V
U1
1
2
3
4
5
C31
50V/15p
C30
50V/18p
J9
J13
0
J10
0
J11
0
J12
0
TP157
TP
21
6
TP
25
3
TP303
TP159
TP352
TP
19
3
TP290
TP
25
4
TP164
TP286
TP183
TP313
TP293
TP132
TP295
TP166
TP
23
7
TP163
TP299
TP
20
5
TP176
TP
24
2
TP185
TP311
TP
26
2
TP280
TP177
TP
24
4
TP131
TP315
TP283
TP359
TP353
TP302
TP186
TP179
TP168
TP140
TP318
TP351
TP162
TP141
TP178
TP297
TP285
TP348
TP363
TP130
TP
23
0
TP156
TP
24
7
TP312
TP
20
3
TP349
TP
24
8
TP287
TP289
TP309
TP174
TP317
TP
24
1
TP358
TP350
TP304
TP282
TP139
TP158
TP
27
3
TP182
TP175
TP300
TP137
TP298
TP
20
0
TP301
TP228
TP
24
0
TP171
TP136
TP160
TP
20
6
TP281
TP170
TP361
TP142
TP188
TP144
TP
19
5
TP362
TP138
TP167
TP
23
8
TP316
TP291
TP284
TP288
TP310
TP169
TP180
TP296
TP314
TP
26
5
TP143
TP173
TP135
TP181
TP
24
5
TP
25
7
TP
24
6
TP
23
1
TP165
TP
27
5
TP
20
8
TP294
TP155
TP
184
TP292
TP
23
4
TP360
TP
19
8
TP
23
6
TP161
IC5
17
DG
IC5
8
4
IC5
62
IC5
3
5
+3.3V
C32
10V/0.1
TP133
+3.3V
DG
C52
10V/0.1
C53
10V/0.1
nIRQ1
TP
23
2
nCS2
nPOW_RST
nHALT
BELL_SYNC
LA
15
22
0
1
2
3
45
6
7
8
LA
14
22
0
1
2
3
45
6
7
8
LA
13
22
0
1
2
3
45
6
7
8
LA
12
22
0
1
2
3
45
6
7
8
LA
11
22
0
1
2
3
45
6
7
8
LA
10
22
0
1
2
3
45
6
7
8
nBREQ
+3.3V
nBACK
J22
0
16.384M
J24
0
+40V
C57
50V/0.01
+3.3V
TP172
+3.3V
+3.3V
J18
NC
TP
26
4
J27
NC
J26
NC
J23
NC
IP2
3.0A
IP1
3.5A
DG
P.G
TP
25
1
TP
25
2
TP
26
0
TP
26
1
TP356
TP322
C58
NC
TP187
TP
26
3
+3.3V
J6
0
J7
0
DIAG[0]
J25
0
C108
50V/0.01
C110
50V/0.01
C109
50V/0.01
C116
50V/0.01
C120
50V/0.01
DG
C118
50V/0.01
C125
50V/0.01
C127
50V/0.01
C122
50V/0.01
C126
50V/0.01
C115
50V/0.01
C124
50V/0.01
C117
50V/0.01
C119
50V/0.01
C128
50V/0.01
C123
50V/0.01
+3.3V
C114
50V/0.01
C121
50V/0.01
+3.3V
C155
50V/220p
C151
50V/220p
+3.3V
C156
50V/220p
C145
50V/220p
C158
50V/220p
C154
50V/220p
C147
50V/220p
C153
50V/220
p
C152
50V/220p
C148
50V/220p
C144
50V/220p
C146
50V/220p
C150
50V/220p
C157
50V/220p
DG
C149
50V/220p
+3.3V
+3.3V
C111
50V/0.01
C9
50V/0.1
C1
50V/0.1
TP320
C12
50V/0.1
J1
0
C3
50V/0.1
Q1
E
C
B
TP270
Q2
1
6
2
TP319
TP201
DG
P.G
TP218
DG
P.G
TP269
DG
P.G
TP268
TP267
C2
50V/1.0
DG
P.G
TP196
TP308
C4
50V/0.1
C11
NC
TP190
Q2
4
3
5
TP250
TP
27
7
TP
27
8
TP
27
6
nRST
DG
P.G
DG
P.G
+15VIN
C5
50V/1.0
+3.3V
R44
10K
R6
1K
R54
1k
R5
10k
R13
47K
R23
22k
R58
22
R51
2
2
R11
10K
R57
22
R2
0.68
R41
150
R4
5.6k
R53
2
20
R15
10K
R12
2.2K
R10
