Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man10) Service Manual / Supplement ▷ View online
ORDER NO. KMS1805292SE
24-Port Single Line Telephone Extension Card with Cer ID
Model No.
KX-TDA6178X
KX-TDA6178XJ
KX-TDA6178XJ
(for Europe, Asia Oceania, Middle Near East, Latin
America, Russia and Africa)
America, Russia and Africa)
Supplement-10
Please file and use this supplement manual together with the service manual for Model No. KX-TDA6178X/
KX-TDA6178XJ Order No. KMS0803476CE.
KX-TDA6178XJ Order No. KMS0803476CE.
C303X
C304V
C304W
C304X
C305W
C305X
VBATv
VBATw
VBATx
R303U
R303W
C308V
C308W
C308X
R306V
R306W
R306X
309V
C309X
R307W
R307X
R308V
R308W
R308X
R309W
R309X
X
0
1
3
C
R313W
R313X
R314V
R314W
R314X
R315V
R315W
R315X
7V
R317X
R318V
R318W
R318X
_DCDC_V
R319W
+40V_DCDC_W
R319X
+40V_DCDC_X
R262E
R263E
C321V
C321W
C321X
C302V
C302W
C302X
C303W
PNLB2110ZB-WK
PbF
When servicing, you must confirm which service manual should be referred by the following methods.
Refer to “PNLB2110ZB”
Compatibility
Parts
Set Production
Original
New
Early (before change)
Late (after change)
MOTHER Board Ass'y
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
Use original parts until exhausted, then stock new parts.
Single Parts
Original parts may be used in early production sets only.
New parts may be used in late production sets only. Stock both original
and new parts.
New parts may be used in late production sets only. Stock both original
and new parts.
Original
New
Early (before change)
Late (after change)
Model No.
KX-TDA6178X
Suffix
K
L
KX-TDA6178X-EU
K
L
KX-TDA6178XJ
M
N
KX-TDA6178XJ-SX
N
O
2
KX-TDA6178X/KX-TDA6178XJ
TABLE OF CONTENTS
PAGE
1 Schematic Diagram------------------------------------------- ---3
1.1. No.1-------------------------------------------------------- ---3
1.2. No.2-------------------------------------------------------- ---4
1.3. No.3-------------------------------------------------------- ---5
1.4. No.4-------------------------------------------------------- ---6
1.5. No.5-------------------------------------------------------- ---7
1.2. No.2-------------------------------------------------------- ---4
1.3. No.3-------------------------------------------------------- ---5
1.4. No.4-------------------------------------------------------- ---6
1.5. No.5-------------------------------------------------------- ---7
2 Printed Circuit Board ---------------------------------------- ---8
2.1. Component View --------------------------------------- ---8
2.2. Bottom View --------------------------------------------- ---9
2.2. Bottom View --------------------------------------------- ---9
3 Exploded View and Replacement Parts List --------- - 10
3.1. Main Board parts --------------------------------------- - 10
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
4
KX-TDA6178X/KX-TDA6178XJ
1.2.
No.2
KX-TDA6178X/XJ No.2
+-
D
F
E
C
B
A
H
G
4
7
6
5
3
2
8
11
10
9
DIAG[0]
TA
RA
RB
TB
TC
RC
RD
TD
TF
RF
TG
RG
RH
TH
RE
TE
DG
D251A
12
TP551A
+15VIN
RL201A
18
Q251A
E
C
B
J250
0
FG
DG
J251
0
DIAG[0]
R251A
TP550A
R250A
47K
NC
DG
DG
CLK
FH
UHW
DHW
nC_CS0
DIN[0]
DCLK[0]
DOUT[0]
DG
nSIRST
+3.3V
DG
nCDC_INT0
+3.3V
+3.3V
DG
C316A
10V/0.1uF
DG
C300A
10V/0.1uF
C301A
10V/0.1uF
C301B
10V/0.1uF
C313A
10V/0.1uF
C317A
10V/0.1uF
DG
CN201
2
DIAG_T
RL201A
6
7
5
CN201
3
DIAG_R
RL201A
3
2
4
D300A
D300B
C313B
10V/0.1uF
DG
C302A
250V/0.01uF
C303A
250V/0.01uF
C302B
250V/0.01uF
C303B
250V/0.01uF
C318A
6.3V/10uF
R300A
523KF
DG
C308B
250V/0.22uF
C309B
250V/0.1uF
L301B
100uH
C310B
250V/0.22uF
D301B
1
2
+40V
L300B
100uH
R303A
49.9kF
R316B
68k
R314B
0.62F
R315B
0.62F
DG
DG
+3.3V
C301C
10V/0.1uF
C300C
10V/0.1uF
DOUT[0]
D301C
1
2
C310D
250V/0.22uF
R316D
68k
nC_CS1
nCDC_INT1
FH
R316C
68k
DG
L300C
100uH
L301D
100uH
C303C
250V/0.01uF
L301C
100uH
DG
DG
R314D
0.62F
C302C
250V/0.01uF
C313D
10V/0.1uF
C309D
250V/0.1uF
DIN[0]
+40V
C303D
250V/0.01uF
UHW
R303D
49.9kF
R315D
0.62F
R314C
0.62F
C308D
250V/0.22uF
+40V
C310C
250V/0.22uF
DG
DG
R315C
0.62F
D300D
DG
R304C
10K
C302D
250V/0.01uF
R300C
523KF
nSIRST
C309C
250V/0.1uF
D301D
1
2
D300C
DCLK[0]
DG
C308C
250V/0.22uF
C313C
10V/0.1uF
DHW
DG
L300D
100uH
CLK
C301D
10V/0.1uF
DOUT[0]
C301F
10V/0.1uF
nC_CS2
L301F
100uH
C300E
10V/0.1uF
R304E
10K
DG
R300E
523KF
L300E
100uH
D301F
1
2
C310E
250V/0.22uF
C302F
250V/0.01uF
DG
D301E
1
2
UHW
C309E
250V/0.1uF
R314F
0.62F
DG
C309F
250V/0.1uF
C303F
250V/0.01uF
R316E
68k
C313F
10V/0.1uF
nCDC_INT2
+3.3V
C301E
10V/0.1uF
C302E
250V/0.01uF
DG
L301E
100uH
DG
DG
R314E
0.62F
nSIRST
C303E
250V/0.01uF
+40V
R303E
49.9kF
DIN[0]
C308F
250V/0.22uF
C310F
250V/0.22uF
R315F
0.62F
FH
DHW
C313E
10V/0.1uF
D300E
DG
DG
R315E
0.62F
C308E
250V/0.22uF
CLK
L300F
100uH
D300F
+40V
DCLK[0]
R316F
68k
C310G
250V/0.22uF
R315G
0.62F
+40V
+40V
DG
R315H
0.62F
D300H
D301H
1
2
R314G
0.62F
C308H
250V/0.22uF
FH
C301G
10V/0.1uF
DG
nC_CS3
nSIRST
DG
D300G
C302G
250V/0.01uF
DCLK[0]
DG
CLK
R300G
523KF
C308G
250V/0.22uF
R303G
49.9kF
DG
C310H
250V/0.22uF
R304G
10K
L301G
100uH
+3.3V
DHW
UHW
C301H
10V/0.1uF
R316H
68k
DG
C303G
250V/0.01uF
DOUT[0]
D301G
1
2
C300G
10V/0.1uF
R314H
0.62F
L300G
100uH
DG
C313G
10V/0.1uF
R316G
68k
DIN[0]
C309G
250V/0.1uF
C302H
2
50V/0.01uF
DG
C303H
2
50V/0.01uF
nCDC_INT3
C313H
10V/0.1uF
L301H
100uH
L300H
100uH
C309H
250V/0.1uF
CN201
4
CN201
1
CN202
2
CN202
3
CN202
4
CN202
1
R320A
0
R320C