47K
R43
2.7K
R47
10K
R7
1K
R3
330
R461
K
R52
2
2
R45
220
R48
10K
R40
150
R55
22
R14
33K
R1
0.62
R42
1M
RA11
10K
1
2
3
4
5
6
7
8
6
7
8
RA23
NC
1
2
3
2
3
4
5
6
7
8
RA33
47
1
2
3
45
6
7
8
RA22
47
1
2
3
45
6
7
8
RA26
47
1
2
3
45
6
7
8
RA1
10K
1
2
3
45
6
7
8
RA9
10K
1
2
3
45
6
7
8
RA7
10K
1
2
3
45
6
7
8
RA31
10K
1
2
3
45
6
7
8
RA27
47
1
2
3
45
6
7
8
RA15 NC
1
2
3
4
5
6
7
8
7
8
RA2
10K
1
2
3
45
6
7
8
RA32
10K
1
2
3
4
5
6
7
8
RA6
10K
1
2
3
45
6
7
8
RA8
10K
1
2
3
4
5
6
7
8
6
7
8
RA25
47
1
2
3
45
6
7
8
RA13 10K
1
2
3
2
3
4
5
6
7
8
RA30
47
1
2
3
4
5
6
7
8
RA5
10K
1
2
3
45
6
7
8
RA14 100
1
2
3
4
2
3
4
5
6
7
8
RA28
47
1
2
3
45
6
7
8
RA3
10K
1
2
3
45
6
7
8
RA29
47
1
2
3
45
6
7
8
RA4
10K
1
2
3
45
6
7
8
IC3
eSAMSON2
3
PL
LG
ND
4
PL
LC
LK
5
VD
D5
39
LA
[1
2]
40
LA
[1
1]
41
LA
[1
0]
42
LA
[9
]
43
LA
[8
]
45
LA
[7
]
46
LA
[6
]
47
LA
[5
]
48
LA
[4
]
49
LA
[3
]
50
LA
[2
]
51
LA
[1
]
52
LA
[0
]
107
TCK
108
TDI
109
TDO
110
TRST
111
TMS
12
1
LUHW[0]
12
2
LDHW[0]
12
3
HW_CLK[0]
12
4
HW_CLK[1]
12
5
HW_FH
12
6
L_NETREF
12
7
LDHW[1]
12
8
LUHW[1]
12
9
SHW_CLK
13
0
SHW_FH
151
P1[0]
152
P1[1]
153
P1[2]
154
P1[3]
155
P1[4]
156
P1[5]
157
P1[6]
158
P1[7
]
161
P2[0]
162
P2[1]
163
P2[2]
164
P2[3]
165
P2[4]
166
P2[5]
167
P2[6]
168
P2[7]
170
P3[0]
171
P3[1]
172
P3[2]
173
P3[3]
174
P3[4]
175
P3[5]
176
P3[6]
177
P3[7]
1
GN
D1
2
VD
D2
6
PL
LA
T1
7
IR
Q[
1]
8
IR
Q[
0]
9
CS
[1
]
10
CS
[0
]
11
GN
D1
1
12
LD
[7
]
13
LD
[6
]
14
LD
[5
]
15
LD
[4
]
16
LD
[3
]
17
LD
[2
]
18
LD
[1
]
19
LD
[0
]
20
VD
D2
0
21
GN
D2
1
22
AL
E
23
CS
_D
MA
24
CS
_S
AM
25
CS
I
26
RD
27
WR
28
L_
NR
ST
29
GN
D2
9
30
WA
IT
31
RE
SE
T
32
BR
EQ
33
BA
CK
34
BG
AK
35
GN
D3
5
36
VD
D3
6
37
SB
RE
Q
38
SB
AC
K
44
GN
D4
4
53
VD
D5
3
54
RINGER
55
CT_FRAME_A
56
CT_C8_A
57
CT_NETREF
58
GN
D5
8
59
CT_D[7]
60
CT_D[6]
61
CT_D[5]
62
CT_D[4]
63
VD
D6
3
64
GN
D6
4
65
CT_D[3]
66
CT_D[2]
67
CT_D[1]
68
CT_D[0]
69
GN
D6
9
70
EC_DET
71
EC_INT
72
EC_AD[15]
73
EC_AD[14]
74
EC_AD[13]
75
EC_AD[12]
76
GN
D7
6
77
VD
D7
7
78
EC_AD[11]
79
EC_AD[10]
80
EC_AD[9]
81
EC_AD[8]
82
GN
D8
2
83
EC_AD[7]
84
EC_AD[6]
85
EC_AD[5]
86
EC_AD[4]
87
VD
D8
7
88
GN
D8
8
89
EC_AD[3]
90
EC_AD[2]
91
EC_AD[1]
92
EC_AD[0]
93
GN
D9
3
94
EC_NRST
95
EC_IDSEL
96
EC_BE[1]
97
EC_BE[0]
98
GN
D9
8
99
EC_PAR
100
EC_FRAME
101
EC_PERR
102
EC_TRDY
103
EC_STOP
10
4
GN
D1
04
105
EC_CLK
10
6
VD
D1
06
11
2
GN