0
R320E
0
R320G
0
VBATa
VBATb
VBATc
VBATd
VBATe
VBATf
VBATg
VBATh
J300A
NC
DG
DG
J300C
NC
DG
DG
DG
DG
J300E
NC
DG
J300G
NC
DG
+40V
+40V
+40V
+40V
R310A
1.65MF
J301A
+3.3V
+3.3V
DG
C317C
10V/0.1uF
+3.3V
C317G
10V/0.1uF
+3.3V
DG
DG
C317E
10V/0.1uF
+3.3V
+3.3V
R310B
1.65MF
R310C
1.65MF
R310D
1.65MF
R310H
1.65MF
R310G
1.65MF
R310F
1.65MF
R310E
1.65MF
R304A
10K
DG
C316C
10V/0.1uF
C316E
10V/0.1uF
DG
C318E
6.3V/10uF
DG
C318G
6.3V/10uF
C316G
10V/0.1uF
DG
DG
DG
C320A
NC
DG
R308A
681kF
R309A
681kF
R308B
681kF
R309B
681kF
R308C
681kF
R309C
681kF
R308D
681kF
R309D
681kF
R308E
681kF
R309E
681kF
R308F
6
81kF
R309F
6
81kF
R308G
6
81kF
R309G
6
81kF
R308H
681kF
R309H
681kF
C304C
250V/0.022uF
C305C
250V/0.022uF
D305C
115
135V
D304C
115
135V
FG
D305F
115
135V
DG
C304F
250V/0.022uF
C305F
250V/0.022uF
FG
D304F
115
135V
D305D
115
135V
D304D
115
135V
DG
C304D
250V/0.022uF
C305D
250V/0.022uF
FG
D305E
115
135V
D304E
115
135V
DG
C304E
250V/0.022uF
C305E
250V/0.022uF
FG
C304A
250V/0.022uF
DG
FG
C305A
250V/0.022uF
D304B
115
135V
C305B
250V/0.022uF
DG
C304B
250V/0.022uF
FG
D305B
115
135V
D304G
115
135V
FG
DG
D305G
115
135V
C304G
250V/0.022uF
C305G
250V/0.022uF
C305H
250V/0.022uF
D305H
115
135V
C304H
250V/0.022uF
DG
D304H
115
135V
FG
C310A
250V/0.22uF
R315A
0.62F
3216
R316A
68k
C309A
250V/0.1uF
L300A
100uH
DG
DG
R314A
0.62F
3216
D301A
1
2
C308A
250V/0.22uF
L301A
100uH
+40V
DG
DG
C320C
NC
DG
C320G
NC
DG
C320E
NC
J699
Q301B
NC
S
D
G
Q301A
NC
S
D
G
Q301C
NC
S
D
G
Q301D
NC
S
D
G
Q301E
NC
S
D
G
Q301F
NC
S
D
G
Q301G
NC
S
D
G
Q301H
NC
S
D
G
C312A
250V/0.1uF
C312B
250V/0.1uF
C312C
250V/0.1uF
C312D
250V/0.1uF
C312G
250V/0.1uF
C312H
250V/0.1uF
C312E
250V/0.1uF
C312F
250V/0.1uF
CN200
26
1
CN200
27
2
CN200
28
3
CN200
29
4
CN200
30
5
CN200
31
6
CN200
32
7
CN200
33
8
C307A
63V/15uF
C307C
63V/15uF
C307G
63V/15uF
C307E
63V/15uF
R321E
5
6
R321G
5
6
R321C
5
6
R321A
5
6
R319H
51
0.5W
R319D
51
0.5W
R318H
51
0.5W
R318B
51
0.5W
R319C
51
0.5W
R318C
51
0.5W
R318D
51
0.5W
R319B
51
0.5W
R313A
0
R313B
0
R313C
0
R313D
0
R313E
0
R313F
0
R313G
0
R313H
0
C318C
6.3V/10uF
R319G
51
0.5W
R318G
51
0.5W
R318E
51
0.5W
R319E
51
0.5W
R318F
51
0.5W
R319F
51
0.5W
R306G
1
kF
R306E
1
kF
R306D
1
kF
R306A
1kF
R306C
1kF
R306B
1kF
R306F
1
kF
R306H
1
kF
R307F
1
kF
R307G
1
kF
R307D
1kF
R307A
1kF
R307E
1
kF
R307H
1
kF
R307B
1kF
R307C
1kF
RL200E
NC
4
3
5
RL200C
9
10
8
RL200B
9
10
8
RL200E
NC
9
10
8
RL200B
4
3
5
RL200D
4
3
5
RL200C
4
3
5
RL200D
9
10
8
RL200A
9
10
8
RL200A
4
3
5
R317F
15
3225
R317G
15
3225
R317A
15
3225
R317H
15
3225
R317B
15
3225
R317C
15
3225
R317D
15
3225
R317E
15
3225
R260A
0
3225
NC
R261A
0
3225
NC
R263B
NC
3225
R262B
NC
3225
R262C
0
NC
3225
R262D
0
NC
3225
R263D