D1
12
113
MODE[5]
114
MODE[4]
115
MODE[3]
116
MODE[2]
117
MODE[1]
118
MODE[0]
11
9
GN
D1
19
12
0
VD
D1
20
13
1
GN
D1
31
13
2
VD
D1
32
13
3
C_
CS
[3
]
13
4
C_
CS
[2
]
13
5
C_
CS
[1
]
13
6
C_
CS
[0
]
13
7
DC
LK
13
8
DO
UT
13
9
DI
N
14
0
CP
[0
]
14
1
GN
D1
41
142
P0[0]
143
P0[1]
144
P0[2]
145
P0[3]
146
P0[4]
147
P0[5]
148
P0[6]
149
P0[7]
15
0
GN
D1
50
15
9
VD
D1
59
16
0
GN
D1
60
169
TEST0
17
8
VD
D1
78
17
9
GN
D1
79
18
0
AV
DD
18
0
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]
19
1
AV
DD
19
1
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]
+15V
TP321
+40V
CN1
A1
+15VPTA1
B1
+15VPTB1
A2
+40V
B2
+15V
A3
POWER_GNDA3
B3
POWER_GNDB3
A4
EC_CLK
B4
EC_nSTOP
A5
GNDA5
B5
GNDB5
A6
EC_nTRDY
B6
EC_nPERR
A7
EC_nFRAM
B7
EC_PAR
A8
EC_nCBE[0]
B8
EC_nCBE[1]
A9
EC_IDSEL
B9
EC_nRST
A10
GNDA10
B10
GNDB10
A11
EC_AD[0]
B11
EC_AD[1]
A12
EC_AD[2]
B12
EC_AD[3]
A13
EC_AD[4]
B13
EC_AD[5]
A14
GNDA14
B14
GNDB14
A15
EC_AD[6]
B15
EC_AD[7]
A16
EC_AD[8]
B16
EC_AD[9]
A17
EC_AD[10]
B17
EC_AD[11]
A1
8
GNDA18
B18
ReservedB18
A19
EC_AD[12]
EC_AD[13]
B19
A20
EC_AD[14]
B20
EC_AD[15]
A21
EC_nINT
B21
EC_nCDET
A22
GNDA22
B22
ReservedB22
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
DG
A[0-12]
D[0-15]
+3.3V
TP279
IC6
Reset IC
2.9V Open Drain
1
OUT
2
VDD
3
GND
4
NC
5
CD
C54
10V/0.1
DG
J14
NC
nWAIT
nCS1
nRD
nWR
TP
26
6
TP
27
1
TP
27
4
C55
0.022
DG
TP229
TP148
TP147
TP154
TP151
TP152
TP153
TP149
TP150
+3.3V
TP146
TP145
Q3
1
S1
2
S2
3
S3
4
G
5
D1
6
D2
7
D3
8
D4
DA1
1
2
3
D1
3.6V
D3
6.2V
D7
5.1V
IC100
A
2
L
P1
B
2
L
P2
C
2
L
P3
D
2
L
P4
5
VCCIO35
6
D
N
G6
A
3
L
P7
B
3
L
P8
C
3
L
P9
D
3
L
P0
1
11
VCCIO311
A
5
L
P2
1
B
5
L
P3
1
C
5
L
P4
1
D
5
L
P5
1
A
6
L
P6
1
B
6
L
P7
1
C
6
L
P8
1
D
6
L
P9
1
A
7
L
P0
2
B
7
L
P1
2
22
GND22
23
VCCIO323
C
7
L
P4
2
D
7
L
P5
2
26
VC
CI
O2
26
A
4
B
P
7
2
B
4
B
P
8
2
C
4
B
P
9
2
D
4
B
P
0
3
A
6
B
P
1
3
B
6
B
P
2
3
33
33
GN
D3
3
C
6
B
P
4
3
D
6
B
P
5
3
36
36
PB
10
A
37
PB
10
B
38
PB
10
C
39
PB
10
D
40
PB
12
A
41
PB
12
B
42
PB
12
C
43
PB
12
D
44
GN
D4
4
45
PB
14
A
46
VC
CI
O2
46
47
PB
14
B
48
PB
14
C
49
PB
14
D
50
VC
C5
0
51
PR7D
52
PR7C
53
PR7B
54
PR7A
55
VCCIO155
56
GND56
57
PR6D
58
PR6C
59
PR6B
60
PR6A
61
NC61
62
PR5D
63
PR5C
64
PR5B
65
PR5A
66
PR3D
67
PR3C
68
PR3B
69
PR3A
70
PR2D
71
PR2C
72
GND72
73
VCCIO173
74
PR2B
7
5
PR2A
76
PT
11
D
77
PT
11
C
78
PT
11
A
79
GN
D7