0
NC
3225
R263C
0
NC
3225
R263E
0
3225
R262E
0
3225
IC300C
TIPA
47
SRINGDCA
3
SRINGACA
4
STIPACA
5
STIPDCA
6
CAPPA
7
CAPMA
8
SVBATA
9
SVDC
10
*RST
11
INTB/DTXENB
12
FSYNC
13
PCLK
14
DTX
15
DRX
16
SDCHA
17
SDCLA
18
DCDRVA
19
DCFFA
20
DCFFB
21
DCDRVB
22
SDCLB
23
SDCHB
24
VDDD
25
VDDREG
26
*CS
27
SCLK
28
SDO
29
SDI
30
SVBATB
31
CAPMB
32
CAPPB
33
IREF
34
STIPDCB
35
STIPACB
36
SRINGACB
37
SRINGDCB
38
VDDA
41
TIPB
42
RINGB
43
VBATB
44
VBATA
45
RINGA
46
HVPAD
48
GNDPAD
49
GPIO1A/STIPCA
2
GPIO2A/SRINGC
A
1
GPIO1B/STIPCB
39
GPIO2B/SRINGCB
40
IC300E
TIPA
47
SRINGDCA
3
SRINGACA
4
STIPACA
5
STIPDCA
6
CAPPA
7
CAPMA
8
SVBATA
9
SVDC
10
*RST
11
INTB/DTXENB
12
FSYNC
13
PCLK
14
DTX
15
DRX
16
SDCHA
17
SDCLA
18
DCDRVA
19
DCFFA
20
DCFFB
21
DCDRVB
22
SDCLB
23
SDCHB
24
VDDD
25
VDDREG
26
*CS
27
SCLK
28
SDO
29
SDI
30
SVBATB
31
CAPMB
32
CAPPB
33
IREF
34
STIPDCB
35
STIPACB
36
SRINGACB
37
SRINGDCB
38
VDDA
41
TIPB
42
RINGB
43
VBATB
44
VBATA
45
RINGA
46
HVPAD
48
GNDPAD
49
GPIO1A/STIPCA
2
GPIO2A/SRINGCA
1
GPIO1B/STIPCB
39
GPIO2B/SRINGCB
40
IC300G
TIPA
47
SRINGDCA
3
SRINGACA
4
STIPACA
5
STIPDCA
6
CAPPA
7
CAPMA
8
SVBATA
9
SVDC
10
*RST
11
INTB/DTXENB
12
FSYNC
13
PCLK
14
DTX
15
DRX
16
SDCHA
17
SDCLA
18
DCDRVA
19
DCFFA
20
DCFFB
21
DCDRVB
22
SDCLB
23
SDCHB
24
VDDD
25
VDDREG
26
*CS
27
SCLK
28
SDO
29
SDI
30
SVBATB
31
CAPMB
32
CAPPB
33
IREF
34
STIPDCB
35
STIPACB
36
SRINGACB
37
SRINGDCB
38
VDDA
41
TIPB
42
RINGB
43
VBATB
44
VBATA
45
RINGA
46
HVPAD
48
GNDPAD
49
GPIO1A/STIPCA
2
GPIO2A/SRINGCA
1
GPIO1B/STIPCB
39
GPIO2B/SRINGCB
40
Q300B
1
2
3
4
5
6
7
8
Q300A
1
2
3
4
5
6
7
8
Q300C
1
2
3
4
5
6
7
8
Q300D
1
2
3
4
5
6
7
8
Q300E
1
2
3
4
5
6
7
8
Q300F
1
2
3
4
5
6
7
8
Q300G
1
2
3
4
5
6
7
8
Q300H
1
2
3
4
5
6
7
8
R318A
51
0.5W
R319A
51
0.5W
D304A
115
135V
D305A
115
135V
C321A
0.01uF
C321B
0.01uF
C321C
0.01uF
C321D
0.01uF
C321E
0.01uF
C321F
0.01uF
C321G
0.01uF
C321H
0.01uF
IC300A
TIPA
47
SRINGDCA
3
SRINGACA
4
STIPACA
5
STIPDCA
6
CAPPA
7
CAPMA
8
SVBATA
9
SVDC
10
*RST
11
INTB/DTXENB
12
FSYNC
13
PCLK
14
DTX
15
DRX
16
SDCHA
17
SDCLA
18
DCDRVA
19
DCFFA
20
DCFFB
21
DCDRVB
22
SDCLB
23
SDCHB
24
VDDD
25
VDDREG
26
*CS
27
SCLK
28
SDO
29
SDI
30
SVBATB
31
CAPMB
32
CAPPB
33
IREF
34
STIPDCB
35
STIPACB
36
SRINGACB
37
SRINGDCB
38
VDDA
41
TIPB
42
RINGB
43
VBATB
44
VBATA
45
RINGA
46
HVPAD
48
GNDPAD
49
GPIO1A/STIPCA
2
GPIO2A/SRINGCA
1
GPIO1B/STIPCB
39
GPIO2B/SRINGCB
40
A
B
PCM BUS
SPI BUS
m
bm
b
bm
mb
SDCH
SDCL
DCDRV
DCDRV
PCM BUS
SDCH
SPI BUS
SDCL
DCDRV
C
D
SDCH
SDCL
SDCH
DCDRV
PCM BUS
SDCH
SDCL
SPI BUS
F
SDCL
DCDRV
E
SPI BUS
H
SDCH
SDCL
PCM BUS
DCDRV
SDCH
G
SDCL
DCDRV
m
b
b
m
m
b
b
m
b
m
m
m
m
b
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
SDCL
SDCH
DCDRV
b
b
m
m
m
NC