9
80
VC
CI
O0
80
81
PT
10
D
82
PT
10
C
83
PT
10
B
84
PT
10
A
85
PT
9D
86
PT
9C
87
PT
9B
88
PT
9A
89
NC
89
90
PT
7D
91
PT
7C
92
GN
D9
2
93
VC
CI
O0
93
94
PT
7B
95
PT
7A
96
PT
6D
97
PT
6C
98
PT
6B
99
PT
6A
10
0
VC
C1
00
TH1
C107
50V/0.01
DG
CN101
NC
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
0
1
0
1
nRD
nFPGA_INT
nCS3
nWR
RA10
10K
1
2
3
4
5
6
7
8
6
7
8
X101
30MHz
NC
IC101
NC
62
DG
R61
220
NC
C60
50V/18p
NC
C61
50V/18p
NC
IC101
NC
17
R59
2.7K
NC
R60
1M
NC
DG
C102
50V/0.01
C106
50V/0.01
C105
50V/0.01
C104
50V/0.01
C101
50V/0.01
C103
50V/0.01
+3.3V
R136
N
C
J47
NC
nCDC_INT11
R119
0
nC_CS10
R118
0
nCDC_INT10
nC_CS11
nC_CS9
nCDC_INT8
R116
0
nCDC_INT9
R117
0
nC_CS8
R152
4.7K
R21
56k
J8
DG
R134
NC
DG
R132
NC
DG
R131
NC
DG
R130
NC
R62
1K
R63
1K
C
N1
W
S
19
21
0
31
1
41
2
51
3
61
4
71
5
81
6
R138
2.2K
R139
2.2K
+3.3V
+3.3V
+3.3V
DG
R151
4.7K
+3.3V
R150
33
SYSCLK30
L1
CLK
DHW
UHW
J616
FH
R140
NC
DG
TP233
R104
0
R322
0
IC101
NC
3
5
TP134
DG
C62
10V/0.1
NC
+3.3V
IC101
NC
8
4
D104
12
D105
21
+3.3V
PF_RLY
DETPD_15V
PF_RLY
PR_SET
Q5
S
D
G
R173
10K
R172
10K
Q101
E
C
B
Q102
E
C
B
DA2
3
2
1
DA3
3
2
1
R170
10K
Q104
E
C
B
DG
PR_SET
R168
10K
DG
DG
DG
Q105
E
C
B
R171
10K
+15VIN
R165
100K
R162
2.7K
Q103
E
C
B
+3.3V
D167
TP222
DOUT[2]
R114
0
DG
R111
0
+3.3V
R110
0
DCLK[1]
R112
0
nC_CS2
nC_CS7
DG
+3.3V
DCLK[2]
nCDC_INT7
DIN[1]
nC_CS5
nCDC_INT5
DIN[2]
R115
0
R127
4.7k
R113
0
nC_CS6
nC_CS3
nCDC_INT6
nCDC_INT3
nC_CS4
R129
NC
DOUT[1]
nCDC_INT4
nCDC_INT2
DG
DOUT[0]
R123
4.7K
+3.3V
nCDC_INT0
R106
33
+3.3V
R109
0
+3.3V
+3.3V
R105
4.7k
R124
0
R108
0
R137
2.2K
DIN[0]
CK
nC_CS1
nC_CS0
nCDC_INT1
R135
2.2K
DCLK[0]
DG
Q106
NC
E
C
B
R169
10K
NC
DETPD_15V
Q6NC
1
2
3
4
5
6
DG
P.G
TP213
L2
D6
TP223
TP212
R121
33
R126
33
R107
47
R125
47
R120
47
TP243
TP255
R166
330
R164
330
R160
270
R161
270
nSIRST
R122
4.7k
R133
4.7K
R141
NC
DG
R174
0
CLK
RL200D
2
11
RL200B
2
11
RL200E
NC
2
11
RL200C
2
11
RL200A
2
11
C10
16V/470uF
C8
35V/100uF
C7
35V/100uF
LED1
12
34
C14
16V/1uF
+3.3V
+3.3V
C15
2700p
DG
P.G
R22
56
R24
62K +/-0.5%
R25
27K +/-0.5%
IC1
1
CE
2
GND
3
VFB
4
EXT
5
VIN
D5
5.1V
R20
10
R26
NC
GREEN
RED
TDA6178 TDA1178
J22 0
N
C <<
J23 NC
NC
J24 0
N
C <<
J25 0
0
J26 NC
0 >>
J27 NC
0 >>
"(
AE1
"*
AP1
Click on the first or last page to see other KX-TDA6178X / KX-TDA6178XJ (serv.man10) service manuals if exist.